Readout architectures for uncooled IR detector arrays

被引：24
|
作者：
Jakonis, D [1 ]
Svensson, C
Jansson, C
机构：
[1] Linkoping Univ, Dept Phys & Measurement Technol, Div Elect Devices, S-53183 Linkoping, Sweden
[2] Ericsson Components AB, Microelect Res Ctr, S-16481 Stockholm, Sweden
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2000年 / 84卷 / 03期
关键词：
bolometer; CMOS; design optimization; focal plane array; IR detection; self-heating effect;
D O I：
10.1016/S0924-4247(00)00313-7
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The main idea of this paper is to compare the readout architectures for uncooled microbolometer focal plane detector arrays with respect to the detector and readout circuit noise. The comparison is done keeping the total power consumption of all architectures constant. Three CMOS readout architectures with different degree of parallelism are described in this paper: pixelwise, columnwise and serial. The noise model of the readout circuit is given. Also, the optimization for the lowest NETD (noise equivalent temperature difference) and estimation of the self-heating effect is presented. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：220 / 229
页数：10
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