WM8986GECO/V Wolfson Microelectronics, WM8986GECO/V Datasheet - Page 42

• 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

WM8986
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Table 23 OUT1 Volume Control
R52 (34h)
LOUT1
Volume
control
R53
ROUT1
Volume
control
REGISTER
ADDRESS
5:0
6
7
8
5:0
6
7
8
BIT
LOUT1VOL
LOUT1MUTE
LOUT1ZC
HPVU
ROUT1VOL
ROUT1MUTE
ROUT1ZC
HPVU
LABEL
Not latched
Not latched
DEFAULT
111001
111001
(0dB)
(0dB)
0
0
0
0
Left headphone output volume:
(1dB steps)
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Left headphone output mute:
0 = Normal operation
1 = Mute
Headphone volume zero cross
enable:
1 = Change gain on zero cross only
0 = Change gain immediately
LOUT1 and ROUT1 volumes do not
update until a 1 is written to HPVU
(in reg 52 or 53)
Right headphone output volume:
(1dB steps)
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Right headphone output mute:
0 = Normal operation
1 = Mute
Headphone volume zero cross
enable:
1 = Change gain on zero cross only
0 = Change gain immediately
LOUT1 and ROUT1 volumes do not
update until a 1 is written to HPVU
(in reg 52 or 53)
DESCRIPTION
PD, Rev 4.1, June 2009
Production Data
42