Overview
The ADS5474IPFPRG4 is a 14-bit, 400-MSPS analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of a family of high-speed ADCs that operate from 210 MSPS to 500 MSPS. It is built on Texas Instruments' complementary bipolar process (BiCom3) and is specified over the full industrial temperature range of –40°C to +85°C. The ADS5474IPFPRG4 operates from both 5-V and 3.3-V supplies and provides LVDS-compatible digital outputs. It features an on-chip analog buffer, track-and-hold, and reference circuit, making it suitable for various high-speed data acquisition applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 bits | |
| Sampling Rate | 400 MSPS | |
| Input Bandwidth | 1.4 GHz | |
| Supply Voltage | 5 V, 3.3 V | |
| Power Dissipation | 2.5 W (total), 50 mW (power-down mode) | |
| Temperature Range | –40°C to +85°C | |
| Package Type | HTQFP-80 PowerPAD | |
| Package Size | 12 mm x 12 mm | |
| Output Format | Offset Binary, LVDS-compatible | |
| Aperture Delay | 200 ps | |
| Aperture Jitter (rms) | 103 fs |
Key Features
- High-speed 14-bit analog-to-digital conversion at 400 MSPS.
- On-chip analog buffer, track-and-hold, and reference circuit.
- LVDS-compatible digital outputs with data transitions on the rising and falling edges of a half-rate output clock.
- Low-noise performance and spurious-free dynamic range over a large input frequency range.
- Internal reference generator to simplify system design.
- High-impedance input buffer to isolate the internal switching of the onboard track and hold from disturbing the signal source.
- Power-down mode with 50 mW power dissipation.
- Industrial temperature range operation from –40°C to +85°C.
Applications
- Test and Measurement Instrumentation
- Software-Defined Radio
- Data Acquisition
- Power Amplifier Linearization
- Communication Instrumentation
- Radar Systems
Q & A
- What is the resolution and sampling rate of the ADS5474IPFPRG4? The ADS5474IPFPRG4 is a 14-bit ADC with a sampling rate of 400 MSPS.
- What are the supply voltage options for this ADC? The ADS5474IPFPRG4 operates from both 5-V and 3.3-V supplies.
- What is the input bandwidth of the ADS5474IPFPRG4? The input bandwidth is 1.4 GHz.
- What is the power dissipation of the ADS5474IPFPRG4 in normal and power-down modes? The total power dissipation is 2.5 W, and in power-down mode, it is 50 mW.
- What is the temperature range for the ADS5474IPFPRG4? The device operates over the full industrial temperature range of –40°C to +85°C.
- What type of output does the ADS5474IPFPRG4 provide? The ADC provides LVDS-compatible digital outputs.
- What are some key applications of the ADS5474IPFPRG4? Key applications include test and measurement instrumentation, software-defined radio, data acquisition, power amplifier linearization, communication instrumentation, and radar systems.
- What is the package type and size of the ADS5474IPFPRG4? The device is packaged in an HTQFP-80 PowerPAD package with a footprint of 12 mm x 12 mm.
- Does the ADS5474IPFPRG4 have an internal reference generator? Yes, it has an internal reference generator to simplify system design.
- What is the aperture delay and jitter of the ADS5474IPFPRG4? The aperture delay is 200 ps, and the aperture jitter (rms) is 103 fs.
