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參數(shù)資料
| 型號(hào)： | TC9402EJD |
| 廠商： | TelCom Semiconductor, Inc. |
| 英文描述： | POT 1.0K OHM 6MM CERMET TOP SMD |
| 中文描述： | VOLTAGE-TO-FREQUENCY/FREQUENCY-TO-VOLTAGE變換器 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大小： | 154K |
| 代理商： | TC9402EJD |
3-297
TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
0.5μsec
MIN
5.0μsec
MIN
DELAY = 3μsec
INPUT
fOUT
fOUT/2
Figure 7. DC — 10 kHz F/V Converter
TC9400A
TC9401A
TC9402A
+5V
14
VDD
V+
V+
fOUT/2
fOUT
OUTPUT
COMMON
10
9
8
5
3
12
12pF
CREF
56 pF
SEE
EQUATION,
PAGE 12
CINT
1000pF
RINT
1 M
60pF
AMP
OUT
VO
VSS
IBIAS
1
4
10 k
2.2k
100k
2 k
–5V
+5V
ZERO ADJUST
2
7
(TYPICALLY –5V)
VREF
fIN
11
THRESHOLD
DETECTOR
3
μ
sec
DELAY
*
*
*
* OPTIONAL
IF BUFFER
IS NEEDED
OFFSET
ADJUST
VREF
OUT
IIN
4
2
–
+
OP
+
VREF
SEE
FIGURE
6
6
GND
THRESHOLD
DETECT
Figure 8 . F/V Digital Outputs
Input Buffer
f
OUT
and f
OUT
/2 are not used in the F/V mode. However,
these outputs may be useful for some applications, such as
a buffer to feed additional circuitry. Then, f
OUT
will follow the
input frequency waveform, except that f
OUT
will go high
3
μ
sec after f
IN
goes high; f
OUT
/2 will be squarewave with a
frequency of one-half f
OUT
.
If these outputs are not used, pins 8, 9 and 10 should be
connected to ground.
VOLTAGE-TO-FREQUENCY/
FREQUENCY-TO-VOLTAGE CONVERTERS
TC9400
TC9401
TC9402
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC9491ACOA | LOW POWER, BANDGAP VOLTAGE REFERENCES |
| TC9491A | LOW POWER, BANDGAP VOLTAGE REFERENCES |
| TC9491ACZM | LOW POWER, BANDGAP VOLTAGE REFERENCES |
| TC9491B | LOW POWER, BANDGAP VOLTAGE REFERENCES |
| TC9491BCOA | LOW POWER, BANDGAP VOLTAGE REFERENCES |
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