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VFC110SG fiches techniques PDF

Burr-Brown Corporation - High-Frequency VOLTAGE-TO-FREQUENCY CONVERTER

Numéro de référence VFC110SG
Description High-Frequency VOLTAGE-TO-FREQUENCY CONVERTER
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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VFC110SG fiche technique
® VFC110
High-Frequency
VOLTAGE-TO-FREQUENCY CONVERTER
FEATURES
q HIGH-FREQUENCY OPERATION:
4MHz FS max
q EXCELLENT LINEARITY:
±0.02% typ at 2MHz
q PRECISION 5V REFERENCE
q DISABLE PIN
q LOW JITTER
APPLICATIONS
q INTEGRATING A/D CONVERSION
q PROCESS CONTROL
q VOLTAGE ISOLATION
q VOLTAGE-CONTROLLED OSCILLATOR
q FM TELEMETRY
DESCRIPTION
The VFC110 voltage-to-frequency converter is a third-
generation VFC offering improved features and per-
formance. These include higher frequency operation,
an on-board precision 5V reference and a Disable
function.
The precision 5V reference can be used for offsetting
the VFC transfer function, as well as exciting trans-
ducers or bridges. The Enable pin allows several
VFCs’ outputs to be paralleled, multiplexed, or simply
to shut off the VFC. The open-collector frequency
output is TTL/CMOS-compatible. The output may be
isolated by using an opto-coupler or transformer.
Internal input resistor, one-shot and integrator capaci-
tors simplify applications circuits. These components
are trimmed for a full-scale output frequency of 4MHz
at 10V input. No additional components are required
for many applications.
The VFC110 is packaged in plastic and ceramic
14-pin DIPs. Industrial and military temperature range
gradeouts are available.
IIN VOUT Comparator
1 12 11
+VS
10
V IN 2
Input Common 14
One-Shot
V REF
8 fOUT
7 Digital Ground
5 Enable
4
13 3
6
–VS
Analog Ground 5V
COS
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
© 1988 Burr-Brown Corporation
PDS-861B
Printed in U.S.A. October, 1993

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