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VFC320

Features: ·HIGH LINEARITY, 12 to 14 bits ±0.005% max at 10kHz FS ±0.03% max at 100kHz FS ±0.1% typ at 1MHz FS·V/F OR F/V CONVERSION·6-DECADE DYNAMIC RANGE·20ppm/°C max GAIN DRIFT·OUTPUT TTL/CMOS COMPATIBLEApplication·INEXPENSIVE A/D AND D/A CONVERTER·DIGITAL PANEL METERS·TWO-WIRE DIGITAL TRANSMISS...

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SeekIC No. : 004541246 Detail

VFC320: Features: ·HIGH LINEARITY, 12 to 14 bits ±0.005% max at 10kHz FS ±0.03% max at 100kHz FS ±0.1% typ at 1MHz FS·V/F OR F/V CONVERSION·6-DECADE DYNAMIC RANGE·20ppm/°C max GAIN DRIFT·OUTPUT TTL/CMOS COM...

VFC320 Data Sheet

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Part Number:
VFC320
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·HIGH LINEARITY, 12 to 14 bits
   ±0.005% max at 10kHz FS
   ±0.03% max at 100kHz FS
   ±0.1% typ at 1MHz FS
·V/F OR F/V CONVERSION
·6-DECADE DYNAMIC RANGE
·20ppm/°C max GAIN DRIFT
·OUTPUT TTL/CMOS COMPATIBLE


Application

·INEXPENSIVE A/D AND D/A CONVERTER
·DIGITAL PANEL METERS
·TWO-WIRE DIGITAL TRANSMISSION WITH NOISE IMMUNITY
·FM MOD/DEMOD OF TRANSDUCER SIGNALS
·PRECISION LONG TERM INTEGRATOR
·HIGH RESOLUTION OPTICAL LINK FOR ISOLATION
·AC LINE FREQUENCY MONITOR
·MOTOR SPEED MONITOR AND CONTROL


Pinout

Connection Diagram


Specifications

Supply Voltage ...................................................................................... ±20V
Output Sink Current at fOUT .................................................................. 50mA
Output Current at VOUT ...................................................................... +20mA
Input Voltage, Input ........................................................................... ±VCC
Input Voltage, +Input ............................................................................ ±VCC
Storage Temperature Range ....................................... .... 65°C to +150°C
Lead Temperature (soldering, 10s) ................................................... +300°C


Description

The VFC320 monolithic voltage-to-frequency and frequency- to-voltage converter provides a simple low cost method of converting analog signals into digital
pulses. The digital output of VFC320 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 external 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 integration).The other resistor is a non-critical open collector pull-up (fOUT to +VCC). The VFC320 is available in three performance/temperature grades and two package configurations. The TO-100 versions are hermetically 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.




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