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  • AD654 IC - Voltage to Frequency Converter IC

The AD654 is a monolithic V/F 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 500 kHz and any FS input voltage up to ± 30 V. Linearity error is only 0.03% for a 250 kHz FS, and operation is guaranteed over an 80 dB dynamic range. The overall temperature coefficient (excluding the effects of external components) is typically ±50 ppm/°C. The AD654 operates from a single supply of 5 V to 36 V and consumes only 2.0 mA quiescent current. The low drift (4 µV/°C typ) input amplifier allows operation directly from small signals such as thermocouples or strain gauges while offering a high (250 MΩ) input resistance. Unlike most V/F converters, the AD654 provides a square-wave output, and can drive up to 12 TTL loads, optocouplers, long cables, or similar loads. 

Features:-

• Low Cost 

Single or Dual Supply, 5 V to 36 V, 65 V to 618 V 

Full-Scale Frequency Up to 500 kHz 

Minimum Number of External Components Needed 

Versatile Input Amplifier 

   -Positive or Negative Voltage Modes 

   -Negative Current Mode 

   -High Input Impedance, Low Drift 

Low Power: 2.0 mA Quiescent Current 

Low Offset: 1 mV  

Specification:-

Parameter  Specification
Supply Voltage 36 V
Maximum Input Voltage −300 mV to +VS
Maximum Output Current: ±18 V
Instantaneous 50 mA
Sustained 25 mA
Logic Common to −VS −500 mV to (+VS –4)
Storage Temperature Range −65°C to +150°C


Related Document:-

 AD654 IC Data Sheet

Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 447.22 (Inclusive of all Taxes)
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AD654 IC - Voltage to Frequency Converter IC

  • Product Code: EC-1858
  • Availability: 567
  • Rs.345.00
  • (Excluding 18% GST)

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