Product Summary

The TDA8551 is a one channel 1 W Bridge-Tied Load (BTL) audio power amplifier capable of delivering 1 W output power to an 8 W 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 TDA8551 comes in an 8 pin SO package and the TDA8551 in a 8 pin DIP package. Applications are (1)Portable consumer products; (2)Personal computers; (3)Telephony.

Parametrics

TDA8551 absolute maximum ratings: (1)Supply voltage: -0.3 +5.5 V; (2)Input voltage: -0.3 VP + 0.3 V; (3)Repetitive peak output current: 1 A; (4)Storage temperature: -55 +150 °C; (5)Operating temperature: -40 +85 °C; (6)AC and DC short-circuit safe voltage: 5.5 V; (7)Maximum power dissipation SO8: 0.8 W; (8)Maximum power dissipation DIP8: 1.2 W.

Features

TDA8551 features: (1)One pin digital volume control; (2)Volume setting with UP/DOWN pulses; (3)Flexibility in use; (4)Few external components; (5)Low saturation voltage of output stage; (6)standby mode controlled by CMOS compatible levels; (7)Low standby current; (8)No switch-on/switch-off plops; (9)High supply voltage ripple rejection; (10)Protected against electrostatic discharge; (11)Outputs short circuit safe to ground, VP and across the load; (12)Thermally protected.

Diagrams

TDA8551 pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
TDA8551
TDA8551

Other


Data Sheet

Negotiable 
TDA8551T
TDA8551T

Other


Data Sheet

Negotiable 
TDA8551T/N1,112
TDA8551T/N1,112

NXP Semiconductors

Audio Amplifiers 1W CMOS PWR AMP VOL CTRL

Data Sheet

0-1: $0.74
1-25: $0.67
25-100: $0.59
100-250: $0.52
TDA8551T/N1,118
TDA8551T/N1,118

NXP Semiconductors

Audio Amplifiers 1W CMOS AMP+VOLCTR

Data Sheet

0-1790: $0.34
1790-2500: $0.34
2500-3000: $0.32
3000-6000: $0.31