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參數(shù)資料
| 型號(hào)： | AM79C202 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Advanced Subscriber Line Interface Circuit |
| 中文描述： | 高級(jí)用戶線接口電路 |
| 文件頁(yè)數(shù)： | 19/48頁(yè) |
| 文件大?。?/td> | 501K |
| 代理商： | AM79C202 |
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ASLIC/ASLAC Products
19
No.
Item
Condition
Min
Typ
Max
Unit
Note
6
2- to 4-wire gain
–
10 dBm, 1 kHz
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
–
12.19
–
12.24
–
12.04
–
11.89
–
11.84
dB
7
2- to 4-wire gain variation
with frequency
300 to 3400 Hz relative to 1 kHz
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
–
0.1
–
0.15
+0.1
+0.15
8
2- to 4-wire gain tracking
+3 dBm to
–
55 dBm
Reference:
–
10 dBm
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
–
0.1
–
0.15
+0.1
+0.15
9
4- to 2-wire gain
–
10 dBm, 1 kHz
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
–
0.15
–
0.20
0
+0.15
+0.20
10
4- to 2-wire gain variation
with frequency
300 to 3400 Hz relative to 1 kHz
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
–
0.1
–
0.15
+0.1
+0.15
11
4- to 2-wire gain tracking
+3 dBm to
–
55 dBm
Reference:
–
10 dBm
–
0.1
–
0.15
+0.1
+0.15
12
Total harmonic distortion
2-wire
300 Hz to 3400 Hz
0 dBm
+4 dBm
–
50
–
40
4-wire
–
12 dBm
–
8 dBm
–
50
–
40
2-wire metering overload
level
VLBIAS = 2.4 V, ILOOP = 30 mA,
V
BAT
= Q
BAT
=
–
60 V, DC LOAD = 200
,
Load at 16 kHz = 10 k
42
Vp-p
4
13
Idle channel noise
C-message
weighted
Active and Disable states
2-wire
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
+7
+11
+15
dBrnC
4
4-wire
–
5
4
Psophometric
weighted
2-wire
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
–
83
–
79
–
75
dBmp
4-wire
–
95
4
14
Longitudinal balance
(IEEE method)
Normal polarity
L - T
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
1000 to 3400 Hz
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
200 to 1000 Hz
58
53
53
48
63
58
dB
T - L
200 to 3400 Hz
40
L - T, IL = 0 50 to 3400 Hz
63
4
Reverse polarity
L - T
T
A
=
–
40
°
C to 0
°
C/70
°
C to 85
°
C
200 to 1000 Hz
50
48
15
PSRR (V
BAT
, Q
BAT
)
50 to 3400 Hz
25
45
3, 5
3.4 kHz to 50 kHz
25
40
4
ASLIC device in Anti-Sat state
(loop open)
f = 50 Hz, CB = 100 nF
f = 200 to 3400 Hz, CB = 100 nF
2
12
4, 8
Table 4. ASLIC Device Transmission Specifications (continued)
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