Overview
The AD7706BRU-REEL is a 16-bit, delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc. This integrated circuit is designed for low-frequency measurement applications and serves as a complete analog front end. It features three pseudo-differential input channels, making it suitable for a variety of signal conditioning and conversion tasks.
The device is known for its high accuracy and low power consumption, making it ideal for use in smart, microcontroller, or DSP-based systems. The AD7706BRU-REEL operates from a single supply voltage of 2.7 V to 3.3 V or 4.75 V to 5.25 V, enhancing its versatility in different application environments.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 3 pseudo-differential input channels |
| Conversion Technique | Delta-Sigma (Σ-Δ) |
| Supply Voltage | 2.7 V to 3.3 V or 4.75 V to 5.25 V |
| Power Dissipation | 1 mW maximum @ 3 V |
| Standby Current | 8 μA maximum |
| Input Signal Range | 0 mV to 20 mV, 0 V to 2.5 V, and bipolar ranges up to ±1.225 V |
| Nonlinearity | ±0.003% |
| RMS Noise | <600 nV |
| Package Type | 16-lead TSSOP |
| Operating Temperature | −40°C to +85°C |
Key Features
- Programmable Gain Front End: Gains from 1 to 128, allowing for flexible signal conditioning.
- Serial Interface: 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Low Power Consumption: Maximum power dissipation of 1 mW at 3 V and standby current of 8 μA.
- High Accuracy: 16-bit resolution with no missing codes and ±0.003% nonlinearity.
- On-Chip Calibration: Self-calibration and system calibration options to eliminate gain and offset errors.
- Buffered Analog Input: Ability to buffer the analog input, enhancing signal integrity.
- Differential Reference Input: Supports differential reference input for improved accuracy.
Applications
- Smart and Microcontroller-Based Systems: Ideal for use in systems requiring precise analog-to-digital conversion.
- DSP-Based Systems: Compatible with digital signal processors for advanced signal processing tasks.
- Low-Frequency Measurement Applications: Suitable for applications involving low-level input signals from transducers.
- Industrial Automation: Used in various industrial automation tasks requiring accurate and reliable signal conversion.
- Medical Devices: Applicable in medical devices that require high precision and low noise in signal conversion.
Q & A
- What is the resolution of the AD7706BRU-REEL?
The AD7706BRU-REEL has a resolution of 16 bits.
- How many input channels does the AD7706BRU-REEL have?
The AD7706BRU-REEL features three pseudo-differential input channels.
- What is the conversion technique used in the AD7706BRU-REEL?
The AD7706BRU-REEL uses the delta-sigma (Σ-Δ) conversion technique.
- What is the operating supply voltage range for the AD7706BRU-REEL?
The AD7706BRU-REEL operates from a single supply voltage of 2.7 V to 3.3 V or 4.75 V to 5.25 V.
- What is the maximum power dissipation of the AD7706BRU-REEL at 3 V?
The maximum power dissipation is 1 mW at 3 V.
- What is the standby current of the AD7706BRU-REEL?
The standby current is 8 μA maximum.
- What are the input signal ranges supported by the AD7706BRU-REEL?
The device supports input signal ranges from 0 mV to 20 mV, 0 V to 2.5 V, and bipolar ranges up to ±1.225 V.
- What is the nonlinearity of the AD7706BRU-REEL?
The nonlinearity is ±0.003%.
- What is the RMS noise of the AD7706BRU-REEL?
The RMS noise is less than 600 nV.
- In what package type is the AD7706BRU-REEL available?
The AD7706BRU-REEL is available in a 16-lead TSSOP package.
