ADS7844EG4

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Texas Instruments ADS7844EG4

Part Number:

ADS7844EG4

Manufacturer:

Texas Instruments

Ventron No:

3011386-ADS7844EG4

Description:

IC 12BIT 8-CHANNEL ADC 20-QSOP

ECAD Model:

Datasheet:

ADS7844EG4

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Delivery:

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Part Overview

Description
The ADS7844 is an 8-channel, 12-bit sampling analog-to-digital converter (ADC) with a synchronous serial interface. It operates on a single supply voltage ranging from 2.7V to 5V. The reference voltage (VREP) can be adjusted between 100mV and Vee-, providing a corresponding input voltage range of 0V to VREP. The device features a shutdown mode that reduces power dissipation to under 1µW. The ADS7844 is available in a 20-lead QSOP package and a 20-lead SSOP package, and is specified for operation over the -40°C to 85°C temperature range.

Features
Single supply operation: 2.7V to 5V
8-channel single-ended or 4-channel differential input
Up to 200kHz conversion rate
±1 LSB maximum INL and DNL
No missing codes
72dB SINAD
Serial interface
20-lead QSOP and 20-lead SSOP packages
Alternate source for MAX147

Applications
Data acquisition
Test and measurement
Industrial process control
Personal digital assistants
Battery-powered systems

Specifications

Texas Instruments ADS7844EG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments ADS7844EG4.

  • Factory Lead Time
    6 Weeks
  • Lifecycle Status
    ACTIVE (Last Updated: 3 days ago)
  • Contact Plating
    Gold
  • Mounting Type

    Mounting Type refers to the method by which an electronic component is attached to a printed circuit board (PCB) or other surface. Common mounting types include: * Through-hole: Component leads are inserted into holes in the PCB and soldered on the other side. * Surface-mount: Component is placed on the surface of the PCB and soldered in place. * Press-fit: Component is pressed into place on the PCB without soldering. * Socket: Component is inserted into a socket on the PCB, allowing for easy replacement. The mounting type is determined by factors such as the component's size, shape, and power requirements.

    Surface Mount
  • Package / Case

    Package / Case refers to the physical housing or enclosure that encapsulates an electronic component. It provides protection, facilitates handling, and enables electrical connections. The package type determines the component's size, shape, pin configuration, and mounting options. Common package types include DIP (dual in-line package), SOIC (small outline integrated circuit), and BGA (ball grid array). The package also influences the component's thermal and electrical performance.

    20-SSOP (0.154, 3.90mm Width)
  • Surface Mount
    YES
  • Number of Pins

    Number of Pins: Indicates the number of electrical connections available on the component. These pins are used to connect the component to other components or circuits on a printed circuit board (PCB). The number of pins determines the functionality and connectivity options of the component. It is important to ensure that the component has the correct number of pins for the intended application.

    20
  • Operating Temperature

    Operating Temperature is the range of temperatures at which an electronic component can function properly. It is typically specified in degrees Celsius (°C) and indicates the minimum and maximum temperatures at which the component can operate without experiencing damage or degradation. Operating Temperature is an important parameter to consider when designing electronic circuits, as it ensures that the components will function reliably in the intended operating environment.

    -40°C~85°C
  • Packaging
    Tube
  • JESD-609 Code
    e4
  • Pbfree Code
    yes
  • Part Status

    Part Status is an electronic component parameter that indicates the availability and production status of a component. It is typically used to inform customers about the availability of a component, whether it is in production, end-of-life, or obsolete. Part Status can also provide information about any restrictions or limitations on the component's use, such as whether it is only available for certain applications or if it has been discontinued.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a measure of the susceptibility of a surface mount electronic component to moisture-induced damage during soldering. It is classified into six levels, from 1 (least sensitive) to 6 (most sensitive). MSL is determined by the materials used in the component's construction, including the solderability of its terminals and the presence of moisture-absorbing materials. Components with higher MSL ratings require more stringent handling and storage conditions to prevent moisture absorption and subsequent damage during soldering.

    2 (1 Year)
  • Number of Terminations
    20
  • ECCN Code
    EAR99
  • Subcategory
    Analog to Digital Converters
  • Max Power Dissipation
    4.5mW
  • Technology

    Technology, in the context of electronic components, refers to the specific manufacturing process and materials used to create the component. It encompasses the semiconductor fabrication techniques, such as the type of transistor used (e.g., MOSFET, BJT), the gate oxide thickness, and the interconnect materials. Technology also includes the packaging type, such as surface mount or through-hole, and the leadframe or substrate material. The technology used impacts the component's performance characteristics, such as speed, power consumption, and reliability.

