ADAU1513:  Class-D Audio Power Stage

The ADAU1513 is a 2-channel bridge-tied load (BTL) Class-D audio power stage. The power stage can drive the speaker loads of 4 Ω at up to 15 W per channel at high efficiency. The 4-channel audio ...More

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ADAU1513:  Class-D Audio Power Stage

Product Description

The ADAU1513 is a 2-channel bridge-tied load (BTL) Class-D audio power stage. The power stage can drive the speaker loads of 4 Ω at up to 15 W per channel at high efficiency. The 4-channel audio system can be formed when used with an ADAV4201 pulse-width modulator (PWM) processor using two ADAU1513s. The power stage accepts a 3.3 V logic differential PWM as input from an ADAV4201 processor. The power stage comprises thermal and output short-circuit protection with logic-level error flag outputs for interfacing to a system microcontroller along with reset and mute control of the power stage. The power stage operates from a range of power supply voltages from 9 V up to 18 V. The low power digital logic operates from a 3.3 V supply. The power stage can be used with modulators other than the ADAV4201. Contact your local sales department for application assistance.

Applications

  • Flat panel televisions
  • PC audio systems
  • Mini components


Features

  • Integrated stereo power stage
  • RDS-ON < 0.3 Ω (per transistor)
  • Efficiency > 90%
  • Short-circuit protection
  • Overtemperature protection

Diagrams

ADAU1513 Diagram
Functional Block Diagram for ADAU1513

Specifications

Output Power (W) 23W
Efficiency (%) 90%
Dynamic Range (dB) 96dB
SNR (dB) 96dB
Pos Supply +3V to +3.6V
Supply Current (max) 43.1mA

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Part# Output Power (W) Efficiency (%) Dynamic Range (dB) SNR (dB) THD+N (dB) Pos Supply Supply Current (max) Price* (1000-4999)
AD1990 5 84 102 102 -90 +8V to +12V 30mA -
AD1991 20 87 - - - +4.5V to +5.5V 2.75mA $8.00
AD1992 10 84 102 102 -90 +8V to +20V 30mA -
AD1994 25 84 102 102 -90 +8V to +20V 30mA -
ADAU1513 23 90 96 96 - +3V to +3.6V 43.1mA $3.15
ADAU1590 15.5 90 101 101 - +3V to +3.6V 60µA $3.49
ADAU1592 18 87 101 101 -85 +9V to +18V 44mA $3.66
SSM2301 1.4 85 - 98 - +2.5V to +5V 4.2mA $0.45
SSM2302 2 85 - 98 -67 +2.5V to +5V - $0.92
SSM2304 2 85 - 102 -67 +2.5V to +5V 7mA $0.81
SSM2305 2.8 89 - 98 +-94 +2.5V to +5.5V 3.3mA $0.60
SSM2306 2 87 - 96 - +2.5V to +5V 6.5mA $0.99
SSM2311 3 85 - 98 -67 +2.5V to +5.5V 4.2mA $0.73
SSM2315 3 93 - 103 - +2.5V to +5.5V 3.3mA $0.82
SSM2317 3 93 - 93 - +2.5V to +5.5V 4.07mA $0.91
SSM2319 3 90 - 98 - +2.5V to +5.5V 3.7mA