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AS2533RW 数据表(PDF) 16 Page - ams AG

部件名 AS2533RW
功能描述  Multi-Standard CMOS Telephone IC for Basic Telephones
PDF  25 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS2533RW 数据表(HTML) 16 Page - ams AG

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Data Sheet AS2533-36
austriamicrosystems
AC Characteristics (cont´d) (ILINE = 15 mA; f = 800 Hz unless otherwise specified)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Keyboard
tD
Key Debounce Time
15
ms
HS/DPN Input
tHS-L
Low to High Debounce
Going off-hook
15
ms
tHS-H
High to Low Debounce
Not LD dialing
210
ms
During LD dialing
270
ms
DTMF
F
Frequency deviation
TAMB = 25°C, Note 5
B
1.2
%
VMF
MF Tone Level (Low group)
MFL = AGND, TAMB = 25°C
B
- 2.5
- 4
- 5.5
dB
VMF
MF Tone Level (Low group)
MFL Range = VSS … AGND,
TAMB = 25°C
B
-16…-4
dB
ΔVL-H
Preemphasis Low to High
TAMB = 25°C,
B
1.8
2.4
3.0
dB
VUFC
Unwanted F. Components
300 Hz...5 kHz
- 40
dBm
Note 3; MFL = VSS
5 kHz...14 kHz
- 50
dBm
14 kHz...28.5 kHz
- 70
dBm
28.5 kHz...40 kHz
- 80
dBm
tTD
Tone Duration
Note 1&6; Mode=row 6 or 7
80
82.3
85
ms
tITP
Inter Tone Pause
Note1; Mode=row 6
80
82.3
85
ms
tITP
Inter Tone Pause
Note 1 & 6; Mode=row 7
150
165
170
ms
tTR
Tone Rise Time
Note 2
5
ms
tTF
Tone Fall Time
Note 2
5
ms
LD
tDR
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
tM/
Make Period
Mode = row 2
38
40.8
42
ms
tM/
Make Period
Mode = row 4
19
20.4
21
ms
tM/
Make Period
Mode = row 1 or 5
31.5
33
34.5
ms
tM/
Make Period
Mode = row 3
15.7
16.5
17.3
ms
tPDP
Pre-Digit Pause
35
ms
tIDP
Inter Digit Pause
Mode = row 1, 2, 3, 4 or 5
fosc = 3.58 MHz
780
790
800
ms
tHS-H
High to Low Debounce
During LD dialing
270
ms
tMO
Mute Overhang
tM
Revision 8.8
Page 16 of 25



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