Overview
The AD7274BUJ-500RL7 is a high-speed, low-power, 12-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7273/AD7274 series, known for their high throughput rates and low power consumption. The AD7274 operates from a single 2.35 V to 3.6 V power supply and features a throughput rate of up to 3 MSPS, making it suitable for a variety of high-speed data acquisition applications.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 12 bits | ||
| Throughput Rate | Up to 3 MSPS | With a 48 MHz clock | |
| Power Supply | 2.35 V to 3.6 V | V | |
| Conversion Time | 250 ns max | ns | 12 SCLK cycles with SCLK at 48 MHz |
| Track-and-Hold Acquisition Time | 60 ns max | ns | |
| Input Range | 0 to VREF | V | External reference in the range of 1.4 V to VDD |
| Power Consumption (Normal Mode) | 0.6 mA typ (static), 5 mA max (operational) | mA | VDD = 3 V, SCLK on or off |
| Power-Down Mode | 0.1 μA typ | μA | |
| Package | 8-Lead TSOT or 8-Lead MSOP | ||
| Operating Temperature Range | −40°C to +125°C | °C |
Key Features
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies in excess of 55 MHz.
- No pipeline delays, allowing for direct conversion and data acquisition.
- Power-down mode to save power between conversions.
- Compact 8-lead TSOT or MSOP package for space-saving designs.
- Straight (natural) binary output coding.
Applications
The AD7274BUJ-500RL7 is suitable for various high-speed data acquisition applications, including:
- Industrial automation and control systems.
- Medical devices requiring high-speed data conversion.
- Aerospace and defense systems where low power and high speed are critical.
- Automotive systems, especially those requiring robust temperature performance.
- Telecommunications and networking equipment.
Q & A
- What is the resolution of the AD7274BUJ-500RL7?
The AD7274BUJ-500RL7 has a resolution of 12 bits. - What is the maximum throughput rate of the AD7274BUJ-500RL7?
The maximum throughput rate is up to 3 MSPS with a 48 MHz clock. - What is the power supply range for the AD7274BUJ-500RL7?
The power supply range is from 2.35 V to 3.6 V. - What is the conversion time for the AD7274BUJ-500RL7?
The conversion time is 250 ns maximum, which is 12 SCLK cycles with SCLK at 48 MHz. - What is the track-and-hold acquisition time for the AD7274BUJ-500RL7?
The track-and-hold acquisition time is 60 ns maximum. - What is the input range for the AD7274BUJ-500RL7?
The input range is from 0 to VREF, with an external reference in the range of 1.4 V to VDD. - How much power does the AD7274BUJ-500RL7 consume in normal mode?
In normal mode, the power consumption is 0.6 mA typical (static) and 5 mA maximum (operational) at VDD = 3 V. - What is the power consumption in power-down mode?
The power consumption in power-down mode is 0.1 μA typical. - What are the available package options for the AD7274BUJ-500RL7?
The available package options are 8-lead TSOT and 8-lead MSOP. - What is the operating temperature range for the AD7274BUJ-500RL7?
The operating temperature range is from −40°C to +125°C.
