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TC9401CPD Datasheet(PDF) 9 Page - TelCom Semiconductor, Inc

Part # TC9401CPD
Description  VOLTAGE-TO-FREQUENCY/FREQUENCY-TO-VOLTAGE CONVERTERS
PDF  13 Pages
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Manufacturer  TELCOM [TelCom Semiconductor, Inc]
Direct Link  http://www.telcom-semi.com
Logo TELCOM - TelCom Semiconductor, Inc

TC9401CPD Datasheet(HTML) 9 Page - TelCom Semiconductor, Inc

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TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
VOLTAGE-TO-FREQUENCY/
FREQUENCY-TO-VOLTAGE CONVERTERS
TC9400
TC9401
TC9402
V
+
= 8V TO 15V (FIXED)
14
8
10k
Ω
10k
Ω
fOUT
fOUT/2
10
14
9
100 k
Ω
0V–10V
IIN
180
pF
820
pF
3
5
12
11
7
0.01
µF
2
k
Ω
8.2
k
Ω
6
2
V2
R2
0.9
R1
0.2
R1
RIN
1M
Ω
IIN
VREF
TC9400
OFFSET
ADJUST
GAIN
ADJUST
V
+
10V
12V
15V
1 M
Ω
1.4 M
Ω
2 M
Ω
R1
R2
10k
Ω
14k
Ω
20k
Ω
fOUT = IIN ×
1
(V2–V7) (CREF)
(VIN–V2)
(V
+
–V2)
+
IIN=
RIN
(0.9 R1+0.2 R1)
5V
0.01
µF
VIN
Figure 4 . Fixed Voltage — Single Supply Operation
Figure 5.
Voltage to Frequency
R1
910k
R4
100k
1
µF
D2
5.1VZ
R2
910k
R5
91k
Rp
OFFSET
20k
100k
D1
5.1VZ
0.1
µ
100k
CREF
CINT
1.2k*
+12 to +15V
10k
10k
OUTPUT
FREQUENCY
DIGITAL
GROUND
ANALOG GROUND
INPUT
VOLTAGE
(0 to 10V)
R3
GAIN
TC9400
11
12
5
3
2
6
7
1
4
14
9
10
8
THRESHOLD
DETECT
AMP OUT
CREF
IIN
ZERO
ADJUST
GND
VREF
IBIAS
OUTPUT
COMMON
fOUT/2
fOUT
VDD
VSS
COMPONENT SELECTION
F/S FREQ.
1 kHz
10 kHz
100 kHz
CREF
2200pF
180pF
27pF
CINT
4700pF
470pF
75pF



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