Overview
The AD652JPZ from Analog Devices Inc. is a monolithic synchronous voltage-to-frequency converter (SVFC) designed for precision analog-to-digital conversion. This component is a powerful building block for various applications requiring accurate and stable frequency output based on input voltage. The AD652JPZ is available in a 20-lead PLCC (J-Lead) package and is specified for operation over the 0°C to +70°C commercial temperature range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Full-scale Frequency | - | Up to 2 MHz | - | Hz |
| Gain Error (fCLOCK = 200 kHz) | ±0.5% | ±1% | ±0.25% | % |
| Gain Error (fCLOCK = 1 MHz) | ±0.5% | ±1% | ±0.25% | % |
| Gain Temperature Coefficient (fCLOCK = 200 kHz) | ±25 ppm/°C | ±50 ppm/°C | ±15 ppm/°C | ppm/°C |
| Reference Voltage | - | 5 V | - | V |
| Supply Voltage Range | 6 V | - | 18 V | V |
| Operating Temperature Range | 0°C | - | +70°C | °C |
| Package Type | - | 20-LCC (J-Lead) | - | - |
Key Features
- Full-scale Frequency Control: The full-scale frequency is set by an external system clock, allowing for superior linearity and stability.
- Low Linearity Error: Extremely low linearity error, with a maximum of 0.005% at 1 MHz full-scale frequency and 0.02% at 2 MHz full-scale frequency.
- No Critical External Components: Requires only one noncritical external integrator capacitor for operation.
- Accurate 5 V Reference Voltage: Includes a buffered, accurate 5 V reference voltage.
- Low Drift: Low drift of 25 ppm/°C maximum.
- Dual- or Single-Supply Operation: Can operate from either dual or single power supplies, making it versatile for various applications.
- MIL-STD-883 Compliant Versions: Available in versions that comply with MIL-STD-883 standards).
Applications
- Precision Analog-to-Digital Conversion: Ideal for applications requiring precise conversion of analog signals to digital frequencies.
- Single- and Multichannel Systems: Suitable for use in both single- and multichannel systems due to its stable and linear transfer function).
- Industrial and Commercial Environments: Can be used in various temperature ranges, making it suitable for both industrial and commercial applications.
- Isolated Power Supplies: Can be used with isolated power supplies due to its ability to operate from a single-ended power source).
Q & A
- What is the AD652JPZ used for?
The AD652JPZ is a synchronous voltage-to-frequency converter used for precision analog-to-digital conversion.
- What is the maximum full-scale frequency of the AD652JPZ?
The maximum full-scale frequency is up to 2 MHz, set by an external system clock.
- What is the linearity error of the AD652JPZ?
The linearity error is extremely low, with a maximum of 0.005% at 1 MHz full-scale frequency and 0.02% at 2 MHz full-scale frequency.
- Does the AD652JPZ require any critical external components?
No, it requires only one noncritical external integrator capacitor for operation.
- What is the reference voltage provided by the AD652JPZ?
The AD652JPZ includes a buffered, accurate 5 V reference voltage.
- What is the operating temperature range of the AD652JPZ?
The operating temperature range is 0°C to +70°C for the commercial grade.
- Can the AD652JPZ operate with isolated power supplies?
Yes, it can operate from a single-ended power source, making it suitable for use with isolated power supplies.
- Is the AD652JPZ compliant with any military standards?
Yes, versions of the AD652JPZ are available that comply with MIL-STD-883 standards.
- What package type is the AD652JPZ available in?
The AD652JPZ is available in a 20-LCC (J-Lead) package.
- What are some common applications of the AD652JPZ?
Common applications include precision analog-to-digital conversion, single- and multichannel systems, and use in industrial and commercial environments.
