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AK5356VN Datasheet(PDF) 1 Page - Asahi Kasei Microsystems |
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AK5356VN Datasheet(HTML) 1 Page - Asahi Kasei Microsystems |
1 / 22 page ASAHI KASEI [AK5356] MS0171-E-00 2002/08 - 1 - GENERAL DESCRIPTION The AK5356 is a low voltage 20bit A/D converter for digital audio system. The AK5356 also includes microphone amplifier and analog input PGA, making it suitable for microphone applications or low-input signal levels. As digital power supply of the AK5356 corresponds to 1.8V, the interface with microprocessor can operate at low voltage. The AK5356 is housed in a space-saving 28-pin QFN package. FEATURES 1. MIC Block • MIC Power • Pre-Amplifier (+13dB / +18dB / +28dB / +33dB) 2. 20bit 2ch ADC • 2-Input Stereo Selector • Analog Input PGA: +28dB ∼ - 52dB, Mute • S/(N+D): 84dB • DR, S/N: 89dB • Monaural Mixing • Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz) 3. 3-wire Serial Control I/F 4. Master Clock: 256fs/384fs 5. Audio Data Format: MSB First, 2’s compliment • 16/20bit MSB justified or 16/20bit I2S compatible 6. Power Supply Voltage • AVDD: 2.0 ∼ 3.3V • MVDD: 2.4 ∼ 3.3V • DVDD: 1.8 ∼ 3.3V 7. Power Supply Current • MIC Block: 3.4mA • IPGA+ADC: 6mA 8. Ta = - 40 ∼ 85°C 9. Package: 28pin QFN Low Power 20-Bit ADC with MIC-Amp & PGA AK5356 |
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