產品信息
描述
The WM8595 is a high performance multi-channel audio CODEC with flexible input/output selection and digital and analogue volume control. Features include a 24-bit stereo ADC with digital gain control, two 24-bit DACs with independent volume control and clocking, and a range of input/output channel selection options with analogue volume control for flexible routing within current and future audio systems.
The WM8595 has a six stereo input selector whICh accepts input levels up to 2Vrms. One stereo input can be selected through an input mux to be routed through to the ADC.
The WM8595 outputs two stereo audio channels at line levels up to 2Vrms, driven from independent DACs. The DAC channels include independent digital volume control, and both stereo output channels include analogue volume control with soft ramp.
The WM8595 supports up to 2Vrms analogue inputs, 2Vrms outputs, with sample rates from 32kHz to 192kHz on the DACs, and 32kHz to 96kHz on the ADC.
The WM8595 is controlLED via a serial interface with support for 2-wire and 3-wire control with full readback. Control of mute, emergency shutdown and reset can also be achieved by pin selection.
The WM8595 is ideal for audio applications requiring high performance and flexible routing options, including flat panel digital TV and DVD recorder.
The WM8595 is available in a 48-pin QFN package.
特色
- Multi-channel CODEC with 6 stereo input selector and 2 stereo output selector
- 4-channel DAC, 2-channel ADC
- 6x2Vrms stereo input selector to ADC
- 2x2Vrms stereo output
- Audio performance
- DAC: 100dB SNR typical (‘A’ weighted @ 48kHz)
- DAC: -87dB THD typical
- ADC: 96dB SNR typical (‘A’ weighted @ 48kHz)
- ADC: -80dB THD typical - Independent sampling rate for ADC and DACs possible
- DACs sampling frequency 32kHz – 192kHz
- ADC sampling frequency 32kHz – 96kHz
- DAC digital volume control +12dB to -100dB in 0.5dB steps
- ADC digital volume control from +30dB to -97dB in 0.5dB steps
- ADC input analogue boost control, selectable from 0dB, +3dB, +6dB and +12dB
- Output analogue volume control +6dB to -73.5dB in 0.5dB steps with zero cross or soft ramp to prevent pops and clicks
- Digital multiplexer to interface to multiple digital sources – DSP, HDMI, memory card
- 2-wire and 3-wire serial control interface with readback and hardware reset, mute and emergency shutdown pins
- ADC features master or slave clocking modes
- Programmable format audio data interface modes
- I2S, LJ, RJ, DSP
- 3.3V / 9V analogue, 3.3V digital supply operation - 48-pin QFN package
公司介紹
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聯系人：詹先生 (先生)
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