Datasheet for AD654JRZ:
- Manufacturer Part Number : AD654JRZ
- Manufacturer : AD
- Description : Low Cost Monolithic Voltage-to-Frequency Converter IC
- Series : AD654
- Reference Price : USD 4.272
- Our Price : We have a better price, contact us by email
- Product Type : Integrated/Special Purpose A/D Converters
- Function : Voltage to Frequency Converters
- Current Suggest : Not Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 8-Lead SOIC
- Pins : 8
- MFG Package Case : R-8
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 98
- Working Temperature : -40 to 85C
- Other Part Number : AD654JRZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 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
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 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.
This designates products ADI does not recommend broadly for new designs.