Dual 12-Bit 20 to 200MS/s 1.2V ADC, CMOS 90nm

Overview

The nSAD_TS90GP_1V2_AD2x12b200M is a dual 200MS/s, 11 ENOB, dual pipeline AD converter designed on the TSMC 90 GP technology. Built around a fully-differential pipeline converter and a digital error correction circuitry, it consumes 140mW on silicon, reaching an energy efficiency of 340fJ/conversion-step. A low noise input buffer is provided for easier interfacing with your analog/RF front-end.

Key Features

  • TSMC 90nm general purpose 1.2V CMOS process
  • Single 1.2V supply
  • 20 to 200 Mspls/s scalable sampling rate
  • 0.5 Vp_diff input dynamic range
  • Up to 100MHz input buffer signal bandwidth
  • DNL = ±0.5 LSB typ., INL = ±1 LSB typ.
  • SNR = 68dBFS @ Fin = 10MHz and 200MS/s
  • SFDR > 72dBc @ Fin = 10MHz and 200MS/s
  • Fully internal reference voltage generator and bias circuitry. No external decoupling needed.
  • Proprietary architecture enhancements allowing very high conversion efficiency
  • less than 1.3 mm2 core area including two input buffers, the reference generator, biasing and internal decoupling
  • Power down mode

Block Diagram

Dual 12-Bit 20 to 200MS/s 1.2V ADC, CMOS 90nm Block Diagram

Technical Specifications

Foundry, Node
TSMC 90nm GP
Maturity
In design
TSMC
Pre-Silicon: 90nm LP
UMC
Pre-Silicon: 90nm G
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Semiconductor IP