AK4223 Datasheet, PDF (9/27 Pages) Asahi Kasei Microsystems – 6:2 Audio Switch and 6:2 Video Switch

[AK4223]
VOUT
R1
75 Ω
C2
max: 15pF
(C2)
C1
ma x:1 .5nF
(C1 )
R2
75 Ω
Figure 4. Load Resistance R1+R2 and Load Capacitance C1/C2 (VR1/2 bit = “0”)
VOUT
R1
C
100kΩ (min)
C2
C1
C1+C2=15pF (max)
Figure 5. Load Resistance R1+R2 and Load Capacitance C1/C2 (VR1/2 bit = “1”)
DC CHARACTERISTICS
(Ta=-40~85°C; AVDD= RVDD= VVDD= 7.5∼9.5V)
Parameter
Symbol min
typ
High-Level Input Voltage (RSTN,SCL,SDA,CAD pins)
VIH
2.7
-
Low-Level Input Voltage (RSTN,SCL,SDA,CAD pins)
VIL
-
-
Low-Level Output Voltage (SDA pin: Iout=3mA)
VOL
-
-
Input Leakage Current
Iin
-
-
SWITCHING CHARACTERISTICS
(Ta= 25°C; AVDD =RVDD= VVDD= 9.0V)
Control Interface Timing (I²C Bus)
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
tLOW
1.3
Clock High Time
tHIGH
0.6
Setup Time for Repeated Start Condition
tSU:STA
0.6
SDA Hold Time from SCL Falling (Note 13)
tHD:DAT
0
SDA Setup Time from SCL Rising
tSU:DAT
0.1
Rise Time of Both SDA and SCL Lines
tR
-
Fall Time of Both SDA and SCL Lines
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
-
Power-down & Reset Timing
RSTN Reject Pulse Width
tRPD
RSTN Pulse Width
(Note 14)
Note 12. I²C-bus is a trademark of NXP B.V.
tPD
150
Note 13. Data must be held long enough to bridge the 300ns-transition time of SCL.
Note 14. The AK4223 can be reset by setting the RSTN pin = “L” when powered up.
max
Units
5.5
V
0.8
V
0.4
V
±10
μA
400 kHz
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
0.3
μs
0.3
μs
-
μs
50
ns
400
pF
15
ns
ns
MS1251-E-00
9
2010/10