Overview
The ADS7822UC is a 12-bit sampling analog-to-digital (A/D) converter produced by Texas Instruments. This device is characterized by its high speed and ultra-low power consumption, making it ideal for various applications requiring precise and efficient data conversion. The ADS7822UC operates over a supply range of 2.7V to 5.25V and features a pseudo-differential input, a synchronous serial interface, and the ability to set the reference voltage within a range of 50mV to VCC. Its low power consumption and small size make it particularly suitable for battery-operated systems, remote data acquisition, and isolated data acquisition scenarios.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | Up to 200kHz |
| Supply Voltage Range | 2.7V to 5.25V |
| Power Consumption at 200kHz | 1.6mW |
| Power Consumption at 75kHz | 0.54mW |
| Power Consumption at 7.5kHz | 0.06mW |
| Power Down Current | 3µA max |
| Operating Temperature Range | -40°C to 85°C |
| Package Types | Mini-DIP-8, SO-8, MSOP-8 |
| Input Type | Pseudo-Differential |
| Interface | Synchronous Serial |
Key Features
- High-speed sampling rate up to 200kHz
- Ultra-low power consumption: 1.6mW at 200kHz, 0.54mW at 75kHz, and 0.06mW at 7.5kHz
- Low power-down current: 3µA max
- Pseudo-differential input
- Synchronous serial interface
- Reference voltage adjustable from 50mV to VCC
- Available in mini-DIP-8, SO-8, and MSOP-8 packages
Applications
- Battery-operated systems
- Remote data acquisition
- Isolated data acquisition
- Simultaneous sampling, multichannel systems
Q & A
- What is the resolution of the ADS7822UC?
The ADS7822UC has a 12-bit resolution.
- What is the maximum sampling rate of the ADS7822UC?
The maximum sampling rate is up to 200kHz.
- What is the supply voltage range for the ADS7822UC?
The supply voltage range is from 2.7V to 5.25V.
- How much power does the ADS7822UC consume at 200kHz?
The power consumption at 200kHz is 1.6mW.
- What is the power-down current of the ADS7822UC?
The power-down current is 3µA max.
- What types of packages are available for the ADS7822UC?
The ADS7822UC is available in mini-DIP-8, SO-8, and MSOP-8 packages.
- What kind of input does the ADS7822UC have?
The ADS7822UC has a pseudo-differential input.
- What type of interface does the ADS7822UC use?
The ADS7822UC uses a synchronous serial interface.
- What are some common applications for the ADS7822UC?
Common applications include battery-operated systems, remote data acquisition, isolated data acquisition, and simultaneous sampling, multichannel systems.
- What is the operating temperature range for the ADS7822UC?
The operating temperature range is from -40°C to 85°C.
