ADC674AKP

更新时间： 2024-01-04 20:55:56

品牌	Logo	应用领域
BB		转换器微处理器
页数	文件大小	规格书
6页	57K
描述
Microprocessor-Compatible ANALOG-TO-DIGITAL CONVERTER

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技术参数
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ADC674AKP 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	DIP, DIP28,.6	Reach Compliance Code：	unknown
风险等级：	5.92	最大模拟输入电压：	20 V
转换器类型：	A/D CONVERTER	JESD-30 代码：	R-XDIP-T28
JESD-609代码：	e0	最大线性误差 (EL)：	0.024%
位数：	12	功能数量：	1
端子数量：	28	最高工作温度：	125 °C
最低工作温度：	-55 °C	输出位码：	BINARY, OFFSET BINARY
封装主体材料：	CERAMIC	封装代码：	DIP
封装等效代码：	DIP28,.6	封装形状：	RECTANGULAR
封装形式：	IN-LINE	电源：	5,+-12/+-15 V
认证状态：	Not Qualified	筛选级别：	MIL-STD-883 Class B (Modified)
子类别：	Analog to Digital Converters	表面贴装：	NO
温度等级：	MILITARY	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	Base Number Matches：	1

ADC674AKP 数据手册

ADC674A

Microprocessor-Compatible

ANALOG-TO-DIGITAL CONVERTER

DESCRIPTION

FEATURES

The ADC674A is a 12-bit successive approximation

analog-to-digital converter, utilizing state-of-the-art

CMOS and laser-trimmed bipolar die custom-designed

for freedom from latch-up and for optimum AC per-

formance. It is complete with a self-contained +10V

reference, internal clock, digital interface for micro-

processor control, and three-state outputs.

● COMPLETE 12-BIT A/D CONVERTER

WITH REFERENCE, CLOCK, AND 8-, 12-,

OR 16-BIT MICROPROCESSOR BUS

INTERFACE

● IMPROVED PERFORMANCE SECOND

SOURCE FOR ADC574A/674A-TYPE A/D

CONVERTERS

The reference circuit, containing a buried zener, is

laser-trimmed for minimum temperature coefficient.

The clock oscillator is current-controlled for excel-

lent stability over temperature. Full-scale and offset

errors may be externally trimmed to zero. Internal

scaling resistors are provided for the selection of

analog input signal ranges of 0V to +10V, 0V to

+20V, ±5V, and ±10V.

Conversion Time: 15µs max

Bus Access Time:150ns max

A₀Input: Bus Contention During Read

Operation Eliminated

● FULLY SPECIFIED FOR OPERATION ON

±12V OR ±15V SUPPLIES

● NO MISSING CODES OVER

TEMPERATURE:

The converter may be externally programmed to

provide 8- or 12-bit resolution. The conversion time

for 12 bits is factory set for 15µs maximum.

0°C to +75°C ADC674AJH, KH, JP, KP

Grades

–55°C to +125°C (ADC674ASH, TH Grades)

Output data are available in a parallel format from

TTL-compatible three-state output buffers. Output data

are coded in straight binary for unipolar input signals

and bipolar offset binary for bipolar input signals.

The ADC674A, available in both industrial and

military temperature ranges, requires supply voltages

of +5V and ±12V or ±15V. It is packaged in a 28-pin

plastic DIP, or hermetic side-brazed ceramic DIP.

Control

Inputs

Control

Logic

Status

Bipolar

Offset

Clock

20V Range

10V Range

Comparator

Parallel

Data

Output

12-Bit D/A

Converter

Reference

Input

10V

Reference

Output

International Airport Industrial Park

•

Mailing Address: PO Box 11400

Cable: BBRCORP

•

Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706

Tel: (520) 746-1111

•

Twx: 910-952-1111

•

Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132

PDS-551D

Printed in U.S.A. October, 1993

12 3 4 5 6

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