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AK4220 Datasheet, PDF (11/33 Pages) Asahi Kasei Microsystems – 7:3 Audio Switch and 6:3 Video Switch | |||
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SWITCHING CHARACTERISTICS
(Ta= -40â¼85°C; AVDD = VVDD1-2 = 4.5â¼5.5V, DVDD= 3.0â¼3.6V, CL= 20pF)
Control Interface Timing (I2C Bus, Note: 20)
SCL Clock Frequency
fSCL
-
Bus Free Time Between Transmissions
tBUF
1.3
Start Condition Hold Time (prior to first clock pulse) tHD:STA
0.6
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling (Note: 21)
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
tLOW
1.3
tHIGH
0.6
tSU:STA
0.6
tHD:DAT
0
tSU:DAT
0.1
tR
-
tF
-
Setup Time for Stop Condition
tSU:STO
0.6
Pulse Width of Spike Noise Suppressed by Input Filter tSP
0
Capacitive load on bus
Cb
-
Control Interface Timing (4-wire serial mode)
CCLK Period
CCLK Pulse Width Low
Pulse Width High
CDTI Setup Time
CDTI Hold Time
CSN âHâ Time
CSN âââ to CCLK âââ
CCLK âââ to CSN âââ
CDTO Delay
CSN âââ to CDTO Hi-Z
tCCK
200
tCCKL
80
tCCKH
80
tCDS
50
tCDH
50
tCSW
150
tCSS
50
tCSH
50
tDCD
tCCZ
Power-down & Reset Timing
PDN Pulse Width
(Note: 21)
TPD
150
Note: 20. I2C is a registered trademark of Philips Semiconductors.
Note: 21. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
Note: 22. The AK4220 should be reset by PDN pin = âLâ upon power up.
[AK4220]
400 kHz
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
0.3
μs
0.3
μs
-
μs
50
ns
400
pF
ns
ns
ns
ns
ns
ns
ns
ns
45
ns
70
ns
ns
MS0627-E-00
- 11 -
2007/05
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