Analog Devices Inc. AD7984BRMZ
- Part Number:
- AD7984BRMZ
- Manufacturer:
- Analog Devices Inc.
- Ventron No:
- 3012399-AD7984BRMZ
- Description:
- IC ADC 18BIT 1.3MSPS SAR 10MSOP
- Datasheet:
- AD7984BRMZ
Description
The AD7984 is an 18-bit, successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 18-bit sampling ADC and a versatile serial interface port. On the CNV rising edge, the AD7984 samples the voltage difference between the IN and IN- pins. The voltages on these pins usually swing in opposite phases between 0 V and Vars. The reference voltage, REF, is applied externally and can be set independent of the supply voltage, VDD.
The SPI-compatible serial interface also features the ability, using the SDI input, to daisy-chain several ADCs on a single 3-wire bus and provides an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic, using the separate VIO supply.
The AD7984 is available in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from -40°C to 85°C.
Features
18-bit resolution with no missing codes
Throughput: 1.33 MSPS
Low power dissipation: 10.5 mW at 1.33 MSPS
INL: ±2.25 LSB maximum
Dynamic range: 99.7 dB typical
True differential analog input range: ±VREOV to Ver with Ver between 2.9 V to 5.0 V
Allows use of any input range
Easy to drive with the ADA4941
No pipeline delay
Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/S V logic interface
Serial interface SPI-/QSPI-/MICROWIRE-/DSP-compatible
Ability to daisy-chain multiple ADCs and busy indicator
10-lead MSOP (MSOP-8 size) and 10-lead 3 mm x 3 mm QFN (LFCSP), SOT-23 size
Applications
Battery-powered equipment
Data acquisition systems
Medical instruments
Seismic data acquisition systems
ADC in MSOP/QFN
The AD7984 is an 18-bit, successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 18-bit sampling ADC and a versatile serial interface port. On the CNV rising edge, the AD7984 samples the voltage difference between the IN and IN- pins. The voltages on these pins usually swing in opposite phases between 0 V and Vars. The reference voltage, REF, is applied externally and can be set independent of the supply voltage, VDD.
The SPI-compatible serial interface also features the ability, using the SDI input, to daisy-chain several ADCs on a single 3-wire bus and provides an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic, using the separate VIO supply.
The AD7984 is available in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from -40°C to 85°C.
Features
18-bit resolution with no missing codes
Throughput: 1.33 MSPS
Low power dissipation: 10.5 mW at 1.33 MSPS
INL: ±2.25 LSB maximum
Dynamic range: 99.7 dB typical
True differential analog input range: ±VREOV to Ver with Ver between 2.9 V to 5.0 V
Allows use of any input range
Easy to drive with the ADA4941
No pipeline delay
Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/S V logic interface
Serial interface SPI-/QSPI-/MICROWIRE-/DSP-compatible
Ability to daisy-chain multiple ADCs and busy indicator
10-lead MSOP (MSOP-8 size) and 10-lead 3 mm x 3 mm QFN (LFCSP), SOT-23 size
Applications
Battery-powered equipment
Data acquisition systems
Medical instruments
Seismic data acquisition systems
ADC in MSOP/QFN
Analog Devices Inc. AD7984BRMZ technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. AD7984BRMZ.
- Factory Lead Time26 Weeks
- Lifecycle StatusPRODUCTION (Last Updated: 1 week ago)
- Contact PlatingTin
- Mounting TypeSurface Mount
- Package / Case10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
- Surface MountYES
- Number of Pins10
- Operating Temperature-40°C~85°C
- PackagingTube
- SeriesPulSAR®
- JESD-609 Codee3
- Pbfree Codeno
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations10
- ECCN CodeEAR99
- SubcategoryAnalog to Digital Converters
- Max Power Dissipation14mW
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage2.5V
- Terminal Pitch0.5mm
- Reflow Temperature-Max (s)30
- Base Part NumberAD7984
- Pin Count10
- Qualification StatusNot Qualified
- Operating Supply Voltage2.5V
- PolarityBipolar
- ConfigurationS/H-ADC
- Number of Channels1
- InterfaceSPI
- Max Supply Voltage2.625V
- Min Supply Voltage2.375V
- Nominal Supply Current1.1mA
- Power Dissipation14mW
- Number of Bits18
- Input TypeDifferential
- Min Input Voltage2.9V
- ArchitectureSAR
- Max Input Voltage5.1V
- Converter TypeADC, SUCCESSIVE APPROXIMATION
- Supply TypeSingle
- Reference TypeExternal
- Data InterfaceSPI, DSP
- Resolution2.25 B
- Sampling Rate1.33 Msps
- Voltage - Supply, Analog2.375V~2.625V
- Voltage - Supply, Digital2.375V~2.625V
- Number of Analog In Channels1
- Sampling Rate (Per Second)1.33M
- Output Bit Code2'S COMPLEMENT BINARY
- Power Consumption10.5mW
- Linearity Error-Max (EL)0.0009%
- Integral Nonlinearity (INL)2.25 LSB
- Sample and Hold / Track and HoldTRACK
- Ratio - S/H:ADC1:1
- Output FormatSERIAL
- Signal to Noise Ratio (SNR)98.5 dB
- Differential Nonlinearity-1 LSB
- Conversion Time-Max0.5μs
- Height850μm
- Length3mm
- Width3mm
- REACH SVHCNo SVHC
- RoHS StatusROHS3 Compliant
- Lead FreeContains Lead
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