Overview
The AD7707BRUZ-REEL, produced by Analog Devices Inc., is a highly integrated analog-to-digital converter (ADC) designed for low-frequency measurement applications. This 3-channel device is part of a complete analog front end, capable of accepting both low-level and high-level input signals directly from transducers or other sources. It employs a sigma-delta (Σ-Δ) conversion technique to achieve up to 16 bits of no missing codes performance. The AD7707BRUZ-REEL is ideal for use in smart sensors, microcontroller, or DSP-based systems, particularly in industrial automation, IoT, and other precision measurement applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package / Case | 20-TSSOP (0.173, 4.40mm Width) |
| Number of Analog In Channels | 3 |
| Number of Pins | 20 |
| Resolution | 16 bits |
| Sampling Rate | 500 sps |
| Polarity | Bipolar, Unipolar |
| Interface | SPI, QSPI™, MICROWIRE™, DSP compatible |
| Min Supply Voltage | 2.7 V |
| Max Supply Voltage | 5.25 V |
| Operating Temperature | −40°C to +85°C |
| Power Dissipation | Less than 1 mW at 3 V |
| Standby Current | Less than 8 μA |
Key Features
- Programmable Gain Front End: Allows for gains from 1 to 128, making it versatile for various input signal ranges.
- Low Power Consumption: Consumes less than 1 mW at 3 V supplies, ideal for low power systems.
- High Accuracy and Linearity: Offers 16 bits of no missing codes performance with ±0.003% accuracy and low rms noise.
- On-Chip Calibration: Eliminates zero-scale and full-scale errors, ensuring high static performance specifications.
- Multiple Input Channels: Includes two low-level pseudo-differential analog input channels and one high-level input channel.
- Flexible Input Ranges: Can handle input signal ranges from ±10 mV to ±10 V, accommodating a wide range of measurement needs.
- 3-Wire Serial Interface: Compatible with SPI, QSPI™, MICROWIRE™, and DSP interfaces for easy integration into systems.
Applications
The AD7707BRUZ-REEL is suitable for a variety of applications, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- IoT Systems: Ideal for IoT applications requiring low power consumption and high accuracy.
- Smart Sensors: Used in smart sensor systems that require direct connection to transducers.
- Medical Devices: For applications requiring high precision and low noise performance.
- Test and Measurement Equipment: For building high-accuracy measurement instruments.
Q & A
- What is the resolution of the AD7707BRUZ-REEL?
The AD7707BRUZ-REEL has a resolution of 16 bits.
- What are the supply voltage ranges for the AD7707BRUZ-REEL?
The device operates from a single supply voltage of 2.7 V to 5.25 V.
- How many analog input channels does the AD7707BRUZ-REEL have?
The device has three analog input channels.
- What is the sampling rate of the AD7707BRUZ-REEL?
The sampling rate is 500 sps (samples per second).
- What interfaces are supported by the AD7707BRUZ-REEL?
The device supports SPI, QSPI™, MICROWIRE™, and DSP compatible interfaces.
- What is the power consumption of the AD7707BRUZ-REEL?
The device consumes less than 1 mW at 3 V supplies.
- What is the standby current of the AD7707BRUZ-REEL?
The standby current is less than 8 μA.
- Can the AD7707BRUZ-REEL handle high-level input signals?
Yes, it can handle high-level input signals up to ±10 V.
- What is the operating temperature range of the AD7707BRUZ-REEL?
The operating temperature range is −40°C to +85°C.
- Does the AD7707BRUZ-REEL support on-chip calibration?
Yes, it supports on-chip calibration to eliminate zero-scale and full-scale errors.
