CXA1720Q
Pin
No.
10
Symbol
Pin voltage
Equivalent circuit
Description
VCC
FILTER
SET
—
Power supply (5 V) connection.
11
3.8 V
Connection for filter cut-off frequency setting
resistor. Connect the filter cut-off frequency setting
resistor RF between this pin and VCC to set the cut-
off frequency.
Vcc
11
1k
1.2V
147
A.GND
12
MMVA
0.5 V
Time domain filter monostable multivibrator No. 1
pulse width setting pin. Connect the monostable
multivibrator No. 1 pulse width setting resistor RA
between this pin and A.GND.
Vcc
147
10k
140
12
1.2V
A.GND
Vcc
13
14
A. GND
—
Analog system GND connection.
Comparator differential inputs.
COMP IN A
3.3 V
16k
10k
14
15
147
147
15
16
17
COMP IN B
3.3 V
3.3 V
3.3 V
60µ
A.GND
FILTER
OUT B
Filter differential outputs.
Vcc
140
16
17
FILTER
OUT A
500µ
500µ
A.GND
—4—
SONY [ SONY CORPORATION ]
