Overview
The ADS7822UB/2K5G4 is a 12-bit, microPower sampling analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed to operate over a supply range of 2.7V to 5.25V and is known for its ultra-low power consumption, making it ideal for battery-operated systems and other power-sensitive applications. The ADS7822 features a high sampling rate of up to 200kHz and is available in various packages including mini-DIP-8, SO-8, and MSOP-8.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12 | Bits |
| Sampling Rate | Up to 200kHz | |
| 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 Type | SOIC (D) 8-pin, Mini-DIP-8, MSOP-8 | |
| Input Type | Pseudo-Differential | |
| Data Interface | SPI (Synchronous Serial Interface) | |
| Reference Voltage Range | 50mV to VCC |
Key Features
- High sampling rate of up to 200kHz
- Ultra-low power consumption: 1.6mW at 200kHz, 0.54mW at 75kHz, and 0.06mW at 7.5kHz
- Power-down mode with current as low as 3μA
- Pseudo-differential input
- Synchronous serial interface (SPI)
- Available in mini-DIP-8, SO-8, and MSOP-8 packages
- Reference voltage can be set to any level within the range of 50mV to VCC
Applications
- Battery-operated systems
- Remote data acquisition
- Isolated data acquisition
- Simultaneous sampling, multichannel systems
Q & A
- What is the resolution of the ADS7822UB/2K5G4?
The resolution of the ADS7822UB/2K5G4 is 12 bits.
- What is the maximum sampling rate of the ADS7822UB/2K5G4?
The maximum sampling rate is up to 200kHz.
- How much power does the ADS7822UB/2K5G4 consume at 200kHz?
The power consumption at 200kHz is 1.6mW.
- What is the power-down current of the ADS7822UB/2K5G4?
The power-down current is 3μA max.
- What types of packages are available for the ADS7822UB/2K5G4?
The device is available in mini-DIP-8, SO-8, and MSOP-8 packages.
- What is the operating temperature range of the ADS7822UB/2K5G4?
The operating temperature range is -40°C to 85°C.
- What type of input does the ADS7822UB/2K5G4 have?
The input type is pseudo-differential.
- What data interface does the ADS7822UB/2K5G4 use?
The device uses a synchronous serial interface (SPI).
- What is the range for the reference voltage of the ADS7822UB/2K5G4?
The reference voltage can be set to any level within the range of 50mV to VCC.
- What are some common applications of the ADS7822UB/2K5G4?
Common applications include battery-operated systems, remote data acquisition, isolated data acquisition, and simultaneous sampling, multichannel systems.
