50 MHz, Precision, Low Distortion,

Low Noise CMOS Amplifiers

Data Sheet

AD8651/AD8652

Rev. D

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FEATURES

Bandwidth: 50 MHz at 5 V

Low noise: 4.5 nV/√Hz

Offset voltage: 100 μV typical, specified over

entire common-mode range

Slew rate: 41 V/μs

Rail-to-rail input and output swing

Input bias current: 1 pA

Single-supply operation: 2.7 V to 5.5 V

Space-saving MSOP and SOIC_N packaging

APPLICATIONS

Optical communications

Laser source drivers/controllers

Broadband communications

High speed ADCs and DACs

Microwave link interface

Cell phone PA control

Video line drivers

Audio

PIN CONFIGURATIONS

NC

1

–IN

2

+IN

3

4

NC

8

7

OUT

6

NC

5

NC = NO CONNECT

AD8651

TOP VIEW

(Not to Scale)

4

8

OUT B

7

–IN B

6

+IN B

5

AD8652

TOP VIEW

(Not to Scale)

Figure 1. 8-Lead MSOP (RM-8)

Figure 2. 8-Lead MSOP (RM-8)

NC

1

–IN

2

+IN

3

4

NC

8

7

OUT

6

NC

5

NC = NO CONNECT

AD8651

TOP VIEW

(Not to Scale)

4

8

OUT B

7

–IN B

6

+IN B

5

AD8652

TOP VIEW

(Not to Scale)

Figure 3. 8-Lead SOIC_N (R-8)

Figure 4. 8-Lead SOIC_N (R-8)

GENERAL DESCRIPTION

The AD865x family consists of high precision, low noise, low

distortion, rail-to-rail CMOS operational amplifiers that run

from a single-supply voltage of 2.7 V to 5.5 V.

The AD865x family is made up of rail-to-rail input and output

amplifiers with a gain bandwidth of 50 MHz and a typical

voltage offset of 100 μV across common mode from a 5 V

supply. It also features low noise—4.5 nV/√Hz.

The AD865x family can be used in communications applications,

such as cell phone transmission power control, fiber optic

networking, wireless networking, and video line drivers.

The AD865x family features the newest generation of DigiTrim®

in-package trimming. This new generation measures and corrects

the offset over the entire input common-mode range, providing

rail amplifiers. Offset voltage and CMRR are both specified and

guaranteed over the entire common-mode range as well as over

the extended industrial temperature range.

The AD865x family is offered in the narrow 8-lead SOIC

package and the 8-lead MSOP package. The amplifiers are

specified over the extended industrial temperature range

(−40°C to +125°C).