Overview
The AD7920BKSZ-REEL is a 12-bit, high-speed, low-power successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7910/AD7920 family, which also includes a 10-bit version. The AD7920 operates from a single power supply ranging from 2.35 V to 5.25 V and features throughput rates of up to 250 kSPS. It is available in compact 6-lead SC70 and 8-lead MSOP packages, making it ideal for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | Up to 250 kSPS |
| Power Supply Range | 2.35 V to 5.25 V |
| Package Types | 6-lead SC70, 8-lead MSOP |
| Analog Input Range | 0 to VDD |
| Serial Clock Frequency | Up to 5 MHz |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Low power consumption with advanced design techniques to achieve high throughput rates at low power dissipation.
- Flexible power and serial clock speed management, allowing for reduced power consumption in power-down mode.
- No pipelined delays associated with the conversion process.
- On-chip track-and-hold amplifier capable of handling input frequencies in excess of 6 MHz.
- Internal reference derived from the power supply, providing the widest dynamic input range.
- Compact packaging in 6-lead SC70 and 8-lead MSOP, offering significant space-saving advantages.
Applications
The AD7920BKSZ-REEL is suitable for a variety of applications requiring high-speed, low-power analog-to-digital conversion. These include:
- Portable and battery-powered devices where power efficiency is crucial.
- Industrial control systems and data acquisition systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense applications where compact size and reliability are essential.
Q & A
- What is the resolution of the AD7920BKSZ-REEL?
The AD7920BKSZ-REEL has a resolution of 12 bits.
- What is the maximum throughput rate of the AD7920BKSZ-REEL?
The maximum throughput rate is up to 250 kSPS.
- What is the power supply range for the AD7920BKSZ-REEL?
The power supply range is from 2.35 V to 5.25 V.
- What types of packages are available for the AD7920BKSZ-REEL?
The component is available in 6-lead SC70 and 8-lead MSOP packages.
- How is the analog input range defined for the AD7920BKSZ-REEL?
The analog input range is from 0 to VDD.
- What is the maximum serial clock frequency for the AD7920BKSZ-REEL?
The maximum serial clock frequency is up to 5 MHz.
- Does the AD7920BKSZ-REEL require an external reference voltage?
No, the reference is derived internally from the power supply.
- What is the operating temperature range for the AD7920BKSZ-REEL?
The operating temperature range is from -40°C to +85°C.
- How is the conversion process initiated in the AD7920BKSZ-REEL?
The conversion process is initiated on the falling edge of the CS (Chip Select) input.
- Does the AD7920BKSZ-REEL have a power-down mode?
