Overview
The Texas Instruments ADS7822UC/2K5 is a 12-bit sampling analog-to-digital converter (ADC) designed for high-speed and low-power applications. This device operates over a supply range of 2.7V to 5.25V, making it versatile for various power-constrained systems. The ADS7822UC/2K5 features a pseudo-differential input and a synchronous serial interface, which facilitates easy integration into a wide range of data acquisition systems.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 12 Bits |
| Sample Rate (Max) | 200 kSPS |
| Analog Voltage AVDD (Min/Max) | 2.7V / 5.25V |
| Digital Supply (Min/Max) | 2.7V / 5.25V |
| Input Type | Pseudo-Differential, Single-Ended |
| Interface | Serial |
| Operating Temperature Range | -40°C to 85°C |
| Package | SOIC-8 |
| Power Consumption (Typ) | 1.6 mW at 200kHz |
| INL (Max) | 0.75 +/- LSB |
| SINAD | 71 dB |
| SNR | 71 dB |
| THD (Typ) | -82 dB |
Key Features
- High-speed sampling rate of up to 200 kHz
- Low power consumption: 1.6 mW at 200 kHz, 0.54 mW at 75 kHz, and 0.06 mW at 7.5 kHz
- Power-down mode with a maximum current of 3 µA
- Pseudo-differential input
- Synchronous serial interface
- Available in SOIC-8, mini-DIP-8, and MSOP-8 packages
- Reference voltage can be set to any level within the range of 50 mV to VCC
Applications
- Battery-operated systems
- Remote data acquisition
- Isolated data acquisition
- Simultaneous sampling, multichannel systems
Q & A
- What is the resolution of the ADS7822UC/2K5? The resolution is 12 bits.
- What is the maximum sampling rate of the ADS7822UC/2K5? The maximum sampling rate is 200 kSPS.
- What is the operating voltage range for the ADS7822UC/2K5? The operating voltage range is 2.7V to 5.25V.
- What type of input does the ADS7822UC/2K5 support? The ADS7822UC/2K5 supports pseudo-differential and single-ended inputs.
- What is the typical power consumption of the ADS7822UC/2K5 at 200 kHz? The typical power consumption is 1.6 mW at 200 kHz.
- What is the operating temperature range for the ADS7822UC/2K5? The operating temperature range is -40°C to 85°C.
- In what packages is the ADS7822UC/2K5 available? The ADS7822UC/2K5 is available in SOIC-8, mini-DIP-8, and MSOP-8 packages.
- What is the maximum current in power-down mode? The maximum current in power-down mode is 3 µA.
- What is the SINAD of the ADS7822UC/2K5? The SINAD is 71 dB.
- Is the ADS7822UC/2K5 RoHS compliant? Yes, the ADS7822UC/2K5 is RoHS compliant.
