AD654JN Voltage-to-Frequency Converter IC
520৳
The AD654 is a monolithic V/F converter consisting of an input amplifier, a precision oscillator system, and a high current output stage. Its operates from a single supply of 5 V to 36 V and consumes only 2.0 mA quiescent current.
Description
The AD654JN, 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 M(ohm)) 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, ±5 V to ±18 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
Packing List:
1Pc * AD654JN Voltage-to-Frequency Converter IC
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