ssm2135p Analog Devices, Inc., ssm2135p Datasheet

ssm2135p

Manufacturer Part Number

ssm2135p

Description

Dual Single-supply Audio Operational Amplifier

Manufacturer

Analog Devices, Inc.

Datasheet

1.SSM2135P.pdf (16 pages)

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Company:

Meier Automation Equipment Co., Limited

Part Number:

SSM2135P

Manufacturer:

PMI

Quantity:

20 000

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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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ssm2135p Summary of contents

Page 1

... One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 Fax: 781/326-8703 Dual Single-Supply Audio Operational Amplifier SSM2135 PIN CONNECTIONS 8-Lead Narrow-Body SOIC (S Suffix) OUT A V+ –IN A OUT B SSM-2135 +IN A –IN B V–/GND + OUT V–/GND © 2003 Analog Devices, Inc. All rights reserved. * www.analog.com ...

Page 2

SSM2135–SPECIFICATIONS Parameter Symbol AUDIO PERFORMANCE Voltage Noise Density e Current Noise Density i n Signal-To-Noise Ratio SNR Headroom HR Total Harmonic Distortion THD+N DYNAMIC PERFORMANCE Slew Rate SR Gain Bandwidth Product GBW Settling Time t S INPUT CHARACTERISTICS Input Voltage ...

Page 3

ABSOLUTE MAXIMUM RATINGS Supply Voltage Single Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4

SSM2135–Typical Performance Characteristics 5V 500 F 2.5Vdc Test Circuit 1. Test Circuit for TPCs 1, 2, and 3 AUDIO PRECISION THD+N(%) VS. AMPL(V p-p) 1 0.1 0.010 0.001 0.0005 50m 0.1 TPC 1. THD+N vs. Amplitude (See Test Circuit 1; ...

Page 5

AUDIO PRECISION SMPTE(%) VS AMPL(V p- 0.1 0.010 0.001 50m 0.1 TPC 6. SMPTE Intermodulation Distortion ( kHz 100 TPC ...

Page 6

SSM2135 –20 –40 –60 –80 –100 105 –120 10 100 1k 10k FREQUENCY – Hz TPC 12. Crosstalk vs. Frequency (R 140 120 100 ...

Page 7

AVCL = +100 100 1k 10k FREQUENCY – Hz TPC 18. Output Impedance vs. Frequency ...

Page 8

SSM2135 600 –75 –50 – TEMPERATURE – C TPC 24. Open-Loop Gain vs. Temperature ...

Page 9

APPLICATION CIRCUITS Low Noise Stereo Headphone Driver Amplifier Figure 1 shows the SSM2135 used in a stereo headphone driver for multimedia applications with the AD1848, a 16-bit stereo codec. The SSM2135 is equally well suited for the serial-bused AD1849 stereo ...

Page 10

SSM2135 DGND VBR 18-Bit Stereo CD-DAC Output Amplifier The SSM2135 makes an ideal single-supply stereo output amplifier for audio D/A converters because of its low noise and distortion. Figure 5 shows the implementation ...

Page 11

2. 100k 1/2 SSM2135 R2 5k Figure 8. Pseudo-Reference Generator Digital Volume Control Circuit Working in conjunction with the AD7528/PM7528 dual 8-bit D/A converter, the SSM2135 ...

Page 12

... SSM2135 SPICE MACROMODEL * SSM2135 SPICE Macro-Model 9/92, Rev JCB/ADI *Copyright 1993 by Analog Devices, Inc. * *Node Assignments * * Noninverting Input * Inverting Input * Positive Supply * * .SUBCKT SSM2135 INPUT STAGE 1.5E3 1.5E3 5.311E– 106E–6 IOS 2 3 25E–09 EOS ...

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ssm2135p Analog Devices, Inc., ssm2135p Datasheet

ssm2135p

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ssm2135p Summary of contents

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