Overview
The AD7994BRU-0REEL is a 12-bit, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7993/AD7994 series, which are low-power, successive approximation ADCs with an I2C-compatible serial interface. The device operates from a single 2.7 V to 5.5 V power supply and features a fast conversion time of 2 µs. It is packaged in a 16-lead Thin Shrink Small Outline Package (TSSOP) and is suitable for a wide range of applications requiring high-speed and low-power data acquisition.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7994BRU-0REEL |
| Description | IC ADC 12BIT 4CHAN I2C 16TSSOP |
| Number of Bits | 12 |
| Number of Channels | 4 |
| Conversion Time | 2 µs (typical) |
| Sampling Rate | 188 kSPS |
| Supply Voltage (Digital and Analog) | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to 125°C |
| Package Type | 16-TSSOP (0.173", 4.40mm Width) |
| Interface | I2C-compatible serial interface |
| Reference Type | External |
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
Key Features
- Fast conversion time of 2 µs typical
- Low power consumption with a shutdown mode current of 1 µA maximum
- I2C-compatible serial interface supporting standard, fast, and high-speed modes
- Automatic cycle interval mode and manual conversion control via CONVST pin or I2C write operations
- Out-of-range indicator/alert function with programmable high and low limits
- Pin-selectable addressing via AS pin
- Sequencer operation with a 4-channel multiplexer and track-and-hold amplifier
Applications
- Data acquisition systems
- Industrial control systems
- Medical devices requiring precise analog-to-digital conversion
- Automotive systems needing robust and high-speed ADCs
- Consumer electronics requiring low power and high accuracy ADCs
Q & A
- What is the conversion time of the AD7994BRU-0REEL?
The conversion time is 2 µs typical.
- How many analog input channels does the AD7994BRU-0REEL have?
The device has 4 single-ended analog input channels.
- What is the operating temperature range of the AD7994BRU-0REEL?
The operating temperature range is -40°C to 125°C.
- What type of interface does the AD7994BRU-0REEL use?
The device uses an I2C-compatible serial interface.
- Is the AD7994BRU-0REEL RoHS compliant?
No, the AD7994BRU-0REEL contains lead and is RoHS non-compliant.
- What is the supply voltage range for the AD7994BRU-0REEL?
The supply voltage range is 2.7 V to 5.5 V for both digital and analog supplies.
- Can the AD7994BRU-0REEL be controlled via different modes?
- What is the sampling rate of the AD7994BRU-0REEL?
The sampling rate is 188 kSPS.
- Does the AD7994BRU-0REEL have an out-of-range indicator?
- What package type is the AD7994BRU-0REEL available in?
The device is packaged in a 16-lead Thin Shrink Small Outline Package (TSSOP).
