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參數(shù)資料
| 型號： | NT95089 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Tone Dialer |
| 中文描述： | 撥號音 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 309K |
| 代理商： | NT95089 |
NT95089
4
DC Electrical Characteristics (continued)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Test
CKT.
Oscillator Output
Sink Current
I
OL1
0.21
0.52
mA
VDD = 3V, V
OH
= 0.5V,
one key input
C
I
OL2
0.8
2.1
mA
VDD = 10V, V
OH
= 0.5V,
one key input
C
Input/Output
Capacitance
C1/01
12
16
pF
VDD = 3V
-
C1/02
10
14
pF
VDD = 10V
-
Note:
DIS% =
100 * (V
V
+
)
)
(V
V
2
2
2
2
2
1/2
1/2
1
2
N
IL
IH
+
+ +
1. V
1
. . . . V
n
are the intermodulations or the harmonic frequencies in the 500Hz to 3400Hz band.
2. V
IL
and V
IH
are the individual frequency components of the DTMFsignal.
AC Characteristics
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Oscillator Start up Time
T
START
2
5
ms
VDD = 3.0V - 10.0V
Tone Output Rise Time
T
R
2
5
ms
Pre-Digit Pause
T
PDP
0
0
ms
Frequency Tolerance of the Output Tones for DTMF Signaling
R/C
Spec.
Actual
Error(%)
Unit
Conditions
R1
697
699.2
+0.32
Hz
R2
770
766.27
-0.48
Hz
R3
852
847.54
-0.64
Hz
R4
941
948.09
-0.75
Hz
F
OSC
= 3.579MHZ
C1
1,209
1,216
+0.58
Hz
C2
1,336
131.8
-0.33
Hz
C3
1,477
1,472
-0.34
Hz
C4
1,633
1,645
+0.73
Hz
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