Overview
The AD7871JN is a high-performance, 12-bit, successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to offer high accuracy and reliability, making it suitable for a variety of applications requiring precise analog-to-digital conversion. The AD7871JN features a built-in reference, a high-speed conversion rate, and low power consumption, which are critical for many modern electronic systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Rate | Up to 100 kSPS |
| Analog Input Range | 0 to VREF (external or internal) |
| Reference Voltage | Internal: 2.5V, External: up to 5V |
| Power Supply | Single supply: 4.5V to 5.5V |
| Interface | Serial (SPI-compatible) |
| Operating Temperature | -40°C to +85°C |
| Package | 20-lead PDIP, 20-lead TSSOP |
Key Features
- High-speed conversion rate of up to 100 kSPS
- Internal or external reference voltage options
- Low power consumption: typically 3.3 mW at 100 kSPS
- Serial interface compatible with SPI, QSPI, and MICROWIRE
- On-chip error correction circuitry
- High accuracy: ±1 LSB INL and ±1 LSB DNL
Applications
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
Q & A
- What is the resolution of the AD7871JN ADC?
The AD7871JN has a resolution of 12 bits. - What is the maximum conversion rate of the AD7871JN?
The maximum conversion rate is up to 100 kSPS. - Does the AD7871JN have an internal reference voltage?
Yes, the AD7871JN has an internal reference voltage of 2.5V, but it also supports an external reference voltage. - What is the power supply range for the AD7871JN?
The power supply range is from 4.5V to 5.5V. - What interface does the AD7871JN use?
The AD7871JN uses a serial interface compatible with SPI, QSPI, and MICROWIRE. - What are the operating temperature ranges for the AD7871JN?
The operating temperature range is from -40°C to +85°C. - What packages are available for the AD7871JN?
The AD7871JN is available in 20-lead PDIP and 20-lead TSSOP packages. - How much power does the AD7871JN typically consume?
The AD7871JN typically consumes 3.3 mW at 100 kSPS. - What is the accuracy of the AD7871JN?
The AD7871JN has an accuracy of ±1 LSB INL and ±1 LSB DNL. - What are some common applications for the AD7871JN?
Common applications include industrial control systems, medical devices, aerospace and defense systems, automotive systems, and data acquisition systems.
