参数资料
型号: TC253SPD-B0
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, CDIP22
封装: 1.78 MM PITCH, WINDOWED, CERAMIC, DIP-22
文件页数: 12/23页
文件大小: 363K
代理商: TC253SPD-B0
TC253SPDB0
680 × 500 PIXEL IMPACTRON CCD IMAGE SENSOR
JULY 2003 SOCS084
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
The image-sensing area of the TC253SPD-B0 is configured into 500 lines with 680 pixels in each line.
Twenty-four pixels are reserved in each line for dark reference. The blooming protection is based on an
advanced lateral overflow drain concept that does not reduce NIR response. The sensor can be operated in
the interlaced or progressive scan modes and can capture a full 340,000 pixels in one image field. The frame
transfer from the image sensing area to the memory area is accomplished at a very high rate that minimizes
image smear. The electronic exposure control is achieved by clearing unwanted charge from the image area
using a short positive pulse applied to the antiblooming drain. This marks the beginning of the integration time,
which can be arbitrarily shortened from its nominal length. After the charge is integrated and stored in memory,
it becomes available for readout in the next cycle. This is accomplished using a unique serial register design
that includes special charge multiplication pixels.
The TC253SPD-B0 sensor is built using TI-proprietary advanced split-gate virtual-phase CCD (SGVPCCD)
technology, which provides devices with wide spectral response, high quantum efficiency (QE), low dark
current, and high response uniformity. The TC253SPD-B0 sensors are characterized for operation from –10
°C
to 45
°C.
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