Overview
The AD7887ARZ-REEL7 is a 12-bit, micropower, 2-channel analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device operates within a voltage range of 2.7 V to 5.25 V and is designed for low power consumption, making it suitable for a variety of applications requiring precise analog-to-digital conversion. The AD7887 can be configured for either dual-channel or single-channel operation, offering flexibility in system design.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | 125 kSPS |
| Supply Voltage | 2.7 V to 5.25 V |
| Number of Channels | 2 (configurable to single-channel) |
| Analog Input Range (Single-Channel Mode) | 0 to VREF |
| Analog Input Range (Dual-Channel Mode) | 0 to VDD |
| Reference Voltage | Internal 2.5 V or external (2.5 V to VDD) |
| Power Consumption (Normal Operation) | Typically 2 mW |
| Power Consumption (Power-Down Mode) | 3 μW |
| Package Type | 8-Lead SOIC or 8-Lead MSOP |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Low power consumption: Typically 2 mW in normal operation and 3 μW in power-down mode.
- Flexible configuration: Can be operated in either dual-channel or single-channel mode.
- Internal reference voltage: 2.5 V internal reference, or can be overdriven by an external reference voltage.
- High accuracy: 12-bit resolution with a sampling rate of 125 kSPS.
- Compact packaging: Available in 8-lead SOIC and 8-lead MSOP packages.
Applications
The AD7887ARZ-REEL7 is suitable for a wide range of applications, including:
- Battery-powered devices due to its low power consumption.
- Portable medical devices requiring precise analog-to-digital conversion.
- Industrial control systems where low power and high accuracy are essential.
- Automotive systems that require robust and reliable ADCs.
- Consumer electronics such as handheld devices and smart home appliances.
Q & A
- What is the resolution of the AD7887ARZ-REEL7?
The AD7887ARZ-REEL7 has a 12-bit resolution. - What is the sampling rate of the AD7887ARZ-REEL7?
The sampling rate is 125 kSPS. - What are the available package types for the AD7887ARZ-REEL7?
The device is available in 8-lead SOIC and 8-lead MSOP packages. - Can the AD7887ARZ-REEL7 be configured for single-channel or dual-channel operation?
Yes, it can be configured for either single-channel or dual-channel operation. - What is the power consumption of the AD7887ARZ-REEL7 in normal operation?
The power consumption is typically 2 mW in normal operation. - What is the power consumption of the AD7887ARZ-REEL7 in power-down mode?
The power consumption is 3 μW in power-down mode. - What is the operating temperature range of the AD7887ARZ-REEL7?
The operating temperature range is -40°C to 85°C. - Can the AD7887ARZ-REEL7 use an external reference voltage?
Yes, the device can use an external reference voltage ranging from 2.5 V to VDD. - What are some typical applications of the AD7887ARZ-REEL7?
Typical applications include battery-powered devices, portable medical devices, industrial control systems, automotive systems, and consumer electronics. - Where can I find more detailed information about the AD7887ARZ-REEL7?
You can find more detailed information on the Analog Devices website, as well as through distributors like Digi-Key and Mouser Electronics.