    CMOS
  • Terminal Position
    DUAL
  • Terminal Form
    GULL WING
  • Peak Reflow Temperature (Cel)
    260
  • Number of Functions
    1
  • Supply Voltage

    Supply Voltage is the voltage required to power an electronic component. It is typically measured in volts (V) and is specified in the component's datasheet. The supply voltage must be within the specified range for the component to function properly. If the supply voltage is too low, the component may not function at all. If the supply voltage is too high, the component may be damaged.

    2.7V
  • Terminal Pitch
    0.635mm
  • Base Part Number
    ADS7844
  • Pin Count
    20
  • Operating Supply Voltage
    5V
  • Number of Elements
    1
  • Polarity

    Polarity refers to the direction of current flow through an electronic component. It is typically indicated by a plus (+) or minus (-) sign on the component's body. Components with polarity must be connected correctly in a circuit to function properly. For example, a diode will only allow current to flow in one direction, from the positive terminal to the negative terminal. If a diode is connected backwards, it will not conduct current.

    Unipolar
  • Configuration
    MUX-S/H-ADC
  • Interface

    In electronics, an interface refers to the connection point or boundary between two or more electronic systems or devices. It defines the physical, electrical, and logical characteristics that enable communication and data exchange between them. An interface specifies the protocols, pinouts, voltage levels, data formats, and other parameters necessary for the systems to interact seamlessly. It ensures compatibility and interoperability between different components or devices, allowing them to exchange information and perform their intended functions.

    Serial
  • Max Supply Voltage
    5.25V
  • Min Supply Voltage
    2.7V
  • Nominal Supply Current
    550μA
  • Power Dissipation

    Power Dissipation is the maximum amount of power that an electronic component can safely dissipate without being damaged. It is typically measured in watts (W) and is determined by the component's physical size, material properties, and design. Exceeding the power dissipation rating can lead to overheating, reduced performance, and even component failure.

    4.5mW
  • Number of Bits
    12
  • Input Type

    Input Type refers to the type of signal that an electronic component can accept as input.

    Differential, Single Ended
  • Architecture

    Architecture refers to the internal design and organization of an electronic component. It encompasses the arrangement of functional blocks, their interconnections, and the overall data flow within the component. The architecture determines the component's performance characteristics, such as speed, power consumption, and functionality. It also influences the component's size, cost, and reliability.

    SAR
  • Number of Inputs

    The number of inputs of an electronic component refers to the number of separate signals or data streams that the component can receive and process simultaneously. It indicates the maximum number of external connections that can be made to the component to provide input signals. This parameter is crucial for determining the functionality and connectivity of the component within a circuit or system.

    4, 8
  • Converter Type

    Converter Type refers to the type of conversion performed by an electronic component, such as an analog-to-digital converter (ADC) or a digital-to-analog converter (DAC). It specifies the input and output signal types that the converter can handle.

    ADC, SUCCESSIVE APPROXIMATION
  • Supply Type
    Single
  • Reference Type

    Reference type is a parameter that specifies the type of reference used in an electronic component. It can be either a voltage reference or a current reference. A voltage reference provides a stable voltage output, while a current reference provides a stable current output. The type of reference used depends on the application. For example, a voltage reference is used in a voltage regulator to provide a stable voltage output, while a current reference is used in a current source to provide a stable current output.

    External
  • Data Interface

    Data Interface refers to the physical and logical means by which an electronic component communicates with other components or systems. It defines the protocols, pinouts, and signal characteristics used for data exchange. The Data Interface parameter specifies the type of interface supported by the component, such as SPI, I2C, UART, or Ethernet. It ensures compatibility and proper communication between different devices within a system.

    SPI
  • Resolution
    1.5 B
  • Sampling Rate

    Sampling rate refers to the number of times per second that an analog signal is measured and converted into a digital signal. It is expressed in Hertz (Hz) and determines the maximum frequency that can be accurately represented in the digital signal. A higher sampling rate results in a more accurate representation of the analog signal, but also increases the amount of data that needs to be processed. The sampling rate must be at least twice the highest frequency component of the analog signal to avoid aliasing, where high-frequency components are incorrectly represented as lower-frequency components.

