Datasheet > AD546KN

AD546KN

更新时间： 2024-11-20 22:15:27

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器
页数	文件大小	规格书
12页	457K
描述
1 pA Monolithic Electrometer Operational Amplifier

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AD546KN 数据手册

1 pA Monolithic Electrometer

Operational Amplifier

AD546*

CONNECTION DIAGRAM

8-Pin Plastic

FEATURES

DC PERFORMANCE

Mini-DIP Package

1 mV max Input Offset Voltage

Low Offset Drift: 20 ␮V/؇C

1 pA max Input Bias Current

Input Bias Current Guaranteed Over Full

Common-Mode Voltage Range

AC PERFORMANCE

3 V/␮s Slew Rate

1 MHz Unity Gain Bandwidth

Low Input Voltage Noise: 4 ␮V p-p, 0.1 Hz to 10 Hz

Available in a Low Cost, 8-Pin Plastic Mini-DIP

Standard Op Amp Pinout

APPLICATIONS

Electrometer Amplifiers

Photodiode Preamps

pH Electrode Buffers

Log Ratio Amplifiers

PRODUCT HIGHLIGHTS

PRODUCT DESCRIPTION

1. The input bias current of the AD546 is specified, 100%

tested and guaranteed with the device in the fully warmed-up

condition.

The AD546 is a monolithic electrometer combining the virtues

of low (1 pA) input bias current with the cost effectiveness of a

plastic mini-DIP package. Both input offset voltage and input

offset voltage drift are laser trimmed, providing very high perfor-

mance for such a low cost amplifier.

2. The input offset voltage of the AD546 is laser trimmed to

less than 1 mV (AD546K).

Input bias currents are reduced significantly by using “topgate”

JFET technology. The 10¹⁵Ω common-mode impedance,

resulting from a bootstrapped input stage, insures that input

bias current is essentially independent of common-mode voltage

variations.

3. The AD546 is packaged in a standard, low cost, 8-pin

mini-DIP.

4. A low quiescent supply current of 700 µA minimizes any

thermal effects which might degrade input bias current and

input offset voltage specifications.

The AD546 is suitable for applications requiring both minimal

levels of input bias current and low input offset voltage. Appli-

cations for the AD546 include use as a buffer amplifier for cur-

rent output transducers such as photodiodes and pH probes. It

may also be used as a precision integrator or as a low droop rate

sample and hold amplifier. The AD546 is pin compatible with

standard op amps; its plastic mini-DIP package is ideal for use

with automatic insertion equipment.

The AD546 is available in two performance grades, all rated

over the 0°C to +70°C commercial temperature range, and

packaged in an 8-pin plastic mini-DIP.

*Covered by Patent No. 4,639,683.

REV. A

Information furnished by Analog Devices is believed to be accurate and

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

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/329-4700

Fax: 617/326-8703

12 3 4 5 6 7...12

中文翻译

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AD546KN 替代型号

型号	品牌	替代类型	描述	数据表
AD546JN	ADI	功能相似	1 pA Monolithic Electrometer Operational Amplifier

与AD546KN相关器件

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AD547	ADI	获取价格	High Performance, BiFET Operational Amplifiers
AD547JCHIPS	ADI	获取价格	IC IC,OP-AMP,SINGLE,BIPOLAR/JFET,DIE, Operational Amplifier
AD547JH	ADI	获取价格	High Performance, BiFET Operational Amplifiers
AD547JH	ROCHESTER	获取价格	OP-AMP, 1000uV OFFSET-MAX, 1MHz BAND WIDTH, MBCY8, HERMETICALLY SEALED, METAL CAN, TO-99,
AD547JH/+	ADI	获取价格	IC IC,OP-AMP,SINGLE,BIPOLAR/JFET,CAN,8PIN,METAL, Operational Amplifier
AD547KH	ADI	获取价格	High Performance, BiFET Operational Amplifiers
AD547KH	ROCHESTER	获取价格	OP-AMP, 500uV OFFSET-MAX, 1MHz BAND WIDTH, MBCY8, HERMETICALLY SEALED, METAL CAN, TO-99, 8
AD547KH/+	ETC	获取价格	Voltage-Feedback Operational Amplifier
AD547LH	ADI	获取价格	High Performance, BiFET Operational Amplifiers
AD547LH	ROCHESTER	获取价格	OP-AMP, 250uV OFFSET-MAX, 1MHz BAND WIDTH, MBCY8, HERMETICALLY SEALED, METAL CAN, TO-99, 8

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