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AK4562

Low Power 20bit ∆Σ CODEC with PGA

Asahi Kasei Microdevices 

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

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