    200 ksps
  • Voltage - Supply, Analog
    2.7V~3.6V 5V
  • Voltage - Supply, Digital
    2.7V~3.6V 5V
  • Number of Analog In Channels
    8
  • Sampling Rate (Per Second)
    200k
  • Output Bit Code
    BINARY
  • Linearity Error-Max (EL)
    0.0488%
  • Integral Nonlinearity (INL)
    2 LSB
  • Sample and Hold / Track and Hold
    SAMPLE
  • Conversion Rate
    200 ksps
  • Ratio - S/H:ADC

    Ratio - S/H:ADC is an electronic component parameter that specifies the ratio of the output voltage of a sample-and-hold (S/H) circuit to the input voltage of the analog-to-digital converter (ADC). It is expressed as a percentage and indicates the accuracy of the ADC's conversion process. A higher ratio indicates better accuracy, as it means that the ADC is able to convert the analog input signal into a digital representation with less error.

    1:1
  • Signal to Noise Ratio (SNR)
    72 dB
  • Max Supply Voltage (DC)
    5.25V
  • Differential Nonlinearity
    0.8 LSB
  • Min Supply Voltage (DC)
    2.7V
  • Spurious-free dynamic range (SFDR)
    76 dB
  • Height

    Height, in the context of electronic components, refers to the vertical dimension of the component. It is typically measured in millimeters (mm) or inches (in). Height is an important parameter to consider when designing and assembling electronic circuits, as it affects the overall size and form factor of the device. Components with a smaller height are often preferred for applications where space is limited, such as in portable devices or embedded systems.

    1.75mm
  • Length

    Length, in the context of electronic components, refers to the physical dimension of a component along its longest axis. It is typically measured in millimeters (mm) or inches (in). Length is a crucial parameter for determining the physical size and space requirements of a component on a printed circuit board (PCB) or other assembly. It also affects the component's electrical characteristics, such as inductance and capacitance, which can be influenced by the length of conductors or traces within the component.

    8.65mm
  • Width
    3.9mm
  • Thickness

    Thickness, in the context of electronic components, refers to the vertical distance between two opposing surfaces of a component. It is typically measured in millimeters (mm) or inches (in). Thickness is a crucial parameter that affects the component's physical dimensions, weight, and performance characteristics. It influences factors such as heat dissipation, electrical insulation, and mechanical stability. Thinner components generally offer better heat dissipation and space efficiency, while thicker components may provide enhanced durability and structural integrity.

    1.5mm
  • Radiation Hardening
    No
  • REACH SVHC
    No SVHC
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free

