Overview
The AD7708BR-REEL is a high-performance, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the AD7708 series and is known for its sigma-delta architecture, which provides high accuracy and low noise conversion. The AD7708BR-REEL is packaged in a 28-lead SOIC (Small Outline Integrated Circuit) and is available in tape and reel format, making it suitable for high-volume production.
This ADC features a programmable gain amplifier (PGA) and a multiplexer, allowing for flexible configuration to meet various application requirements. It supports multiple input channels and can operate with different input types, including differential, pseudo-differential, and single-ended inputs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 28-SOIC (0.295", 7.50mm Width) |
| Number of Bits | 16 |
| Sampling Rate (Per Second) | 1.37 kSPS |
| Number of Inputs | 4, 8 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-PGA-ADC |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7 V ~ 3.3 V, 5 V |
| Voltage - Supply, Digital | 2.7 V ~ 3.3 V, 5 V |
| Operating Temperature | -40°C ~ 85°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
Key Features
- High Accuracy: The AD7708BR-REEL offers 16-bit resolution with high accuracy and low noise, making it suitable for precision measurement applications.
- Programmable Gain Amplifier (PGA): The integrated PGA allows for gain settings from 1 to 128, enhancing the device's flexibility.
- Multiplexer and Configuration: The device includes a multiplexer and can be configured in various modes (MUX-PGA-ADC), allowing it to handle multiple input channels efficiently.
- Sigma-Delta Architecture: The sigma-delta conversion architecture provides high resolution and low noise, making it ideal for applications requiring high precision.
- Flexible Input Types: Supports differential, pseudo-differential, and single-ended input types, catering to a wide range of signal conditioning needs.
- Serial Interface: Features SPI and DSP compatible serial interfaces for easy communication with microcontrollers and other digital systems.
Applications
- Industrial Automation: Used in various industrial automation applications where precise measurement and control are required.
- Medical Devices: Suitable for medical devices that need high accuracy and reliability in signal conversion.
- Test and Measurement Equipment: Ideal for use in test and measurement equipment due to its high precision and low noise characteristics.
- Process Control Systems: Employed in process control systems to ensure accurate and reliable data acquisition.
- Aerospace and Defense: Used in aerospace and defense applications where high reliability and precision are critical.
Q & A
- What is the resolution of the AD7708BR-REEL ADC?
The AD7708BR-REEL has a 16-bit resolution.
- What is the sampling rate of the AD7708BR-REEL?
The sampling rate is 1.37 kSPS.
- What types of input channels does the AD7708BR-REEL support?
The device supports 4 or 8 input channels and can handle differential, pseudo-differential, and single-ended inputs.
- What is the architecture of the AD7708BR-REEL ADC?
The AD7708BR-REEL uses a sigma-delta conversion architecture.
- What are the supply voltage ranges for the AD7708BR-REEL?
The device operates with analog and digital supply voltages ranging from 2.7 V to 3.3 V and 5 V.
- What is the operating temperature range of the AD7708BR-REEL?
The operating temperature range is -40°C to 85°C.
- Does the AD7708BR-REEL support SPI and DSP interfaces?
Yes, it supports both SPI and DSP compatible serial interfaces.
- What is the package type and size of the AD7708BR-REEL?
The device is packaged in a 28-lead SOIC with a width of 0.295 inches (7.50 mm).
- Is the AD7708BR-REEL RoHS compliant?
No, the AD7708BR-REEL contains lead and is not RoHS compliant.
- What are some common applications of the AD7708BR-REEL?
Common applications include industrial automation, medical devices, test and measurement equipment, process control systems, and aerospace and defense.
