Overview
The AD7706BRUZ is a high-precision, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7705/AD7706 family, designed for low-frequency measurement applications. It features a 16-bit sigma-delta conversion technique, ensuring high accuracy and no missing codes performance. The AD7706BRUZ is particularly suited for systems requiring precise analog signal conversion, such as those found in smart, microcontroller, or DSP-based systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Sampling Rate (Per Second) | Up to 500 sps |
| Number of Input Channels | 3 pseudo differential |
| Input Type | Pseudo differential, bipolar, unipolar |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible |
| Configuration | MUX-PGA-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | Differential reference input |
| Voltage - Supply, Analog | 2.7 V to 3.3 V or 4.75 V to 5.25 V |
| Voltage - Supply, Digital | 2.7 V to 3.3 V or 4.75 V to 5.25 V |
| Operating Temperature | -40°C to 85°C |
| Package / Case | 16-Lead TSSOP (0.173, 4.40mm Width) |
| Power Dissipation | 1 mW maximum @ 3 V |
| Standby Current | 8 μA maximum |
Key Features
- 16-bit sigma-delta ADC with no missing codes performance
- Three pseudo differential analog input channels
- Programmable gain front end with gains from 1 to 128
- Serial interface configurable for 3-wire operation (SPI, QSPI, MICROWIRE, DSP-compatible)
- Self-calibration and system calibration options to eliminate gain and offset errors
- Low power dissipation (1 mW maximum @ 3 V) and low standby power consumption (8 μA maximum)
- CMOS construction for low power consumption
- Ability to handle bipolar and unipolar input signal ranges
- On-chip digital filter with programmable filter cutoff and output update rate
Applications
The AD7706BRUZ is ideal for various low-frequency measurement applications, including:
- Smart sensor systems
- Microcontroller-based systems
- DSP-based systems
- Industrial automation and control
- Medical devices requiring precise analog signal conversion
- Environmental monitoring and data acquisition systems
Q & A
- What is the resolution of the AD7706BRUZ ADC?
The AD7706BRUZ has a 16-bit resolution.
- How many input channels does the AD7706BRUZ have?
The AD7706BRUZ features three pseudo differential analog input channels.
- What are the supported voltage supply ranges for the AD7706BRUZ?
The device operates from a single 2.7 V to 3.3 V or 4.75 V to 5.25 V supply.
- What types of input signals can the AD7706BRUZ handle?
The device can handle bipolar and unipolar input signal ranges.
- What is the maximum power dissipation of the AD7706BRUZ?
The maximum power dissipation is 1 mW at 3 V.
- What is the standby current of the AD7706BRUZ?
The standby current is 8 μA maximum.
- What is the operating temperature range of the AD7706BRUZ?
The operating temperature range is -40°C to 85°C.
- What package types are available for the AD7706BRUZ?
The device is available in a 16-Lead TSSOP package.
- Does the AD7706BRUZ support self-calibration?
Yes, the device supports self-calibration and system calibration options.
- What interfaces are supported by the AD7706BRUZ?
The device supports SPI, QSPI, MICROWIRE, and DSP-compatible serial interfaces.
