RC4153 Просмотр технического описания (PDF) - Fairchild Semiconductor
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RC4153 Datasheet PDF : 16 Pages
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RC4153
Typical Application Circuits
PRODUCT SPECIFICATION
V IN
R IN
R s**
-Vs 1
4153
14 VOS1
Full Scale
CI
CO
RIN
10 kHz 0.1mF 3300 pF 20K
50 kHz 0.02 mF 680 pF 20K
100 kHz 4300 pF 330 pF 20K
250 kHz 1000 pF 130 pF 20K
C I = 30 CO
Gnd 2
2
VREF
3
V OUT
4
VREF
7.3V
13 VOS2
12 -In
+In
11
+V S*
5
I REF
10
VIN
CO
6
9
CO
One
Shot
Trig 7
8
V IN
FOUT = 2VREF R IN CO
(VREF = 7.3V)
* ±VS must be thoroughly decoupled.
** For bipolar input.
Resistance in Ohms unless otherwise specified.
** For Bipolar Input
FOUT =
VIN RREF + VREF R IN
2RIN R S V REF C O
FOUT
Gnd 1
RL
5.1K
t
FOUT
T
1
T = F OUT
t = 1.5 x 10 4 CO
5 x 10-5
CO FOUT (Max)
4153-04
Figure 1. Voltage-to-Frequency Converter Minimum Circuit
Full Scale Adjust
Voltage
Output
-Vs *
1
4153
-Vs* Gnd 2 2
VREF 3
VOUT 4
VREF
7.3V
+Vs *
VIN 5
I REF
14 VOS1 RVOS
10K
RB
13
5K
18.7K
VOS2
-In
12
+In
11
10 +VS*
R B'
20K
C B'
0.01 F
+VS
(Cer Disk)
Full Scale CI
CO
RB
CI
10 kHz
10 mF 3300 pF 20K
50 kHz
2 m F 330 pF 40K
100 kHz
1 m F 150 pF 43K
250 kHz 0.2mF
60 pF 39K
V RIPPLE
=
2VREFCO (1 - 1.5 x 104 C O FIN )
CI
TRECOVERY = 1.36 x 10 4CI CORB FIN
FIN
(0 -10 kHz)
R1
10K
C IN
CO
3.3 nF
CO
6
7
Trig
One
Shot
R L = 5.1K**
9 FOUT
Gnd 1
8
FOUT**
0.002 pF R2
5.1K
VOUT = 2VREF R B CO F IN
CO
5 x 10 -5
FIN (Max)
VS must be thoroughly decoupled.
** Optional.
Resistance in Ohms unless otherwise specified.
4153-05
Figure 2. Frequency-to-Voltage Converter
7
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