Analog Input Monaural Class-D Speaker Amplifier
These monaural Class D speaker amps have ALC function, and are compatible with differential analog input, making them optimized for a wide variety of applications, from portable devices such as mobile phones and laptop computers to home appliances and healthcare equipment with built-in speech synthesis. In addition, an efficiency of 90% contributes to lower heat generation and greater energy conservation.
For Automotive usage, please contact Sales.
Features:・Contains Digital ALC (Automatic Level Control) Function
・External Parts: 3 points
・Ultra slim type package: 9pin WL-CSP (1.8×1.8×0.55mmMax.)
・BD5460 / 61GUL (No ALC Function, Gain Fixed Goods) Pin Compatible Specs
BD5466 / 67 / 68GUL (ALC Function, Gain Fixed Goods) Pin Compatible Specs
・Maximum Gain: 12 dB (Typ.) [during ALC operation, +12～-3dB@1dB Step]
・ALC limit level control type : Fixed type doesn’t follow up power supply
・Limit output power: 0.6W (Typ.) [VDD=3.4～5.5V, RL=8Ω]
・ALC release (recovery) time: 560ms/1dB (Typ.)
・Audio Analog Input (corresponds to single-end input / differential input)
・Output LC filter free
・Pop noise suppression circuit
・Shutdown Function (use as mute at the same time) [low shutdown current = 0.01μA (Typ.)]
・Contains protection circuit: output short, thermal shutdown, under voltage lockout (UVLO)
- Evaluation Board
BD546xGUL series, BD27400GUL are a wafer-level CSP packaged low voltage monaural Class-D speaker amplifier for mobile phone, portable type electric devices. BD5460/61GUL are a fixed gain type. BD27400GUL is a variable gain type, BD5465/66/67/68/69GUL are fixed gain with ALC type.