Overview
The AD7892BN-3 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single +5 V supply and is designed for low power and portable applications. It features a successive approximation ADC, an on-chip track/hold amplifier, and an internal +2.5 V reference. The AD7892BN-3 supports both parallel and serial data output formats, making it versatile for connections to microprocessors, microcontrollers, and digital signal processors.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | 600 kSPS |
| Number of Inputs | 2 |
| Input Type | Single Ended |
| Data Interface | SPI, Parallel |
| Configuration | S/H-ADC |
| Architecture | SAR (Successive Approximation) |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | +5 V |
| Voltage - Supply, Digital | +5 V |
| Operating Temperature | -40°C to +85°C |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Conversion Time | 1.47 µs |
| Track/Hold Acquisition Time | 200 ns |
| Analog Input Range | ±2.5 V |
Key Features
- Fast conversion time of 1.47 µs and track/hold acquisition time of 200 ns, allowing for a throughput rate of up to 600 kSPS.
- Low power consumption of 60 mW, making it ideal for portable and battery-powered applications.
- Supports both parallel and serial data output formats for easy connection to microprocessors, microcontrollers, and digital signal processors.
- Internal +2.5 V reference and overvoltage protection on the analog inputs.
- Operates from a single +5 V supply.
- Available in 24-lead SOIC and DIP packages.
Applications
The AD7892BN-3 is suitable for a variety of applications, including:
- Portable and battery-powered devices due to its low power consumption.
- Data acquisition systems requiring high-speed and accurate analog-to-digital conversion.
- Medical devices, industrial control systems, and automotive systems where precision and reliability are crucial.
- Embedded systems and IoT devices that require efficient and versatile ADCs.
Q & A
- What is the conversion time of the AD7892BN-3?
The conversion time of the AD7892BN-3 is 1.47 µs. - What is the track/hold acquisition time of the AD7892BN-3?
The track/hold acquisition time is 200 ns. - What is the throughput rate of the AD7892BN-3?
The throughput rate is up to 600 kSPS. - What is the power supply requirement for the AD7892BN-3?
The AD7892BN-3 operates from a single +5 V supply. - What are the available data output formats for the AD7892BN-3?
The AD7892BN-3 supports both parallel and serial data output formats. - What is the analog input range for the AD7892BN-3?
The analog input range is ±2.5 V. - Does the AD7892BN-3 have overvoltage protection?
Yes, the AD7892BN-3 has overvoltage protection on the analog inputs. - What are the package options for the AD7892BN-3?
The AD7892BN-3 is available in 24-lead SOIC and DIP packages. - What is the operating temperature range for the AD7892BN-3?
The operating temperature range is -40°C to +85°C. - What type of architecture does the AD7892BN-3 use?
The AD7892BN-3 uses a Successive Approximation (SAR) architecture.
