AD597

更新时间： 2024-02-04 13:20:18

品牌	Logo	应用领域
亚德诺 - ADI		调节器控制器
页数	文件大小	规格书
8页	205K
描述
Thermocouple Conditioner and Setpoint Controller

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技术参数
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AD597 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	SOP,	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	6.99
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	R-PDSO-G8
JESD-609代码：	e3	长度：	4.9 mm
湿度敏感等级：	1	负电源电压最大值（Vsup）：	-15 V
负电源电压最小值（Vsup）：	-2.5 V	标称负供电电压 (Vsup)：	-5 V
功能数量：	1	端子数量：	8
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1.75 mm	最大供电电压 (Vsup)：	15 V
最小供电电压 (Vsup)：	2.5 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	3.9 mm
Base Number Matches：	1

AD597 数据手册

Thermocouple Conditioner and

Setpoint Controller

AD596*/AD597*

FUNCTIO NAL BLO CK D IAGRAM

FEATURES

Low Cost

TO -100

Operates w ith Type J (AD596) or Type K (AD597)

Therm ocouples

–ALM

Built-In Ice Point Com pensation

Tem perature Proportional Operation – 10 m V/؇C

Tem perature Setpoint Operation – ON/ OFF

Program m able Sw itching Hysteresis

High Im pedance Differential Input

–IN

+ALM

–

V+

+IN

ICE

POINT

COMP

–

+ A

GENERAL D ESCRIP TIO N

AD596/

AD597

OUT

HYS

T he AD596/AD597 is a monolithic temperature setpoint con-

troller that has been optimized for use at elevated temperatures

such as those found in oven control applications. T he device

cold junction compensates and amplifies a type J or K thermo-

couple input to derive an internal signal proportional to tem-

perature. The internal signal is then compared with an externally

applied setpoint voltage to yield a low impedance switched output

voltage. Dead-Band or switching hysteresis can be programmed

using a single external resistor. Alternately, the AD596/AD597 can

be configured to provide a voltage output (10 mV/°C) directly from

a type J or K thermocouple signal. It can also be used as a stand-

alone voltage output temperature sensor.

GND

V–

SO IC

AD597

–IN

+IN

–

V+

HYS

GND

V–

T he AD596/AD597 can be powered with a single supply from

+5 V to +30 V, or dual supplies up to a total span of 36 V.

T ypical quiescent supply current is 160 µA, which minimizes

self-heating errors.

OUT

T he AD596/AD597 H package option includes a thermocouple

failure alarm that indicates an open thermocouple lead when

operated in the temperature proportional measurement mode.

T he alarm output has a flexible format which can be used to

drive relays, LEDs or T T L logic.

ICE POINT

COMP

TOP VIEW

(Not to Scale)

T he device is packaged in a reliability qualified, cost effective

10-pin metal can or SOIC and is trimmed to operate over an

ambient temperature range from +25°C to +100°C. Operation

over an extended ambient temperature range is possible with

slightly reduced accuracy. T he AD596 will amplify thermo-

couple signals covering the entire –200°C to +760°C tempera-

ture range recommended for type J thermocouples while the

AD597 can accommodate –200°C to +1250°C type K inputs.

P RO D UCT H IGH LIGH TS

1. T he AD596/AD597 provides cold junction compensation

and a high gain amplifier which can be used as a setpoint

comparator.

2. T he input stage of the AD596/AD597 is a high quality in-

strumentation amplifier that allows the thermocouple to float

over most of the supply voltage range.

3. Linearization not required for thermocouple temperatures

T he AD596/AD597 has a calibration accuracy of ±4°C at an

ambient temperature of 60°C and an ambient temperature

stability specification of 0.05°C/°C from +25°C to +100°C. If

higher accuracy, or a lower ambient operating temperature is

required, either the AD594 (J thermocouple) or AD595 (K

thermocouple) should be considered.

close to 175°C (+100°C to +540°C for AD596).

4. Cold junction compensation is optimized for ambient tem-

peratures ranging from +25°C to +100°C.

5. In the stand-alone mode, the AD596/AD597 produces an

output voltage that indicates its own temperature.

*P r otected by U.S. P atent No. 4,029,974.

REV. B

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 781/ 329-4700

Fax: 781/ 326-8703

World Wide Web Site: http:/ / w w w .analog.com

12 3 4 5 6 7 8

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