Overview
The AD7896BRZ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to operate within a wide supply voltage range of 2.7 V to 5.5 V, making it versatile for various applications. The AD7896BRZ integrates a track-and-hold amplifier, ADC, and serial interface logic on a single chip, providing a compact solution for data conversion needs. It is particularly suited for battery-powered applications due to its low power consumption of 9 mW typical.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Supply Voltage | 2.7 V to 5.5 V |
| Analog Input Range | 0 V to VDD |
| Conversion Time | 8 µs (high sampling mode), 14 µs (auto sleep mode) |
| Track-and-Hold Acquisition Time | 1.5 µs |
| Power Consumption | 9 mW typical |
| Operating Temperature | -40°C to +85°C |
| Package Type | 8-lead SOIC or PDIP |
| Serial Interface | 2-wire serial interface |
Key Features
- Compact Design: Available in 8-lead SOIC or PDIP packages, offering significant space-saving advantages.
- Low Power Consumption: Consumes only 9 mW typical, ideal for battery-powered applications.
- High Sampling Rate: Supports high sampling rates with conversion times of 8 µs in high sampling mode and 14 µs in auto sleep mode.
- Automatic Power-Down Mode: Features a proprietary automatic power-down mode where the part goes into sleep after conversion and wakes up before the next cycle.
- Internal Reference: The internal reference is derived from VDD, eliminating the need for an external reference.
- Dynamic Performance: Specified for dynamic performance parameters including harmonic distortion and signal-to-noise ratio.
Applications
- Battery-Powered Devices: Ideal for applications where low power consumption is critical, such as portable medical devices, handheld instruments, and battery-powered sensors.
- Industrial Automation: Suitable for industrial control systems, data acquisition systems, and other automation applications requiring precise and efficient data conversion.
- Consumer Electronics: Used in various consumer electronics such as audio equipment, gaming consoles, and other devices requiring high-quality analog-to-digital conversion.
Q & A
- What is the resolution of the AD7896BRZ ADC?
The AD7896BRZ has a resolution of 12 bits.
- What is the supply voltage range for the AD7896BRZ?
The supply voltage range is from 2.7 V to 5.5 V.
- What is the conversion time for the AD7896BRZ in high sampling mode?
The conversion time in high sampling mode is 8 µs.
- Does the AD7896BRZ require an external reference voltage?
No, the AD7896BRZ uses an internal reference derived from VDD.
- What is the power consumption of the AD7896BRZ?
The typical power consumption is 9 mW.
- What types of packages are available for the AD7896BRZ?
The AD7896BRZ is available in 8-lead SOIC or PDIP packages.
- How does the automatic power-down mode work in the AD7896BRZ?
The part automatically goes into power-down after conversion and wakes up before the next conversion cycle.
- What is the operating temperature range for the AD7896BRZ?
The operating temperature range is from -40°C to +85°C.
- What is the track-and-hold acquisition time for the AD7896BRZ?
The track-and-hold acquisition time is 1.5 µs.
- What type of serial interface does the AD7896BRZ use?
The AD7896BRZ uses a 2-wire serial interface.
