ak4534 AKM Semiconductor, Inc., ak4534 Datasheet - Page 24

• Manufacturer Part Number: ak4534
• Description: 16bit Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

n MIC Gain Amplifier
AK4534 has a Gain Amplifier for Microphone input. This gain is 0dB or 20dB, selected by the MGAIN bit. The typical
input impedance is 30k .
n MIC Power
The MPI and MPE pins supply power for the Microphone. These output voltages are 0.75 x AVDD (typ) and the maximum
output current is 1.25mA.
MS0133-E-03
MGAIN bit
0
1
Table 14. Input Gain
Input Gain
- 24 -
+20dB
0dB
Default
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