The ADS5474 device is a 14-bit, 400-MSPS analog-to-digital converter (ADC) that operates from both a 5-V supply and 3.3-V supply while providing LVDS-compatible digital outputs. This ADC is one of a family of 12-, 13-, and 14-bit ADCs that operate from 210 MSPS to 500 MSPS. The ADS5474 device has an input buffer that isolates the internal switching of the onboard track and hold (T&H) from disturbing the signal source while providing a high-impedance input. An internal reference generator is also provided to simplify the system design.
Designed with a 1.4-GHz input bandwidth for the conversion of wide-bandwidth signals that exceed 400 MHz of input frequency at 400 MSPS, the ADS5474 device has outstanding low-noise performance and spurious-free dynamic range over a large input frequency range.
The ADS5474 device is available in an TQFP-80 PowerPAD package. The device is built on Texas Instruments complementary bipolar process (BiCom3) and is specified over the full industrial temperature range (–40°C to +85°C).
| Sample rate (max) (Msps) | 400 |
| Resolution (Bits) | 14 |
| Number of input channels | 1 |
| Interface type | Parallel LVDS |
| Analog input BW (MHz) | 1440 |
| Features | High Performance |
| Rating | Catalog |
| Peak-to-peak input voltage range (V) | 2.2 |
| Power consumption (typ) (mW) | 2500 |
| Architecture | Pipeline |
| SNR (dB) | 70.3 |
| ENOB (bit) | 11.2 |
| SFDR (dB) | 95 |
| Operating temperature range (°C) | -40 to 85 |
| Input buffer | Yes |
| HTQFP (PFP) | 80 | 196 mm² 14 x 14 |
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