Datasheet Small-sized Class-D Speaker Amplifiers Analog Input Monaural Class-D Speaker Amplifier BD5469GUL General Description Key Specifications BD5469GUL is a monaural Class-D speaker amplifier that Supply Voltage Range: 2.5V to 5.5V has integrated ALC function suitable for mobile phones, THD+N: 0.2%(0.3W, R =8, Typ) L portable type electronic devices, etc. LC filter at the Switching Frequency: 250kHz(Typ) speaker output is not needed. The IC forms a monaural Shutdown Current: 0.01A (Typ) speaker amplifier using just 3 external components. ALC, Operating Temperature Range: -40C to +85C short for Automatic Level Control, is a function that automatically adjusts the level of suppression to avoid Package W(Typ) x D(Typ) x H(Max) distortion (clipping) of the output waveform during VCSP50L1 1.70mm x 1.70mm x 0.55mm excessive input. The time until the suppression of the output level is released is called the release time (or recovery time). This IC has a typical release time of 262ms/1dB which suits music play applications. Through Class-D operation, the IC can achieve high efficiency and low power consumption which makes it suitable for battery driven applications. The current consumption in shutdown mode is lowered to 0.01A(Typ). Startup time from shutdown mode to active mode is fast and pop noise is minimized which enables it to withstand repeated active and shutdown modes. Features VCSP50L1 Integrated Digital ALC (Automatic Level Control) Function. External parts : 3 components. Ultra slim type package: 9 pin WL-CSP(1.71.70.55mmMax). Pin Compatible Specs. Typical Application Circuit BD5460/61GUL VDD (No ALC Function, Fixed Output Gain) VDD BD5465/66/68GUL (ALC Function, Fixed Output Gain) ALC release (recovery) time : 262ms/1dB (Typ). VDD SDNB Output Power Limit OUT+ : 0.88W (Typ) V =4.2V, R =8, THD+N 1% DD L : 0.9W (Typ) V =3.7V, R =6, THD+N 1% IN+ DD L Diff. Input : 0.64W (Typ) V =3.6V, R =8, THD+N 1% DD L IN- Audio Analog Input (has option for either single-end OUT- input or differential input). GND No need for output LC filter Pop noise suppression circuit Shutdown Mode (used as mute at the same time) low shutdown current = 0.01A (Typ) Built-in protection circuits: output short protection, high temperature protection, under voltage protection Applications Mobile Phones, Portable Audio Devices, PND, DSC, Note-PC etc. Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays .www .rohm.com TSZ02201-0C1C0E700150-1-2 2014 ROHM Co., Ltd. All rights reserved. 1/22 TSZ22111 14 001 2014.04.04 Rev.001 BDD5469GUL Pin Configuration (Bottom View) C 1 C 2 C 3 IN - S D N B O U T + B 1 B 2 B 3 VD D PV D D PG N D Index P ost A 1 A 2 A 3 IN + G N D O U T - Pin Descriptions Pin No. Pin Name Function A1 IN+ Audio differential input positive terminal A2 GND GND terminal (signal) A3 OUT- Class-D BTL output negative terminal B1 VDD VDD terminal (signal) B2 PVDD VDD terminal (power) B3 PGND GND terminal (power) C1 IN- Audio differential input negative terminal C2 SDNB Shutdown control terminal C3 OUT+ Class-D BTL output positive terminal Block Diagram B1 B2 VDD PVDD SDNB Shutdown BIAS C2 Control OSC VDD ALC IN+ OUT- Ri Rf A1 A3 H- PWM Bridge OUT+ IN- C1 C3 Ri Rf A2 B3 GND PGND www.rohm.com TSZ02201-0C1C0E700150-1-2 2014 ROHM Co., Ltd. All rights reserved. 2/22 TSZ22111 15 001 2014.04.04 Rev.001