ADC1005 National Semiconductor Corporation, ADC1005 Datasheet
ADC1005
Manufacturer Part Number
ADC1005
Description
ADC1005 - 10-Bit Microprocessor Compatible A/D Converter, Package: Cerdip, Pin Nb=20
Manufacturer
National Semiconductor Corporation
Datasheet
1.ADC1005.pdf
(12 pages)
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© 2001 National Semiconductor Corporation
ADC1005
10-Bit µP Compatible A/D Converter
General Description
The ADC1005 is a CMOS 10-bit successive approximation
A/D converter. The 20-pin ADC1005 outputs 10-bit data in a
two-byte format for interface with 8-bit microprocessors.
The ADC1005 has differential inputs to permit rejection of
common-mode signals, allow the analog input range to be
offset, and also to permit the conversion of signals not
referred to ground. In addition, the reference voltage can be
adjusted, allowing smaller voltage spans to be measured
with 10-bit resolution.
Connection Diagram
Ordering Information
ADC1005BCJ-1
ADC1005BCJ
ADC1005CCJ-1
ADC1005CCJ
Part Number
Package
Outline
J20A
J20A
J20A
J20A
−40˚C to +85˚C
−40˚C to +85˚C
Temperature
0˚C to +70˚C
0˚C to +70˚C
Range
DS005261
ADC 1005 (for an 8–bit data bus)
Linearity
±
±
Error
1
1 LSB
⁄
Dual-In-Line Package
2
LSB
Top View
Features
n Easy interface to all microprocessors
n Differential analog voltage inputs
n Operates ratiometrically or with 5 V
n 0V to 5V analog input voltage range with single 5V
n On-chip clock generator
n TLL/MOS input/output compatible
n 0.3" standard width 20-pin DIP
Key Specifications
n Resolution
n Linearity Error
n Conversion Time
or analog span adjusted voltage reference
supply
DS005261-1
DC
±
1
⁄
2
voltage reference
LSB and
www.national.com
June 1999
±
10 bits
1 LSB
50 µs
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