Description

TDA7561A 4x45W Quad Bridge Power Amplifier

Overview
The TDA7561A is a quad bridge power amplifier, designed for high power car radio applications, capable of delivering 4x45W of output power. The device is housed in a 17+17 pin HTSSOP package with exposed pad up (EP).

Features

• High output power capability: 4x45W
• High current capability: 15A
• Low distortion: 0.1%
• Low output noise: 50μV
• Low standby current: 0.5mA
• Mute and standby functions
• Diagnostics (overtemperature, short circuit on VP, loads)
• Thermal overload protection

Thermal Data

• Junction-ambient thermal resistance: 38°C/W
• Junction-case thermal resistance: 3.5°C/W
• ambient-operating temperature range: -40°C to +150°C

Electrical Characteristics

• VP supply voltage: 14.4V
• f = 1kHz, THD = 10%, RL = 4Ω, outputs connected in BTL configuration
• PO = 4x45W, THD = 10%
• ICC(q) = 15A, VCC = 14.4V
• ICC(st-by) = 0.5mA, VCC = 14.4V

Pin Configuration

Pin 1-8: IN1-IN4 (input channels)
Pin 9-16: OUT1-OUT4 (output channels)
Pin 17: VCC (supply voltage)
Pin 18-34: GND (ground)
Pin 35: ST-BY (standby)
Pin 36: MUTE (mute)

Package Information

• Package type: HTSSOP
• Number of leads: 17+17
• Exposed pad: up (EP)
• Package dimensions: 6.6mm x 11.6mm x 0.85mm

Ordering Information

• Part number: TDA7561AEP-HLX-ST
• Package type: HTSSOP
• Number of leads: 17+17
• Exposed pad: up (EP)