Overview
The AD7788BRMZ-REEL is a 16-bit, single-channel, ultra-low power, sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7788/AD7789 family, known for their low noise and low power consumption, making them ideal for low-frequency measurement applications. The AD7788 operates from an internal clock, eliminating the need for an external clock source. It is available in a 10-lead Mini Small Outline Package (MSOP) and is suitable for a wide range of applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7788BRMZ-REEL |
| Package | 10-Lead MSOP |
| Number of Bits | 16 |
| Sampling Rate | 16.6 sps |
| Polarity | Bipolar |
| Interface | SPI |
| Min Supply Voltage | 2.5 V |
| Max Supply Voltage | 5.25 V |
| Power Dissipation (at 3V) | 225 µW (max) |
| Operating Temperature Range | -40°C to +105°C |
Key Features
- Low Power Consumption: The AD7788BRMZ operates with a maximum power dissipation of 225 µW when powered from a 3 V supply.
- High Precision: Offers 16-bit resolution with low noise performance, suitable for precise measurements.
- Internal Clock: No external clock source is required, simplifying system design.
- Simultaneous 50 Hz/60 Hz Rejection: The output data rate of 16.6 Hz provides effective rejection of 50 Hz and 60 Hz noise.
- Programmable Functions: Controlled via on-chip registers accessible through a serial interface (SPI).
- Bipolar/Unipolar Configuration: Supports both bipolar and unipolar input configurations.
Applications
The AD7788BRMZ is designed for low-frequency measurement applications, including:
- Industrial process control and monitoring.
- Medical devices requiring precise analog-to-digital conversion.
- Automotive systems where low power and high precision are critical.
- Environmental monitoring and data acquisition systems.
Q & A
- What is the resolution of the AD7788BRMZ?
The AD7788BRMZ has a 16-bit resolution.
- What is the sampling rate of the AD7788BRMZ?
The sampling rate is 16.6 samples per second (sps).
- Does the AD7788BRMZ require an external clock source?
No, the AD7788BRMZ operates from an internal clock.
- What is the power dissipation of the AD7788BRMZ when powered from a 3 V supply?
The maximum power dissipation is 225 µW.
- What type of interface does the AD7788BRMZ use?
The AD7788BRMZ uses a Serial Peripheral Interface (SPI).
- What is the operating temperature range of the AD7788BRMZ?
The operating temperature range is -40°C to +105°C.
- What package types are available for the AD7788BRMZ?
The AD7788BRMZ is available in a 10-lead MSOP package.
- Is the AD7788BRMZ suitable for bipolar and unipolar input configurations?
- What are some typical applications of the AD7788BRMZ?
Typical applications include industrial process control, medical devices, automotive systems, and environmental monitoring.
- How does the AD7788BRMZ handle 50 Hz and 60 Hz noise?
The output data rate of 16.6 Hz provides simultaneous 50 Hz and 60 Hz rejection.
