WM9712LGEFL/V Wolfson Microelectronics, WM9712LGEFL/V Datasheet - Page 61
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WM9712LGEFL/V
Manufacturer Part Number
WM9712LGEFL/V
Description
Multimedia Misc Stereo AC'97 CODEC T/P Interface
Manufacturer
Wolfson Microelectronics
Type
Audio and Touchpanel Codecr
Datasheet
1.WM9712LGEFLV.pdf
(77 pages)
Specifications of WM9712LGEFL/V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 25 C
Mounting Style
SMD/SMT
Package / Case
QFN
Audio Codec Type
Stereo
No. Of Adcs
3
No. Of Dacs
3
No. Of Input Channels
8
No. Of Output Channels
4
Adc / Dac Resolution
12bit
Adcs / Dacs Signal To Noise Ratio
94dB
Sampling Rate
48kHz
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
WM9712LGEFL/V
Manufacturer:
VISHAY
Quantity:
1 000
Production Data
w
COLD RESET (ASYNCHRONOUS, RESETS REGISTER SETTINGS)
Figure 21 Cold Reset Timing
Note:
For correct operation SDATAOUT and SYNC must be held LOW for entire RESETB active
low period otherwise the device may enter test mode. See AC'97 specification or Wolfson
applications note WAN104 for more details.
WARM RESET (ASYNCHRONOUS, PRESERVES REGISTER SETTINGS)
Figure 22 Warm Reset Timing
RESETB active low pulse width
RESETB inactive to BITCLK startup
delay
SYNC active high pulse width
SYNC inactive to BITCLK startup
delay
RESETB
BITCLK
PARAMETER
PARAMETER
t
RST_LOW
t
SYMBOL
SYMBOL
SYNC_HIGH
t
t
t
RST_LOW
RST2CLK
RST2CLK
t
RST2CLK
162.8
162.4
MIN
MIN
1.0
TYP
TYP
1.3
PD Rev 4.5 August 2006
MAX
MAX
WM9712L
UNIT
UNIT
µs
ns
µs
ns
61