Overview
The Texas Instruments ADS7822EB/2K5 is a 12-bit sampling analog-to-digital (A/D) converter designed for high-speed and low-power applications. This device operates within a supply range of 2.7V to 5.25V and is optimized for battery-operated systems, remote data acquisition, and simultaneous multi-channel systems. The ADS7822EB/2K5 features a synchronous serial interface and pseudo-differential input, making it versatile for various data acquisition needs. It is available in mini-DIP-8, SOIC-8, and MSOP-8 packages, ensuring compact and efficient integration into different system designs.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 12 | 12 | 12 | Bits |
| Sampling Rate | 7.5 kHz | 75 kHz | 200 kHz | kHz |
| Supply Voltage | 2.7 V | - | 5.25 V | V |
| Power Consumption (at 200 kHz) | - | 1.6 mW | - | mW |
| Power Consumption (at 7.5 kHz) | - | 0.06 mW | - | mW |
| Operating Temperature | -40°C | - | 85°C | °C |
| Package Types | - | Mini-DIP-8, SOIC-8, MSOP-8 | - | - |
| Interface Type | - | Synchronous Serial | - | - |
| Input Type | - | Pseudo-Differential | - | - |
Key Features
- High-Speed Conversion: The ADS7822EB/2K5 supports sampling rates up to 200 kHz, making it suitable for high-speed data acquisition applications.
- Low Power Consumption: The device operates at very low power, with consumption as low as 0.06 mW at 7.5 kHz and 1.6 mW at 200 kHz, ideal for battery-operated systems.
- Synchronous Serial Interface: It features a synchronous serial interface for efficient data transfer.
- Pseudo-Differential Input: The pseudo-differential input allows for flexible input configurations and improved noise rejection.
- Compact Packaging: Available in mini-DIP-8, SOIC-8, and MSOP-8 packages, ensuring compact integration into various system designs.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to 85°C, making it suitable for a variety of environmental conditions.
Applications
- Battery-Operated Systems: The ultra-low power consumption makes the ADS7822EB/2K5 ideal for battery-operated systems where power efficiency is critical.
- Remote Data Acquisition: Suitable for remote data acquisition modules due to its low power and compact size.
- Simultaneous Multi-Channel Systems: Can be used in simultaneous multi-channel systems where high-speed and low-power conversion are required.
- Isolated Data Acquisition: Ideal for isolated data acquisition applications where the device's pseudo-differential input and low power consumption are beneficial.
Q & A
- What is the resolution of the ADS7822EB/2K5?
The resolution of the ADS7822EB/2K5 is 12 bits.
- What are the supported sampling rates for the ADS7822EB/2K5?
The device supports sampling rates up to 200 kHz, with lower rates such as 75 kHz and 7.5 kHz also available.
- What is the supply voltage range for the ADS7822EB/2K5?
The supply voltage range is from 2.7V to 5.25V.
- What types of packages are available for the ADS7822EB/2K5?
The device is available in mini-DIP-8, SOIC-8, and MSOP-8 packages.
- What is the operating temperature range of the ADS7822EB/2K5?
The operating temperature range is from -40°C to 85°C.
- What type of interface does the ADS7822EB/2K5 use?
The device features a synchronous serial interface.
- What is the input type of the ADS7822EB/2K5?
The input type is pseudo-differential.
- How much power does the ADS7822EB/2K5 consume at 200 kHz?
The power consumption at 200 kHz is approximately 1.6 mW.
- Is the ADS7822EB/2K5 suitable for battery-operated systems?
Yes, the ultra-low power consumption makes it ideal for battery-operated systems.
- Can the ADS7822EB/2K5 be used in remote data acquisition applications?
Yes, it is suitable for remote data acquisition due to its low power and compact size.
