Overview
The AD7789BRMZ-REEL is a 24-bit, single-channel, ultra-low power, sigma-delta analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for low-frequency measurement applications and is known for its low noise and high precision. It operates with a single power supply ranging from 2.5 V to 5.25 V and features an internal clock, eliminating the need for an external clock source. The AD7789BRMZ-REEL is available in a 10-lead Mini Small Outline Package (MSOP) and is compliant with lead-free international regulations.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24-bit |
| Number of Channels | Single Channel |
| Input Type | Differential |
| Sample Rate | 16.6 samples per second (sps) |
| Power Supply Range | 2.5 V to 5.25 V |
| Power Dissipation | 5 mW at 50 SPS, 2 mW at 2.5 SPS |
| Operating Temperature Range | -40°C to +105°C |
| Package Type | 10-Lead MSOP |
| Reference Voltage | 1.17 V ± 5% (on-chip reference) |
| Interface | SPI (Serial Peripheral Interface) |
Key Features
- Ultra-low power operation with power dissipation as low as 2 mW at 2.5 SPS and 5 mW at 50 SPS.
- High resolution of 24 bits, providing high precision in measurements.
- Low noise and low total harmonic distortion (THD), making it suitable for precise measurements.
- Flexible reference configuration with an on-chip reference of 1.17 V ± 5%.
- Programmable filter and internal clock, eliminating the need for an external clock source.
- Ability to measure power supply voltage, useful for monitoring power supply variations.
- Compliant with lead-free international regulations.
Applications
The AD7789BRMZ-REEL is suitable for a variety of low-frequency measurement applications, including:
- Industrial process control and monitoring.
- Medical devices requiring high precision and low power consumption.
- Environmental monitoring systems.
- Aerospace and defense applications where low noise and high resolution are critical.
- Automotive systems that require precise measurements under varying conditions.
Q & A
- What is the resolution of the AD7789BRMZ-REEL ADC?
The AD7789BRMZ-REEL has a resolution of 24 bits.
- What is the power supply range for the AD7789BRMZ-REEL?
The device operates with a single power supply ranging from 2.5 V to 5.25 V.
- What is the sample rate of the AD7789BRMZ-REEL?
The sample rate is 16.6 samples per second (sps).
- What type of interface does the AD7789BRMZ-REEL use?
The device uses a Serial Peripheral Interface (SPI).
- What is the operating temperature range of the AD7789BRMZ-REEL?
The operating temperature range is -40°C to +105°C.
- Is the AD7789BRMZ-REEL lead-free?
- What is the package type of the AD7789BRMZ-REEL?
The device is available in a 10-lead Mini Small Outline Package (MSOP).
- Does the AD7789BRMZ-REEL require an external clock source?
No, the device operates from an internal clock, eliminating the need for an external clock source.
- What are some typical applications of the AD7789BRMZ-REEL?
Typical applications include industrial process control, medical devices, environmental monitoring, aerospace, and automotive systems.
- How does the AD7789BRMZ-REEL handle power supply monitoring?
The device can measure the voltage on the power supply, which is useful for monitoring power supply variations.
