An Accurate and Fast Method for Improving ADC Nonlinearity

Table 4

Proposed method performance versus adaptive-LMS algorithm.

(Sampling frequency 1 MHz; error rate 0.1)
Sawtooth						Sine wave
LMS algorithm [17, 18]				Proposed algorithm		LMS algorithm		Proposed algorithm
Parameters		ENOB	SNR	ENOB	SNR	ENOB	SNR	ENOB	SNR
Sampling frequency	(1 MHz)	8.32	51.3	9.4	58.6	8.6	52.5	9.52	59.1
Error rate	0.1
Sampling frequency	(10 kHz)	8.6	56	9.4	58.2	8.6	56.24	9.52	59
Error rate	0.01