WM9705SEFL/RV Wolfson Microelectronics, WM9705SEFL/RV Datasheet - Page 14

• Manufacturer Part Number: WM9705SEFL/RV
• Description: Audio CODECs STR AC'97 CODEC T/P Interface 48-pin
• Manufacturer: Wolfson Microelectronics

Specifications of WM9705SEFL/RV

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Conversion Rate: 48 KSPS
• Interface Type: AC97
• Resolution: 12 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN EP
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM9705
WARM RESET
CLOCK SPECIFICATIONS
w
Figure 6 Warm Reset Timing
Figure 7 Clock Specifications (50pF External Load)
Note:
Worst case duty cycle restricted to 45/55.
SYNC active high pulse width
SYNC inactive to BITCLK startup
delay
PARAMETER
BITCLK frequency
BITCLK period
BITCLK output jitter
BITCLK high pulse width (Note 1)
BITCLK low pulse width (Note 1)
SYNC frequency
SYNC period
SYNC high pulse width
SYNC low pulse width
BITCLK
BITCLK
SYNC
SYNC
PARAMETER
t
SYNC_HIGH
t
CLK_PERIOD
t
CLK_HIGH
t
SYNC_HIGH
t
t
SYNC_HIGH
SYNC2CLK
t
t
SYNC_PERIOD
SYMBOL
SYMBOL
t
t
CLK_PERIOD
t
SYNC_HIGH
t
SYNC_LOW
CLK_HIGH
CLK_LOW
t
SYNC_PERIOD
t
SYNC2CLK
162.4
MIN
MIN
t
36
36
CLK_LOW
t
SYNC_LOW
12.288
81.4
40.7
40.7
48.0
20.8
19.5
TYP
TYP
1.3
1.3
PD Rev 4.5 July 2008
MAX
MAX
750
45
45
Production Data
UNIT
UNIT
MHz
kHz
µ s
ns
ns
ps
ns
ns
µ s
µ s
µ s
14