Datasheet > AD795SH-883B

AD795SH-883B

更新时间： 2024-01-20 11:41:12

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
20页	292K
描述
IC OP-AMP, 500 uV OFFSET-MAX, 1.6 MHz BAND WIDTH, MBCY8, HERMETIC SEALED, METAL CAN, HEADER, TO-99, 8 PIN, Operational Amplifier

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AD795SH-883B 数据手册

Low Power, Low Noise

Precision FET Op Amp

AD795

FEATURES

CONNECTION DIAGRAM

Low power replacement for Burr-Brown

OPA111, OPA121 op amps

Low noise

3.3 μV p-p maximum, 0.1 Hz to 10 Hz

11 nV/√Hz maximum at 10 kHz

0.6 fA/√Hz at 1 kHz

–IN

+IN

OUTPUT

–V

AD795

NC = NO CONNECT

Figure 1. 8-Lead SOIC (R) Package

High dc accuracy

500 μV maximum offset voltage

10 μV/°C maximum drift

2 pA maximum input bias current

Low power: 1.5 mA maximum supply current

APPLICATIONS

Low noise photodiode preamps

CT scanners

Precision l-to-V converters

GENERAL DESCRIPTION

The AD795 is a low noise, precision, FET input operational

amplifier. It offers both the low voltage noise and low offset drift

of a bipolar input op amp and the very low bias current of a FET-

input device. The 10¹⁴Ω common-mode impedance insures

that input bias current is essentially independent of common-

mode voltage and supply voltage variations.

Furthermore, the AD795 features a guaranteed low input noise

of 3.3 μV p-p (0.1 Hz to 10 Hz) and a 11 nV/√Hz maximum

noise level at 10 kHz. The AD795 has a fully specified and

tested input offset voltage drift of only 10 μV/°C maximum.

The AD795 is useful for many high input impedance, low noise

applications. The AD795 is rated over the commercial tempera-

ture range of 0°C to +70°C.

The AD795 has both excellent dc performance and a guaranteed

and tested maximum input voltage noise. It features 2 pA

maximum input bias current and 500 μV maximum offset

voltage, along with low supply current of 1.5 mA maximum.

The AD795 is available in an 8-lead SOIC package.

SAMPLE SIZE = 570

100

–5

–4

–3

–2

–1

INPUT OFFSET VOLTAGE DRIFT (µV/°C)

100

FREQUENCY (Hz)

10k

Figure 3. Typical Distribution of Average Input Offset Voltage Drift

Figure 2. Voltage Noise Spectral Density

Rev. C

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 that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

www.analog.com

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