Overview
The AD7788BRMZ is a 16-bit, single-channel, ultra-low power, sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for low-frequency measurement applications and is known for its low power consumption and high precision. The AD7788BRMZ operates with a single power supply ranging from 2.5 V to 5.25 V and features an internal clock oscillator, eliminating the need for an external clock source. It is available in a 10-lead Mini Small Outline Package (MSOP) and is RoHS compliant.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | AD7788BRMZ |
| Manufacturer | Analog Devices Inc. |
| Package | 10-lead MSOP (0.118, 3.00mm Width) |
| Number of Bits | 16 |
| Sampling Rate | 16.6 sps |
| Polarity | Bipolar |
| Interface | 3-wire serial SPI-, QSPI™-, MICROWIRE-, and DSP-compatible |
| Min Supply Voltage | 2.5 V |
| Max Supply Voltage | 5.25 V |
| Power Dissipation (at 3V) | 225 µW maximum |
| RMS Noise | 1.5 µV |
| Integral Nonlinearity | 3.5 ppm typical |
Key Features
- Ultra-low power consumption with a maximum of 75 µA in normal operation and 1 µA in power-down mode.
- High precision with 16-bit resolution and an RMS noise of 1.5 µV.
- Internal clock oscillator, eliminating the need for an external clock source.
- Simultaneous 50 Hz and 60 Hz rejection due to an output data rate of 16.6 Hz.
- VDD monitor channel and reference input for enhanced functionality.
- 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
Applications
- Smart transmitters
- Battery applications
- Portable instrumentation
- Sensor measurement
- Temperature measurement
- Pressure measurement
- Weigh scales
- 4 to 20 mA loops.
Q & A
- What is the resolution of the AD7788BRMZ ADC?
The AD7788BRMZ has a 16-bit resolution.
- What is the sampling rate of the AD7788BRMZ?
The sampling rate of the AD7788BRMZ is 16.6 samples per second (sps).
- What is the power supply range for the AD7788BRMZ?
The AD7788BRMZ operates with a single power supply ranging from 2.5 V to 5.25 V.
- Does the AD7788BRMZ require an external clock source?
No, the AD7788BRMZ has an internal clock oscillator and does not require an external clock source.
- What is the typical power dissipation of the AD7788BRMZ at 3V supply?
The typical power dissipation is 225 µW maximum at a 3V supply.
- What type of interface does the AD7788BRMZ use?
The AD7788BRMZ uses a 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- What are some common applications of the AD7788BRMZ?
Common applications include smart transmitters, battery applications, portable instrumentation, sensor measurement, temperature measurement, pressure measurement, weigh scales, and 4 to 20 mA loops.
- What is the package type of the AD7788BRMZ?
The AD7788BRMZ is available in a 10-lead Mini Small Outline Package (MSOP).
- Is the AD7788BRMZ RoHS compliant?
Yes, the AD7788BRMZ is RoHS compliant.
- What is the RMS noise of the AD7788BRMZ?
The RMS noise of the AD7788BRMZ is 1.5 µV.
