Overview
The ADS62P49IRGCT, produced by Texas Instruments, is a dual-channel analog-to-digital converter (ADC) that offers high dynamic performance and low power consumption. This device is part of the ADS62Px9/x8 family, which includes both 14-bit and 12-bit ADCs with sampling rates up to 250 MSPS. The ADS62P49IRGCT is particularly suited for multi-carrier, wide bandwidth communications applications due to its high sampling rate and compact 64 QFN package (9 mm × 9 mm).
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit (ADS62P49), 12-bit (ADS62P29/ADS62P28) |
| Maximum Sample Rate | 250 MSPS |
| Total Power | 1.25 W at 250 MSPS |
| Output Options | Double Data Rate (DDR) LVDS and Parallel CMOS |
| Programmable Gain | Up to 6dB for SNR/SFDR Trade-Off |
| DC Offset Correction | Yes |
| Cross-Talk | 90dB |
| Input Clock Amplitude | Down to 400 mVpp Differential |
| Reference Support | Internal and External Reference |
| Package | 64 QFN (9 mm × 9 mm) |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- High dynamic performance and low power consumption.
- Double Data Rate (DDR) LVDS and Parallel CMOS output interfaces.
- Programmable gain up to 6dB for SNR/SFDR trade-off.
- DC offset correction loop to cancel the ADC offset.
- Internal and external reference support.
- Supports input clock amplitude down to 400 mVpp differential.
- Compact 64 QFN package (9 mm × 9 mm).
Applications
The ADS62P49IRGCT is well-suited for various high-speed data conversion applications, particularly in:
- Multi-carrier and wide bandwidth communications systems.
- Radar and surveillance systems.
- Medical imaging and diagnostic equipment.
- High-speed data acquisition systems.
Q & A
- What is the maximum sampling rate of the ADS62P49IRGCT?
The maximum sampling rate is 250 MSPS.
- What are the resolution options for the ADS62Px9/x8 family?
The family includes both 14-bit (ADS62P49/ADS62P48) and 12-bit (ADS62P29/ADS62P28) resolutions.
- What are the output interface options for the ADS62P49IRGCT?
The device supports Double Data Rate (DDR) LVDS and Parallel CMOS output interfaces.
- Does the ADS62P49IRGCT support programmable gain?
Yes, it supports programmable gain up to 6dB for SNR/SFDR trade-off.
- What is the operating temperature range of the ADS62P49IRGCT?
The operating temperature range is -40°C to 85°C.
- Can the ADS62P49IRGCT use an external reference?
Yes, the device can be driven with an external reference in addition to its internal reference.
- What is the package type and size of the ADS62P49IRGCT?
The device is packaged in a 64 QFN package with dimensions of 9 mm × 9 mm.
- What is the total power consumption at the maximum sampling rate?
The total power consumption is 1.25 W at 250 MSPS.
- Does the ADS62P49IRGCT have DC offset correction?
Yes, it includes a DC offset correction loop to cancel the ADC offset.
- What is the cross-talk specification for the ADS62P49IRGCT?
The cross-talk specification is 90dB.
