ADC10734CIMSA ,10-Bit Plus Sign Serial I/O A/D Converters with Mux/Block DiagramDS011390-1COPS™, HPC™ and MICROWIRE™ are trademarks of National Semiconductor Corporat ..
ADC10734CIWM ,10-Bit Plus Sign Serial I/O A/D Converters with Mux/features versatile analog input multiplex-n No zero or full scale adjustment requireders, sample/ho ..
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ADUM1210BRZ , Dual-Channel Digital Isolator
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ADC10734CIMSA-ADC10734CIWM
10-Bit Plus Sign Serial I/O A/D Converters with Mux/
ADC10731/ADC10732/ADC10734/ADC10738
10-Bit Plus Sign Serial I/O A/D Converters with Mux,
Sample/Hold and Reference
General DescriptionThisseriesof CMOS10-bit plussign successive approxima-
tionA/D converters features versatile analog input multiplex-
ers, sample/holdanda 2.5V band-gap reference.The1-,2-,
4-,or 8-channel multiplexerscanbe software configuredfor
single-endedor differential modeof operation. input sample/holdis implementedbya capacitive refer-
ence ladderand sampled-data comparator. This allowsthe
analog inputto vary duringtheA/D conversion cycle.the differential mode, valid outputsare obtained even
whenthe negative inputsare greater thanthe positivebe-
causeofthe 10-bit plus sign output data format.
The serialI/Ois configuredto comply withthe NSCMI-
CROWIRE™ serial data exchange standardfor easy inter-
facetothe COPS™and HPC™ familiesof controllers,and
can easily interface with standard shift registersand micro-
processors.
Features0Vto5V analog input rangewith single5V power
supply SerialI/O (MICROWIRE compatible)1-,2-,4-,or 8-channel differentialor single-ended
multiplexer Softwareor hardware power down Analog input sample/hold function Ratiometricor absolute voltage referencingNo zeroorfull scale adjustment requiredNo missing codes over temperature TTL/CMOS input/output compatible StandardDIPandSO packages
Key Specifications Resolution 10bits plus sign Single supply 5V Power dissipation 37mW (Max)In powerdown mode 18μW Conversion time 5μs (Max) Samplingrate 74kHz (Max) Band-gap reference 2.5V ±2% (Max)
Applications Medical instruments Portableand remote instrumentation Test equipment
ADC10738 Simplified Block DiagramCOPS™, HPC™and MICROWIRE™are trademarks ofNationalSemiconductor Corporation.
DS011390-1
May 1999
ADC10731/ADC10732/ADC10734/ADC10738
10-Bit
Plus
Sign
Serial
I/O
A/D
Converters
with
Mux,
Sample/Hold
and
Reference 1999 National Semiconductor Corporation DS011390
