AK7754 Datasheet, PDF (2/26 Pages) Asahi Kasei Microsystems – Audio DSP with Stereo CODEC + MIC/HP-AMP

□ Stereo 24bit DAC
- Sampling rate: 8 ~ 48kHz
- Digital Volume (12dB~-115dB, 0.5dB Step, Mute)
- Digital De-emphasis Filter (tc=50/15μs, fs=32kHz, 44.1kHz, 48kHz)
□ Line Outputs
- Single-ended or Differential Outputs
- S/(N+D): 91dB ,DR, S/N: 96dB
- Stereo Analog Volume (+0 ~ -28dB, 2.0dB Step, Mute)
□ Stereo Headphone Amplifier with a Volume Control
- Rated Output Power: 27mW/ch @16Ω
- S/(N+D): 70dB , S/N: 89dB
- Stereo Analog Volume (+0 ~ -50dB,1.0/2.0/4.0dB Step, Mute)
- Click Noise Free at Power ON/OFF
□ SRC Block
- 2ch x 1 system
- Input Sampling Frequency: 8kHz ~ 96kHz
- Output Sampling Frequency: 8kHz ~ 48kHz
□ Analog Bypass Mode
- Bypass Amplifier (0dB~-21dB, 3dB step)
□ Output Mixer
□ μP Interface: I²C Bus (400KHz Fast-Mode)
□ Power Supply
Analog AVDD: 3.0V ~ 3.6V (typ.3.3V)
Digital1 DVDD: 3.0V ~ 3.6V (typ.3.3V)
Digital2 DVDD18: 1.7V ~ 1.9V (typ.1.8V)
HP-Amp HVDD: 3.0V ~ 3.6V (typ.3.3V)
□ Operating temperature range: -20°C ~ 85°C
□ Package: 48pin QFN (0.5mm pitch)
[AK7754]
MS1138-E-01-PB
-2-
2012/03