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參數(shù)資料
| 型號(hào)： | MT88L70 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | 3 Volt Integrated DTMF Receiver(3V 集成雙音多頻信號(hào)（DTMF）接收器) |
| 中文描述： | 3伏集成雙音多頻接收器（3V的集成雙音多頻信號(hào)（DTMF）的接收器） |
| 文件頁數(shù)： | 8/15頁 |
| 文件大小： | 101K |
| 代理商： | MT88L70 |
MT88L70
4-30
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
*NOTES:
1.
2.
Used for guard-time calculation purposes only and tested at -4dBm.
These, user adjustable parameters, are not device specifications. The adjustable settings of these minimums and maximums
are recommendations based upon network requirements.
With valid tone present at input, t
PU
equals time from PDWN going low until ESt going high.
3.
AC Electrical Characteristics
- V
DD
=3.0V+20%/-10%, V
SS
=0V, -40
°
C
≤
To
≤
+85
°
C, using Test Circuit shown in Figure 6.
Characteristics
Sym
Min
Typ
Max
Units
Conditions
1
T
I
M
I
N
G
Tone present detect time
t
DP
t
DA
t
REC
t
REC
t
ID
t
DO
t
PQ
t
PStD
t
QStD
t
PTE
5
11
14
ms
Note 1
2
Tone absent detect time
0.5
4
8.5
ms
Note 1
3
Tone duration accept
40
ms
Note 2
4
Tone duration reject
20
ms
Note 2
5
Interdigit pause accept
40
ms
Note 2
6
Interdigit pause reject
20
ms
Note 2
7
O
U
T
P
U
T
S
Propagation delay (St to Q)
11
μ
s
μ
s
μ
s
TOE=V
DD
TOE=V
DD
TOE=V
DD
load of 10 k
,
50 pF
8
Propagation delay (St to StD)
20
9
Output data set up (Q to StD)
5.0
10
Propagation delay (TOE to Q ENABLE)
50
ns
11
Propagation delay (TOE to Q DISABLE)
t
PTD
130
ns
load of 10 k
,
50 pF
12
P
D
W
N
Power-up time
t
PU
t
PD
30
ms
Note 3
13
Power-down time
20
ms
14
C
L
O
C
K
Crystal/clock frequency
f
C
3.5759 3.5795 3.5831
MHz
15
Clock input rise time
t
LHCL
t
HLCL
DC
CL
C
LO
110
ns
Ext. clock
16
Clock input fall time
110
ns
Ext. clock
17
Clock input duty cycle
40
50
60
%
Ext. clock
18
Capacitive load (OSC2)
15
pF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT88L70AC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:3 Volt Integrated DTMF Receiver |
| MT88L70AE | 制造商:Microsemi Corporation 功能描述: |
| MT88L70AE1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 3.58MHZ CMOS 3V 18PDIP - Rail/Tube |
| MT88L70AN | 制造商:Microsemi Corporation 功能描述: |
| MT88L70AN1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 3.58MHZ CMOS 3V 20SSOP - Rail/Tube 制造商:Microsemi Corporation 功能描述:IC 3V INTEGRATED DTMF RCVR |
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