WM9090ECS/R Wolfson Microelectronics, WM9090ECS/R Datasheet - Page 43
WM9090ECS/R
Manufacturer Part Number
WM9090ECS/R
Description
Audio CODECs Audio Subsystem w/ capless headphones
Manufacturer
Wolfson Microelectronics
Specifications of WM9090ECS/R
Interface Type
2-Wire, l2C
Thd Plus Noise
80 dB
Ic Function
Ultra Low Power Audio Subsystem
Brief Features
Mono Class D Speaker Driver, Automatic Gain Control (AGC)
Supply Voltage Range
2.7V To 5.5V
Operating Temperature Range
-40°C To +85°C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Pre-Production
Table 26 Pop Suppression Control
REGISTER
ADDRESS
BIT
2
1
HPOUT1R_OUTP
HPOUT1R_DLY
LABEL
DEFAULT
0
0
Enables HPOUT1R output stage
0 = Disabled
1 = Enabled
For pop-free operation, this bit should
be set to 1 after the DC offset
cancellation has been performed.
Enables HPOUT1R intermediate
stage
0 = Disabled
1 = Enabled
For pop-free operation, this bit should
be set to 1 after the output signal path
has been configured, and before the
DC Offset cancellation is scheduled
This bit should be set with at least
20us delay after HPOUT1L_ENA.
PP, January 2010, Rev 3.0
DESCRIPTION
WM9090
43
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