Overview
The AD7938BCPZ-6REEL7 is a high-performance, 12-bit successive approximation (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed for low power consumption and high-speed operation, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
The ADC operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 625 kSPS. It includes a low noise, wide bandwidth, differential track-and-hold amplifier capable of handling input frequencies up to 50 MHz. The device is housed in a 32-lead LFCSP package and supports various input configurations, including single-ended, fully differential, and pseudo-differential inputs.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Number of Channels | 8 |
| Sampling Rate | Up to 625 kSPS |
| Input Type | Single-ended, Fully Differential, Pseudo-Differential |
| Package Type | 32-Lead LFCSP |
| Operating Temperature | -40°C to +85°C |
| Supply Voltage (Analog/Digital) | 2.7 V to 5.25 V |
| Reference Type | Internal (2.5 V), External |
| Data Interface | Parallel |
Key Features
- High-Speed Operation: Throughput rates up to 625 kSPS.
- Flexible Input Configurations: Supports single-ended, fully differential, and pseudo-differential inputs.
- Low Power Consumption: Operates from a single 2.7 V to 5.25 V power supply.
- On-Chip Reference: Accurate 2.5 V internal reference available.
- Channel Sequencer: User-programmable channel sequencer for sequential conversion of channels.
- Wide Input Frequency Range: Can handle input frequencies up to 50 MHz.
- Flexible Power Management: Options to optimize power performance based on throughput rate.
Applications
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: Suitable for medical equipment requiring high accuracy and low power consumption.
- Aerospace and Defense: For applications needing robust and reliable analog-to-digital conversion.
- Automotive Systems: Used in automotive sensors and control systems.
- Test and Measurement Equipment: For high-precision measurement instruments.
Q & A
- What is the maximum sampling rate of the AD7938BCPZ-6REEL7?
The maximum sampling rate is up to 625 kSPS.
- What types of input configurations are supported by the AD7938BCPZ-6REEL7?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- What is the operating temperature range of the AD7938BCPZ-6REEL7?
The operating temperature range is -40°C to +85°C.
- Does the AD7938BCPZ-6REEL7 have an internal reference voltage?
Yes, it has an accurate on-chip 2.5 V internal reference.
- What is the package type of the AD7938BCPZ-6REEL7?
The device is housed in a 32-lead LFCSP package.
- Can the AD7938BCPZ-6REEL7 handle high-frequency inputs?
Yes, it can handle input frequencies up to 50 MHz.
- How is the conversion process controlled in the AD7938BCPZ-6REEL7?
The conversion process is controlled using standard control inputs that allow easy interfacing with microprocessors and DSPs.
- Does the AD7938BCPZ-6REEL7 support flexible power management options?
Yes, it provides options to optimize power performance based on the throughput rate.
- What is the supply voltage range for the AD7938BCPZ-6REEL7?
The supply voltage range is 2.7 V to 5.25 V for both analog and digital supplies.
- Is the AD7938BCPZ-6REEL7 RoHS compliant?
Yes, the device is RoHS compliant.
