WM8351GEB/V Wolfson Microelectronics, WM8351GEB/V Datasheet - Page 86
WM8351GEB/V
Manufacturer Part Number
WM8351GEB/V
Description
Audio CODECs Audio CODEC plus pwr management
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8351GEBV.pdf
(328 pages)
Specifications of WM8351GEB/V
Number Of Adc Inputs
2
Number Of Dac Outputs
2
Conversion Rate
48 KSPS
Interface Type
Serial (2-Wire, 3-Wire, 4-Wire)
Resolution
12 bit
Operating Supply Voltage
3.7 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
BGA
Minimum Operating Temperature
- 25 C
Number Of Channels
2 ADC/2 DAC
Supply Current
260 uA
Thd Plus Noise
- 83 dB
Audio Codec Type
Stereo
No. Of Adcs
2
No. Of Dacs
2
No. Of Input Channels
8
No. Of Output Channels
6
Adc / Dac Resolution
24bit
Adcs / Dacs Signal To Noise Ratio
95dB
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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WM8351
w
A beep signal on the IN3R pin (see Table 42) can be mixed into OUT2R independently of the right
output mixer (i.e. without mixing the same beep signal into OUT1R).
R111 (6Fh)
Beep
Volume
Table 42 Controlling the “Beep” Path (IN3R to OUT2R)
13.9.3
Some example headphone output configurations are shown below.
ADDRESS
Figure 46 AC-Coupled Headphone Drive
Figure 48 AC-Coupled Headphone Drive
with Common Mode Noise Rejection
HEADPHONE OUTPUTS EXTERNAL CONNECTIONS
7:5
BIT
15
IN3R_TO_O
UT2R
IN3R_OUT2R
_VOL [2:0]
LABEL
DEFAULT
000
0
Beep mixer enable
0 = disabled
1 = enabled
Beep mixer volume:
000 = -15dB
… in +3dB steps
111 = +6dB
Figure 47 DC-Coupled (Capless) Mode
Headphone Drive
DESCRIPTION
PD, March 2010, Rev 4.2
Production Data
86
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