NXP Semiconductors TDA1551Q
The TDA1551Q is an integrated class-B output amplifier encased in a 17-lead single-in-line plastic power package. The device contains 4 × 11 W single-ended (SE) or 2 × 22 W BTL amplifiers and is intended for use in car radio applications. July 1994 3 Philips Semiconductors Preliminary specification 2 x 22 W BTL car radio power amplifier with diagnostic facility PINNING SYMBOL −INV1 INV1 GND VPRR Vp1 OUT1 GND1 OUT2 SB OUT3 GND2 OUT4 Vp2 INV2 −INV2 SCL SDA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 PIN DESCRIPTION non-inverting input 1...FEATURES
● Requires very few external components● Flexible in use - quad, single ended or stereo BTL
● I2C-bus control
● Dynamic distortion detector
● Thermal protection
● Output status information
● Power supply dip detection
● High output power
● MUTE/sleep mode by writing to I2C-bus
● Stand-by mode
● Fixed gain
● Good ripple rejection
● Load dump protection
● AC/DC short circuit safe to ground and VP
● Reverse polarity safe
● Low offset voltage at output
● Capable of handling high energy at outputs (VP = 0 V) QUICK REFERENCE DATA SYMBOL VP VP IP Po Vno Po Vno ∆Vo PARAMETER supply voltage range supply voltage total quiescent current RL = 4 Ω; THD = 10 % RL = 2 Ω; THD = 10 % output voltage noise RS = 0 Ω RL = 4 Ω; THD = 10 % RS = 0 Ω Stereo BTL application output power output voltage noise DC output offset voltage − − − 22 70 − − − CONDITIONS operating non-operating 6 − − − − − MIN. − 80 TYP. 14.4
● Electrostatic discharge protection
● No switch-ON/switch-OFF plop
● Flexible leads
● Low thermal resistance TDA1551Q
● Identical inputs (inverting and non-inverting).