ADC12041 datasheet(1/28 Pages) NSC

Part #	ADC12041

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

PDF	28 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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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

(f

CLK = 12 MHz)

n

Resolution

12-bits + sign

n

13-bit conversion time

3.6 µs, max

n

13-bit throughput rate

216 ksamples/s, min

n

Integral Linearity Error (ILE)

±1 LSB, max

n

Single supply

+5V ± 10%

n

V

IN range

GND to V

A+

n

Power consumption

— Normal operation

33 mW, max

— Stand-by mode

75 µw, max

Applications

n

Medical instrumentation

n

Process control systems

n

Test equipment

n

Data logging

n

Inertial guidance

Block Diagram

TRI-STATE® is a registered trademark of National Semiconductor Corporation.

DS012441-1

April 2000

DS012441

www.national.com

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ADC12041 Datasheet(PDF) 1 Page - National Semiconductor (TI)

ADC12041 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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