AK4955 Datasheet, PDF (2/117 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP/ LDO & DSP

[AK4955]
3. Power Management Function
• Thermal Shut Down
4. Master Clock:
(1) PLL Mode
• Frequencies: 11.2896MHz, 12MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin)
32fs or 64fs (BICK pin)
(2) External Clock Mode
• Frequencies: 256fs, 512fs or 1024fs (MCKI pin)
5. Output Master Clock Frequency: 32fs/64fs/128fs/256fs
6. Sampling Frequencies
• PLL Slave Mode (BICK pin): 7.35kHz ~ 48kHz
• PLL Slave Mode (MCKI pin):
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
• PLL Master Mode:
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
• EXT Master/Slave Mode:
7.35kHz ~ 48kHz (256fs), 7.35kHz ∼ 48kHz (512fs), 7.35kHz ∼ 13kHz (1024fs)
7. μP I/F: 3-wire Serial, I²C Bus (Ver 1.0, 400kHz Fast-Mode)
8. Master/Slave Mode
9. Audio Interface Format: MSB First, 2’s complement
• ADC: 24bit MSB justified, 16/24bit I²S
• DAC: 24bit MSB justified, 16bit LSB justified, 24bit LSB justified, 16/24bit I²S
10. Video Functions
• One Composite Signal Input
• Cap-less Video Amplifier for Composite Signal Output
Gain: +6 / +9 / +12 / +16.5dB
• Low Pass Filter
• Charge Pump Circuit for Negative Power Supply
11. Ta = −30 ∼ 85°C
12. Power Supply:
• Analog Power Supply (AVDD): 2.7 ~ 3.6V
• Digital Power Supply (DVDD): 1.6 ~ 2.0V
• Line Output Power Supply (LVDD): 2.7 ~ 5.5V
• Speaker Power Supply (SVDD): 2.7 ~ 5.5V
• Digital I/O Power Supply (TVDD): DVDD-0.2 ~ 3.6V
13. Package: 36pin CSP (3.0 x 3.1mm, 0.5mm pitch)
MS1343-E-00
-2-
2011/12