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AD5354 Scheda tecnica(PDF) 1 Page - Asahi Kasei Microsystems |
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AD5354 Scheda tecnica(HTML) 1 Page - Asahi Kasei Microsystems |
1 / 19 page ASAHI KASEI [AK5354] MS0054-E-02 2004/12 - 1 - FEATURES The AK5354 is a low voltage 20bit A/D converter for digital audio system. The AK5354 also includes Analog input PGA, therefore is suitable for microphone application and etc. As digital power supply of the AK5354 corresponds to 1.8V, the interface with microprocessor can operate at low voltage. Analog signal input of the AK5354 is single-ended, therefore, any external filters are not required. As the package is 16pin TSSOP, the AK5354 is a suitable for minimizing system. FEATURES 1. Resolution : 20bits 2. Recording Functions • 2-Stereo Inputs Selector • Analog Input PGA • Monaural Mixing • Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz) 3. ADC Characteristics • Input Level : 1.5Vpp@VA=2.5V (= 0.6 x VA) • S/(N+D) : 84dB • DR, S/N : 89dB 4. 3-wire Serial Control I/F 5. Master Clock : 256fs/384fs 6. Audio Data Format : MSB First, 2’s compliment • 20bit MSB justified or I2S 8. Power Supply • VA : 2.1 ∼ 3.3V (typ. 2.5V) • VD : 1.8 ∼ 3.3V (typ. 2.5V) 9. Power Supply Current • IPGA + ADC : 7mA 10. Ta = -40 ∼ 85°C 11. Package : 16pin TSSOP LIN1 VCOM VA VSS CSN CCLK CDTI MCLK SDTO BCLK LRCK VD ADC HPF Audio I/F Controller Control Register I/F Clock Divider PDN LIN2 RIN1 RIN2 IPGA Low Power 20bit ∆Σ ADC with PGA AK5354 |
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