Low

ANALOG DEVICES  AD654JNZ  Voltage to Frequency Converter, 500 kHz, 0Hz to 500kHz, 0.4 %, 5V to 36V, DIP, 8 Pins

ANALOG DEVICES AD654JNZ
Technical Data Sheet (354.10KB) EN See all Technical Docs

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Product Overview

The AD654JNZ is a Monolithic Voltage to Frequency Converter consisting of an input amplifier, a precision oscillator system and a high current output stage. A single RC network is all that is required to set up any full scale (FS) frequency up to 500kHz and any FS input voltage up to ±30V. Linearity error is only 0.03% for a 250kHz FS and operation is guaranteed over an 80dB dynamic range. The overall temperature coefficient (excluding the effects of external components) is typically ±50ppm/°C. The converter operates from a single supply of 5 to 36V and consumes only 2.0mA quiescent current. The low drift (4µV/°C typical) input amplifier allows operation directly from small signals such as thermocouples or strain gauges while offering a high (250MΩ) input resistance. Unlike most V/F converters, the AD654 provides a square-wave output and can drive up to 12 TTL loads, opto couplers, long cables or similar loads.
  • Single or dual supply
  • Full-scale frequency up to 500kHz
  • Minimum number of external components needed
  • Versatile input amplifier
  • Positive or negative voltage modes
  • Negative current mode
  • High input impedance
  • Low power
  • 2mA Quiescent current
  • Low offset
  • Low drift
ESD sensitive device, take proper precaution while handling the device.

 

Product Information

Frequency:
500kHz
Full Scale Range:
0Hz to 500kHz
Linearity %:
0.4%
Supply Voltage Range:
5V to 36V
Digital IC Case:
DIP
No. of Pins:
8Pins
Packaging:
Each
Product Range:
AD654 Series
MSL:
-
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Signal Processing

Legislation and Environmental

Moisture Sensitivity Level:
-
RoHS Compliant:
Yes

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