參數(shù)資料
型號(hào)： QT320-IS
廠商： Electronic Theatre Controls, Inc.
英文描述： 2 CHANNEL PROGAMMABLE ADVANCED SENSOR IC
中文描述： 2頻道PROGAMMABLE先進(jìn)傳感器IC
文件頁(yè)數(shù)： 12/18頁(yè)
文件大?。?/td> 960K
代理商： QT320-IS
TABLE 4-1 SETUPS SUMMARY CHART
Sleep
1 - 255
Counts
Burst rep interval = Tbs = SC x Ti
1 (~47ms Tbs
@ 3V)
No Sleep
0
SC
Sleep Cycles
Tpdc = (PDC + 1) x Tbs (note2)
SC > 0
Off
255
Seconds / bit
change
Tpdc = (PDC + 1) x 16 x Tbs (note1)
SC = 0
100 (~4.36s/bit
@ 3V)
On
0 - 254
PDC
Positive Drift
Compensation
Tndc = (NDC + 1) x Tbs (note2)
SC > 0
Off
255
Seconds / bit
change
Tndc = (NDC + 1) x 16 x Tbs (note1)
SC = 0
2 (~0.13s/bit
@ 3V)
On
0 - 254
NDC
Negative Drift
Compensation
Fast
1
-
-
-
-
1
Slow
0
DIS
DI Speed
Features
Common
To Both
Channels
Toggle
2
Active High
1
-
-
-
Requires pullup resistor on OUT2
0
Active Low
0
OUT2
Output Mode
Tmod = (MOD2 +1) x 16 x Tbs (note2)
SC > 0
Infinite
255
Seconds
Tmod = (MOD2 + 1) x 256 x Tbs (note1)
SC = 0
14 (~10s at 3V)
Finite
0 - 254
MOD2
Max-On Duration
Value taken from DIAT2 but truncated to 6
6
-
1 - 6
DIBT2
Det Integrator B
Burst Cycles
Higher = longer to detect, more noise immune
10
-
1 - 256
DIAT2
Det Integrator A
Counts
Higher = more hysteresis
2
-
0 - 16
HYS2
Hysteresis
Counts
Higher = less sensitive
6
-
1 - 16
THR2
Threshold
Channel 2
Specific
Toggle
2
Active High
1
-
-
-
Requires pullup resistor on OUT1
0
Active Low
0
OUT1
Output Mode
Tmod = (MOD1 + 1) x 16 x Tbs (note2)
SC > 0
Infinite
255
Seconds
Tmod = (MOD1 + 1) x 256 x Tbs (note1)
SC = 0
14 (~10s at 3V)
Finite
0 - 254
MOD1
Max-On Duration
Value taken from DIAT1 but truncated to 6
6
-
1 - 6
DIBT1
Det Integrator B
Burst Cycles
Higher = longer to detect, more noise immune
10
-
1 - 256
DIAT1
Det Integrator A
Counts
Higher = more hysteresis
2
-
0 - 16
HYS1
Hysteresis
Counts
Higher = less sensitive
6
-
1 - 16
THR1
Threshold
Channel 1
Specific
Unit
Calculation / Notes
Default
Valid Values
Symbol
Description
Note 1: Tbs is the combined (summed) burst duration of Channel1 and Channel2 (Tbd).
Note 2: Tbs is variable with the voltage, see figure 5-7. If Tbd is longer than 10ms,Tbs is Tbd plus the sleep time find on figure 5-7.
Note 5: The sleep period time is find on figure 5-7(equivalent at 1 sleep period).
l
Q
12
QT320/R1.03 08/02
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