ASAHI KASEI
[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, I
2
S
•
DAC : 16bit LSB justified, 20bit LSB justified, 24bit LSB justified, I
2
S
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
AK4562
MS0031-E-00
-1-
2000/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
