Texas Instruments ADS7844NB/1K
- Part Number:
- ADS7844NB/1K
- Manufacturer:
- Texas Instruments
- Ventron No:
- 3008684-ADS7844NB/1K
- Description:
- 12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter
- Datasheet:
- ads7844
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
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
Texas Instruments ADS7844NB/1K technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments ADS7844NB/1K.
- Factory Lead Time12 Weeks
- Lifecycle StatusACTIVE (Last Updated: 3 days ago)
- Contact PlatingGold
- Mounting TypeSurface Mount
- Package / Case20-SSOP (0.209, 5.30mm Width)
- Surface MountYES
- Number of Pins20
- Operating Temperature-40°C~85°C
- PackagingTape & Reel (TR)
- JESD-609 Codee4
- Pbfree Codeyes
- Part StatusActive
- Moisture Sensitivity Level (MSL)2 (1 Year)
- Number of Terminations20
- ECCN CodeEAR99
- SubcategoryAnalog to Digital Converters
- Max Power Dissipation4.5mW
- TechnologyCMOS
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage2.7V
- Terminal Pitch0.65mm
- Reflow Temperature-Max (s)NOT SPECIFIED
- Base Part NumberADS7844
- Pin Count20
- Qualification StatusNot Qualified
- Operating Supply Voltage5V
- PolarityUnipolar
- ConfigurationMUX-S/H-ADC
- InterfaceSerial
- Max Supply Voltage5.25V
- Min Supply Voltage2.7V
- Nominal Supply Current550μA
- Number of Bits12
- Input TypeDifferential, Single Ended
- ArchitectureSAR
- Number of Inputs4, 8
- Converter TypeADC, SUCCESSIVE APPROXIMATION
- Supply TypeSingle
- Reference TypeExternal
- Data InterfaceSPI
- Resolution1.5 B
- Sampling Rate200 ksps
- Voltage - Supply, Analog2.7V~3.6V 5V
- Voltage - Supply, Digital2.7V~3.6V 5V
- Number of Analog In Channels8
- Sampling Rate (Per Second)200k
- Output Bit CodeBINARY
- Linearity Error-Max (EL)0.0244%
- Integral Nonlinearity (INL)1 LSB
- Sample and Hold / Track and HoldSAMPLE
- Number of A/D Converters1
- Conversion Rate200 ksps
- Ratio - S/H:ADC1:1
- Signal to Noise Ratio (SNR)72 dB
- Max Supply Voltage (DC)5.25V
- Differential Nonlinearity1 LSB
- Min Supply Voltage (DC)2.7V
- Spurious-free dynamic range (SFDR)78 dB
- Height2mm
- Length7.2mm
- Width5.3mm
- Thickness1.95mm
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
The three parts on the right have similar specifications to ADS7844NB/1K.
-
ImagePart NumberManufacturerFactory Lead TimeLifecycle StatusContact PlatingMounting TypePackage / CaseSurface MountNumber of PinsOperating TemperaturePackagingJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeSubcategoryMax Power DissipationTechnologyTerminal PositionTerminal FormPeak Reflow Temperature (Cel)Number of FunctionsSupply VoltageTerminal PitchReflow Temperature-Max (s)Base Part NumberPin CountQualification StatusOperating Supply VoltagePolarityConfigurationInterfaceMax Supply VoltageMin Supply VoltageNominal Supply CurrentNumber of BitsInput TypeArchitectureNumber of InputsConverter TypeSupply TypeReference TypeData InterfaceResolutionSampling RateVoltage - Supply, AnalogVoltage - Supply, DigitalNumber of Analog In ChannelsSampling Rate (Per Second)Output Bit CodeLinearity Error-Max (EL)Integral Nonlinearity (INL)Sample and Hold / Track and HoldNumber of A/D ConvertersConversion RateRatio - S/H:ADCSignal to Noise Ratio (SNR)Max Supply Voltage (DC)Differential NonlinearityMin Supply Voltage (DC)Spurious-free dynamic range (SFDR)HeightLengthWidthThicknessRoHS StatusLead FreeMountWeightNumber of ChannelsOutput FormatSupply Current-MaxMax Dual Supply VoltageMin Dual Supply VoltagePower DissipationREACH SVHCView Compare
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ADS7844NB/1K12 WeeksACTIVE (Last Updated: 3 days ago)GoldSurface Mount20-SSOP (0.209, 5.30mm Width)YES20-40°C~85°CTape & Reel (TR)e4yesActive2 (1 Year)20EAR99Analog to Digital Converters4.5mWCMOSDUALGULL WING26012.7V0.65mmNOT SPECIFIEDADS784420Not Qualified5VUnipolarMUX-S/H-ADCSerial5.25V2.7V550μA12Differential, Single EndedSAR4, 8ADC, SUCCESSIVE APPROXIMATIONSingleExternalSPI1.5 B200 ksps2.7V~3.6V 5V2.7V~3.6V 5V8200kBINARY0.0244%1 LSBSAMPLE1200 ksps1:172 dB5.25V1 LSB2.7V78 dB2mm7.2mm5.3mm1.95mmROHS3 CompliantLead Free----------
-
6 WeeksACTIVE (Last Updated: 4 days ago)GoldSurface Mount8-VFSOP (0.091, 2.30mm Width)---40°C~125°CTape & Reel (TR)e4yesActive1 (Unlimited)8--555μW-DUALGULL WING-13V0.5mm-ADS7040---UnipolarS/H-ADC-3.6V--8Single EndedSAR-ADC, SUCCESSIVE APPROXIMATIONAnalog, DigitalSupplySPI1 B1 Msps1.65V~3.6V1.65V~3.6V11MBINARY-0.5 LSBSAMPLE--1:149 dB-0.4 LSB--900μm2.3mm2mm850μmROHS3 CompliantLead FreeSurface Mount26.506804mg1SERIAL-----
-
6 WeeksACTIVE (Last Updated: 4 days ago)GoldSurface Mount8-VFSOP (0.091, 2.30mm Width)-8-40°C~125°CTape & Reel (TR)e4yesActive1 (Unlimited)8-Analog to Digital Converters780μW-DUALGULL WING-13V0.5mm-ADS7043-Not Qualified-UnipolarS/H-ADC-3.6V--12Pseudo-DifferentialSAR-ADC, SUCCESSIVE APPROXIMATIONAnalog, DigitalSupplySPI1.5 B1 Msps1.65V~3.6V1.65V~3.6V11MBINARY-2 LSBSAMPLE--1:170 dB----900μm2.3mm2mm850μmROHS3 CompliantLead FreeSurface Mount850.995985mg1SERIAL0.26mA1.8V900mV--
-
6 WeeksACTIVE (Last Updated: 4 days ago)Gold, SilverSurface Mount8-XFQFN---40°C~125°CTape & Reel (TR)-yesActive1 (Unlimited)8EAR99-555μW-QUADNO LEAD-13V0.5mm-ADS7040--3VUnipolarS/H-ADC-3.6V1.65V-8Single EndedSAR-ADC, SUCCESSIVE APPROXIMATIONAnalog, DigitalSupplySPI1 B1 Msps1.65V~3.6V1.65V~3.6V11MBINARY-0.5 LSBSAMPLE--1:149 dB-0.4 LSB--400μm1.5mm1.5mm370μmROHS3 CompliantLead FreeSurface Mount5.896701mg1SERIAL---555μWNo SVHC
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