Overview
The AD7893BR-2 is a 12-bit, single-supply, serial Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc. This component is part of the AD7893 series, known for its fast conversion rates, low power consumption, and compact packaging. The AD7893BR-2 integrates a track/hold amplifier, a successive-approximation ADC, and a high-speed serial interface, making it ideal for various data acquisition applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | Up to 117 kHz |
| Input Type | Single Ended |
| Input Voltage Range | 0 V to +2.5 V (AD7893-2) |
| Data Interface | SPI |
| Architecture | Successive Approximation (SAR) |
| Reference Type | External |
| Supply Voltage (Analog/Digital) | +5 V |
| Operating Temperature | -40°C to +85°C |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Power Consumption | Typical 25 mW |
Key Features
- Fast conversion time of 6 µs, allowing for high throughput rates.
- Low power consumption of 25 mW, making it suitable for battery-powered and portable applications.
- High-speed serial interface for efficient data transfer.
- Compact 8-pin SOIC package, saving space in designs.
- External reference input with on-chip buffering.
- Dynamic performance specifications including harmonic distortion and signal-to-noise ratio.
Applications
The AD7893BR-2 is versatile and can be used in a variety of applications, including:
- Data acquisition systems.
- Portable and battery-powered devices.
- Industrial control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense applications where compact, low-power solutions are necessary.
Q & A
- What is the resolution of the AD7893BR-2?
The AD7893BR-2 has a resolution of 12 bits. - What is the maximum sampling rate of the AD7893BR-2?
The maximum sampling rate is up to 117 kHz. - What is the input voltage range for the AD7893BR-2?
The input voltage range for the AD7893BR-2 is 0 V to +2.5 V. - What type of data interface does the AD7893BR-2 use?
The AD7893BR-2 uses a high-speed serial interface (SPI). - What is the power consumption of the AD7893BR-2?
The typical power consumption is 25 mW. - What is the operating temperature range of the AD7893BR-2?
The operating temperature range is -40°C to +85°C. - What package type is the AD7893BR-2 available in?
The AD7893BR-2 is available in an 8-pin SOIC package. - Does the AD7893BR-2 require an external reference voltage?
Yes, the AD7893BR-2 requires an external reference voltage. - What architecture does the AD7893BR-2 use for its ADC?
The AD7893BR-2 uses a successive approximation (SAR) architecture. - Is the AD7893BR-2 RoHS compliant?
No, the AD7893BR-2 is not RoHS compliant.
