Overview
The AD7893AR-10, produced by Analog Devices Inc., is a 12-bit successive approximation analog-to-digital converter (ADC) designed for high-speed and low-power applications. This component operates from a single +5 V supply and is housed in a compact 8-pin SOIC package. It features an on-chip track/hold amplifier, a high-speed serial interface, and a low power consumption of 25 mW typical, making it ideal for battery-powered or portable devices. The AD7893AR-10 supports various analog input ranges, including ±10 V, ±2.5 V, 0 V to +5 V, and 0 V to +2.5 V, depending on the specific model variant.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | AD7893AR-10 |
| Manufacturer | Analog Devices Inc. |
| Category | Integrated Circuits (ICs) > Data Acquisition - Analog to Digital Converters (ADC) |
| Description | IC ADC 12BIT SAR 8SOIC |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | 5V |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Sampling Rate (Per Second) | 117k |
| Reference Type | External |
| Ratio - S/H:ADC | 1:1 |
| Operating Temperature | -40°C ~ 85°C |
| Number of Inputs | 1 |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Architecture | SAR |
Key Features
- High-Speed Conversion: The AD7893AR-10 features a 6 µs successive approximation A/D converter, enabling high-speed data acquisition.
- Low Power Consumption: Operates with a typical power consumption of 25 mW, making it suitable for battery-powered and portable applications.
- Compact Package: Available in an 8-pin SOIC package, offering significant space savings.
- On-Chip Track/Hold Amplifier: Includes an on-chip track/hold amplifier, ensuring accurate signal capture and conversion.
- High-Speed Serial Interface: Provides a high-speed serial interface for efficient data transfer.
- Multiple Input Ranges: Supports various analog input ranges such as ±10 V, ±2.5 V, 0 V to +5 V, and 0 V to +2.5 V.
- Single Supply Operation: Operates from a single +5 V supply, simplifying system design.
Applications
- Battery-Powered Devices: Ideal for use in battery-powered devices due to its low power consumption.
- Portable Equipment: Suitable for portable equipment where space and power efficiency are critical.
- Industrial Automation: Used in industrial automation systems requiring high-speed and accurate data acquisition.
- Medical Devices: Applied in medical devices that require precise and fast analog-to-digital conversion.
- Aerospace and Defense: Utilized in aerospace and defense applications where reliability and performance are paramount.
Q & A
- What is the resolution of the AD7893AR-10?
The AD7893AR-10 is a 12-bit analog-to-digital converter.
- What is the typical power consumption of the AD7893AR-10?
The typical power consumption is 25 mW.
- What is the sampling rate of the AD7893AR-10?
The sampling rate is up to 117 kHz.
- What types of packages are available for the AD7893AR-10?
The AD7893AR-10 is available in an 8-pin SOIC package.
- What is the operating temperature range of the AD7893AR-10?
The operating temperature range is -40°C to 85°C.
- Does the AD7893AR-10 have an on-chip track/hold amplifier?
Yes, it includes an on-chip track/hold amplifier.
- What is the data interface type of the AD7893AR-10?
The data interface is SPI (Serial Peripheral Interface).
- What are the supported analog input ranges for the AD7893AR-10?
The supported input ranges include ±10 V, ±2.5 V, 0 V to +5 V, and 0 V to +2.5 V.
- Is the AD7893AR-10 suitable for battery-powered devices?
Yes, it is suitable due to its low power consumption.
- What is the architecture of the AD7893AR-10's A/D converter?
The architecture is Successive Approximation Register (SAR).