Product Comparison

The three parts on the right have similar specifications to ADS7844EG4.
  • Image
    Part Number
    Manufacturer
    Factory Lead Time
    Lifecycle Status
    Contact Plating
    Mounting Type
    Package / Case
    Surface Mount
    Number of Pins
    Operating Temperature
    Packaging
    JESD-609 Code
    Pbfree Code
    Part Status
    Moisture Sensitivity Level (MSL)
    Number of Terminations
    ECCN Code
    Subcategory
    Max Power Dissipation
    Technology
    Terminal Position
    Terminal Form
    Peak Reflow Temperature (Cel)
    Number of Functions
    Supply Voltage
    Terminal Pitch
    Base Part Number
    Pin Count
    Operating Supply Voltage
    Number of Elements
    Polarity
    Configuration
    Interface
    Max Supply Voltage
    Min Supply Voltage
    Nominal Supply Current
    Power Dissipation
    Number of Bits
    Input Type
    Architecture
    Number of Inputs
    Converter Type
    Supply Type
    Reference Type
    Data Interface
    Resolution
    Sampling Rate
    Voltage - Supply, Analog
    Voltage - Supply, Digital
    Number of Analog In Channels
    Sampling Rate (Per Second)
    Output Bit Code
    Linearity Error-Max (EL)
    Integral Nonlinearity (INL)
    Sample and Hold / Track and Hold
    Conversion Rate
    Ratio - S/H:ADC
    Signal to Noise Ratio (SNR)
    Max Supply Voltage (DC)
    Differential Nonlinearity
    Min Supply Voltage (DC)
    Spurious-free dynamic range (SFDR)
    Height
    Length
    Width
    Thickness
    Radiation Hardening
    REACH SVHC
    RoHS Status
    Lead Free
    Mount
    Supply Current-Max
    Output Format
    Weight
    Number of Channels
    Series
    Terminal Finish
    Analog Input Voltage-Max
    Conversion Time-Max
    View Compare
  • ADS7844EG4
    ADS7844EG4
    6 Weeks
    ACTIVE (Last Updated: 3 days ago)
    Gold
    Surface Mount
    20-SSOP (0.154, 3.90mm Width)
    YES
    20
    -40°C~85°C
    Tube
    e4
    yes
    Active
    2 (1 Year)
    20
    EAR99
    Analog to Digital Converters
    4.5mW
    CMOS
    DUAL
    GULL WING
    260
    1
    2.7V
    0.635mm
    ADS7844
    20
    5V
    1
    Unipolar
    MUX-S/H-ADC
    Serial
    5.25V
    2.7V
    550μA
    4.5mW
    12
    Differential, Single Ended
    SAR
    4, 8
    ADC, SUCCESSIVE APPROXIMATION
    Single
    External
    SPI
    1.5 B
    200 ksps
    2.7V~3.6V 5V
    2.7V~3.6V 5V
    8
    200k
    BINARY
    0.0488%
    2 LSB
    SAMPLE
    200 ksps
    1:1
    72 dB
    5.25V
    0.8 LSB
    2.7V
    76 dB
    1.75mm
    8.65mm
    3.9mm
    1.5mm
    No
    No SVHC
    ROHS3 Compliant
    Lead Free
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
  • ADS7041IDCUR
    6 Weeks
    ACTIVE (Last Updated: 4 days ago)
    Gold
    Surface Mount
    8-VFSOP (0.091, 2.30mm Width)
    -
    8
    -40°C~125°C
    Tape & Reel (TR)
    e4
    yes
    Active
    1 (Unlimited)
    8
    EAR99
    -
    600μW
    -
    DUAL
    GULL WING
    -
    1
    3V
    0.5mm
    ADS7041
    -
    3V
    -
    Unipolar
    S/H-ADC
    -
    3.6V
    -
    -
    -
    10
    Single Ended
    SAR
    1
    ADC, SUCCESSIVE APPROXIMATION
    Analog, Digital
    Supply
    SPI
    1.25 B
    1 Msps
    1.65V~3.6V
    1.65V~3.6V
    1
    1M
    BINARY
    -
    0.8 LSB
    SAMPLE
    -
    1:1
    61 dB
    -
    0.7 LSB
    -
    -
    900μm
    2.3mm
    2mm
    850μm
    -
    -
    ROHS3 Compliant
    Lead Free
    Surface Mount
    0.2mA
    SERIAL
    -
    -
    -
    -
    -
    -
  • ADS7040IRUGR
    6 Weeks
    ACTIVE (Last Updated: 4 days ago)
    Gold, Silver
    Surface Mount
    8-XFQFN
    -
    -
    -40°C~125°C
    Tape & Reel (TR)
    -
    yes
    Active
    1 (Unlimited)
    8
    EAR99
    -
    555μW
    -
    QUAD
    NO LEAD
    -
    1
    3V
    0.5mm
    ADS7040
    -
    3V
    -
    Unipolar
    S/H-ADC
    -
    3.6V
    1.65V
    -
    555μW
    8
    Single Ended
    SAR
    -
    ADC, SUCCESSIVE APPROXIMATION
    Analog, Digital
    Supply
    SPI
    1 B
    1 Msps
    1.65V~3.6V
    1.65V~3.6V
    1
    1M
    BINARY
    -
    0.5 LSB
    SAMPLE
    -
    1:1
    49 dB
    -
    0.4 LSB
    -
    -
    400μm
    1.5mm
    1.5mm
    370μm
    -
    No SVHC
    ROHS3 Compliant
    Lead Free
    Surface Mount
    -
    SERIAL
    5.896701mg
    1
    -
    -
    -
    -
  • ADS7049QDCURQ1
    6 Weeks
    ACTIVE (Last Updated: 1 day ago)
    -
    Surface Mount
    8-VFSOP (0.091, 2.30mm Width)
    YES
    8
    -40°C~125°C
    Tape & Reel (TR)
    e4
    yes
    Active
    2 (1 Year)
    8
    EAR99
    -
    -
    -
    DUAL
    GULL WING
    -
    1
    3V
    0.5mm
    ADS7049
    -
    -
    -
    -
    S/H-ADC
    -
    -
    -
    -
    -
    12
    Differential
    SAR
    1
    ADC, SUCCESSIVE APPROXIMATION
    -
    Supply
    SPI
    -
    2 MHz
    2.35V~3.6V
    1.65V~3.6V
    1
    2M
    BINARY
    0.0244%
    -
    SAMPLE
    -
    1:1
    -
    -
    -
    -
    -
    900μm
    2.3mm
    2mm
    850μm
    -
    -
    ROHS3 Compliant
    -
    -
    0.46mA
    SERIAL
    -
    -
    Automotive, AEC-Q101
    Nickel/Palladium/Gold (Ni/Pd/Au)
    3.6V
    0.402μs

Certification

  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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