ADC12451CMJ datasheet(1/18 Pages) NSC

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TLH11025

December 1994

ADC12451 Dynamically-Tested Self-Calibrating

12-Bit Plus Sign AD Converter with Sample-and-Hold

General Description

The ADC12451 is a CMOS 12-bit plus sign successive ap-

proximation analog-to-digital converter whose dynamic

specifications (SN THD etc) are tested and guaranteed

On request the ADC12451 goes through a self-calibration

cycle that adjusts linearity zero and full-scale errors The

ADC12451 also has the ability to go through an Auto-Zero

cycle that corrects the zero error during every conversion

The analog input to the ADC12451 is tracked and held by

the internal circuitry so an external sample-and-hold is not

required The ADC12451 has a S H control input which di-

rectly controls the track-and-hold state of the AD A unipo-

lar analog input voltage range (0V to a5V) or a bipolar

range (b5V to a5V) can be accommodated with g5V sup-

plies

The 13-bit data result is available on the eight outputs of the

ADC12451 in two bytes high-byte first and sign extended

The digital inputs and outputs are compatible with TTL or

CMOS logic levels

Applications

Y

Digital Signal Processing

Y

Audio

Y

Telecommunications

Y

High Resolution Process Control

Y

Instrumentation

Features

Y

Self-calibration provides excellent temperature stability

Y

Internal sample-and-hold

Y

8-bit mPDSP interface

Y

Bipolar input range with a single a5V reference

Key Specifications

Y

Resolution

12 bits plus sign

Y

Conversion Time

77 ms (max)

Y

Sampling Rate

83 kHz (max)

Y

Bipolar SignalNoise

735 dB (min)

Y

Total Harmonic Distortion

b

780 dB (max)

Y

Aperture Time

100 ns

Y

Aperture Jitter

100 psrms

Y

Zero Error

g

2 LSB (max)

Y

Positive Full-Scale Error

g

15 LSB (max)

Y

Power Consumption

g

5V

113 mW (max)

Simplified Block Diagram

TLH11025 – 1

Connection Diagram

Dual-In-Line Package

TLH11025 – 2

Top View

Ordering Information

Industrial

Package

(b40 C s TA s 85 C)

ADC12451CIJ

J24A

Military

Package

(b55 C s TA s 125 C)

ADC12451CMJ

J24A

ADC12451CMJ883

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1995 National Semiconductor Corporation

RRD-B30M115Printed in U S A

Số phần tương tự - ADC12451CMJ

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
MPS Industries, Inc.	ADC124	172Kb / 2P	1W, Miniature SIP, Single & Dual Output DC/DC Converters
National Semiconductor ...	ADC1241	268Kb / 14P	Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold
	ADC1241BIJ	268Kb / 14P	Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold
	ADC1241CIJ	268Kb / 14P	Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold
	ADC1241CMJ	268Kb / 14P	Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	ADC12441	274Kb / 14P	Dynamically-Tested Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold
	ADC1251	301Kb / 16P	Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold
	ADC1241	268Kb / 14P	Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold
	ADC12030	1Mb / 44P	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
	ADC12H030	1Mb / 41P	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
	ADC12130	1Mb / 42P	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
Texas Instruments	ADC12030	2Mb / 53P	[Old version datasheet] Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
National Semiconductor ...	ADC12130	1Mb / 41P	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
Texas Instruments	ADC12130	2Mb / 51P	[Old version datasheet] Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
National Semiconductor ...	ADC12L030	828Kb / 36P	3.3V Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold

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