AK9752AE Datasheet, PDF (8/36 Pages) Asahi Kasei Microsystems – Ultra-small IR sensor IC with IC

[AK9752]
9.2.2. AC Characteristics (1): Standard Mode (100 kHz)
(Unless otherwise specified, VDD1=VDD2=VDD= 1.65 ~ 1.95V, Ta= -30 ~ 85ºC)
External pull-up voltage: VDD ~ 3.63V
Parameter
Symbol Min. Typ. Max. Unit
SCL frequency
fSCL
100
kHz
SDA bus idle time to the next
command input
fBUF
4.7
µs
Start condition Hold time
tHD:STA 4.0
µs
Clock Low period
tLOW
4.7
µs
Clock High period
tHIGH
4.0
µs
Start condition set-up time
tSU:STA 4.7
µs
Data hold time
tHD:DAT
0
µs
Data set-up time
tSU:DAT 250
ns
Rise time
SDA, SCL (* 9)
SDA pin,
SCL pin
tR
1.0
µs
Fall time
SDA, SCL (* 9)
SDA pin,
SCL pin
tF
0.3
µs
Stop condition set-up time
tSU:STO 4.0
µs
Note:
* 9. Reference data only, not tested.
9.2.3. AC Characteristics (2): Fast Mode (400 kHz)
(Unless otherwise specified, VDD1=VDD2=VDD = 1.65 ~ 1.95V, Ta= -30 ~ 85ºC)
External pull-up voltage: VDD ~ 1.95V
Parameter
Symbol Min. Typ. Max. Unit
SCL frequency
fSCL
400
kHz
Noise suppression time
tSP
50
ns
SDA bus idle time to the next
command input
fBUF
1.3
µs
Start condition Hold time
tHD:STA 0.6
µs
Clock Low period
tLOW
1.3
µs
Clock High period
tHIGH
0.6
µs
Start condition set-up time
tSU:STA 0.6
µs
Data hold time
tHD:DAT
0
µs
Data set-up time
tSU:DAT 100
ns
Rise time
SDA, SCL (* 10)
SDA pin,
SCL pin
tR
0.3
µs
Fall time
SDA, SCL (* 10)
SDA pin,
SCL pin
tF
0.3
µs
Stop condition set-up time
tSU:STO 0.6
µs
Note:
* 10. Reference data only, not tested.
016016473-E-00
-8-
2017/1