AK4562 Datasheet, PDF (1/29 Pages) Asahi Kasei Microsystems – LOW POWER 20BIT CODEC WITH PGA

ASAHI KASEI
[AK4562]
AK4562
Low Power 20bit ∆Σ CODEC with PGA
FEATURES
1. Resolution : 20bits
2. Recording Functions
• 2-Stereo Inputs Mixer
• Analog Input PGA
• Monaural Mixing
• Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz)
3. Playback Functions
• Digital De-emphasis Filter (tc=50/15us, fs=32kHz, 44.1kHz and 48kHz)
• Analog Output PGA
• 2 types Stereo Outputs (DAC and Analog Output PGA)
4. Power Management
5. ADC Characteristics
• Input Level : 1.5Vpp = 0.6 x VREF@VREF=2.5V
• S/(N+D) : 82dB
• DR, S/N : 88dB
6. DAC Characteristics
• Output Level : 1.5Vpp = 0.6 x VREF@VREF=2.5V
• S/(N+D) : 86dB
• DR, S/N : 93dB
7. 3-wire Serial Control, SSB I/F
8. Master Clock : 256fs/384fs
9. Audio Data Format : MSB First, 2’s compliment
• ADC : 20bit MSB justified, I²S
• DAC : 16bit LSB justified, 20bit LSB justified, 24bit LSB justified, I²S
10. Power Supply
• CODEC, PGA : 2.2 ∼ 3.0V (typ. 2.5V)
• Digital I/F : 1.8 ∼ 3.0V (typ. 2.5V)
11. Power Supply Current
• IPGA + ADC : 7mA
• DAC + OPGA : 5.5mA
12. Ta = -20 ∼ 70°C
13. Package : 28pin QFN
• Size : 5.2mm x 5.2mm
• Height : 1mm (max)
• Pitch : 0.5mm
MS0031-E-00
-1-
2000/05