AKD4534中文資料旭化成微電子數(shù)據(jù)手冊PDF規(guī)格書

FEATURES

1. Resolution : 16bits

2. Recording Function

· 1ch Mono Input

· 1st MIC Amplifier : +20dB or 0dB

· 2nd Amplifier with ALC : +27.5dB ~ -8dB, 0.5dB Step

· ADC Performance : S/(N+D) : 79dB, DR, S/N : 83dB

3. Playback Function

· Digital De-emphasis Filter (tc=50/15ms, fs=32kHz, 44.1kHz, 48kHz)

· Digital Volume (0dB ~ -127dB, 0.5dB Step, Mute)

· Headphone-Amp

- S/(N+D) : 70dB, S/N : 90dB

- Output Power : 15mW@16W (HVDD=3.3V)

· Mono Speaker-Amp with ALC

- S/(N+D) : 64dB@250mW, 20dB@300mW, S/N : 90dB

- BTL Output

- Output Power : 300mW@8W (THD=10, HVDD=3.3V)

· Mono and Stereo Beep Inputs

· Mono Line Output

4. Power Management

5. Master Clock

(1) PLL Mode

· Frequencies : 11.2896MHz, 12MHz and 12.288MHz

· Input Level : CMOS

(2) External Clock Mode

· Frequencies : 2.048MHz ~ 12.288MHz

6. Output Master Clock Frequencies : 32fs/64fs/128fs/256fs

7. Sampling Rate

(1) PLL Mode

· 8kHz, 11.025kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz

(2) External Clock Mode

· 8kHz ~ 48kHz

8. Control mode: 4-wire Serial / I2C Bus

9. Master/Slave mode

10. Audio Interface Format : MSB First, 2’s compliment

· ADC : I2S, 16bit MSB justified

· DAC : I2S, 16bit MSB justified, 16bit LSB justified

11. Ta = -10 ~ 70°C

12. Power Supply: 2.4V ~ 3.6V (typ. 3.3V)

13. Power Supply Current

· AVDD+DVDD : 16mA

· PVDD : 1.2mA

· HVDD (HP-AMP=ON, SPK-AMP=OFF) : 6.5mA

· HVDD (HP-AMP=OFF, SPK-AMP=ON) : 9mA

14. Package : 52pin QFN