Overview
The AD7851ARZ is a high-speed, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 5 V power supply and is designed for high-performance applications. It features a throughput rate of up to 333 kSPS and includes self-calibration and system calibration options to ensure accurate operation over time and temperature. The AD7851ARZ is available in a 24-lead SOIC package and is suitable for various applications requiring precise analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14 bits |
| Throughput Rate | Up to 333 kSPS |
| Power Supply | Single 5 V |
| Input Voltage Ranges | 0 V to VREF, –VREF/2 to +VREF/2 centered about VREF/2 |
| Input Signal Acquisition Time | 0.33 µs |
| Power Consumption | 60 mW (typical), 5 µW (power-down mode) |
| Package Type | 24-lead SOIC |
| Operating Temperature Range | –40°C to +85°C |
| Reference Voltage Range | 4 V to VDD |
Key Features
- Single 5 V supply operation
- Pseudo-differential input with two input voltage ranges
- System and self-calibration including autocalibration on power-up
- Low power consumption: 60 mW typical, 5 µW in power-down mode
- Flexible serial interface compatible with 8051/SPI/QSPI/µP
- Read/write capability of calibration data
- CMOS construction for low power dissipation
Applications
- Digital Signal Processing
- Speech Recognition and Synthesis
- Spectrum Analysis
- DSP Servo Control
- Instrumentation and Control Systems
- High Speed Modems
- Automotive Systems
Q & A
- What is the resolution of the AD7851ARZ ADC?
The AD7851ARZ has a resolution of 14 bits. - What is the maximum throughput rate of the AD7851ARZ?
The maximum throughput rate is up to 333 kSPS. - What is the power supply requirement for the AD7851ARZ?
The AD7851ARZ operates from a single 5 V power supply. - What are the input voltage ranges for the AD7851ARZ?
The input voltage ranges are 0 V to VREF and –VREF/2 to +VREF/2 centered about VREF/2. - How long does it take for the input signal to be acquired by the AD7851ARZ?
The input signal acquisition time is 0.33 µs. - What is the typical power consumption of the AD7851ARZ?
The typical power consumption is 60 mW, and 5 µW in power-down mode. - In what package type is the AD7851ARZ available?
The AD7851ARZ is available in a 24-lead SOIC package. - What is the operating temperature range for the AD7851ARZ?
The operating temperature range is –40°C to +85°C. - What is the reference voltage range for the AD7851ARZ?
The reference voltage range is from 4 V to VDD. - Does the AD7851ARZ support system and self-calibration?
Yes, the AD7851ARZ supports system and self-calibration, including autocalibration on power-up.
