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AS2533 数据表(PDF) 21 Page - ams AG

部件名 AS2533
功能描述  Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping
PDF  25 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS2533 数据表(HTML) 21 Page - ams AG

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21
Rev. 7
July 1998
Data Sheet
AS2533...6
AC Characteristics (cont´d) (I
LINE = 15 mA; f = 800 Hz unless otherwise specified)
Symbol
Parameter
Conditions
Min
Typ
M a x
Units
Keyboard
t
D
Key Debounce Time
15
ms
HS/DPN Input
t
HS-L
Low to High Debounce
Going off-hook
15
ms
t
HS-H
High to Low Debounce
Not LD dialling
210
ms
During LD dialling
270
ms
DTMF
F
Frequency deviation
Note 5
1.2
%
V
MF
MF Tone Level (Low group) MFL = A
GND
- 2.5
- 4
- 5.5
dB
MFL = V
SS
- 14.5
- 16
- 17.5
dB
∆V
L-H
Preemphasis Low to High
1.8
2.4
3.0
dB
V
UFC
Unwanted F. Componets
300 Hz...5 kHz
-40
dBm
Note 3; MFL = V
SS
5 kHz...14 kHz
-50
dBm
14 kHz...28.5 kHz
-70
dBm
28.5 kHz...40 kHz
-80
dBm
t
TD
Tone Duration
Note 1&6; Mode=row 6 or 7
80
82.3
85
ms
t
ITP
Inter Tone Pause
Note1; Mode=row 6
80
82.3
85
ms
t
ITP
Inter Tone Pause
Note 1 & 6; Mode=row 7
150
165
170
ms
t
TR
Tone Rise Time
Note 2
5
ms
t
TF
Tone Fall Time
Note 2
5
ms
LD
t
DR
Dial Rate
Mode = row 1, 2 or 5
9.53
10
10.5
pps
Mode = row 3 or 4
19.05
20
21
pps
t
/B
Break Period
Mode = row 2
57
61.2
63
ms
t
/B
Break Period
Mode = row 4
28.5
30.6
31.5
ms
t
/B
Break Period
Mode = row 1 or 5
63
66
69
ms
t
/B
Break Period
Mode = row 3
31.5
33
34.5
ms
t
M/
Make Period
Mode = row 2
38
40.8
42
ms
t
M/
Make Period
Mode = row 4
19
20.4
21
ms
t
M/
Make Period
Mode = row 1 or 5
31.5
33
34.5
ms
t
M/
Make Period
Mode = row 3
15.7
16.5
17.3
ms
t
PDP
Pre-Digit Pause
35
ms
t
IDP
Inter Digit Pause
Mode = row 1, 2, 3, 4 or 5
800
840
880
ms
t
HS-H
High to Low Debounce
During LD dialling
270
ms
t
MO
Mute Overhang
t
M



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