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參數(shù)資料
| 型號(hào)： | TS7514CP |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | PROGRAMMABLE V.23 MODEM WITH DTMF |
| 中文描述： | 可編程.23調(diào)制解調(diào)器與雙音多頻 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大?。?/td> | 170K |
| 代理商： | TS7514CP |
DCAND OPERATING CHARACTERISTICS
(continued)
Electrical characteristicsare guaranteedover the completetemperature range,with typical load unless
otherwisespecified.Typical values are given for : V
+
= +5V,V
= -5V androom temperature= 25
o
C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
RECEIVE TRANSFER - GENERAL CHARACTERISTICS
Absolute Filter Gain for :
0dB programmed
6dB programmed
12dBprogrammed
Signal Detection Level Relative to Programmed Value
Hysteresis Value
Signal Level (loop 3) at Reception Input
– 0.5
+ 5.5
+ 11.5
– 0.5
– 2
– 40
–
–
–
–
–
+ 0.5
+ 6.5
12.5
+ 0.5
–
– 33
dB
R
DS
R
HY
dB
dB
dBm
– 35
LINE MONITORING - GENERAL CHARACTERISTICS (load conditions : R
L
= 10k
, C
L
= 50pF)
A
TT
R
AT
-
FS
Absolute Gainfor 0dB Programmed
Attenuation Relative toProgrammed Value
Attenuation for Programmed Value
Buzzer Signalling Frequency
Signalling Frequency Amplitude at 0.42V
PP
Programmed
–
0
–
–
–
dB
dB
dB
Hz
V
PP
– 1
70
–
0.38
+ 1
2982
0.42
–
0.46
7
TS7514
14/19
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