SAR ADC IP Portfolio

Overview

Cutting-edge semiconductor innovation with CSEM

Our expertise in Analog-to-Digital Converter (ADC) technology spans process nodes from 22 nm to 180 nm, including TSMC and Global Foundry designs. Engineered for precision, efficiency, and reliability, our IP portfolio is trusted clients, industry leaders, and foundries worldwide. Whether you are looking for tailored optimizations, our customizable IPs ensure seamless integration into your next-generation developments.

Portfolio overview

Feature	Description
CMOS processes	Available from 22 nm to 180 nm (TSMC and GF)
Effective Number of Bits (ENOB)	Available from 8 b to 14 b
Sampling rate	Up to 100 MS/s
Operating temperature range	-40°C to 85°C
Designs	Silicon-proven designs
Architecture	Highly digital, enabling power vs sample rate scaling
Integrated solution	Built-in references and biasing
Signal bandwidth	Up to 50 MHz

ADC specifications

Process node	Signal bandwidth	ENOB	Power supply Ana / IO [V]	Power cons. [mW]	Area [mm2]
22	40 MHz	10	1 / 0.8	0.8	0.1
22	24 MHz	8	0.9	0.29	0.06
22	5.0 MHz	12	1/0.8	0.8	0.1
22	1.25 MHz	13.5	1/0.8	0.8	0.1
55	500 KHz	10.2	1.8/1.2	0.1	0.175
55	400 KHz	10.8	0.9	0.025	0.27
130	1.0 MHz	9	1.5	0.435	0.16
180	1.0 MHz	9.2	1.8	0.27	0.086
180	400 KHz	10	1.8	0.135	0.012
180	2 MHz	8.8	1.8	0.18	0.066

Key Features

Standard process (no analog option)
0.5 V Digital & 0.9 V analog supplies
12-bit SAR-based
Differential input signal range: 1.8 Vdiffpp
Sampling rate from 100 KS/s up to 1 MS/s
Power consumption scaling with frequency
Internal biasing system
Static performance: DNL < ±0.9 LSB; INL < ±1.5 LSB
Dynamic performance @ 1 MS/s: 66dB SNR at fin=100KHz; -72dB THD at fin=100 KHz
Ultra-low-power dissipation: only 25 uW excluding references
Compact die area: only 0.15 mm2 excluding references
Operating temperature range: - 40°C- 85°C
Power down current: < 10 nA typ

Benefits

High Accuracy: Our advanced design techniques that minimize noise and distortion, ensuring a precise digital representation of your analog signals.
Ultra-low-power consumption: Optimized for energy efficiency, our SAR ADCs reduce power consumption, extending battery life in portable and IoT applications.
Fast conversion rates: Engineered to handle high-speed signals with precision, delivering reliable performance in time-sensitive applications.
Customizable solutions: Whether for consumer electronics, automotive, or industrial use, our IPs can be tailored to meet your exact specifications.

Applications

Low latency industrial designs
High bandwidth communication
CMOS imagers
Low latency industrial designs

Technical Specifications

Foundry, Node

GF 22FDX, UMC 55nm, USJC 55nm

Maturity

Silicon-proven

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