SIDECAR low-power control ASIC for focal plane arrays including A/D conversion and bias generation
SIDECAR low-power control ASIC for focal plane arrays including A/D conversion and bias generation
复制标题
用于焦平面阵列的 SIDECAR 低功耗控制 ASIC，包括 A/D 转换和偏置生成
DOI：
10.1117/12.462601
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发表时间：
2003
影响因子：
3.3
通讯作者：
I. Ovsiannikov
中科院分区：
文献类型：
--
作者：
M. Loose;L. Lewyn;Hakan Durmus;J. Garnett;D. Hall;A. Joshi;L. Kozlowski;I. Ovsiannikov
大型二维成像阵列（涵盖红外焦平面阵列和可见光 CCD）通常需要大量支持电子设备。我们提出了一种专用集成电路 (ASIC)，它在单个芯片上结合了操作基于 CMOS 的焦平面阵列并提供 12 至 16 位数字数据所需的所有功能。与外部世界的接口是完全数字化的，从而消除了处理敏感模拟电压的复杂性。该 ASIC 的第一个应用是与 HAWAII-2RG（专门针对下一代太空望远镜优化的 2048 x 2048 多路复用器）一起使用。由于其灵活性，它可以控制不需要高于 3.3 V 的时钟或偏置的其他 FPA 和 SCA。低功耗片上系统控制器包括 16 位微控制器、程序和数据存储器、时钟发生器、偏置发生器、36 个可编程增益放大器（0 至 27 dB）、36 个 12 位 10 MHz A/D 转换器、36 个 16 位 500 kHz A/D 转换器、粘合逻辑和可编程 I/O 焊盘。当配置为 NGST 时，我们估计 2k x 2k FPA 和 ASIC 的连续功率≤ 8.4 mW。可编程 ASIC，称为 SIDECAR，用于图像数字化、增强、控制和检索系统，可能是其他高性能仪器的最佳“后端”解决方案。
Large two-dimensional imaging arrays, spanning infrared focal plane arrays through visible CCDs, usually require extensive support electronics. We present an application specific integrated circuit (ASIC) that combines, on a single chip, all necessary functions to operate CMOS-based focal plane arrays and provide digital data from 12 to 16 bits. The interface to the external world is completely digital, thus eliminating the complexity of dealing with sensitive analog voltages. The ASIC's first application is for use with the HAWAII-2RG (a 2048 x 2048 multiplexer specifically optimized for the Next Generation Space Telescope). Due to its flexibility, it can control other FPAs and SCAs not requiring clocks or biases higher than 3.3 V. The low-power, system-on-chip controller comprises a 16-bit microcontroller, program and data memory, clock generator, bias generator, 36 programmable gain amplifiers (0 to 27 dB), thirty-six 12-bit 10 MHz A/D converters, thirty-six 16-bit 500 kHz A/D converters, glue logic and programmable I/O pads. When configured for NGST, we estimate ≤ 8.4 mW continuous power for the 2k x 2k FPA and ASIC. The programmable ASIC, dubbed SIDECAR, for System for Image Digitization, Enhancement, Control And Retrieval, is likely an optimum "back-end" solution for other high-performance instruments.