參數(shù)資料
型號： 7805ALPRPFS
廠商： MAXWELL TECHNOLOGIES
元件分類： ADC
英文描述： 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, DFP28
封裝： RAD-PAK, LDFP-28
文件頁數(shù)： 33/34頁
文件大?。?/td> 605K
代理商： 7805ALPRPFS
Memory
PRELIMINARY
8
All data sheets are subject to change without notice
2001 Maxwell Technologies
All rights reserved.
16-Bit Latchup Protected ADC
7805ALP
12.19.01 Rev 6
1000583
FIGURE 2. USING CS TO CONTROL CONVERSION AND READ TIMING
LPT Operation
Latchup Protection Technology (LPT) automatically detects an increase in the supply current of the 7805ALP con-
verter due to a single event effect and internally cycles the power to the converter off, then on, which restores the
steady state operation of the device. A simplified block diagram of the 7805ALP circuitry is shown in Figure 1. The cir-
cuitry consists of a protected device, the ADS7805 die, a current sensor, a power switch, and a status output driver.
FIGURE 3. LATCHUP PROTECTION DIAGRAM
VS
I/Os
POWER
SWITCH
PROTECTED
DEVICE
STATUS
OUTPUT
DECPLNG
VDIG
VANA
BYTE
ADS7805
7805ALPRP
DGND
AGND2
AGND1
CURRENT
SENSOR
STATUS
DRIVER
相關(guān)PDF資料
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