Overview
The AD7920AKS-REEL is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7910/AD7920 series, known for its high throughput rates, low power consumption, and compact packaging. The AD7920 is housed in a 6-lead SC70 package, making it ideal for applications where space is limited. It operates from a power supply range of 2.35 V to 5.25 V and can achieve throughput rates of up to 250 kSPS with a 5 MHz clock.
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 |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 6-Lead SC70 |
| Number of Pins | 6 |
| Serial Clock Frequency | Up to 5 MHz |
Key Features
- Low Power Consumption: The AD7920 features advanced design techniques to achieve very low power dissipation at high throughput rates, with a power-down mode to maximize power efficiency.
- Flexible Power/Serial Clock Speed Management: The conversion rate is determined by the serial clock, allowing for reduced conversion time and average power consumption through increased serial clock speed.
- On-Chip Track-and-Hold and A/D Converter: The device includes an on-chip track-and-hold, A/D converter, and a serial interface, all housed in a compact package.
- No External Reference Required: The reference for the ADC is derived from the power supply, providing the widest dynamic input range.
- Compact Packaging: Available in a 6-lead SC70 package, offering significant space-saving advantages.
Applications
The AD7920AKS-REEL is suitable for a variety of applications where high-speed, low-power analog-to-digital conversion is required. These include:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, particularly those requiring high-speed data acquisition.
- Consumer electronics, such as audio and video processing devices.
Q & A
- What is the resolution of the AD7920AKS-REEL?
The AD7920AKS-REEL has a resolution of 12 bits. - What is the maximum throughput rate of the AD7920AKS-REEL?
The maximum throughput rate is up to 250 kSPS with a 5 MHz clock. - What is the power supply range for the AD7920AKS-REEL?
The power supply range is from 2.35 V to 5.25 V. - Does the AD7920AKS-REEL require an external reference voltage?
No, the reference for the ADC is derived from the power supply. - What is the operating temperature range for the AD7920AKS-REEL?
The operating temperature range is from -40°C to +85°C. - What type of package does the AD7920AKS-REEL come in?
The AD7920AKS-REEL comes in a 6-lead SC70 package. - How is the conversion process initiated in the AD7920AKS-REEL?
The conversion process is initiated on the falling edge of the CS (Chip Select) input. - Does the AD7920AKS-REEL have a power-down mode?
Yes, the AD7920AKS-REEL features a power-down mode to maximize power efficiency at lower throughput rates. - What is the analog input range for the AD7920AKS-REEL?
The analog input range is from 0 V to VDD. - How is the serial data output formatted in the AD7920AKS-REEL?
The serial data output consists of four leading zeros followed by the 12 bits of conversion data, provided MSB first.
