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부품번호 | VFC32SM 기능 |
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기능 | Voltage-to-Frequency and Frequency-to-Voltage CONVERTER | ||
제조업체 | Burr-Brown Corporation | ||
로고 | |||
전체 7 페이지수
® VFC32
Voltage-to-Frequency
and Frequency-to-Voltage
CONVERTER
FEATURES
q OPERATION UP TO 500kHz
q EXCELLENT LINEARITY
±0.01% max at 10kHz FS
±0.05% max at 100kHz FS
q V/F OR F/V CONVERSION
q MONOTONIC
q VOLTAGE OR CURRENT INPUT
APPLICATIONS
q INTEGRATING A/D CONVERTER
q SERIAL FREQUENCY OUTPUT
q ISOLATED DATA TRANSMISSION
q FM ANALOG SIGNAL MOD/DEMOD
q MOTOR SPEED CONTROL
q TACHOMETER
DESCRIPTION
The VFC32 voltage-to-frequency converter provides
an output frequency accurately proportional to its
input voltage. The digital open-collector frequency
output is compatible with all common logic families.
Its integrating input characteristics give the VFC32
excellent noise immunity and low nonlinearity.
Full-scale output frequency is determined by an exter-
nal capacitor and resistor and can be scaled over a
wide range. The VFC32 can also be configured as a
frequency-to-voltage converter.
The VFC32 is available in 14-pin plastic DIP, SO-14
surface-mount, and metal TO-100 packages. Commer-
cial, industrial, and military temperature range models
are available.
VOUT
Comparator
Input
+VCC
fOUT
–In
One-Shot
+In
VFC32
Common
–VCC
One-Shot
Capacitor
International Airport Industrial Park • Mailing Address: PO Box 11400 • Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706
Tel: (602) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (602) 889-1510 • Immediate Product Info: (800) 548-6132
©1977 Burr-Brown Corporation
PDS-372G
Printed in U.S.A. October, 1998
TYPICAL PERFORMANCE CURVES
At TA = +25°C and VCC = ±15V, unless otherwise noted.
LINEARITY ERROR vs FULL SCALE FREQUENCY
0.10
Duty Cycle = 25%
at Full Scale
LINEARITY ERROR vs OPERATING FREQUENCY
1
fFULL SCALE = 10kHz, 25% Duty Cycle
TA = +25°C
0.5
0.01 0
0.001
1k
TA = +25°C
10k 100k
Full Scale Frequency (Hz)
1M
–0.5
–1.0
0 1k 2k 3k 4k 5k 6k 7k 8k 9k 10k
Operating Frequency (Hz)
1000
FULL SCALE DRIFT vs FULL SCALE FREQUENCY
100 (SM, KP, KU)
(BM)
10
1k
10k 100k
Full Scale Frequency (Hz)
1M
VFC32
4
4페이지 +15V
0 to 10kHz
fIN
5V Logic
Input
500pF
12kΩ
2.2kΩ
2.5V
0V
–2.5V
C2
0.1µF
R1
40kΩ
+15V
100kΩ
10MΩ
1
14
–15V
FIGURE 4. Frequency-to-Voltage Converter Circuit.
0V
13 10
+15V
12
One-Shot
VO
0 to 10V
7
NC
4
–15V
11
VFC32
5
C1
3.3nF
C2
2nF
1
VIN
0V to –10V
14
R1
40kΩ
13 10
Nonlinearity may be higher than
specified due to common-mode
voltage on op amp input.
0.1µF 4
–15V
FIGURE 5. V/F Converter—Negative Input Voltage.
+15V
0.1µF
12
One-Shot
+5V
7
fOUT
0 to 50kHz
11
VFC32
5
C1
650pF
Pinout shown is
for DIP or SOIC
package.
7 VFC32
7페이지 | |||
구 성 | 총 7 페이지수 | ||
다운로드 | [ VFC32SM.PDF 데이터시트 ] |
당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는 |
구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
VFC32SM | Voltage-to-Frequency and Frequency-to-Voltage CONVERTER | Burr-Brown Corporation |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |