Design and Simulation of a 6-Bit Successive-Approximation ADC Using Modeled Organic Thin-Film Transistors

Table 2

Performance summary of current organic ADCs.

Specification	[12]	[14]	[18]	[19]	This work
Organic semiconductor material	Pentacene (only P-type)	Pentacene (only P-type)	DNTT; F16CuPc; SAM	PEN foil; SAM	Pentacene and fullerene
Structure	Delta-sigma	VCO-based	SAR C-2C	SAR R-2R	C-SAR
Supply power [V]	15	20	3	40	10
Resolution [bit]	5	10	6	4	6
ENOB [bit]	4.69^†	6	N/A	2.96	5.05
SNR [dB]	30^†	48	N/A	19.6	32.17
Sampling frequency [Hz]	500	<40	100	4.17	2000
Power consumption [μW]	1500^‡	480	3.6	540	883.7

Excluding circuits on FPGA.
Simulated and measured results. ^†Simulation data with Spice level 1. ^‡Measured data.
Measured results.
Simulation results with Spice level 61.