Overview
The AD7862AN-10 is a high-performance, dual 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for simultaneous sampling and conversion of two channels, making it ideal for applications requiring precise and synchronized data acquisition. The AD7862AN-10 operates from a single +5 V supply and features low power consumption, with an automatic power-down mode that makes it suitable for battery-powered or portable applications.
Key Specifications
| Parameter | Value | Units | Comments |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | ||
| Part Number | AD7862AN-10 | ||
| Description | IC ADC 12BIT DUAL 250KSPS 28-DIP | ||
| Voltage - Supply, Digital | 5V | V | |
| Voltage - Supply, Analog | 5V | V | |
| Package / Case | 28-DIP (0.600", 15.24mm) | ||
| Operating Temperature | -40°C ~ 85°C | °C | |
| Number of Inputs | 4 | ||
| Number of Bits | 12 | ||
| Number of A/D Converters | 2 | ||
| Sampling Rate (Per Second) | 250k | S/s | |
| Reference Type | External, Internal | ||
| Ratio - S/H:ADC | 1:1 | ||
| Input Type | Single Ended | ||
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | ||
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
Key Features
- Simultaneous Sampling: The AD7862AN-10 allows for simultaneous sampling and conversion of two channels, preserving the relative phase information of the signals on both analog inputs.
- Dual ADCs: The component features two complete ADC functions, each with a 2-channel input multiplexer, enabling the conversion of two channels simultaneously.
- High-Speed Parallel Interface: It offers a high-speed parallel interface for easy connection to microprocessors, microcontrollers, and digital signal processors.
- Low Power Consumption: The AD7862AN-10 operates from a single +5 V supply and consumes 60 mW typically, with an automatic power-down mode to reduce power consumption during idle periods.
- Overvoltage Protection: The analog inputs have overvoltage protection, allowing input voltages to go up to ±17 V, ±7 V, or +7 V without causing damage, depending on the version.
- Precision and Linearity: The component is specified for high dynamic performance parameters, including signal-to-noise ratio and total harmonic distortion, ensuring high precision and linearity).
Applications
- Battery-Powered Devices: The low power consumption and automatic power-down mode make the AD7862AN-10 ideal for battery-powered or portable applications).
- Industrial Automation: The component's ability to handle a wide range of analog input voltages and its high precision make it suitable for various industrial automation applications).
- Medical Devices: The simultaneous sampling feature and high accuracy of the AD7862AN-10 make it a good fit for medical devices that require synchronized data acquisition).
- Aerospace and Defense: The component's robust specifications and reliability make it suitable for use in aerospace and defense applications where high precision and reliability are critical).
Q & A
- What is the sampling rate of the AD7862AN-10?
The AD7862AN-10 has a sampling rate of 250 kSPS (kilosamples per second).
- How many analog inputs does the AD7862AN-10 have?
The AD7862AN-10 has four analog inputs, grouped into two channels (A & B) with two inputs each).
- What is the resolution of the AD7862AN-10?
The AD7862AN-10 is a 12-bit analog-to-digital converter).
- What is the operating temperature range of the AD7862AN-10?
The operating temperature range of the AD7862AN-10 is -40°C to 85°C).
- Does the AD7862AN-10 have overvoltage protection?
Yes, the AD7862AN-10 has overvoltage protection on its analog inputs, allowing them to handle voltages up to ±17 V, ±7 V, or +7 V depending on the version).
- What type of interface does the AD7862AN-10 use?
The AD7862AN-10 features a high-speed parallel interface for easy connection to microprocessors, microcontrollers, and digital signal processors).
- Is the AD7862AN-10 RoHS compliant?
No, the AD7862AN-10 contains lead and is not RoHS compliant).
- What is the power consumption of the AD7862AN-10?
The AD7862AN-10 consumes 60 mW typically and has an automatic power-down mode to reduce power consumption during idle periods).
- What is the aperture delay matching of the AD7862AN-10?
The AD7862AN-10 features tight aperture delay matching between the two input sample-and-hold amplifiers, with a matching of 200 ps typically).
- What are the available analog input ranges for the AD7862AN-10?
The AD7862AN-10 is available in versions with different analog input ranges: ±10 V, ±2.5 V, and 0 V – 2.5 V).
