Overview
The ADS5474IPFPR is a 14-bit, 400-MSPS analog-to-digital converter (ADC) produced by Texas Instruments. This device operates from both a 5-V and a 3.3-V supply, providing LVDS-compatible digital outputs. It is part of a family of 12-, 13-, and 14-bit ADCs that operate from 210 MSPS to 500 MSPS. The ADS5474IPFPR features an on-chip analog buffer, track-and-hold, and reference circuit, which simplifies system design and ensures high-impedance input to isolate the internal switching from the signal source. 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 | Unit |
|---|---|---|
| Resolution | 14-bit | |
| Sample Rate | 400 MSPS | |
| Input Bandwidth | 1.4 GHz | |
| SNR (at 230 MHz and 400 MSPS) | 69.8 dBFS | |
| SFDR (at 230 MHz and 400 MSPS) | 80 dBc | |
| Differential Input Voltage | 2.2 Vpp | |
| Total Power Dissipation | 2.5 W | |
| Power-Down Power Dissipation | 50 mW | |
| Operating Temperature Range | –40°C to +85°C | |
| Package Type | HTQFP-80 PowerPAD | |
| Package Size | 14-mm × 14-mm |
Key Features
- 400-MSPS sample rate
- 14-bit resolution, 11.2-bits ENOB
- 1.4-GHz input bandwidth
- LVDS-compatible digital outputs
- On-chip analog buffer, track-and-hold, and reference circuit
- Offset binary output format
- Output data transitions on the rising and falling edges of a half-rate output clock
- HTQFP-80 PowerPAD package with a 14-mm × 14-mm footprint
- Industrial temperature range: –40°C to +85°C
- Pin-similar and compatible with 12-, 13-, and 14-bit family: ADS5463, ADS5440, ADS5444
Applications
- Test and Measurement Instrumentation
- Software-Defined Radio
- Data Acquisition
- Power Amplifier Linearization
- Communication Instrumentation
- Radar
Q & A
- What is the resolution and sample rate of the ADS5474IPFPR?
The ADS5474IPFPR has a 14-bit resolution and operates at a sample rate of 400 MSPS.
- What is the input bandwidth of the ADS5474IPFPR?
The input bandwidth of the ADS5474IPFPR is 1.4 GHz.
- What type of digital outputs does the ADS5474IPFPR provide?
The ADS5474IPFPR provides LVDS-compatible digital outputs.
- What is the total power dissipation of the ADS5474IPFPR?
The total power dissipation of the ADS5474IPFPR is 2.5 W, with a power-down mode of 50 mW.
- What is the operating temperature range of the ADS5474IPFPR?
The operating temperature range of the ADS5474IPFPR is –40°C to +85°C.
- What package type and size does the ADS5474IPFPR come in?
The ADS5474IPFPR comes in an HTQFP-80 PowerPAD package with a 14-mm × 14-mm footprint.
- What are some of the key applications of the ADS5474IPFPR?
The ADS5474IPFPR is used in test and measurement instrumentation, software-defined radio, data acquisition, power amplifier linearization, communication instrumentation, and radar.
- Does the ADS5474IPFPR have an internal reference generator?
Yes, the ADS5474IPFPR has an internal reference generator to simplify system design.
- Is the ADS5474IPFPR pin-compatible with other ADCs in the family?
Yes, the ADS5474IPFPR is pin-similar and compatible with 12-, 13-, and 14-bit family members such as ADS5463, ADS5440, and ADS5444.
- What is the SNR and SFDR of the ADS5474IPFPR at 230 MHz and 400 MSPS?
The SNR is 69.8 dBFS and the SFDR is 80 dBc at 230 MHz and 400 MSPS.
