OP215

更新时间： 2024-09-27 21:54:23

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
8页	162K
描述
Dual Precision JFET-Input Operational Amplifier

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数据手册

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OP215 数据手册

Dual Precision JFET-Input

Operational Amplifier

OP215

FEATURES

High Slew Rate: 10 V/ꢀs Min

Fast Settling Time: 0.9 ꢀs to 0.1% Type

Low Input Offset Voltage Drift: 10 ꢀV/ꢁC Max

Wide Bandwidth: 3.5 MHz Min

Temperature-Compensated Input Bias Currents

Guaranteed Input Bias Current: 18 nA Max (125ꢁC)

Bias Current Specified Warmed Up over Temperature

Low Input Noise Current: 0.01 pA/÷Hz Type

High Common-Mode Rejection Ratio 86 dB Min

Pin Compatible with Standard Dual Pinouts

Models with MIL-STD-883 Class B Processing Available

GENERAL DESCRIPTION

at elevated temperature. Thus, the OP215 features an input bias

current of 1.4 nA at 70∞C ambient (not junction) temperature

which greatly extends the application usefulness of this device.

The OP215 offers the proven JFET-input performance advantages

of high speed and low input bias current with the tracking and

convenience advantages of a dual op amp configuration.

Applications include high-speed amplifiers for current output

DACs, active filters, sample-and-hold buffers, and photocell

amplifiers. For additional precision JFET op amps, see the

OP249 and AD712 data sheets.

Low input offset voltages, low input currents, and low drift are

featured in these high-speed amplifiers.

On-chip zener-zap trimming is used to achieve low V_OS,while a

bias-current compensation scheme gives a low input bias current

V+

NOTE

Q10

R7, R8 ARE ELECTRONICALLY ADJUSTED

NULL

ON-CHIP FOR MINIMUM OFFSET VOLTAGE

J8 J7

Q19

Q24

Q17

NOMINV

INPUT+

J11

R13

Q22

Q25

–INV

7.4pF

INPUT

OUTPUT

R10

Q12

Q18

J10

Q23

3.6

kꢂ

3.6kꢂ

Q14

Q11

Q13

Q21

Q15

Q20

7.4

Q16

R11

R12

V–

Figure 1. Simplified Schematic (1/2 OP215)

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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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: 781/329-4700

Fax: 781/326-8703

www.analog.com

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