Overview
The AD7898AR-10 is a high-performance, 12-bit successive approximation (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for applications requiring fast conversion rates and high accuracy. It operates from a single 5 V supply and is housed in a compact 8-lead SOIC package, making it ideal for space-constrained designs. The AD7898AR-10 features an on-chip track/hold amplifier, an internal clock oscillator, and a high-speed serial interface, enabling efficient data transfer and control.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | AD7898AR-10 |
| Manufacturer | Analog Devices Inc. |
| Description | IC ADC 12BIT SAR 8SOIC |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | 5V |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | -40°C ~ 85°C |
| Number of Inputs | 1 |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Mounting Type | Surface Mount |
| Input Type | Single Ended |
| Sampling Rate (Per Second) | 220k |
| Reference Type | External |
| Data Interface | SPI |
| Analog Input Range | ±10 V |
Key Features
- Fast Conversion Rate: The AD7898AR-10 offers a throughput rate of up to 220 kSPS, making it suitable for high-speed applications.
- Low Power Consumption: It operates with a single 5 V supply and consumes only 22.5 mW, which is beneficial for power-sensitive designs.
- Flexible Serial Interface: The component features a high-speed serial interface that allows interfacing with both 3 V and 5 V processor systems.
- On-Chip Track/Hold Amplifier: This feature ensures accurate conversion by holding the analog input signal during the conversion process.
- Compact Packaging: The 8-lead SOIC package saves space in the design, making it ideal for compact systems.
Applications
The AD7898AR-10 is suitable for a variety of applications that require high-speed and accurate analog-to-digital conversion. These include:
- Industrial Automation: For monitoring and controlling industrial processes.
- Medical Devices: In medical equipment where precise and fast data conversion is critical.
- Aerospace and Defense: For applications requiring high reliability and performance.
- Automotive Systems: In vehicle control systems and sensors.
Q & A
- What is the conversion rate of the AD7898AR-10?
The AD7898AR-10 has a throughput rate of up to 220 kSPS. - What is the power supply requirement for the AD7898AR-10?
The AD7898AR-10 operates from a single 5 V supply. - What is the package type of the AD7898AR-10?
The AD7898AR-10 is housed in an 8-lead SOIC package. - What is the operating temperature range of the AD7898AR-10?
The operating temperature range is -40°C to 85°C. - Does the AD7898AR-10 have an on-chip track/hold amplifier?
Yes, the AD7898AR-10 features an on-chip track/hold amplifier. - What is the analog input range for the AD7898AR-10?
The analog input range is ±10 V. - Can the AD7898AR-10 interface with 3 V processor systems?
Yes, the AD7898AR-10 can interface with both 3 V and 5 V processor systems. - What is the maximum power consumption of the AD7898AR-10?
The maximum power consumption is 22.5 mW. - Is the AD7898AR-10 suitable for surface mount applications?
Yes, the AD7898AR-10 is designed for surface mount applications. - What type of data interface does the AD7898AR-10 use?
The AD7898AR-10 uses an SPI (Serial Peripheral Interface) data interface.
