Texas Instruments ADS7844EB
- Part Number:
- ADS7844EB
- Manufacturer:
- Texas Instruments
- Ventron No:
- 3009763-ADS7844EB
- 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 ADS7844EB technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments ADS7844EB.
- Factory Lead Time6 Weeks
- Lifecycle StatusACTIVE (Last Updated: 3 days ago)
- Contact PlatingGold
- Mounting TypeSurface Mount
- Package / Case20-SSOP (0.154, 3.90mm Width)
- Surface MountYES
- Number of Pins20
- Operating Temperature-40°C~85°C
- PackagingTube
- 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 Pitch0.635mm
- Base Part NumberADS7844
- Pin Count20
- Operating Supply Voltage5V
- Number of Elements1
- PolarityUnipolar
- ConfigurationMUX-S/H-ADC
- Number of Channels8
- InterfaceSerial
- Max Supply Voltage5.25V
- Min Supply Voltage2.7V
- Nominal Supply Current550μA
- Power Dissipation4.5mW
- 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
- 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
- Height1.75mm
- Length8.65mm
- Width3.9mm
- Thickness1.5mm
- Radiation HardeningNo
- REACH SVHCNo SVHC
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
The three parts on the right have similar specifications to ADS7844EB.
-
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 PitchBase Part NumberPin CountOperating Supply VoltageNumber of ElementsPolarityConfigurationNumber of ChannelsInterfaceMax Supply VoltageMin Supply VoltageNominal Supply CurrentPower DissipationNumber 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 HoldConversion RateRatio - S/H:ADCSignal to Noise Ratio (SNR)Max Supply Voltage (DC)Differential NonlinearityMin Supply Voltage (DC)Spurious-free dynamic range (SFDR)HeightLengthWidthThicknessRadiation HardeningREACH SVHCRoHS StatusLead FreeMountOutput FormatSupply Current-MaxWeightView Compare
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ADS7844EB6 WeeksACTIVE (Last Updated: 3 days ago)GoldSurface Mount20-SSOP (0.154, 3.90mm Width)YES20-40°C~85°CTubee4yesActive2 (1 Year)20EAR99Analog to Digital Converters4.5mWCMOSDUALGULL WING26012.7V0.635mmADS7844205V1UnipolarMUX-S/H-ADC8Serial5.25V2.7V550μA4.5mW12Differential, Single EndedSAR4, 8ADC, SUCCESSIVE APPROXIMATIONSingleExternalSPI1.5 B200 ksps2.7V~3.6V 5V2.7V~3.6V 5V8200kBINARY0.0244%1 LSBSAMPLE200 ksps1:172 dB5.25V1 LSB2.7V78 dB1.75mm8.65mm3.9mm1.5mmNoNo SVHCROHS3 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)8EAR99-555μW-DUALGULL WING-13V0.5mmADS7040-3V-UnipolarS/H-ADC--3.6V---8Single EndedSAR1ADC, SUCCESSIVE APPROXIMATIONAnalog, DigitalSupplySPI1 B1 Msps1.65V~3.6V1.65V~3.6V11MBINARY-0.5 LSBSAMPLE-1:149 dB-0.4 LSB--900μm2.3mm2mm850μm--ROHS3 CompliantLead FreeSurface MountSERIAL--
-
6 WeeksACTIVE (Last Updated: 4 days ago)GoldSurface Mount8-VFSOP (0.091, 2.30mm Width)-8-40°C~125°CTape & Reel (TR)e4yesActive1 (Unlimited)8EAR99-600μW-DUALGULL WING-13V0.5mmADS7041-3V-UnipolarS/H-ADC--3.6V---10Single EndedSAR1ADC, SUCCESSIVE APPROXIMATIONAnalog, DigitalSupplySPI1.25 B1 Msps1.65V~3.6V1.65V~3.6V11MBINARY-0.8 LSBSAMPLE-1:161 dB-0.7 LSB--900μm2.3mm2mm850μm--ROHS3 CompliantLead FreeSurface MountSERIAL0.2mA-
-
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-13V0.5mmADS7040---UnipolarS/H-ADC1-3.6V---8Single EndedSAR-ADC, SUCCESSIVE APPROXIMATIONAnalog, DigitalSupplySPI1 B1 Msps1.65V~3.6V1.65V~3.6V11MBINARY-0.5 LSBSAMPLE-1:149 dB-0.4 LSB--900μm2.3mm2mm850μm--ROHS3 CompliantLead FreeSurface MountSERIAL-26.506804mg
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