max97236 Maxim Integrated Products, Inc., max97236 Datasheet - Page 23

• Manufacturer Part Number: max97236
• Description: Audio Amplifier With Jack Detection
• Manufacturer: Maxim Integrated Products, Inc.

The Microphone Bias Control and Gain register controls which microphone bias voltage and bias resistors are used as
well as the microphone amplifier gain.
Vendor ID bits are shown in
Table 8. Vendor ID Register
Table 7. Microphone Bias and Gain Register
Microphone
REGISTER
REGISTER
Vendor ID
Register
0x0B
0x09
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Audio Amplifier with Jack Detection
Table
NAME
NAME
MICR
GAIN
BIAS
8.
ID
—
—
—
—
—
—
—
—
Microphone Preamplifier Gain Select
0 = 12dB
1 = 24dB
Microphone Bias Resistor Select
000 = 2.2kI
001 = 2.6kI
010 = 3.0kI
011 = Bypassed
1XX = High impedance (sleep mode)
Microphone Bias Voltage Select
0 = 2.0V
1 = 2.6V
—
—
Vendor ID
0x9 = Maxim’s vendor ID
—
Microphone Bias Control and Gain Register
DESCRIPTION
DESCRIPTION
Vendor ID Register
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