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SSM2143:  -6 dB Differential Line Receiver

Product Details


The SSM2143 is an integrated differential amplifier intended to receive balanced line inputs in audio applications requiring a high level of immunity from common-mode noise. The device provides a typical 90 dB of common-mode rejection (CMR), which is achieved by laser trimming of resistances to better than 0.005%.

Additional features of the device include a slew rate of 10 V/µs and wide bandwidth. Total harmonic distortion (THD) is less than 0.004% over the full audio band, even while driving low impedance loads. The SSM2143 input stage is designed to handle input signals as large as +28 dBu at G = 1/2. Although primarily intended for G = 1/2 applications, a gain of 2 can be realized by reversing the +IN/-IN and SENSE/REFERENCE connections.

When configured for a gain of 1/2, the SSM2143 and SSM2142 Balanced Line Driver provide a fully integrated, unity gain solution to driving audio signals over long cable runs. For similar performance with G = 1, see SSM2141.

FEATURES and BENEFITS

  • High Common-Mode Rejection
    DC: 90 dB typ
    60 Hz: 90 dB typ
    20 kHz: 85 dB typ
  • Ultralow THD: 0.0006% typ @ 1 kHz
  • Fast Slew Rate: 10 V/ms typ
  • Wide Bandwidth: 7 MHz typ (G = 1/2)
  • Two Gain Levels Available: G = 1/2 or 2
  • Low Cost

Functional Block Diagram for SSM2143

Documentation

Title Content Type File Type
SSM2143: -6 dB Differential Line Receiver Data Sheet (Rev A, 06/2011) (pdf, 364 kB) Data Sheets PDF
AN-938: Digital and Analog Measurement Units for Digital CMOS Microphone Preamplifier ASICs  (pdf, 75 kB) Application Notes PDF
AN-349: Keys to Longer Life for CMOS  (pdf, 89 kB)
Here's How CMOS Can be Protected Against Abuse
Application Notes PDF
AN-211: The Alexander Current-Feedback Audio Power Amplifier  (pdf, 1154 kB) Application Notes PDF
Audio Processors, Amplifiers Deliver Complete HDTV Audio Subsystem
(EE Times, 10/1/2007)
Product Reviews HTML
ADI: Analog Essential To HDTV Experience
(Electronic Design, 10/1/2007)
Product Reviews HTML
Analog Devices in Advanced TV Overview HTML
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

SSM2143 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
SSM2143PZ Status: Production 8 ld PDIP 8 Ind Tube, 50 $1.84 $1.66 Y  Material Info PCN Purchase
SSM2143SZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.84 $1.66 Y  Material Info PCN Purchase
SSM2143SZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.66 Y  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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