ta6009fm TOSHIBA Semiconductor CORPORATION, ta6009fm Datasheet - Page 4

• Manufacturer Part Number: ta6009fm
• Description: Shock Sensor Ic 1 Ch Version
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Application Note
sensor
Shock
parts are determined as following.
Figure 1 is the composition of G-Force sense amplifier.
The shock sensor is connected between 1 and 2 terminal.
When G-force Sensor (sensor sensibility = s (mV/G)) is used to detect external shock of g (G), the external
1
2
(Gain setting) * 10 PIN ® GND
500/(s ´ g) = G1
G1/10 = G (OP-AMP)
(HPF setting)
fc = 1/(2 p ´ R
(LPF setting)
fc = 1/(2 p ´ R
Buffer
Buffer
´1
´1
Figure 1 The configuration of G-force sensor amplifier
1
2
LPF
´ C
´ C
1
2
)
)
AMP
´10
9
C
1
1.4 V (1.2 V) REF
R
1
4
8
C
R
2
2
1.7 V (1.7 V)
1.1 V (0.7 V)
7
Window
Comparator
TA6009FM
2002-01-17
4 OUT