Overview
The ADS4225IRGCT is a dual-channel, 12-bit analog-to-digital converter (ADC) produced by Texas Instruments. It is part of the ADS42xx family, known for its ultralow-power consumption and high dynamic performance. This ADC is designed to operate at high speeds, making it suitable for various high-performance applications, particularly in multi-carrier and wide-bandwidth communications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sample Rate | Up to 125 MSPS |
| Supply Voltage | 1.8 V |
| Power Consumption | 183 mW at 65 MSPS, 277 mW at 125 MSPS, 332 mW at 160 MSPS |
| Package | VQFN-64 (9.00 mm × 9.00 mm) |
| Operating Temperature Range | -40°C to 85°C |
| Output Interface | 1.8-V parallel CMOS, DDR LVDS with programmable swing |
| Crosstalk | > 90 dB at 185 MHz |
| SNR | 71.4 dBFS at 170 MHz |
| SFDR | 88 dBc at 170 MHz |
Key Features
- Ultralow power consumption with a single 1.8-V supply.
- High dynamic performance with 88-dBc SFDR and 71.4-dBFS SNR at 170 MHz.
- Programmable gain up to 6 dB for SNR/SFDR trade-off.
- DC offset correction.
- Output interface options include 1.8-V parallel CMOS and DDR LVDS with programmable swing (standard swing: 350 mV, low swing: 200 mV).
- Supports low input clock amplitude down to 200 mV.
Applications
The ADS4225IRGCT is well-suited for multi-carrier and wide-bandwidth communications applications, including but not limited to:
- Wireless infrastructure equipment.
- Base stations.
- Software-defined radios.
- Medical imaging and diagnostic equipment.
- High-speed data acquisition systems.
Q & A
- What is the resolution of the ADS4225IRGCT ADC?
The ADS4225IRGCT has a resolution of 12 bits. - What are the sample rates supported by the ADS4225IRGCT?
The ADS4225IRGCT supports sample rates up to 125 MSPS. - What is the power consumption of the ADS4225IRGCT at different sample rates?
The power consumption is 183 mW at 65 MSPS, 277 mW at 125 MSPS, and 332 mW at 160 MSPS. - What is the package type and size of the ADS4225IRGCT?
The ADS4225IRGCT comes in a VQFN-64 package with dimensions of 9.00 mm × 9.00 mm. - What is the operating temperature range of the ADS4225IRGCT?
The operating temperature range is -40°C to 85°C. - What output interfaces are supported by the ADS4225IRGCT?
The ADS4225IRGCT supports 1.8-V parallel CMOS and DDR LVDS with programmable swing. - What is the crosstalk performance of the ADS4225IRGCT?
The crosstalk is greater than 90 dB at 185 MHz. - What are the SNR and SFDR specifications of the ADS4225IRGCT?
The SNR is 71.4 dBFS and the SFDR is 88 dBc at 170 MHz. - Does the ADS4225IRGCT support programmable gain?
Yes, the ADS4225IRGCT supports programmable gain up to 6 dB for SNR/SFDR trade-off. - What are some typical applications of the ADS4225IRGCT?
The ADS4225IRGCT is typically used in multi-carrier and wide-bandwidth communications applications, including wireless infrastructure equipment, base stations, software-defined radios, medical imaging, and high-speed data acquisition systems.
