CXA1870 查看數據表（PDF） - Sony Semiconductor
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CXA1870 Datasheet PDF : 40 Pages
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Pin
Symbol
No.
Pin
voltage
33
CERA
2.3 V
CXA1870S
Equivalent circuit
VCC
330
33
VCC
VCC
10k
28k
Description
Connect a 32 fh (503.5 kHz)
ceramic oscillator.
34
AFC
3.2 V
VCC
34
VCC
VCC
40k
1.2k
AFC lag-lead filter CR connection
pin.
35
IREF
2.6 V
VCC
150
20k
35
Connect a 15 kΩ resistor between
this pin and GND.
36
REG
VCC
VCC
36
7V
VCC
VCC
VCC
40k
4p
1.2k
Regulator pin for voltage
generated internally from VCC.
Connect a capacitor for
stabilization.
50µA
37
SCL
37
—
38
SDA
38
VCC
4k
4k
—9—
I2C bus SCL (Serial Clock) and
SDA (Serial Data) pins.
Vilmax = 1.5 V
Vihmin = 3 V
Volmax = 0.4 V
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