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ADC0811CCN-ADC0811CCV
8-Bit Serial I/O A/D Converter With 11-Channel Multiplexer
TL/H/5587
ADC0811
8-Bit
Serial
I/O
A/D
Converter
With
11-Channel
Multiplexer
December 1994
ADC0811 8-Bit Serial I/O A/D Converter
With 11-Channel Multiplexer
General Description
The ADC0811isan 8-Bit successive approximation A/D
converterwith simultaneous serialI/O.The serial input con-
trolsan analog multiplexer which selects from11 input
channelsoran internalhalf scaletest voltage. input sample-and-holdis implementedbya capacitive
reference ladderand sampled data comparator. This allows
the input signalto vary duringthe conversion cycle.
Separate serialI/Oand conversion clock inputsare provid-to facilitatethe interfaceto various microprocessors.
Features Separate asynchronous converter clockand serial data
I/O clock. 11-Channel multiplexer with 4-Bit serial address logic. Built-in sampleand hold function. Ratiometricor absolute voltage referencing.No zeroor full-scale adjust required. Internally addressabletest voltage.0Vto5V input range with single5V power supply. TTL/MOS input/output compatible. 0.3× standard width 20-pindipor 20-pin molded chip
carrier
Key Specifications Resolution 8-Bits Total unadjusted error g (/2LSBandg 1LSB Single supply 5VDC Low Power 15 mW Conversion Time 32mS
Connection Diagrams
Dual-In-Line Package
TL/H/5587–1Top View
Molded Chip Carrier(PCC) Package
TL/H/5587–2Top View
OrderNumber ADC0811J,N,V
SeeNS Packages J20A, N20A, V20A
Use OrderingInformation
Functional Diagram
TL/H/5587–3
C1995National SemiconductorCorporation RRD-B30M115/PrintedinU.S.A.
