Overview
The AD537JH is a monolithic voltage-to-frequency (V-F) converter produced by Analog Devices Inc. This integrated circuit combines an input amplifier, a precision oscillator system, and an accurate internal reference generator, making it a versatile tool for various analog-to-digital conversion applications. The AD537JH operates on a single supply voltage ranging from 5V to 36V, offering flexibility in system design.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Frequency Range | 0 kHz to 150 kHz | |
| Nonlinearity (fMAX = 10 kHz) | 0.15% max (0.1% typ) | Defined as deviation from a straight line from zero to full scale, expressed as a percentage of full scale |
| Nonlinearity (fMAX = 100 kHz) | 0.25% max (0.15% typ) | |
| Full-Scale Calibration Error | ±10% max (C = 0.01 µF, IIN = 1.000 mA) | |
| Supply Voltage Range | 5 V to 36 V | |
| Temperature Range (Rated Performance) | 0°C to +70°C | |
| Temperature Range (Storage) | –65°C to +150°C | |
| Quiescent Current | 1.2 mA (2.5 mA max) | |
| Output Stage Current Capability | Up to 20 mA (10 mA for “H” package) | Maximum saturation voltage of 0.4 volts |
Key Features
- Versatile Input Amplifier: The AD537JH includes a versatile input amplifier that can handle a wide range of input signals.
- Precision Oscillator System: The device features a precision oscillator system that ensures high accuracy in frequency output.
- Accurate Internal Reference Generator: An accurate internal reference generator is integrated, providing stable and reliable operation.
- High Current Output Stage: The output stage can supply up to 20 mA of current, making it suitable for driving various loads.
- Single Supply Operation: The device operates on a single supply voltage ranging from 5V to 36V, enhancing design flexibility.
Applications
- Analog-to-Digital Conversion: The AD537JH is widely used in analog-to-digital conversion applications due to its high linearity and precision.
- Industrial Control Systems: It is suitable for use in industrial control systems where accurate and reliable signal conversion is critical.
- Medical Devices: The device can be used in medical equipment where precise signal conversion is necessary.
- Automotive Systems: It can be applied in automotive systems for various sensor and control applications.
Q & A
- What is the frequency range of the AD537JH?
The frequency range of the AD537JH is from 0 kHz to 150 kHz. - What is the nonlinearity of the AD537JH at 10 kHz full-scale output?
The nonlinearity at 10 kHz full-scale output is 0.15% max (0.1% typical). - What is the supply voltage range for the AD537JH?
The supply voltage range is from 5 V to 36 V. - What is the temperature range for rated performance of the AD537JH?
The temperature range for rated performance is from 0°C to +70°C. - How much current can the output stage of the AD537JH supply?
The output stage can supply up to 20 mA of current (10 mA for “H” package). - What is the maximum saturation voltage of the output stage?
The maximum saturation voltage of the output stage is 0.4 volts. - Can the AD537JH be used in industrial control systems?
Yes, the AD537JH is suitable for use in industrial control systems due to its high accuracy and reliability. - Is the AD537JH suitable for medical devices?
Yes, the device can be used in medical equipment where precise signal conversion is necessary. - How does the AD537JH handle large negative voltage inputs?
Large negative voltage levels can be applied to the negative terminal if the input is scaled to match the supply voltage constraints. - What is the quiescent current of the AD537JH?
The quiescent current is 1.2 mA (2.5 mA maximum).
