IC V-F/F-V CONVERTER 14SOIC

 

VFC32KU/2K5G4

Manufacturer Part NumberVFC32KU/2K5G4
DescriptionIC V-F/F-V CONVERTER 14SOIC
ManufacturerTexas Instruments
VFC32KU/2K5G4 datasheets

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Specifications of VFC32KU/2K5G4

Converter FunctionVFC/FVCFull Scale Frequency100
Power Supply RequirementDualSingle Supply Voltage (typ)Not RequiredV
Single Supply Voltage (max)Not RequiredVSingle Supply Voltage (min)Not RequiredV
Dual Supply Voltage (typ)±15VDual Supply Voltage (min)±11V
Dual Supply Voltage (max)±20VOperating Temperature (min)0C
Operating Temperature (max)70COperating Temperature ClassificationCommercial
Package TypeSOICMaximum Operating Temperature+ 70 C
Minimum Operating Temperature0 CPackage / CaseSOIC-14
Dual Supply Voltage+/- 15 VLinearity Error+/- 0.05 % FSR
Maximum Dual Supply Voltage+/- 20 VMinimum Dual Supply Voltage+/- 11 V
Mounting StyleSMD/SMTFrequency500kHz
Full Scale Range10kHz To 100kHzLinearity %0.05%
Supply Voltage Range± 11V To ± 20VDigital Ic Case StyleSOIC
No. Of Pins14Leaded Process CompatibleYes
Rohs CompliantYesLead Free Status / RoHS StatusLead free / RoHS Compliant
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FEATURES
OPERATION UP TO 500kHz
EXCELLENT LINEARITY
0.01% max at 10kHz FS
0.05% max at 100kHz FS
V/F OR F/V CONVERSION
MONOTONIC
VOLTAGE OR CURRENT INPUT
APPLICATIONS
INTEGRATING A/D CONVERTER
SERIAL FREQUENCY OUTPUT
ISOLATED DATA TRANSMISSION
FM ANALOG SIGNAL MOD/DEMOD
MOTOR SPEED CONTROL
TACHOMETER
–In
+In
International Airport Industrial Park
Tel: (602) 746-1111
• Twx: 910-952-1111
©
1977 Burr-Brown Corporation
SBVS015
®
Voltage-to-Frequency
and Frequency-to-Voltage
CONVERTER
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.
Comparator
V
Input
+V
OUT
CC
One-Shot
–V
One-Shot
CC
Capacitor
• Mailing Address: PO Box 11400
• Tucson, AZ 85734
• Cable: BBRCORP
• Telex: 066-6491
• FAX: (602) 889-1510
PDS-372G
VFC32
f
OUT
Common
VFC32
• Street Address: 6730 S. Tucson Blvd.
• Tucson, AZ 85706
• Immediate Product Info: (800) 548-6132
Printed in U.S.A. October, 1998

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VFC32KU/2K5G4 Summary of contents

  • Page 1

    FEATURES OPERATION UP TO 500kHz EXCELLENT LINEARITY 0.01% max at 10kHz FS 0.05% max at 100kHz FS V/F OR F/V CONVERSION MONOTONIC VOLTAGE OR CURRENT INPUT APPLICATIONS INTEGRATING A/D CONVERTER SERIAL FREQUENCY OUTPUT ISOLATED DATA TRANSMISSION FM ANALOG SIGNAL MOD/DEMOD ...

  • Page 2

    SPECIFICATIONS +25 C and V = 15V, unless otherwise noted PARAMETER CONDITIONS INPUT (V/F CONVERTER /7 OUT Voltage Range (1) Positive Input Negative Input Current Range (1) ...

  • Page 3

    ABSOLUTE MAXIMUM RATINGS Supply Voltage ................................................................................... 22V Output Sink Current (F ) ................................................................ 50mA OUT Output Current (V ) ...................................................................... +20mA OUT Input Voltage, –Input ..................................................................... Supply Input Voltage, +Input ..................................................................... Supply Comparator Input .......................................................................... Supply Storage Temperature Range: VFC32BM, ...

  • Page 4

    TYPICAL PERFORMANCE CURVES +25 C and V = 15V, unless otherwise noted LINEARITY ERROR vs FULL SCALE FREQUENCY 0.10 Duty Cycle = 25% at Full Scale 0.01 0.001 1k 10k Full Scale Frequency (Hz) 1000 ...

  • Page 5

    APPLICATION INFORMATION Figure 1 shows the basic connection diagram for frequency- to-voltage conversion. R sets the input voltage range. For a 1 10V full-scale input, a 40k input resistor is recommended. Other input voltage ranges can be achieved by changing ...

  • Page 6

    FREQUENCY-TO-VOLTAGE CONVERSION Figure 4 shows the VFC32 connected as a frequency-to- voltage converter. The capacitive-coupled input network C R and R allow standard 5V logic levels to trigger the 6 7 comparator input. The comparator triggers the one-shot on the ...

  • Page 7

    IN 5V Logic 2.2k Input 10M +15V 100k –15V FIGURE 4. Frequency-to-Voltage Converter Circuit –10V R 1 40k Nonlinearity may be higher than specified due to common-mode ...

  • Page 8

    ... VFC32KP ACTIVE VFC32KPG4 ACTIVE VFC32KU ACTIVE VFC32KU/2K5 ACTIVE VFC32KU/2K5G4 ACTIVE VFC32KUE4 ACTIVE (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design ...

  • Page 9

    TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Type Drawing VFC32KU/2K5 SOIC PACKAGE MATERIALS INFORMATION Pins SPQ Reel Reel Diameter Width (mm) W1 (mm 2500 330.0 16.4 Pack Materials-Page ...

  • Page 10

    Device Package Type VFC32KU/2K5 SOIC PACKAGE MATERIALS INFORMATION Package Drawing Pins SPQ Length (mm 2500 Pack Materials-Page 2 20-Jul-2010 Width (mm) Height (mm) 346.0 346.0 33.0 ...

  • Page 11

    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...

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