14-bit 475MS/s High-Speed SAR ADC

Features

• TSMC 28nm HPC+ Process
• No Process Analog Options
• 0.9V Core & 1.8V I/O Supplies
• 14-bit High-Speed SAR ADC
• Throughput Rate up to Fs=475MS/s
• Power Scales with Throughput Rate
• Clock Frequency Fclk=3xFs
• Internal Bandgap and Biasing System Included
• All required Voltage References Included
• No External Accurate Reference required
• No External Reference Decoupling required
• Good Power-Supply Noise Rejection
• Differential Input Signal Range: 1.0Vppdiff
• Outstanding Dynamic Performance:
• -78.0dB THD
• 212MHz Signal/Noise Bandwidth:
• 68.0dB SNDR
• 11.0-bit ENOB
• 55.0dB MTPR (PAPR=17dB)
• 106MHz Signal/Noise Bandwidth:
• 70.4dB SNDR
• 11.4-bit ENOB
• 57.0dB MTPR (PAPR=17dB)
• Idle and Power-Down Modes
• Ultra Low Power Dissipation: Only 77mW
• (complete ADC at 475MS/s incl. References)
• Ultra Compact Die Area: Only 0.33mm2

Benefits

• This high-end performance is obtained with an ultra compact die area of 0.33mm2 and dissipating a mere 77mW for the complete ADC working at 475MS/s, including internal references.
• The power consumption scales down with frequency and built-in programmability allows optimized configuration for multiple communication protocols.
• The S3ADS475M14BT28 does not require any special analog options, and can be cost-effectively ported across foundries and process nodes upon request.

Deliverables

• Datasheet
• Characterization Report
• Flat Netlist (cdl)
• Layout View (gds2)
• Abstract View (lef)
• Timing View (lib)
• Behavioral Model (Verilog)
• Integration Support

Applications

• Next Generation DSL
• G.Fast
• VDSL2
• ADSL2
• Wireless Communications Infrastructure
• Imaging

Block Diagram of the 14-bit 475MS/s High-Speed SAR ADC

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