WM8986GECO/V Wolfson Microelectronics, WM8986GECO/V Datasheet - Page 25

• Manufacturer Part Number: WM8986GECO/V
• Description: Audio Amplifiers Class D Headphone DAC + Line Out
• Manufacturer: Wolfson Microelectronics

Specifications of WM8986GECO/V

• Product: Class-D
• Output Power: 40 mW
• Thd Plus Noise: - 86 dB
• Operating Supply Voltage: 1.71 V to 3.6 V, 2.5 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 16 Ohms
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.71 V, 2.5 V
• Output Type: Differential
• Package / Case: QFN-28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
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Figure 13 Single-ended Microphone Configuration
The input PGAs are enabled by the INPPGAENL and INPPGAENR register bits.
Table 4 Input PGA Enable Register Settings
Table 5 Input PGA Control
R2 (02h)
Power
Management
2
R44 (2Ch)
Input
Control
REGISTER
ADDRESS
GND
REGISTER
MIC
ADDRESS
MICBIAS
1
5
BIT
2
3
BIT
LIN2INPPGA
RIN2INPPGA
LABEL
INPPGAENL
INPPGAENR
LABEL
VMID
65k
1
1
DEFAULT
-
+
0
0
INPUT
DEFAULT
PGA
Connect LIN pin to left channel input PGA
negative terminal.
0 = LIN not connected to input PGA
1 = LIN connected to input PGA amplifier
negative terminal.
Connect RIN pin to right channel input
PGA negative terminal.
0 = RIN not connected to input PGA
1 = RIN connected to right channel input
PGA amplifier negative terminal.
To
input
mixers
Left channel input PGA enable
0 = disabled
1 = enabled
Right channel input PGA enable
0 = disabled
1 = enabled
DESCRIPTION
DESCRIPTION
PD, Rev 4.1, June 2009
WM8986
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