ADC0854CCN

更新时间： 2024-02-14 02:56:25

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
20页	327K
描述
Multiplexed Comparator with 8-Bit Reference Divider

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技术参数
数据手册

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ADC0854CCN 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	DIP, DIP14,.3	Reach Compliance Code：	unknown
风险等级：	5.92	放大器类型：	COMPARATOR
JESD-30 代码：	R-PDIP-T14	JESD-609代码：	e0
功能数量：	1	端子数量：	14
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	DIP
封装等效代码：	DIP14,.3	封装形状：	RECTANGULAR
封装形式：	IN-LINE	认证状态：	Not Qualified
子类别：	Comparators	表面贴装：	NO
技术：	CMOS	温度等级：	COMMERCIAL
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

ADC0854CCN 数据手册

April 1995

ADC0852/ADC0854

Multiplexed Comparator with 8-Bit Reference Divider

General Description

The ADC0852 and ADC0854 are CMOS devices that com-

bine a versatile analog input multiplexer, voltage compara-

tor, and an 8-bit DAC which provides the comparator’s

once each clock cycle up to a maximum clock rate of

400 kHz.

threshold voltage (V ). The comparator provides a ‘‘1-bit’’

Features

output as a result of a comparison between the analog input

and the DAC’s output. This allows for easy implementation

of set-point, on-off or ‘‘bang-bang’’ control systems with

several advantages over previous devices.

2 or 4 channel multiplexer

Differential or Single-ended input, software controlled

Serial digital data interface

256 programmable reference voltage levels

The ADC0854 has a 4 input multiplexer that can be software

configured for single ended, pseudo-differential, and full-dif-

ferential modes of operation. In addition the DAC’s refer-

ence input is brought out to allow for reduction of the span.

Continuous comparison after programming

Fixed, ratiometric, or reduced span reference capability

(ADC 0854)

The ADC0852 has a two input multiplexer that can be con-

figured as 2 single-ended or 1 differential input pair. The

Key Specifications

1 LSB of Reference (0.2%)

Accuracy,

(/2 LSB or

DAC reference input is internally tied to V

Single 5V power supply

Low Power, 15 mW

The multiplexer and 8-bit DAC are programmed via a serial

data input word. Once programmed the output is updated

TL/H/5521–1

FIGURE 1. ADC0854 Simplified Block Diagram (ADC0852 has 2 input channels,

COM tied to GND, V

tied to V , V omitted, and one GND connection)

REF

2 Channel and 4 Channel Pin Out

ADC0852 2-CHANNEL MUX

Dual-In-Line Package

ADC0854 4-CHANNEL MUX

Dual-In-Line Package

TL/H/5521–10

Top View

AGND and COM internally connected to GND

REF

internally connected to V

TL/H/5521–11

Top View

Order Number ADC0852

See NS Package Number N08E

Order Number ADC0854

See NS Package Number N14A

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/H/5521

RRD-B30M75/Printed in U. S. A.

12 3 4 5 6 7...20

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