Overview
The AD7920BRM, produced by Analog Devices Inc., is a 12-bit analog-to-digital converter (ADC) designed for high-speed and low-power applications. This device is available in an 8-lead MSOP package, offering significant space-saving advantages. The AD7920BRM operates from a power supply range of 2.35 V to 5.25 V and is capable of throughput rates of up to 250 kSPS when provided with a 5 MHz clock. It features an on-chip track-and-hold, A/D converter, and a serial interface, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | Up to 250 kSPS |
| Power Supply Range | 2.35 V to 5.25 V |
| Analog Input Range | 0 V to VDD |
| Package Type | 8-lead MSOP |
| Operating Temperature Range | −40°C to +85°C |
| Serial Clock Frequency | Up to 5 MHz |
| Power Consumption | Low power dissipation, with power-down mode for efficiency |
Key Features
- High-speed conversion with throughput rates up to 250 kSPS
- Low power consumption with power-down mode for maximum efficiency
- Flexible power and serial clock speed management
- No pipeline delays, with conversion initiated on the falling edge of the chip select (CS) signal
- On-chip track-and-hold, A/D converter, and serial interface
- No external reference required; reference derived from the power supply (VDD)
- Compact 8-lead MSOP package for space-saving designs
Applications
The AD7920BRM is suitable for a wide range of applications, including:
- Industrial automation and control systems
- Medical devices requiring precise analog-to-digital conversion
- Aerospace and defense systems where low power and high speed are critical
- Automotive systems, particularly those requiring high reliability and efficiency
- Embedded systems and IoT devices where space and power are limited
Q & A
- What is the resolution of the AD7920BRM?
The AD7920BRM has a resolution of 12 bits. - What is the maximum throughput rate of the AD7920BRM?
The maximum throughput rate is up to 250 kSPS. - What is the power supply range for the AD7920BRM?
The power supply range is from 2.35 V to 5.25 V. - What is the analog input range for the AD7920BRM?
The analog input range is from 0 V to VDD. - What package type is the AD7920BRM available in?
The AD7920BRM is available in an 8-lead MSOP package. - Does the AD7920BRM require an external reference?
No, the AD7920BRM does not require an external reference; the reference is derived from the power supply (VDD). - How is the conversion initiated on the AD7920BRM?
The conversion is initiated on the falling edge of the chip select (CS) signal. - What is the operating temperature range for the AD7920BRM?
The operating temperature range is from −40°C to +85°C. - Can the AD7920BRM be powered down to save power?
Yes, the AD7920BRM features a power-down mode to maximize power efficiency between conversions. - What is the maximum serial clock frequency for the AD7920BRM?
The maximum serial clock frequency is up to 5 MHz.
