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VSP1900 数据表(PDF) 8 Page - Texas Instruments |
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VSP1900 数据表(HTML) 8 Page - Texas Instruments |
8 / 12 page SUBN SUB 100 ∼ 1000 pF TG VSP1900 SUB V#N V# V# CH#N CH# V# CCD CCD Drain Bias SUB 1 M Ω VSP1900 SLES062A – MARCH 2003 – REVISED JUNE 2012 www.ti.com DESCRIPTION The VSP1900 is a CCD vertical clock driver with electric shutter. The VSP1900 is composed of five 3-state and three 2-state vertical transfer channels, which support both 3 field and 2 field CCD operation. The VSP1900 contributes low power consumption and parts number reduction in the system. OPERATION Power On/Off Sequence This is the same as the CCD power up sequence, when power on, VDD powers on first VH, VM powers on second, and VL powers on later. When powering off, VL powers off first, VH, VM powers off second, and VDD powers off later. Vertical Transfer Signal The VSP1900 receives signals from TG (CCD timing generator). The input signal is converted into the operating voltage levels of the CCD by the level shifter. The level shifter circuits connect to a 2-state or 3-state driver, which is connected to the CCD input pin. While using a 2-field CCD, one of the 3-state drivers is used as a 2- state driver. The CH#N pin is pulled up internally, so that the VH level does not appear on the output pin. Figure 2. VSP1900 Circuit Application Spacer REVISION HISTORY Changes from Original (March 2003) to Revision A Page • Changed the last sentence of the Description From: "part number reduction in the system." To: " device count reduction in the system. ........................................................................................................................................................ 1 • Deleted the Tape and reel option from the Ordering Information Table ............................................................................... 2 • Changed the Package temperature value From 2.35°C to 260°C ....................................................................................... 2 • Added Table Note " Specified by Design" to the MIN and MAX columns of the ELECTRICAL CHARACTERISTICS and SWITCHING CHARACTERISTICS. .............................................................................................................................. 3 • Changed the Truth Table ...................................................................................................................................................... 6 8 Copyright © 2003–2012, Texas Instruments Incorporated |
类似零件编号 - VSP1900 |
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类似说明 - VSP1900 |
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