WM8986GECO/V Wolfson Microelectronics, WM8986GECO/V Datasheet - Page 70

• 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
w
8 (08h)
9 (09h)
10 (0Ah)
REGISTER
ADDRESS
3:1
0
8
7
6
3
2:0
8:7
6
5:0
8:7
6
5:4
3
BIT
SR
SLOWCLKEN
GPIO1GP
GPIO1GPU
GPIO1GPD
GPIO1POL
GPIO1SEL
[2:0]
JD_EN
SOFTMUTE
DACOSR128
LABEL
000
0
0
0
0
0
000
00
0
000000
00
0
00
0
DEFAULT
Approximate sample rate (configures the
coefficients for the internal digital filters):
000=48kHz
001=32kHz
010=24kHz
011=16kHz
100=12kHz
101=8kHz
110-111=reserved
Slow clock enable. Used for both the jack insert
detect debounce circuit and the zero cross
timeout.
0 = slow clock disabled
1 = slow clock enabled
GPIO1 Open drain enable
0 = Open drain disabled
1 = Open drain enabled
GPIO1 Internal pull-up enable:
0 = Internal pull-up disabled
1 = Internal pull-up enabled
GPIO1 Internal pull-down enable:
0 = Internal pull-down disabled
1 = Internal pull-down enabled
GPIO1 Polarity invert
0=Non inverted
1=Inverted
CSB/GPIO1 pin function select:
000= input (CSB/jack detection: depending on
MODE setting)
001= reserved
010=Temp ok
011=Amute active
100=PLL clk o/p
101=PLL lock
110=logic 1
111=logic 0
Reserved
Jack Detection Enable
0=disabled
1=enabled
Reserved
Reserved
Softmute enable:
0=Disabled
1=Enabled
Reserved
DAC oversample rate select
0 = 64x (lowest power)
1 = 128x (best SNR)
DESCRIPTION
PD, Rev 4.1, June 2009
Audio Sample
Rates
Analogue
Outputs
General
Purpose
Input/Output
(GPIO)
General
Purpose
Input/Output
(GPIO)
General
Purpose
Input/Output
(GPIO)
General
Purpose
Input/Output
(GPIO)
General
Purpose
Input/Output
(GPIO)
Output
Switching
(Jack Detect)
Output
Switching
(Jack Detect)
Output Signal
Path
Power
Management
Production Data
REFER TO
70