Overview
The AD7991YRJZ-0RL is a 12-bit, low-power, successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to operate from a single 2.7 V to 5.5 V power supply and features an I2C-compatible serial interface. The AD7991 is housed in an 8-lead SOT-23 package, making it suitable for a variety of applications where space is limited. It is qualified for automotive applications and is known for its low power consumption, with a shutdown mode that reduces power to 1 µA maximum.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7991YRJZ-0RL |
| Package | SOT-23-8 |
| Resolution | 12 bits |
| Voltage - Supply, Analog/Digital | 2.7 V to 5.5 V |
| Number of Analog In Channels | 4 |
| Sampling Rate | Up to 140 kHz |
| Output Format | SERIAL (I2C-compatible) |
| Temperature Range | -40°C to +125°C |
| Differential Nonlinearity (DNL) | ±0.9 LSB |
| Conversion Time | 1 µs |
| Shutdown Current | 1 µA maximum |
Key Features
- Low power consumption with a shutdown mode of 1 µA maximum.
- I2C-compatible serial interface supporting standard, fast, and high-speed modes.
- Four analog input channels with a multiplexer for channel selection.
- Track-and-hold amplifier capable of handling input frequencies up to 14 MHz.
- Qualified for automotive applications.
- Compact 8-lead SOT-23 package).
Applications
- System monitoring and control systems.
- Battery-powered systems due to low power consumption.
- Data acquisition systems requiring multiple analog inputs.
- Medical instruments where precision and reliability are crucial.
- Automotive applications due to its qualified temperature range and reliability).
Q & A
- What is the resolution of the AD7991YRJZ-0RL ADC?
The AD7991YRJZ-0RL has a resolution of 12 bits.
- What is the operating voltage range for the AD7991YRJZ-0RL?
The operating voltage range is from 2.7 V to 5.5 V for both analog and digital supplies.
- How many analog input channels does the AD7991YRJZ-0RL have?
The AD7991YRJZ-0RL has four analog input channels).
- What is the sampling rate of the AD7991YRJZ-0RL?
The sampling rate can be up to 140 kHz).
- What type of serial interface does the AD7991YRJZ-0RL use?
The AD7991YRJZ-0RL uses an I2C-compatible serial interface).
- What is the temperature range for the AD7991YRJZ-0RL?
The temperature range is from -40°C to +125°C).
- How much current does the AD7991YRJZ-0RL consume in shutdown mode?
In shutdown mode, the AD7991YRJZ-0RL consumes a maximum of 1 µA).
- What is the conversion time for the AD7991YRJZ-0RL?
The conversion time is 1 µs).
- Is the AD7991YRJZ-0RL qualified for automotive applications?
Yes, the AD7991YRJZ-0RL is qualified for automotive applications).
- What package type is the AD7991YRJZ-0RL available in?
The AD7991YRJZ-0RL is available in an 8-lead SOT-23 package).
