Overview
The ADS5296ARGCT, produced by Texas Instruments, is a highly versatile and low-power analog-to-digital converter (ADC). This device is designed to offer multiple configurations, making it suitable for a wide range of applications. It can operate as a 12-bit, 8-channel ADC with sample rates up to 80 MSPS or as a 10-bit, 4-channel ADC with sample rates up to 200 MSPS. The ADS5296ARGCT features advanced digital processing capabilities, low power consumption, and a compact 9-mm × 9-mm QFN-64 package, making it an attractive choice for high channel count data acquisition systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit (8-channel), 10-bit (4-channel) | |
| Sample Rate | Up to 80 MSPS (12-bit, 8-channel), Up to 200 MSPS (10-bit, 4-channel) | MSPS |
| Analog Supply Voltage | 1.7 to 1.9 | V |
| Digital Supply Voltage | 1.7 to 1.9 | V |
| Differential Input Voltage Range | 2.0 | VPP |
| SNR (12-bit, 80 MSPS) | 70.3 dBFS | dBFS |
| SNR (10-bit, 200 MSPS) | 61.3 dBFS | dBFS |
| Power Consumption (12-bit, 80 MSPS) | 65 mW per channel | mW |
| Power Consumption (10-bit, 200 MSPS) | 150 mW per channel | mW |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 9-mm × 9-mm QFN-64 |
Key Features
- Configurable Modes of Operation: Can be configured as a 12-bit, 8-channel ADC or a 10-bit, 4-channel ADC with interleaving for higher sample rates.
- Low Power Consumption: Low power consumption with 65 mW per channel at 80 MSPS and 150 mW per channel at 200 MSPS.
- Digital Processing Block: Includes programmable FIR decimation filter, IIR high-pass filter, and digital gain adjustment.
- Low-Frequency Noise Suppression Mode: Enhances SNR in low-frequency applications.
- Serial LVDS Interface: Supports high-speed data transfer with up to 1 Gbps data rate.
- Programmable Mapping: Allows mapping between ADC input channels and LVDS output pins.
- Channel Averaging Mode: Supports averaging of multiple channels for improved signal quality.
Applications
- Ultrasound Imaging: Suitable for high-resolution imaging due to its high sample rates and multiple channels.
- Communication Applications: Used in high-speed data acquisition and processing in communication systems.
- Multichannel Data Acquisition: Ideal for systems requiring simultaneous sampling of multiple analog inputs.
Q & A
- What are the different operating modes of the ADS5296ARGCT?
The ADS5296ARGCT can operate as a 12-bit, 8-channel ADC or as a 10-bit, 4-channel ADC with sample rates up to 200 MSPS through interleaving.
- What is the power consumption of the ADS5296ARGCT?
The power consumption is 65 mW per channel at 80 MSPS and 150 mW per channel at 200 MSPS.
- What is the operating temperature range of the ADS5296ARGCT?
The operating temperature range is -40°C to +85°C.
- What type of interface does the ADS5296ARGCT use for data transfer?
The device uses a serial LVDS interface with up to 1 Gbps data rate.
- Does the ADS5296ARGCT support low-frequency noise suppression?
Yes, it includes a low-frequency noise suppression mode to improve SNR in low-frequency applications.
- What is the package type of the ADS5296ARGCT?
The device is available in a 9-mm × 9-mm QFN-64 package.
- Can the ADS5296ARGCT be used in ultrasound imaging applications?
Yes, it is suitable for high-resolution ultrasound imaging due to its high sample rates and multiple channels.
- Does the ADS5296ARGCT support programmable digital gain?
Yes, it supports programmable digital gain from 0 dB to 12 dB.
- What are the typical SNR values for the ADS5296ARGCT?
The SNR is 70.3 dBFS for 12-bit, 80 MSPS mode and 61.3 dBFS for 10-bit, 200 MSPS mode.
- Can the ADS5296ARGCT be configured to map ADC input channels to LVDS output pins?
Yes, it allows programmable mapping between ADC input channels and LVDS output pins.
