AK4951AEN Datasheet, PDF (2/105 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/HP/SPK-AMP

[AK4951A]
2. Playback Functions
 Digital ALC (Automatic Level Control)
- Setting Range: +36dB ~ 52.5dB, 0.375dB Step & Mute
 Sidetone Mixer & Volume Control (0dB ~ 18dB, 6dB Step)
 Digital Volume Control
- +12dB ~ 89.5dB, 0.5dB Step & Mute
 Capacitor-less Stereo Headphone Amplifier
- HP-Amplifier Performance: S/(N+D): 75dB@20mW, S/N: 97dB
- Output Power: 20mW@16
- Pop Noise Free at Power-ON/OFF
 Mono Speaker Amplifier (with Stereo Line Output Switch)
- Speaker Amplifier Porformance: S/(N+D): 75dB@250mW, S/N: 99dB
- BTL Output
- Output Power: 400mW@8 (SVDD=3.3V), 1W@8 (SVDD=5V)
 Analog Mixing: BEEP Input
3. Power Management
4. Master Clock:
(1) PLL Mode
Frequencies: 11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 16MH, 24MHz, 27MHz
(MCKI pin), 32fs or 64fs (BICK pin)
(2) External Clock Mode
Frequencies: 256fs, 384fs, 512fs or 1024fs (MCKI pin)
5. Sampling Frequencies
 PLL Master Mode:
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
 PLL Slave Mode (BICK pin): 8kHz ~ 48kHz
 EXT Master/Slave Mode:
8kHz ~ 48kHz (256fs, 384fs, 512fs), 8kHz  24kHz (1024fs)
6. Master/Slave Mode
7. Audio Interface Format: MSB First, 2’s complement
 ADC: 16/24bit MSB justified, 16/24bit I²S
 DAC: 16/24bit MSB justified, 16bit LSB justified, 24bit LSB justified, 16/24bit I²S
8. P I/F: I²C Bus (Ver 1.0, 400kHz Fast-Mode)
9. Ambient Operating Temperature: Ta = 40  85C
10. Power Supply
 Analog Power Supply (AVDD): 2.8 ~ 3.5V
 Speaker Power Supply (SVDD): 1.8 ~ 5.5V
 Digital & Headphone Power Supply (DVDD): 1.6 ~ 1.98V
 Digital I/O Power Supply (TVDD): 1.6 or (DVDD – 0.2) ~ 3.5V
11. Package: 32-pin QFN (4 x 4 mm, 0.4mm pitch)
016001936-E-00
-2-
2016/03