ADS5474-SP - 14-Bit, 400-MSPS Analog-to-Digital Converter (ADC)

The ADS5474 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-, 14-bit ADCs that operate from 210 MSPS to 500 MSPS. The ADS5474 input buffer 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 has outstanding low noise performance and spurious-free dynamic range over a large input frequency range.

The ADS5474 is available in an 84-pin ceramic nonconductive tie-bar package (HFG). The device is built on Texas Instruments complementary bipolar process (BiCom3) and is specified over the full military temperature range (–55°C to +125°C T_case).

• 400 MSPS Sample Rate
• 14 Bit Resolution, 10.9 Bits Effective Number of
  Bits (ENOB)
• 5962R13208:
  • Radiation Hardness Assurance (RHA) up to
    TID 100 krad (Si)
  • Total Ionizing Dose 100 krad (Si)
  • ELDRS free 100 krad (Si)
  • SEL/SEU characterized
• 1.28 GHz Input Bandwidth
• SFDR = 78 dBc at 230 MHz and 400 MSPS
• SNR = 69.8 dBFS at 230 MHz and 400 MSPS
• 2.2 V_PP Differential Input Voltage
• LVDS-Compatible Outputs
• Total Power Dissipation: 2.5 W
• Power Down Mode: 50 mW
• Offset Binary Output Format
• Output Data Transitions on the Rising and Falling Edges
  of a Half-Rate Output Clock
• On-Chip Analog Buffer, Track-and-Hold, and Reference
  Circuit
• Available in a 84-Pin Ceramic Nonconductive Tie-Bar
  Package (HFG)
• Military Temperature Range:
  –55°C to +125°C T_case
• Engineering Evaluation (/EM) Samples are Available⁽¹⁾
• Pin-Similar and Compatible With 12- and 14-Bit Family:
  ADS5463-SP and ADS5444-SP