ADC08038CMJ National Semiconductor, ADC08038CMJ Datasheet
ADC08038CMJ
Manufacturer Part Number
ADC08038CMJ
Description
IC ADC 8BIT HS SERIAL I/O 20CDIP
Manufacturer
National Semiconductor
Datasheet
1.ADC08038CMJ.pdf
(24 pages)
Specifications of ADC08038CMJ
Number Of Bits
8
Data Interface
NSC MICROWIRE™, Serial
Number Of Converters
1
Power Dissipation (max)
20mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
20-CDIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*ADC08038CMJ
© 2000 National Semiconductor Corporation
ADC08031/ADC08032/ADC08034/ADC08038
8-Bit High-Speed Serial I/O A/D Converters with
Multiplexer Options, Voltage Reference, and Track/Hold
Function
General Description
The ADC08031/ADC08032/ADC08034/ADC08038 are 8-bit
successive approximation A/D converters with serial I/O and
configurable input multiplexers with up to 8 channels. The
serial I/O is configured to comply with the NSC MICROW-
IRE
COPS
standard shift registers or microprocessors.
The ADC08034 and ADC08038 provide a 2.6V band-gap de-
rived reference. For devices offering guaranteed voltage ref-
erence performance over temperature see ADC08131,
ADC08134 and ADC08138.
A track/hold function allows the analog voltage at the positive
input to vary during the actual A/D conversion.
The analog inputs can be configured to operate in various
combinations
pseudo-differential modes. In addition, input voltage spans
as small as 1V can be accommodated.
Applications
n Digitizing automotive sensors
n Process control monitoring
n Remote sensing in noisy environments
n Instrumentation
Ordering Information
COPS
™
™
serial data exchange standard for easy interface to the
™
microcontrollers and MICROWIRE
family of controllers, and can easily interface with
of
single-ended,
™
are trademarks of National Semiconductor Corporation.
*
Not recomended for new designs.
ADC08031CIN*
ADC08038CIN*
ADC08031CIWM,
ADC08032CIWM,
ADC08034CIWM
ADC08038CIWM
Industrial (−40˚C
DS010555
differential,
T
or
A
+85˚C)
n Test systems
n Embedded diagnostics
Features
n Serial digital data link requires few I/O pins
n Analog input track/hold function
n 2-, 4-, or 8-channel input multiplexer options with
n 0V to 5V analog input range with single 5V power
n No zero or full scale adjustment required
n TTL/CMOS input/output compatible
n On chip 2.6V band-gap reference
n 0.3" standard width 8-, 14-, or 20-pin DIP package
n 14-, 20-pin small-outline packages
Key Specifications
n Resolution:
n Conversion time (f
n Power dissipation: 20mW (max)
n Single supply: 5V
n Total unadjusted error:
n No missing codes over temperature
address logic
supply
Package
8 bits
M14B
M20B
N08E
N20A
C
DC
= 1 MHz): 8µs (max)
(
±
5%)
±
1
⁄
2
LSB and
±
1LSB
www.national.com
June 2000
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