參數(shù)資料
型號(hào)： MT3371BSR
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 信令電路
英文描述： Wide Dynamic Range DTMF Receiver
中文描述： TELECOM, DTMF SIGNALING CIRCUIT, PDSO18
封裝： 0.300 INCH, MS-013AB, SOIC-18
文件頁數(shù)： 9/15頁
文件大小： 485K
代理商： MT3371BSR
MT3170B/71B, MT3270B/71B, MT3370B/71B
Data Sheet
9
Zarlink Semiconductor Inc.
AC Electrical Characteristics
- voltages are with respect to V
DD
=5V
±
5%, V
SS
=0V and temperature -40 to +85
°
C unless otherwise
stated.
Characteristics
Sym.
Min.
Typ.
Max.
Units
Test Conditions*
1
Valid input signal level
(each tone of composite signal)
-50
2.45
0
775
dBm
mV
RMS
1,2,3,5,6,12
2
Positive twist accept
8
dB
1,2,3,4,11,12,15
3
Negative twist accept
8
dB
1,2,3,4,11,12,15
4
Frequency deviation accept
±1.5
%
± 2Hz
1,2,3,5,12
5
Frequency deviation reject
±3.5
%
1,2,3,5,12,15
6
Third tone tolerance
-16
dB
1,2,3,4,5,12
7
Noise tolerance
-12
dB
7,9,12
8
Dial tone tolerance
+15
dB
8,10,12
9
Supervisory tones detect level
(Total power)
-35
dBm
16
10
Supervisory tones reject level
-50
dBm
16
11
Energy detector attack time
t
SA
1.0
6.5
ms
16
12
Energy detector decay time
t
SD
3
25
ms
16
13a
13b
Powerdown time
Powerup time
10
30
50
ms
ms
ms
IDDQ
≤
100
μ
A
MT3170B/3370B
MT3171B/3371B
Note 14
14
Tone present detect time (ESt
logic output)
t
DP
3
13
20
ms
MT3x70B
15
Tone absent detect time (ESt
logic output)
t
DA
3
15
ms
MT3x70B
16
Tone duration accept
(DStD logic output)
t
REC
40
ms
MT3x71B
17
Tone duration reject
(DStD logic output)
t
REC
20
ms
MT3x71B
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