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參數(shù)資料
| 型號： | MT8885 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Integrated DTMF Transceiver with Power Down and Adaptive Micro Interface(雙音多頻信號（DTMF）收發(fā)器（帶電源關(guān)閉和自適應(yīng)微接口）) |
| 中文描述： | 集成雙音多頻收發(fā)器的斷電和自適應(yīng)微型接口（雙音多頻信號（DTMF）的收發(fā)器（帶電源關(guān)閉和自適應(yīng)微接口）） |
| 文件頁數(shù)： | 16/25頁 |
| 文件大小： | 190K |
| 代理商： | MT8885 |
MT8885
Preliminary Information
4-66
Characteristics are over recommended operating conditions unless otherwise stated
Typical figures are at 25
°
C, V
DD
=5V, and for design aid only: not guaranteed and not subject to production testing
Timing is over recommended temperature & power supply voltages.
Typical figures are at 25
°
C and for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics
- Call Progress -
Voltages are with respect to ground (V
SS
), unless otherwise stated.
Characteristics
Sym
Min
Typ
Max
Units
Conditions
1
Accept Bandwidth
f
A
320
500
Hz
@ -25 dBm
Note 9
2
Lower freq. (REJECT)
f
LR
290
Hz
@ -25 dBm
Note 9
3
Upper freq. (REJECT)
f
HR
540
Hz
@ -25 dBm
Note 9
4
Call progress tone detect level (total
power)
-30
dBm
AC Electrical Characteristics
- Voltages are with respect to ground (V
SS
), unless otherwise stated.
Characteristics
Sym
Min
Typ
Max
Units
Conditions
1
T
O
N
E
I
N
Tone present detect time
t
DP
t
DA
t
PStb3
t
PStRX
4
11
14
ms
Note 11
2
Tone absent detect time
0.5
4
8.5
ms
μ
s
μ
s
Note 11
3
Delay St to b3
20
Figure 7, Note 9
4
Delay St to RX
0
-RX
3
11
Figure 7, Note 9
5
T
O
N
E
O
U
T
Tone burst duration
t
BST
t
PS
t
BSTE
t
PSE
V
HOUT
V
LOUT
dB
P
THD
50
52
ms
DTMF mode
6
Tone pause duration
50
52
ms
DTMF mode
7
Tone burst duration (extended)
100
104
ms
Call Progress mode
8
Tone pause duration (extended)
100
104
ms
Call Progress mode
R
LT
=10k
R
LT
=10k
R
LT
=10k
25 kHz Bandwidth
R
LT
=10k
,
Note 9
f
C
=3.579545 MHz
Note 9
9
High group output level
-6.1
-2.1
dBm
10
Low group output level
-8.1
-4.1
dBm
11
Pre-emphasis
2
3
dB
12
Output distortion (Single Tone)
-35
dB
13
14
Frequency deviation
f
D
R
LT
f
C
t
CLRF
DC
CL
C
LO
t
OST
±
0.7
±
1.5
50
%
k
MHz
15
Output load resistance
10
16
X
T
A
L
Crystal/clock frequency
3.5759
3.5795
3.5831
Note 9
17
Clock input rise and fall time
110
ns
Ext. clock, Note 9
18
Clock input duty cycle
40
50
60
%
Ext. clock, Note 9
19
OSC2 load capacitance
30
pF
20
Oscillator start-up time
10
ms
Note 9
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| MT8888CN-1 | CB 3C 3#16S SKT RECP WALL |
| MT8888CS-1 | Integrated DTMFTransceiver with Intel Micro Interface |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8885AE | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface |
| MT8885AE1 | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 24PDIP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX DTMF 20PDIP 制造商:Microsemi Corporation 功能描述:IC TXRX DTMF 20PDIP |
| MT8885AN | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 24SSOP - Rail/Tube |
| MT8885AN1 | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 24SSOP - Rail/Tube |
| MT8885ANR | 制造商:Microsemi Corporation 功能描述: |
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