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參數資料
| 型號： | VFC320SM |
| 英文描述： | Voltage-to-Frequency and Frequency-to-Voltage CONVERTER |
| 中文描述： | 電壓的頻率和頻率電壓轉換器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 122K |
| 代理商： | VFC320SM |
1982 Burr-Brown Corporation
PDS-483J
Printed in U.S.A. August, 1993
VFC320
Comparators
–7.5V Ref
Flip-
flop
Common
f
OUT
f
IN
One-shot
V
OUT
+V
CC
–In
+In
–V
CC
C
1
FEATURES
G
HIGH LINEARITY, 12 to 14 bits
±
0.005% max at 10kHz FS
±
0.03% max at 100kHz FS
±
0.1% typ at 1MHz FS
G
V/F OR F/V CONVERSION
G
6-DECADE DYNAMIC RANGE
G
20ppm/
°
C max GAIN DRIFT
G
OUTPUT TTL/CMOS COMPATIBLE
APPLICATIONS
G
INEXPENSIVE A/D AND D/A CONVERTER
G
DIGITAL PANEL METERS
G
TWO-WIRE DIGITAL TRANSMISSION
WITH NOISE IMMUNITY
G
FM MOD/DEMOD OF TRANSDUCER
SIGNALS
G
PRECISION LONG TERM INTEGRATOR
G
HIGH RESOLUTION OPTICAL LINK FOR
ISOLATION
G
AC LINE FREQUENCY MONITOR
G
MOTOR SPEED MONITOR AND CONTROL
Voltage-to-Frequency
and Frequency-to-Voltage
CONVERTER
DESCRIPTION
The VFC320 monolithic voltage-to-frequency and fre-
quency-to-voltage converter provides a simple low
cost method of converting analog signals into digital
pulses. The digital output is an open collector and the
digital pulse train repetition rate is proportional to the
amplitude of the analog input voltage. Output pulses
are compatible with TTL, and CMOS logic families.
High linearity (0.005%, max at 10kHz FS) is achieved
with relatively few external components. Two exter-
nal resistors and two external capacitors are required
to operate. Full scale frequency and input voltage are
determined by a resistor in series with –In and two
capacitors (one-shot timing and input amplifier inte-
gration). The other resistor is a non-critical open
collector pull-up (f
to +V
). The VFC320 is avail-
able in three performance/temperature grades and two
package configurations. The TO-100 versions are her-
metically sealed, and specified for the –25
°
C to +85
°
C
and –55
°
C to +125
°
C ranges, and the dual-in-line
units are specified from –25
°
C to +85
°
C.
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111 Twx: 910-952-1111
Internet: http://www.burr-brown.com/ FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
相關PDF資料 |
PDF描述 |
|---|---|
| VFC32 | Voltage-to-Frequency and Frequency-to-Voltage CONVERTER |
| VFC32BM | Voltage-to-Frequency and Frequency-to-Voltage CONVERTER |
| VFC32KP | Voltage-to-Frequency and Frequency-to-Voltage CONVERTER |
| VFC32KU | Voltage-to-Frequency and Frequency-to-Voltage CONVERTER |
| VFC32SM | Voltage-to-Frequency and Frequency-to-Voltage CONVERTER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| VFC-3215 | 制造商:Quest Technology International Inc 功能描述: |
| VFC-3225 | 制造商:Quest Technology International Inc 功能描述: |
| VFC-3250 | 制造商:Quest Technology International Inc 功能描述: |
| VFC32BM | 制造商:BB 制造商全稱:BB 功能描述:Voltage-to-Frequency and Frequency-to-Voltage CONVERTER |
| VFC32KP | 功能描述:電壓頻率轉換及頻率電壓轉換 VOLTAGE-TO-FREQUENCY CONVERTER RoHS:否 制造商:Texas Instruments 全標度頻率:4000 KHz 線性誤差:+/- 1 % FSR 電源電壓-最大: 電源電壓-最小: 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風格:Through Hole 封裝 / 箱體:PDIP-14 封裝:Tube |
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