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AD698
+Lista de MateriaisADI LVDT SIGNAL CONDITIONER
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FabricanteDispositivos analógicos
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Peça do Fabricante #AD698
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Especificações
| Atributo | Valor |
| Packaging | Tube |
| StandardPackQty | 39 |
Visão Geral
Description
The AD698 is a monolithic LVDT (Linear Variable Differential Transformer) signal conditioner from Analog Devices. It simplifies LVDT interfacing by providing excitation voltage, signal demodulation, and output amplification in a single IC.
Key features:
- Dual synchronous demodulation for accurate position measurement.
- Adjustable excitation frequency (20Hz–20kHz) and amplitude.
- Ratometric operation reduces sensitivity to excitation variations.
- Single or dual-supply operation (±5V to ±15V).
- Output voltage proportional to LVDT core displacement.
Applications include industrial automation, aerospace, and robotics, where precise linear position sensing is critical. The AD698 eliminates the need for complex external circuitry, offering a compact, reliable solution for LVDT-based systems.
For detailed specs, refer to the datasheet or Analog Devices' resources.
Key features:
- Dual synchronous demodulation for accurate position measurement.
- Adjustable excitation frequency (20Hz–20kHz) and amplitude.
- Ratometric operation reduces sensitivity to excitation variations.
- Single or dual-supply operation (±5V to ±15V).
- Output voltage proportional to LVDT core displacement.
Applications include industrial automation, aerospace, and robotics, where precise linear position sensing is critical. The AD698 eliminates the need for complex external circuitry, offering a compact, reliable solution for LVDT-based systems.
For detailed specs, refer to the datasheet or Analog Devices' resources.
Equivalent
The AD698 chip, a signal conditioner for LVDT/RVDT sensors, has several equivalents:
1. AD598 – Similar functionality but older.
2. LVDT Signal Conditioners from Texas Instruments (e.g., PGA970).
3. MAX1452 (Maxim Integrated) – For sensor signal conditioning.
4. ZXL380 (Zetex) – LVDT signal conditioner.
For exact replacements, check datasheets for compatibility.
1. AD598 – Similar functionality but older.
2. LVDT Signal Conditioners from Texas Instruments (e.g., PGA970).
3. MAX1452 (Maxim Integrated) – For sensor signal conditioning.
4. ZXL380 (Zetex) – LVDT signal conditioner.
For exact replacements, check datasheets for compatibility.
Pinout
The AD698 is a 20-pin IC designed for LVDT (Linear Variable Differential Transformer) signal conditioning. Key functions include:
- Pin Count: 20 (DIP or SOIC package)
- Primary Functions:
- Excitation output for LVDT (pins 4, 5, 6)
- Signal conditioning for LVDT secondary outputs (pins 1, 2, 3, 20)
- Ratometric demodulation (pins 7, 8, 9)
- Filtering and amplification (pins 10–14)
- Reference and power supply (pins 15–19, ±15V typical)
It converts LVDT positional data into a DC voltage proportional to displacement, with high accuracy and minimal external components.
- Pin Count: 20 (DIP or SOIC package)
- Primary Functions:
- Excitation output for LVDT (pins 4, 5, 6)
- Signal conditioning for LVDT secondary outputs (pins 1, 2, 3, 20)
- Ratometric demodulation (pins 7, 8, 9)
- Filtering and amplification (pins 10–14)
- Reference and power supply (pins 15–19, ±15V typical)
It converts LVDT positional data into a DC voltage proportional to displacement, with high accuracy and minimal external components.
Manufacturer
The AD698 is manufactured by Analog Devices, Inc. (ADI), a leading American multinational specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Wilmington, Massachusetts, ADI is renowned for its precision data conversion, signal conditioning, and sensor interface technologies. The AD698 is a monolithic LVDT (Linear Variable Differential Transformer) signal conditioner, reflecting ADI’s expertise in industrial and instrumentation applications. The company serves sectors like automotive, healthcare, communications, and aerospace, emphasizing innovation and reliability.
