Analog Devices SSM2301 - Filterless High Efficiency Mono 1.4 W Class-D Audio Amplifier
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SSM2301 Filterless High Efficiency Mono 1.4 W Class-D Audio Amplifier

Data Sheets
Application Notes Evaluation Boards pdf(502k) Price, Packaging, and Availability
Product Description
The SSM2301 is a fully integrated, high efficiency, Class-D audio amplifier designed to maximize performance for mobile phone applications. The application circuit requires a minimum of external...More
 Specifications
Min Pos Supply +2.5V
Max Pos Supply +5V
Supply Current (max) 4.2mA
Output Power (W) 1.4W
Efficiency (%) 85%
SNR (dB) 98dB
THD+N @ 1kHz (%) 1%
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 Functional Block Diagram Enlarge
SSM2301 Functional Block Diagram
Symbols and Footprints
 Other Diagrams: Pin Out Diagram
 Features
  • Filterless Class-D amplifier with Σ-Δ modulation
  • No sync necessary when using multiple Class-D amplifiers from Analog Devices, Inc.
  • 1.4 W into 8 Ω at 5.0 V supply with less than 1% THD + N
  • 85% efficiency at 5.0 V, 1.4 W into 8 Ω speaker
  • Greater than 98 dB SNR (signal-to-noise ratio)
  • Single-supply operation from 2.5 V to 5.0 V
  • 20 nA ultralow shutdown current
  • Short-circuit and thermal protection
  • Available in 8-lead, 3 mm × 3 mm LFCSP and MSOP packages
  • Pop-and-click suppression
  • Built-in resistors reduce board component count
  • Fixed and user-adjustable gain configurations
 

 

 
Price, Packaging, and AvailabilityPrint Table
SSM2301 Model Options
Model Status Package Pins Temp
Range
Price*
(1000 pcs.)
Available RoHS Compliant Samples
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SSM2301-EVALZ Prodn EVALUATION BOARDS - Ind $50.50 10/10/2008Y Contact ADIAdd to Cart
SSM2301-MINI-EVALZ Prodn EVALUATION BOARDS - Ind $50.50 10/10/2008Y Contact ADIAdd to Cart
SSM2301CPZ-REEL Prodn 8 ld LFCSP (3x3mm) 8 Ind - 10/10/2008Y
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SSM2301CPZ-REEL7 Prodn 8 ld LFCSP (3x3mm) 8 Ind $0.68 10/10/2008Y
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SSM2301RMZ-REEL Prodn MICRO SOIC 8 Ind $0.45 11/21/2008Y
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SSM2301RMZ-REEL7 Prodn MICRO SOIC 8 Ind $0.45 10/31/2008Y
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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. View Samples Cart View Purchase Cart
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Download this Selection Table
(pdf, 113,704 bytes)
Last Updated: 5/2008

Class D Audio Amplifiers

Part# Channel Output
Power (W)
Efficiency (%) Dynamic
Range (dB)
SNR (dB) THD+N (dB) Pos Supply Supply Current
AD1990 2 5 84 102 102 -90 5V analog
5V digital
8V-12V
Power stage
30mA @12V
AD1992 2 10 84 102 102 -90 5V analog
5V digital
8V-20V
Power stage
30mA @12V
AD1994 2 25 84 102 102 -90 5V analog
5V digital
8V-20V
Power stage
30mA @12V
ADAU1590 2 11.5 (6Ω) 87 101 101 -85 3.3V analog
3.3V digital
9V-15V
Power stage
34mA @12V
ADAU1592 2 18 (6Ω) 87 101 101 -85 3.3V analog
3.3V digital
9V-18V
Power stage
44mA @15V
SSM2301 1 1.4 85 - 98 -67 2.5V-5.5V 4.2mA @5V
SSM2311 1 3 85 - 98 -67 2.5V-5.5V 4.2mA @5V
SSM2302 2 1.4 85 - 98 -67 2.5V-5.5V 8.0mA @5V
SSM2304 2 2 85 - 98 -67 2.5V-5.5V 7.0mA @5V
SSM2306 2 2 87 - 98 -67 2.5V-5.5V 6.5mA @5V
SSM2305 1 2 89 - 98 -67 2.5V-5.5V 3mA @5V
SSM2317 1 2.7 92 - 98 -67 2.5V-5.5V 3mA @5V
SSM2315 1 3 92 - 98 -67 2.5V-5.5V 3mA @5V
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Class D Audio Output Power Stage

Part# Channel Output Power (W) Efficiency (%) Dynamic
Range (dB)
SNR (dB) Pos Supply min Load
Impedance (Ω)
AD1991 2 20 87 - - 6.5V to 20V 4
ADAU1513 2 14.5 (8Ω) 90 (8Ω) 96 96 9V to 18V 4
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Portable Audio Products

Part # Speaker Driver Headphone Driver Microphone Driver Features
Stereo Mono Stereo Mono Stereo Mono
SSM2301   X         1.4W mono Filterless class D
SSM2302 X           1.4W Stereo Filterless Class D
SSM2304 X           2W Stereo Filterless Class D
SSM2306 X           2W Stereo Filterless Class D with extra low power consumption
SSM2311   X         3W Mono Filterless Class D
SSM2305   X         2W mono Filterless Class D with extra low power consumption
SSM2315   X         3W Mono Filterless Class D with extra low power consumption
SSM2317   X         2.7W Mono Filterless Class D with ALC
SSM2211   X         2W mono speaker driver
SSM2250   X X       2W monospeaker and stereo headphone driver
SSM2167           X Microphone driver with noise gate
AD8592     X       Stereo Headphone driver with shutdown
AD8541           X Ultra low power mic driver
AD8542         X   Stereo mic driver
AD8544         X   Ultra low power mic driver
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Audio Amplifier Products

Part# Common Mode Rejection (dB) THD+N Gain Error PSRR Slew Rate (V/ms) Description
SSM2141 100 0.0010% 0.001% 0.7µV/V 9.5 Differential Line Receiver
SSM2142 n/a 0.0060% 0.700% 80dB 15 Balanced Line Driver
SSM2143 90 0.0006% 0.03% 110dB 10 Differential Line Receiver
SSM2160 n/a 0.01% 0.5dB n/a n/a 6-Channel Volume Control
SSM2165 n/a 0.20% n/a 50dB n/a Mic Conditioner w/Noise Gate
SSM2166 n/a 0.25% n/a 50dB n/a Mic Conditioner w/Noise Gate
SSM2019 130 0.01% 0.1dB 124dB 16 Complete Pre Amp
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