HCA0611ARH8 Datasheet, PDF (4/7 Pages) Sensortechnics GmbH – Miniature amplified barometric pressure sensors

HCA-BARO Series
Miniature amplified barometric pressure sensors
I²C Interface Parameters
Parameter
Input high level
Input low level
Output low level
Pull-up resistor
Load capacitance @ SDA
Input capacitance @ SDA/SCL
SCL clock frequency
Bus free time between STOP and START condition
Hold time (repeated) START condition, to first clock pulse
LOW period of SCL
HIGH period of SCL
Setup time repeated START condition
Data hold time
Data setup time
Rise time of both SDA and SCL
Fall time of both SDA and SCL
Setup time for STOP condition
* recommended
Symbol
C_SDA
C_{I2C_IN}
F_SCL
t_BUF
t_HD.STA
t_LOW
t_HIGH
t_SU.STA
t_HD.DAT
t_SU.DAT
t_R
t
F
t_SU.STO
Min.
90
0
500
100*
1.3
0.8
1.3
0.6
1
0
0.2
0.6
Typ.
Max.
100
10
10
400
10
400
Unit
% of Vs
Ω
pF
kHz
µs
0.3
0.3
Note: First Sensor recommends communication speeds of at least 100 kHz (max. 400 kHz).
Please contact us for further information.
SCL
SDA
tSU;DAT
tHD;DAT
tSU;STA tHD;STA tR
tF
SCL
SDA
tHIGH tLOW
tSU;STO tBUF
tHD;STA
Fig. 2: Timing characteristics
E / 11641 / F
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