Overview
The ADS5485IRGCT is a 16-bit, high-speed analog-to-digital converter (ADC) produced by Texas Instruments. This device operates at sample rates of 170/200 MSPS and is designed to provide high performance and low noise in various applications. The ADS5485IRGCT features an on-chip high impedance analog buffer, efficient DDR LVDS-compatible outputs, and an internal reference generator to simplify system design. It is part of the ADS548x family, which includes pin-compatible devices with sample rates ranging from 80 to 200 MSPS. The device is built on Texas Instruments' complementary bipolar process (BiCom3) and is specified over the full industrial temperature range of –40°C to 85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sample Rate | 170/200 MSPS |
| Noise Floor | 78 dBFS |
| Spurious-Free Dynamic Range (SFDR) | 95 dBc |
| Input Type | Differential |
| Data Interface | LVDS - Parallel |
| Package | VQFN (RGC) - 64 pins |
| Operating Temperature Range | –40°C to 85°C |
| Power Consumption (Power-Down Mode) | 70 mW |
Key Features
The ADS5485IRGCT boasts several key features that make it a robust and versatile ADC:
- On-chip high impedance analog buffer to isolate the internal switching of the onboard track and hold (T & H) from disturbing the signal source.
- Efficient DDR LVDS-compatible outputs for high-speed data transfer.
- Internal reference generator to simplify system design.
- Internal dither available to improve SFDR.
- Pin-for-pin compatibility with ADS5483/5482/5481 ADCs, allowing for easy upgrade or downgrade in sample rates.
- QFN-64 PowerPAD package with a 9 mm × 9 mm footprint.
Applications
The ADS5485IRGCT is suitable for a variety of high-performance applications, including:
- Wireless Infrastructure
- Test and Measurement Instrumentation
- Software-Defined Radio
- Data Acquisition
- Power Amplifier Linearization
- Radar
- Medical Imaging
Q & A
- What is the resolution of the ADS5485IRGCT?
The ADS5485IRGCT has a 16-bit resolution.
- What are the sample rates of the ADS5485IRGCT?
The sample rates are 170/200 MSPS.
- What is the noise floor of the ADS5485IRGCT?
The noise floor is 78 dBFS).
- What is the SFDR of the ADS5485IRGCT?
The SFDR is 95 dBc).
- What type of input does the ADS5485IRGCT have?
The input type is differential).
- What is the data interface of the ADS5485IRGCT?
The data interface is LVDS - Parallel).
- What is the package type and pin count of the ADS5485IRGCT?
The package type is VQFN (RGC) with 64 pins).
- What is the operating temperature range of the ADS5485IRGCT?
The operating temperature range is –40°C to 85°C).
- What is the power consumption in power-down mode?
The power consumption in power-down mode is 70 mW).
- What are some typical applications of the ADS5485IRGCT?
Typical applications include wireless infrastructure, test and measurement instrumentation, software-defined radio, data acquisition, power amplifier linearization, radar, and medical imaging).
