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National Semiconductor - 12-Bit Plus Sign 216 kHz Sampling Analog-to-Digital Converter

Numéro de référence ADC12041CIV
Description 12-Bit Plus Sign 216 kHz Sampling Analog-to-Digital Converter
Fabricant National Semiconductor 
Logo National Semiconductor 





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ADC12041CIV fiche technique
April 2000
ADC12041
12-Bit Plus Sign 216 kHz Sampling Analog-to-Digital
Converter
General Description
Operating from a single 5V power supply, the ADC12041 is a
12 bit + sign, parallel I/O, self-calibrating, sampling
analog-to-digital converter (ADC). The maximum sampling
rate is 216 kHz. On request, the ADC goes through a
self-calibration process that adjusts linearity, zero and
full-scale errors.
The ADC12041 can be configured to work with many popular
microprocessors/microcontrollers and DSPs including Na-
tional’s HPC family, Intel386 and 8051, TMS320C25, Mo-
torola MC68HC11/16, Hitachi 64180 and Analog Devices
ADSP21xx.
For complementary voltage references see the LM4040,
LM4041 or LM9140.
Features
n Fully differential analog input
n Programmable acquisition times and user-controllable
throughput rates
n Programmable data bus width (8/13 bits)
n Built-in Sample-and-Hold
n Programmable auto-calibration and auto-zero cycles
n Low power standby mode
n No missing codes
Key Specifications
(fCLK = 12 MHz)
n Resolution
n 13-bit conversion time
n 13-bit throughput rate
n Integral Linearity Error (ILE)
n Single supply
n VIN range
n Power consumption
— Normal operation
— Stand-by mode
Applications
n Medical instrumentation
n Process control systems
n Test equipment
n Data logging
n Inertial guidance
12-bits + sign
3.6 µs, max
216 ksamples/s, min
±1 LSB, max
+5V ± 10%
GND to VA+
33 mW, max
75 µw, max
Block Diagram
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 2000 National Semiconductor Corporation DS012441
DS012441-1
www.national.com

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