Overview
The AD7893AN-2 is a 12-bit, single-supply analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7893 series, known for its fast conversion time and low power consumption. The AD7893AN-2 operates from a single +5 V supply and is housed in an 8-pin mini-DIP or SOIC package, making it ideal for space-constrained and power-sensitive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 6 µs |
| Supply Voltage | +5 V |
| Power Consumption | 25 mW (typical) |
| Operating Temperature Range | –40°C to +85°C |
| Analog Input Range | ±10 V, ±2.5 V, 0 V to +5 V, 0 V to +2.5 V (depending on the model variant) |
| Input Resistance | Typically 33 kΩ (±10 V), 12 kΩ (±2.5 V), 11 kΩ (0 V to +5 V) |
| Serial Interface | High-speed, two-wire serial interface |
| Package Type | 8-pin mini-DIP, 8-pin SOIC |
Key Features
- Fast conversion time of 6 µs, allowing for high throughput rates up to 117 kHz.
- Low power consumption of 25 mW, making it suitable for battery-powered and portable applications.
- On-chip track/hold amplifier and high-speed serial interface.
- Single +5 V supply operation.
- Selection of input ranges: ±10 V, ±2.5 V, 0 V to +5 V, and 0 V to +2.5 V.
- Compact 8-pin package options (mini-DIP and SOIC).
Applications
The AD7893AN-2 is versatile and can be used in a variety of applications, including:
- Battery-powered devices due to its low power consumption.
- Portable equipment where space and power efficiency are crucial.
- Industrial control systems requiring fast and accurate analog-to-digital conversion.
- Medical devices that need reliable and precise data acquisition.
- Aerospace and defense applications where the component's robust operating temperature range is beneficial.
Q & A
- What is the resolution of the AD7893AN-2?
The AD7893AN-2 has a resolution of 12 bits. - What is the typical conversion time of the AD7893AN-2?
The typical conversion time is 6 µs. - What is the supply voltage for the AD7893AN-2?
The supply voltage is +5 V. - How much power does the AD7893AN-2 typically consume?
The AD7893AN-2 typically consumes 25 mW. - What are the available analog input ranges for the AD7893 series?
The available input ranges are ±10 V, ±2.5 V, 0 V to +5 V, and 0 V to +2.5 V. - What types of packages are available for the AD7893AN-2?
The AD7893AN-2 is available in 8-pin mini-DIP and 8-pin SOIC packages. - What is the operating temperature range of the AD7893AN-2?
The operating temperature range is –40°C to +85°C. - Does the AD7893AN-2 have an on-chip track/hold amplifier?
Yes, the AD7893AN-2 includes an on-chip track/hold amplifier. - What type of serial interface does the AD7893AN-2 use?
The AD7893AN-2 uses a high-speed, two-wire serial interface. - Is the AD7893AN-2 suitable for battery-powered applications?
Yes, due to its low power consumption, it is suitable for battery-powered applications.
