Overview
The AD652JPZ-REEL7 is a monolithic synchronous voltage-to-frequency converter (VFC) produced by Analog Devices Inc. This device is designed to provide high accuracy and stability in converting analog voltage signals to corresponding frequency outputs. It features an external clock input to set the full-scale frequency, ensuring superior linearity and stability compared to other monolithic VFCs. The AD652JPZ-REEL7 is particularly useful in applications requiring precise frequency output based on analog input signals.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Voltage Range | -15 | - | +15 | V |
| Gain Error (fCLOCK = 200 kHz) | ±0.5% | ±1% | ±1.5% | % |
| Gain Temperature Coefficient (fCLOCK = 200 kHz) | ±25 | ±50 | ±50 | ppm/°C |
| Reference Output Voltage | 4.950 | 5.0 | 5.050 | V |
| Reference Output Drift | 100 | 50 | 50 | ppm/°C |
| Maximum Supply Voltage | - | - | 36 | V |
| Operating Temperature Range | 0 | - | 70 | °C |
| Package Type | - | - | 20-LCC (J-Lead) | - |
| Number of Pins | - | - | 20 | - |
Key Features
- External clock input to set the full-scale frequency, ensuring high linearity and stability.
- Requires only one external component (a noncritical integrator capacitor) for operation.
- Includes a buffered, accurate 5 V reference output.
- Clock input is TTL and CMOS compatible.
- Operates from a single-ended power source, simplifying use with isolated power supplies.
- Available in 20-LCC (J-Lead) package with 20 pins.
- Surface mount type with tin contact plating.
Applications
- FM analog signal modulation and demodulation.
- Speedometers and tachometers.
- Frequency-to-voltage conversion.
- Speed governors.
- 13-bit analog-to-digital converters (ADCs).
- Motor speed control.
- Automotive sensing.
- Touch or sound switches.
- Cruise control and horn control.
Q & A
- What is the primary function of the AD652JPZ-REEL7?
The AD652JPZ-REEL7 is a monolithic synchronous voltage-to-frequency converter, converting analog voltage signals to corresponding frequency outputs.
- What is the significance of the external clock input in the AD652JPZ-REEL7?
The external clock input allows for setting the full-scale frequency, ensuring high linearity and stability in the conversion process.
- What is the typical reference output voltage of the AD652JPZ-REEL7?
The typical reference output voltage is 5.0 V.
- What is the operating temperature range for the AD652JPZ-REEL7?
The operating temperature range is from 0°C to 70°C for the commercial grade.
- What package type and pin count does the AD652JPZ-REEL7 have?
The AD652JPZ-REEL7 comes in a 20-LCC (J-Lead) package with 20 pins.
- What are some common applications of the AD652JPZ-REEL7?
Common applications include FM analog signal modulation, speedometers, frequency-to-voltage conversion, motor speed control, and automotive sensing.
- What is the maximum supply voltage for the AD652JPZ-REEL7?
The maximum supply voltage is 36 V.
- Is the AD652JPZ-REEL7 compatible with TTL and CMOS logic?
Yes, the clock input of the AD652JPZ-REEL7 is TTL and CMOS compatible.
- How many external components are required for the operation of the AD652JPZ-REEL7?
The AD652JPZ-REEL7 requires only one external component, a noncritical integrator capacitor, for operation.
- What is the typical gain error of the AD652JPZ-REEL7 at a clock frequency of 200 kHz?
The typical gain error at a clock frequency of 200 kHz is ±0.5%.
