Overview
The AD7887BRZ, produced by Analog Devices Inc., is a highly versatile and efficient analog-to-digital converter (ADC) designed for a variety of applications requiring precision and low power consumption. This 12-bit ADC can be configured for either single-channel or dual-channel operation, making it a flexible choice for different system requirements. The AD7887BRZ operates within a voltage range of 2.7 V to 5.25 V and is available in 8-lead MSOP and SOIC packages, ensuring compact integration into various designs.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | 125 kSPS |
| Supply Voltage | 2.7 V to 5.25 V |
| Analog Input Range (Single-Channel) | 0 to VREF (1.2 V to VDD) |
| Analog Input Range (Dual-Channel) | 0 to VDD |
| Power Consumption (Normal Operation) | Typically 2 mW |
| Power Consumption (Power-Down Mode) | 3 μW |
| Package Types | 8-Lead MSOP, 8-Lead SOIC |
| Serial Interface | SPI/QSPI/MICROWIRE/DSP compatible |
Key Features
- Configurable for single-channel or dual-channel operation via on-chip control register.
- Low power consumption with typical 2 mW in normal operation and 3 μW in power-down mode.
- Flexible power management options, including automatic power-down after conversion.
- Read-only ADC capability in single-channel mode.
- Versatile serial input/output port compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- Internal 2.5 V reference or external reference voltage option.
Applications
The AD7887BRZ is suitable for a wide range of applications that require high precision and low power consumption, such as:
- Portable and battery-powered devices.
- Medical devices and diagnostic equipment.
- Industrial control systems and automation.
- Aerospace and defense systems.
- Automotive systems and sensors.
Q & A
- What is the resolution of the AD7887BRZ ADC?
The AD7887BRZ has a resolution of 12 bits. - What are the available package types for the AD7887BRZ?
The AD7887BRZ is available in 8-lead MSOP and 8-lead SOIC packages. - What is the throughput rate of the AD7887BRZ?
The throughput rate of the AD7887BRZ is 125 kSPS. - What is the supply voltage range for the AD7887BRZ?
The supply voltage range for the AD7887BRZ is 2.7 V to 5.25 V. - Can the AD7887BRZ be configured for single-channel or dual-channel operation?
Yes, the AD7887BRZ can be configured for either single-channel or dual-channel operation via the on-chip control register. - What is the power consumption of the AD7887BRZ in normal operation and power-down mode?
The power consumption is typically 2 mW in normal operation and 3 μW in power-down mode. - Does the AD7887BRZ have an internal reference voltage option?
Yes, the AD7887BRZ has an internal 2.5 V reference voltage option, or it can be overdriven by an external reference voltage. - What types of serial interfaces are supported by the AD7887BRZ?
The AD7887BRZ supports SPI, QSPI, MICROWIRE, and DSP compatible serial interfaces. - Is the AD7887BRZ suitable for battery-powered devices?
Yes, the AD7887BRZ is suitable for battery-powered devices due to its low power consumption. - What are some common applications for the AD7887BRZ?
The AD7887BRZ is commonly used in medical devices, industrial control systems, aerospace and defense systems, and automotive systems.
