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參數(shù)資料
| 型號(hào)： | MK53761N00 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | REPERTORY DIALER |
| 中文描述： | 劇目撥號(hào)器 |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大?。?/td> | 199K |
| 代理商： | MK53761N00 |
AC CHARACTERISTICS – TONE MODE
N
°
Symbol
T
NK
Parameter
Min.
Typ.
Max.
– 80
– 11
218
2.6
Unit
dBm
dBm
mV
rms
dB
V
Notes
1
1, 2
3
Tone Output no Key Down
T
Oi
PE
i
DC
i
Tone Output (independent)
Pre-emphasis, High Band
Tone Output DC Bias
V + = 2.5
V + = 3.5
Tone Output Load
Tone Output Rise Time
Output Distortion
Tone Signaling Rate
Pre-signal Delay
Inter-signal Delay (repertory)
Tone Output Duration (repertory)
– 13
173
1.4
– 12
194
2.0
1.25
1.5
10
1.0
5.0
8.0
R
E
T
RIS
DIS
TR
T
PSD
T
ISD
T
DUR
k
ms
%
1/sec
ms
ms
ms
4
5
3
8.0
1
2
40
6
54
74
Notes :
1. O dBmequals 1mW power into 600
or775 mVolts.Important note : the MK53761 is designed todrive a 10 k
load.The 600
load is only forreference.
2. Single tone(low group), as measured at pin10, T
A
= 25
°
C.
3. Supply voltage = 2.5V; R
E
= 10 k
.
T
Oi
increases typically of 10mVrms with V
S
= 6V.
4. Supply voltage = 2.5 volts.
5. Time frombeginning oftoneoutput waveform to90 %offinal magnitudeofeitherfrequency. Crystal parameters suggested forproper
operation areR
s
< 100
, L
m
= 96 mH, C
m
=0.02 pF, C
h
= 5 pF, f = 3.579545 MHz, and C
L
= 18 pF.
6. Time frominitialkey input untilbeginnig of signaling.
AC CHARACTERISTICS – KEYPAD INPUTS, PACIFIER TONE
(numbers in left hand column refer to the timing diagrams.)
N
°
3
Symbol
T
KD
F
KS
F
PT
T
PT
T
HFP
Parameter
Min.
Typ.
32
250
500
30
560
Max.
Unit
ms
Hz
Hz
ms
ms
Notes
1
1
1
1
1
Keypad Debounce Time
Keypad Scan Frequency
Frequency Pacifier Tone
Pacifier Tone Duration
Hookflash Timing
4
AC CHARACTERISTICS – PULSE MODE OPERATION
N
°
Symbol
P
R
PDP
IDP
T
MO
T
B
T
M
Parameter
Min.
Typ.
10
48
740
2
60
40
Max.
Unit
PPS
ms
ms
ms
ms
ms
Notes
1
2
2
2
2
2
Pulse Rate
Predigital Pause
Interdigital Pause
Mute Overlap Time
Break Time
Make Time
5
6
7
8
9
Notes :
1. 10 PPSis the nominal rate.
2. Figure 8 illustratesthis relationship.
ELECTRICAL CHARACTERISTICS
(continued)
Note :
1.
Crystaloscillator accuracy directly affects these times
MK53761
8/11
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