Overview
The AD7887ARMZ-REEL7, produced by Analog Devices Inc., is a high-performance, micropower, 2-channel, 12-bit analog-to-digital converter (ADC). This device is designed for low power consumption and high accuracy, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
The AD7887 can operate in either single-channel or dual-channel mode, configurable via an on-chip control register. It features a successive approximation ADC architecture and is housed in an 8-lead MSOP package. The device supports a wide supply voltage range of 2.7 V to 5.25 V and can achieve throughput rates of up to 125 kSPS with a 2 MHz clock input.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 (configurable to single-channel) |
| Resolution | 12-bit |
| Throughput Rate | Up to 125 kSPS |
| Supply Voltage Range | 2.7 V to 5.25 V |
| Power Consumption | Typically 2 mW (normal operation), 3 μW (power-down mode) |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 8-Lead MSOP |
| Analog Input Range (Single-Channel) | 0 to VREF (externally applied VREF: 1.2 V to VDD) |
| Analog Input Range (Dual-Channel) | 0 to VDD |
Key Features
- Configurable for single-channel or dual-channel operation via on-chip control register.
- Successive approximation ADC architecture.
- Low power consumption: typically 2 mW in normal operation and 3 μW in power-down mode.
- Wide supply voltage range: 2.7 V to 5.25 V.
- High throughput rate: up to 125 kSPS with a 2 MHz clock input.
- Internal 2.5 V reference or external reference voltage option.
- CMOS construction for low power dissipation.
- ESD protection for analog inputs.
Applications
- Portable and battery-powered devices due to low power consumption.
- Industrial control systems requiring precise analog-to-digital conversion.
- Medical devices where high accuracy and low power are critical.
- Aerospace and automotive applications where reliability and precision are essential.
- General-purpose data acquisition systems.
Q & A
- What is the resolution of the AD7887ARMZ-REEL7?
The AD7887ARMZ-REEL7 has a resolution of 12 bits.
- What are the configurable operation modes of the AD7887?
The AD7887 can be configured for either single-channel or dual-channel operation via the on-chip control register.
- What is the supply voltage range for the AD7887?
The supply voltage range for the AD7887 is from 2.7 V to 5.25 V.
- What is the maximum throughput rate of the AD7887?
The maximum throughput rate of the AD7887 is up to 125 kSPS with a 2 MHz clock input.
- What is the typical power consumption of the AD7887 in normal operation?
The typical power consumption of the AD7887 in normal operation is 2 mW.
- What is the package type of the AD7887ARMZ-REEL7?
The package type of the AD7887ARMZ-REEL7 is an 8-Lead MSOP.
- What is the operating temperature range of the AD7887?
The operating temperature range of the AD7887 is from -40°C to +125°C.
- Does the AD7887 have internal ESD protection for analog inputs?
- Can the AD7887 use an external reference voltage?
- What is the power consumption of the AD7887 in power-down mode?
The power consumption of the AD7887 in power-down mode is typically 3 μW.
