FEATURES:
One pin digital volume control
Volume setting with UP/DOWN pulses
Flexibility in use
Few external components
Low saturation voltage of output stage
Standby mode controlled by CMOS compatible levels
Low standby current
No switch-on/switch-off plops
High supply voltage ripple rejection
Protected against electrostatic discharge
Outputs short circuit safe to ground, VP and across the load
Thermally protected.
GENERAL DESCRIPTION:
The TDA8551; TDA8551T is a one channel 1 W Bridge-Tied Load (BTL) audio power amplifier capable of delivering 1 W output power to an 8 Ω load at THD = 10% using a 5 V power supply. The circuit contains a BTL power amplifier, a digital volume control and standby/mute logic. The TDA8551T comes in an 8 pin SO package and the TDA8551 in a 8 pin DIP package.
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| Circuit diagram for 1 W BTL audio amplifier with digital volume control |
