TC9400CPD TELCOM SEMICONDUCTOR, TC9400CPD Datasheet - Page 13

• Manufacturer Part Number: TC9400CPD
• Description: IC, F/V-V/F CONVERTER, 9400, DIP14
• Manufacturer: TELCOM SEMICONDUCTOR

Specifications of TC9400CPD

• Frequency: 100kHz
• Linearity %: 0.05%
• Supply Voltage Range: ± 4V To ± 7.5V
• Digital Ic Case Style: DIP
• No. Of Pins: 14
• Operating Temperature Max: 70°C
• Operating Temperature Min: 0°C
• Package /: RoHS Compliant
• Full Scale Range: 10Hz To 100kHz
• Rohs Compliant: Yes
• Bandwidth: 100kHz
• Base Number: 9400

FIGURE 7-2:
7.3
F
ever, these outputs may be useful for some applica-
tions, such as a buffer to feed additional circuitry. Then,
F
that F
F
one-half F
If these outputs are not used, Pins 8, 9 and 10 should be
connected to ground (see Figure 7-3 and Figure 7-4).
©
OUT
OUT
OUT
2002 Microchip Technology Inc.
/2 will be square wave with a frequency of
and F
will follow the input frequency waveform, except
OUT
Input Buffer
OUT
Frequency
OUT
will go high 3µsec after F
.
Input
/2 are not used in the F/V mode. How-
100k
Note: The output is referenced to Pin 6, which is at 6.2V (Vz). For frequency meter applications,
F/V SINGLE SUPPLY F/V CONVERTER
Offset
Adjust
a 1mA meter with a series scaling resistor can be placed across Pins 6 and 12.
33k
10k
6.2V
0.01µF
500k
IN
goes high;
.01µF
IN914
0.1µF
V+
10k
1.0k
1.0k
1.0M
11
6
2
FIGURE 7-3:
0.5µsec
Zero
Adjust
I
GND
DET
BIAS
V+ = 10V to 15V
Min
F
100k
F
TC9400
Input
OUT
TC9400/9401/9402
OUT
V
/2
V
REF
DD
V
14
7
REF
Amp Out
V
SS
4
OUT
GND
I
IN
Delay = 3µsec
F/V DIGITAL OUTPUTS
5
3
12
6
5.0µsec
1M
Min
47pF
DS21483B-page 13
.001µF
V
OUT