WM9090ECS/R Wolfson Microelectronics, WM9090ECS/R Datasheet - Page 51

• 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

w
Pre-Production
Table 32 Power Management
R3 (03h)
Power
Management
(3)
R57 (39h)
AntiPOP2
R70 (46h)
Write
Sequencer 0
R76 (4Ch)
Charge Pump
1
R84 (54h)
DC Servo 0
REGISTER
ADDRESS
BIT
15
4
8
5
4
3
2
8
1
0
IN2B_ENA
SPKLVOL_ENA
MIXOUTL_ENA
MIXOUTR_ENA
SPKMIX_ENA
STARTUP_BIAS_
ENA
WSEQ_ENA
CP_ENA
DCS_ENA_CHAN
_1
DCS_ENA_CHAN
_0
LABEL
DEFAULT
0
0
0
0
0
0
0
0
0
0
IN2B Input PGA Enable
0 = Disabled
1 = Enabled
(Note this is only required for single-
ended input on the IN2N pin)
Speaker PGA Enable
0 = Disabled
1 = Enabled
MIXOUTL Headphone Mixer Enable
0 = Disabled
1 = Enabled
MIXOUTR Headphone Mixer Enable
0 = Disabled
1 = Enabled
SPKMIX Speaker Mixer Enable
0 = Disabled
1 = Enabled
Enables the Start-Up bias current
generator
0 = Disabled
1 = Enabled
Write Sequencer Enable
0 = Disabled
1 = Enabled
Charge Pump Control
0 = Disabled
1 = Enabled
DC Servo enable for HPOUT1L
0 = Disabled
1 = Enabled
DC Servo enable for HPOUT1R
0 = Disabled
1 = Enabled
DESCRIPTION
PP, January 2010, Rev 3.0
WM9090
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