OP400GBC

更新时间： 2024-11-04 03:44:51

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器放大器电路
页数	文件大小	规格书
16页	400K
描述
Quad Low Offset, Low Power Operational Amplifier

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OP400GBC 数据手册

Quad Low Offset, Low Power

Operational Amplifier

OP400

FUNCTIONAL BLOCK DIAGRAMS

FEATURES

Low input offset voltage: 150 μV maximum

Low offset voltage drift over –55°C to +125°C: 1.2 pV/°C

maximum

Low supply current (per amplifier): 725 μA maximum

High open-loop gain: 5000 V/mV minimum

Input bias current: 3 nA maximum

Low noise voltage density: 11 nV/√Hz at 1 kHz

Stable with large capacitive loads: 10 nF typical

Pin-compatible to LM148, HA4741, RM4156, and LT1014,

with improved performance

OUTA

–IN A

+IN A

V+

16 OUT D

15 –IN D

14 +IN D

13 V–

OUT A

–IN A

+IN A

V+

14 OUT D

13 –IN D

12 +IN D

11 V–

–

OP400

+IN B

–IN B

OUT B

12 +IN C

11 –IN C

10 OUT C

OP400

–

+IN B

–IN B

OUT B

10 +IN C

–IN C

OUT C

NC = NO CONNECT

Figure 1. 14-Pin Ceramic DIP (Y-Suffix)

and 14-Pin Plastic DIP (P-Suffix)

Figure 2. 16-Pin SOIC (S-Suffix)

Available in die form

GENERAL DESCRIPTION

The OP400 is the first monolithic quad operational amplifier

that features OP77-type performance. Precision performance is

not sacrificed with the OP400 to obtain the space and cost

savings offered by quad amplifiers.

The OP400 features low power consumption, drawing less than

725 μA per amplifier. The total current drawn by this quad

amplifier is less than that of a single OP07, yet the OP400 offers

significant improvements over this industry-standard op amp.

Voltage noise density of the OP400 is a low 11 nV/√Hz at

10 Hz, half that of most competitive devices.

The OP400 features an extremely low input offset voltage of less

than 150 μV with a drift of less than 1.2 μV/°C, guaranteed over

the full military temperature range. Open-loop gain of the

OP400 is more than 5 million into a 10 kΩ load, input bias

current is less than 3 nA, CMR is more than 120 dB, and PSRR

is less than 1.8 μV/V. On-chip Zener zap trimming is used to

achieve the low input offset voltage of the OP400 and eliminates

the need for offset nulling. The OP400 conforms to the industry-

standard quad pinout, which does not have null terminals.

The OP400 is pin-compatible with the LM148, HA4741,

RM4156, and LT1014 operational amplifiers and can be used to

upgrade systems having these devices. The OP400 is an ideal

choice for applications requiring multiple precision operational

amplifiers and where low power consumption is critical.

V+

BIAS

VOLTAGE

LIMITING

NETWORK

OUT

+IN

–IN

V–

Figure 3. Simplified Schematic (One of Four Amplifiers Is Shown)

Rev. E

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 ofthird parties that may result fromits 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

Fax: 781.461.3113

www.analog.com

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