SSM2135S Analog Devices, SSM2135S Datasheet

SSM2135S

Manufacturer Part Number

SSM2135S

Description

Manufacturer

Analog Devices

Datasheet

1.SSM2135S.pdf (16 pages)

Specifications of SSM2135S

Case

SOP8

04+

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GENERAL DESCRIPTION

The SSM2135 Dual Audio Operational Amplifier permits excel-

lent performance in portable or low power audio systems, with

an operating supply range of +4 V to +36 V or ± 2 V to ± 18 V.

The unity gain stable device has very low voltage noise of

4.7 nV/÷Hz, and total harmonic distortion plus noise below 0.01%

over normal signal levels and loads. Such characteristics are

enhanced by wide output swing and load drive capability. A unique

output stage

moderate load conditions. Under severe loading, the SSM2135

still maintains a wide output swing with ultralow distortion.

*Protected by U.S. Patent No. 5,146,181.

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 of third parties that

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

FEATURES

Excellent Sonic Characteristics

High Output Drive Capability

5.2 nV/÷Hz Equivalent Input Noise @ 1 kHz

0.001% THD+N (V

3.5 MHz Gain Bandwidth

Unity-Gain Stable

Low Cost

APPLICATIONS

Multimedia Audio Systems

Microphone Preamplifier

Headphone Driver

Differential Line Receiver

Balanced Line Driver

Audio ADC Input Buffer

Audio DAC l-V Converter and Filter

Pseudo-Ground Generator

permits output swing approaching the rail under

= 2.5 V p-p @ 1 kHz)

+IN

–IN

FUNCTIONAL BLOCK DIAGRAM

Particularly well suited for computer audio systems and portable

digital audio units, the SSM2135 can perform preamplification,

headphone and speaker driving, and balanced line driving and

receiving. Additionally, the device is ideal for input signal condi-

tioning in single-supply, sigma-delta, analog-to-digital converter

subsystems such as the AD1878/AD1879.

The SSM2135 is available in an 8-lead plastic SOIC package

and is guaranteed for operation over the extended industrial

temperature range of –40∞C to +85∞C.

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

Tel: 781/329-4700

Fax: 781/326-8703

Audio Operational Amplifier

8-Lead Narrow-Body SOIC

V–/GND

OUT A

+IN A

–IN A

PIN CONNECTIONS

Dual Single-Supply

V+

OUT

V–/GND

(S Suffix)

SSM-2135

SSM2135

+IN B

V+

OUT B

–IN B

www.analog.com

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