參數(shù)資料
型號(hào): 75T2089-IP
廠商: TDK Corporation
英文描述: TV 22C 22#22D PIN RECP
中文描述: 雙音多頻收發(fā)器
文件頁數(shù): 6/9頁
文件大?。?/td> 75K
代理商: 75T2089-IP
75T2089/2090/2091
DTMF Transceivers
6
DTMF RECEIVER: Timing Characteristics
(Continued)
PARAMETER
CONDITIONS
MIN
NOM
MAX
UNIT
TSU1
THD1
Data Set Up Time
Data Hold Time
7
μ
s
ms
4.2
5.0
TED
ED Detect Time
75T2091 only
7
22
ms
BER
ED Release Time
Output Enable Time
75T2091 only
2
18
200
ms
ns
Output Disable Time
200
ns
DTMF GENERATOR: Electrical Characteristics
Frequency Accuracy
Output Amplitude
-1.0
+1.0
%Fo
R1 = 100
to Vn, Vp - Vn = 5.0V
Low Band
-9.2
-7.2
dBm
High Band
-6.6
-4.6
-20
dBm
dB
Output Distortion
DC to 50 kHz
DTMF GENERATOR: Timing Characteristics
TSTART
Start-Up Time
2.5
μ
s
TSU2
Data Set-Up Time
100
ns
THD2
TRP
Data Hold Time
RESET Pulse Width
50
100
ns
ns
TPW
LATCH
Pulse Width
100
ns
CALL PROGRESS DETECTOR: Electrical Characteristics (75T2090/2091 only)
Amplitude for Detection
Amplitude for No Detection
305 Hz-640 Hz
305 Hz-640 Hz
-40
0
dBm
dBm
-50
f>2200 Hz, <160 Hz
-25
dBm
Logic 0
Logic 1
0.5
V
V
Detect Output
4.5
"LIN" Input
Max. Voltage
V
DD
-10
V
DD
V
Input Impedance
500 Hz
100
k
相關(guān)PDF資料
PDF描述
75T2089 DTMF Transceivers
75T2090 DTMF Transceivers
75T2090-IP DTMF Transceivers
75T2091 DTMF Transceivers
75T2091-IH DTMF Transceivers
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