[1] [1] SRIVASTAVA A, ANANTHA R R. A programmable oversampling sigma-delta analog-to-digital converter ［C］//48th Midwest Symp Circ & Syst. Covington, KY, USA. 2005: 539-542.

[2] [2] MONDAL A, BHAR S, SRIMANI S, et al. Analytical model of a multi-resolution sample rate re-configurable decimator for SDADC ［C］//IEEE Region 10 Symp. Kolkata, India. 2019: 588-592.

[3] [3] GRAYVER E, DANESHRAD B. Low power, area efficient programmable filter and variable rate decimator ［C］//IEEE ISCAS. Geneva, Switzerland, 2000: 341-344.

[4] [4] KATES J M. Digital hearing aids ［M］. Oxford: Plural Pub, 2008.

[5] [5] GATA D G, SJURSEN W, HOCHSCHILD J R, et al. A 1.1-V 270-μA mixed-signal hearing aid chip ［J］. IEEE J Sol Sta Circ, 2002, 37(12): 1670-1678.