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AK4497 Datasheet, PDF (27/98 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC
[AK4497]
Parameter
Symbol Min. Typ. Max.
Control Interface Timing (3-wire IF mode):
CCLK Period
tCCK 200
CCLK Pulse Width Low
Pulse Width High
CDTI Setup Time
tCCKL 80
tCCKH 80
tCDS 40
CDTI Hold Time
CSN “H” Time
CSN “” to CCLK “”
CCLK “” to CSN “”
Control Interface Timing (I2C Bus mode):
tCDH 40
tCSW 150
tCSS 50
tCSH 50
SCL Clock Frequency
fSCL
-
400
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 37)
tHD:DAT 0
-
SDA Setup Time from SCL Rising
tSU:DAT 0.1
-
Rise Time of Both SDA and SCL Lines
tR
-
1.0
Fall Time of Both SDA and SCL Lines
tF
-
0.3
Setup Time for Stop Condition
tSU:STO 0.6
-
Pulse Width of Spike Noise Suppressed by Input Filter tSP
0
50
Capacitive load on bus
Cb
-
400
Power-down & Reset Timing
(Note 38)
PDN Accept Pulse Width
tAPD 150
PDN Reject Pulse Width
tRPD
30
Note 37. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
Note 38. The AK4497 can be reset by bringing the PDN pin “L” to “H” upon power-up.
Note 39. I2C -bus is a trademark of NXP B.V.
Unit
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
kHz
usec
usec
usec
usec
usec
usec
usec
usec
usec
usec
nsec
pF
nsec
nsec
Rev. 0.1
- 27 -
2015/11