WM8351GEB/V Wolfson Microelectronics, WM8351GEB/V Datasheet - Page 32
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
10 SIGNAL TIMING REQUIREMENTS
10.1 SYSTEM CLOCK TIMING
10.2 AUDIO INTERFACE TIMING - MASTER MODE
w
Master Clock Timing
PARAMETER
MCLK cycle time
MCLK duty cycle
Test Conditions
DCVDD = 1.8V, DBVDD = 3.3V, DGND = 0V, T
PARAMETER
BCLK rise time (10pF load)
BCLK fall time (10pF load)
BCLK duty cycle
LRC propagation delay from BCLK falling edge
ADCDAT propagation delay from BCLK falling edge
DACDAT setup time to BCLK rising edge
DACDAT hold time from BCLK rising edge
Figure 14 Master Clock Timing
Figure 15 Digital Audio Data Timing – Master Mode
SYMBOL
T
MCLKY
MCLK
A
= +25
= high time / low time
TEST CONDITIONS
o
C, Master Mode, fs = 48kHz, 24-bit data, unless otherwise stated.
SYMBOL
t
t
t
BCLKDS
BCLKR
BCLKF
t
t
t
t
DDA
DST
DHT
DL
t
MCLKL
60:40
MIN
t
MCLKY
40
60:40
MIN
10
10
t
MCLKH
TYP
TYP
PD, March 2010, Rev 4.2
40:60
MAX
40:60
MAX
10
10
3
3
Production Data
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
32
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