AD680AR

更新时间： 2024-02-29 21:27:10

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
8页	163K
描述
Low Power, Low Cost 2.5 V Reference

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AD680AR 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：	TO-92
包装说明：	, SIP3,.1,50	针数：	3
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	1.49
模拟集成电路 - 其他类型：	THREE TERMINAL VOLTAGE REFERENCE	JESD-30 代码：	O-MBCY-W3
JESD-609代码：	e3	湿度敏感等级：	1
功能数量：	1	输出次数：	1
端子数量：	3	最高工作温度：	70 °C
最低工作温度：		最大输出电压：	2.51 V
最小输出电压：	2.49 V	标称输出电压：	2.5 V
封装主体材料：	METAL	封装等效代码：	SIP3,.1,50
封装形状：	ROUND	封装形式：	CYLINDRICAL
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
子类别：	Voltage References	最大供电电流 (Isup)：	0.28 mA
最大供电电压 (Vsup)：	36 V	最小供电电压 (Vsup)：	4.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	NO
技术：	BIPOLAR	最大电压温度系数：	30 ppm/ °C
温度等级：	COMMERCIAL	端子面层：	Matte Tin (Sn)
端子形式：	WIRE	端子节距：	1.27 mm
端子位置：	BOTTOM	处于峰值回流温度下的最长时间：	40
微调/可调输出：	NO	最大电压容差：	0.4%
Base Number Matches：	1

AD680AR 数据手册

Low Power, Low Cost

2.5 V Reference

AD680*

CO NNECTIO N D IAGRAMS

FEATURES

Low Quiescent Current: 250 ␮A m ax

Laser Trim m ed to High Accuracy:

2.5 V ؎5 m V m ax (AN, AR Grade)

Trim m ed Tem perature Coefficient:

20 ppm / ؇C m ax (AN, AR Grade)

Low Noise: 8 ␮V p-p from 0.1 Hz to 10 Hz

250 nV/ √Hz Wideband

Tem perature Output Pin (N, R Packages)

Available in Three Package Styles:

8-Pin Plastic DIP, 8-Pin SOIC and 3-Pin TO-92

TP*

AD680

BOTTOM VIEW

(Not to Scale)

AD680

TOP VIEW

(Not to Scale)

TEMP

GND

OUT

GND

OUT

NC = NO CONNECT

*TP DENOTES FACTORY TEST POINT.

NO CONNECTIONS SHOULD BE MADE

TO THESE PINS.

P RO D UCT H IGH LIGH TS

P RO D UCT D ESCRIP TIO N

1. T he AD680 bandgap reference operates on a very low quies-

cent current which rivals that of many two-terminal refer-

ences. T his makes the complete, higher accuracy AD680

ideal for use in power sensitive applications.

T he AD680 is a bandgap voltage reference which provides a

fixed 2.5 V output from inputs between 4.5 V and 36 V. T he

architecture of the AD680 enables the reference to be operated

at a very low quiescent current while still realizing excellent dc

characteristics and noise performance. T rimming of the high

stability thin-film resistors is performed for initial accuracy and

temperature coefficient, resulting in low errors over temperature.

2. Laser trimming of both initial accuracy and temperature

coefficients results in low errors over temperature without the

use of external components. T he AD680AN and AD680AR

have a maximum variation of 6.25 mV between –40°C and

+85°C.

T he precision dc characteristics of the AD680 make it ideal for

use as a reference for D/A converters which require an external

precision reference. T he device is also ideal for A/D converters

and, in general, can offer better performance than the standard

on-chip references.

3. T he AD680 noise is low, typically 8 µV p-p from 0.1 Hz to

10 Hz. Spectral density is also low, typically 250 nV/√Hz.

4. T he temperature output pin on the 8-pin package versions

enables the AD680 to be configured as a temperature trans-

ducer.

Based upon the low quiescent current of the AD680, which

rivals that of many incomplete two-terminal references, the

AD680 is recommended for low power applications such as

hand-held battery equipment.

5. Plastic DIP packaging provides machine insertability, while

SOIC packaging provides surface mount capability. T O-92

packaging offers a cost effective alternative to two-terminal

references, offering a complete solution in the same package

in which two-terminal references are usually found.

A temperature output pin is provided on the 8-pin package ver-

sions of the AD680. T he temperature output pin provides an

output voltage that varies linearly with temperature and allows

the AD680 to be configured as a temperature transducer while

providing a stable 2.5 V output.

T he AD680 is available in five grades. T he AD680AN is speci-

fied for operation from –40°C to +85°C, while the AD680JN

is specified for 0°C to +70°C operation. Both the AD680AN

and AD680JN are available in 8-pin plastic DIP packages. T he

AD680AR is specified for operation from –40°C to +85°C,

while the AD680JR is specified for 0°C to +70°C operation.

Both are available in an 8-pin Small Outline IC (SOIC) pack-

age. T he AD680JT is specified for 0°C to +70°C operation and

is available in a 3-pin T O-92 package.

*P r otected by U.S. P atent Nos. 4,902,959; 4,250,445 and 4,857,862.

REV. C

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: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7 8

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