SP30 Datasheet, PDF (8/14 Pages) Infineon Technologies AG – Tire Pressure Monitoring Sensor SP30

Datasheet
Tire Pressure Monitoring Sensor SP30
TS
Rev.
Page
of
1085
5
8
14
2.5 Clock sources
2.5.1 System clock (MCLK)
Table 11 System clock (MCLK) specifications
PARAMETER
MCLK frequency
SPECIFICATION
Min Typ Max Unit
1.8 2.0 2.2 MHz
AMBIENT CONDITIONS
TEMP [°C] VDD [V]
-40 to 125
2.1 3.6
COMMENTS
2.5.2 Low Power (LP) oscillator
Table 12 LP oscillator specifications
PARAMETER
T_it
del_2t
LP oscillator accuracy
SPECIFICATION
Min Typ Max Unit
0.5, 1.0, 2.0 or 4.0
s
25, 50, 75 or 100
ms
-20
20
%
AMBIENT CONDITIONS
TEMP [°C] VDD [V]
-40 to 125 2.1 to 3.6
-40 to 125 2.1 to 3.6
-40 to 125 2.1 to 3.6
COMMENTS
Interval timer main tick
Delay to extra tick
2.5.3 External clock
Table 13 External clock specifications
PARAMETER
External clock
SPECIFICATION
Min Typ Max Unit
3.5 MHz
AMBIENT CONDITIONS
TEMP [°C] VDD [V]
-40 to 125 2.1 to 3.6
COMMENTS
2.6 LF input
Table 14 LF telegram
PARAMETER
Modulation
Carrier frequency
Preamble period
Data rate
Settling time
Detection threshold
Input capacitance
Input resistance
Other
SPECIFICATION
Min Typ Max Unit
AMBIENT CONDITIONS
TEMP [°C] VDD [V]
COMMENTS
ASK
-40 to 125 2.1 to 3.6
121.25 125 128.75 kHz -40 to 125 2.1 to 3.6
4
ms -40 to 125 2.1 to 3.6
3.84 3.9 3.96 kHz -40 to 125 2.1 to 3.6
2
ms -40 to 125 2.1 to 3.6 Time from LF interface
is turned on by RISC to
the LF interface is
active
5 mVp-p -40 to 125 2.1 to 3.6
10
12
pF -40 to 125 2.1 to 3.6
500
kΩ -40 to 125 2.1 to 3.6
The input signals from the enabled LF channels are rectified and real time summed