AMT 4453
Ultra-low-power Stereo Audio Codec
The AMT4453 is a highly adaptable, low-power stereo audio codec designed for modern audio systems. Operating on low voltage, it features programmable I/Os, customizable signal routing, and a suite of predefined and configurable processing blocks. With an integrated PLL, LDO stabilizers, and flexible digital interfaces, the AMT4453 delivers powerful performance in a compact and energy-efficient package—ideal for applications that demand both precision and versatility.
Product Specifications:
– Low-power
○ 10.2mW stereo 48KHz playback with 3.3V analogue power supply
○ Analog: 1.9V-3.6V
○ Digital Core: 1.26V-1.95V
○ Digital I/O: 1.1V-3.6V
○ -40°C to 85°C temperature range
– Stereo audio DAC
○ 100dBA signal-to-noise ratio
○ Supports rates from 8KHz to 96 kHz
○ Digital signal processing and noise filtering available during record
– Six single-ended or 3 fully-differential analogue input pins
– Very low noise PGA
– Integrated LDO
– Four audio output drivers:
○ Stereo fully differential or single-ended headphone drivers
○ Fully differential stereo line outputs
– Automatic gain control for record
– Communication interfaces
○ Control SPI or I2C
○ Audio serial data bus supports I2S, left- and right-justified, DSP, and TDM modes
