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Audio Amplifiers

Description
Analog Devices is a leader in audio signal processing. Delivering audiophile performance with its proven analog and digital technology, ADI offers a wide range of audio amplifiers, including industry-leading microphone preamps, microphone drivers, line drivers and receivers. ADI’s audio amplifier products also include Class A/B and Class D offerings, along with a breadth of power ICs.
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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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