Overview
The AD7862BR-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 AD7862BR-10 operates from a single +5 V supply, consumes 60 mW typically, and features an automatic power-down mode, which makes it suitable for battery-powered or portable devices. It is available in a 28-lead SOIC package and supports a wide operating temperature range from -40°C to 85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7862BR-10 |
| Number of Bits | 12 |
| Number of A/D Converters | 2 |
| Sampling Rate (Per Second) | 250 kSPS |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply, Digital | 5 V |
| Voltage - Supply, Analog | 5 V |
| Input Type | Single Ended |
| Number of Inputs | 4 |
| Data Interface | Parallel |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External, Internal |
Key Features
- Simultaneous sampling and conversion of two channels, preserving the relative phase information of the signals.
- High speed parallel interface for easy connection to microprocessors.
- Automatic power-down mode for low power consumption, ideal for battery-powered or portable applications.
- Internal +2.5 V reference and overvoltage protection on analog inputs.
- Supports analog input ranges of ±10 V, ±2.5 V, and 0 V–2.5 V.
- Fabricated in Analog Devices’ Linear Compatible CMOS (LC2MOS) process.
Applications
The AD7862BR-10 is suitable for a variety of applications that require high-speed, simultaneous sampling and conversion of analog signals. These include:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, especially those requiring synchronized data acquisition.
- Battery-powered and portable devices where low power consumption is critical.
Q & A
- What is the sampling rate of the AD7862BR-10?
The AD7862BR-10 has a sampling rate of up to 250 kSPS. - How many analog inputs does the AD7862BR-10 have?
The AD7862BR-10 has four single-ended analog inputs grouped into two channels. - What is the operating temperature range of the AD7862BR-10?
The operating temperature range is from -40°C to 85°C. - What type of package does the AD7862BR-10 come in?
The AD7862BR-10 is available in a 28-lead SOIC package. - Does the AD7862BR-10 support automatic power-down mode?
Yes, the AD7862BR-10 features an automatic power-down mode to reduce power consumption. - What is the supply voltage for the AD7862BR-10?
The AD7862BR-10 operates from a single +5 V supply. - What is the architecture of the AD7862BR-10?
The AD7862BR-10 uses a Successive Approximation Register (SAR) architecture. - Does the AD7862BR-10 have overvoltage protection on its analog inputs?
Yes, the AD7862BR-10 has overvoltage protection on its analog inputs. - What is the typical power consumption of the AD7862BR-10?
The typical power consumption is 60 mW. - What type of data interface does the AD7862BR-10 use?
The AD7862BR-10 uses a high-speed parallel interface.
