AK4120 Datasheet, PDF (9/30 Pages) Asahi Kasei Microsystems – Sample Rate Converter with Mixer and Volume

ASAHI KASEI
[AK4120]
Parameter
Symbol
min
typ
max Units
Control Interface Timing (3-wire Serial mode):
CCLK Period
tCCK
200
ns
CCLK Pulse Width Low
tCCKL
80
ns
Pulse Width High
tCCKH
80
ns
CDTI Setup Time
tCDS
40
ns
CDTI Hold Time
tCDH
40
ns
CSN “H” Time
tCSW
150
ns
CSN “↓” to CCLK “↑”
tCSS
50
CCLK “↑” to CSN “↑”
tCSH
50
Control Interface Timing (I²C® Bus mode):
SCL Clock Frequency
fSCL
-
Bus Free Time Between Transmissions
tBUF
4.7
Start Condition Hold Time (prior to first clock pulse) tHD:STA
4.0
Clock Low Time
tLOW
4.7
Clock High Time
tHIGH
4.0
Setup Time for Repeated Start Condition
tSU:STA
4.7
SDA Hold Time from SCL Falling
(Note 10) tHD:DAT
0
SDA Setup Time to SCL Rising
tSU:DAT 0.25
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
4.0
ns
ns
100
kHz
-
µs
-
µs
-
µs
-
µs
-
µs
-
µs
-
µs
1.0
µs
0.3
µs
-
µs
Maximum Pulse Width of Spike Noise Suppressed by
tSP
30
ns
Input Filter
Power-down & Reset Timing
PDN Pulse Width
(Note 11)
tPD
150
ns
Note 10. Data must be held long enough to bridge the 300 ns transition time of SCL.
Note 11. The AK4120 can be reset by bringing PDN “L” to “H” upon power-up.
Note 12. I²C is a registered trademark of Philips Semiconductors.
Purchase of Asahi Kasei Microsystems Co., Ltd I²C components conveys a license under the Philips
I²C patent to use the components in the I²C system, provided the system conform to the I²C
specifications defined by Philips.
MS0134-E-00
-9-
2002/1