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參數(shù)資料
| 型號： | AD546J |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 1 pA Monolithic Electrometer Operational Amplifier |
| 中文描述： | 靜電計(jì)1功率放大器單片運(yùn)算放大器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 455K |
| 代理商： | AD546J |
CONNECTION DIAGRAM
8-Pin Plastic
Mini-DIP Package
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.
a
1 pA Monolithic Electrometer
Operational Amplifier
AD546*
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
DC PERFORMANCE
1 mV max Input Offset Voltage
Low Offset Drift: 20
m
V/
8
C
1 pA max Input Bias Current
Input Bias Current Guaranteed Over Full
Common-Mode Voltage Range
AC PERFORMANCE
3 V/
m
s Slew Rate
1 MHz Unity Gain Bandwidth
Low Input Voltage Noise: 4
m
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 DESCRIPTION
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.
Input bias currents are reduced significantly by using “topgate”
JFET technology. The 10
15
common-mode impedance,
resulting from a bootstrapped input stage, insures that input
bias current is essentially independent of common-mode voltage
variations.
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.
PRODUCT HIGHLIGHTS
1. The input bias current of the AD546 is specified, 100%
tested and guaranteed with the device in the fully warmed-up
condition.
2. The input offset voltage of the AD546 is laser trimmed to
less than 1 mV (AD546K).
3. The AD546 is packaged in a standard, low cost, 8-pin
mini-DIP.
4. A low quiescent supply current of 700
μ
A minimizes any
thermal effects which might degrade input bias current and
input offset voltage specifications.
相關(guān)PDF資料 |
PDF描述 |
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| AD546K | 1 pA Monolithic Electrometer Operational Amplifier |
| AD546JN | 1 pA Monolithic Electrometer Operational Amplifier |
| AD561JCHIPS | 10-Bit Digital-to-Analog Converter |
| AD561TCHIPS | 10-Bit Digital-to-Analog Converter |
| AD561JN | Low Cost 10-Bit Monolithic D/A Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD546JN | 制造商:AD 制造商全稱:Analog Devices 功能描述:1 pA Monolithic Electrometer Operational Amplifier |
| AD546K | 制造商:AD 制造商全稱:Analog Devices 功能描述:1 pA Monolithic Electrometer Operational Amplifier |
| AD546KN | 制造商:AD 制造商全稱:Analog Devices 功能描述:1 pA Monolithic Electrometer Operational Amplifier |
| AD547 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Performance, BiFET Operational Amplifiers |
| AD547JH | 制造商:Rochester Electronics LLC 功能描述:ULTRA-LOW DRIFT OP AMP IC - Bulk 制造商:Analog Devices 功能描述: |
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