Overview
The ADS6149IRGZR is a high-performance analog-to-digital converter (ADC) produced by Texas Instruments. It is part of the ADS614X family, which includes 14-bit and 12-bit ADCs with sampling rates up to 250 MSPS. This device is designed to combine high dynamic performance with low power consumption, making it well-suited for a variety of applications requiring high-speed data conversion.
The ADS6149IRGZR is packaged in a compact 48-pin VQFN (7mm × 7mm) package and operates over an industrial temperature range of -40°C to 85°C. It features both internal and external reference support, and it includes a dc offset correction loop and programmable fine gain options to enhance performance.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14-bit (ADS614X), 12-bit (ADS612X) |
| Sampling Rate | Up to 250 MSPS |
| Number of Inputs | 1 Differential Input |
| Data Interface | DDR LVDS and Parallel CMOS |
| Architecture | Pipelined |
| Reference Type | Internal and External |
| Analog Supply Voltage | 3 V to 3.6 V |
| Digital Supply Voltage | 1.7 V to 1.9 V |
| Total Power Dissipation at 250 MSPS | 687 mW |
| Operating Temperature Range | -40°C to 85°C |
| Package | 48-VQFN (7mm × 7mm) |
Key Features
- Maximum Sample Rate: Up to 250 MSPS
- Programmable Fine Gain up to 6dB for SNR/SFDR Trade-Off
- DC Offset Correction Loop
- Supports Input Clock Amplitude Down to 400 mV Differential
- Double Data Rate (DDR) LVDS and Parallel CMOS Output Options
- Internal and External Reference Support
- Pin Compatible with ADS5547 Family
- Automatically Scales Down Power at Lower Sampling Rates Without Loss in Performance
Applications
- Multicarrier, Wide Band-Width Communications
- Wireless Multi-carrier Communications Infrastructure
- Software Defined Radio
- Power Amplifier Linearization
- 802.16d/e
- Test and Measurement Instrumentation
- High Definition Video
- Medical Imaging
- Radar Systems
Q & A
- What is the maximum sampling rate of the ADS6149IRGZR?
The maximum sampling rate of the ADS6149IRGZR is up to 250 MSPS.
- What are the available output interfaces for the ADS6149IRGZR?
The ADS6149IRGZR supports both DDR LVDS and parallel CMOS output interfaces.
- What is the operating temperature range of the ADS6149IRGZR?
The operating temperature range is -40°C to 85°C.
- Does the ADS6149IRGZR support both internal and external references?
Yes, the ADS6149IRGZR supports both internal and external references.
- What is the power dissipation of the ADS6149IRGZR at 250 MSPS?
The total power dissipation at 250 MSPS is 687 mW.
- What type of package does the ADS6149IRGZR come in?
The ADS6149IRGZR comes in a 48-pin VQFN (7mm × 7mm) package.
- Is the ADS6149IRGZR pin compatible with other TI parts?
Yes, it is pin compatible with the ADS5547 family.
- What are some of the key applications for the ADS6149IRGZR?
Key applications include multicarrier communications, software defined radio, power amplifier linearization, and medical imaging.
- Does the ADS6149IRGZR have a dc offset correction feature?
Yes, it includes a dc offset correction loop to cancel the ADC offset.
- Can the power consumption of the ADS6149IRGZR be scaled down at lower sampling rates?
Yes, the ADC automatically operates at scaled down power at lower sampling rates without loss in performance.
