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參數(shù)資料
| 型號： | AM79R70SC |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 模擬傳輸電路 |
| 英文描述： | Ringing Subscriber Line Interface Circuit |
| 中文描述： | TELECOM-SLIC, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大小： | 270K |
| 代理商： | AM79R70SC |
SLIC Products
7
ELECTRICAL CHARACTERISTICS
Description
Test Conditions (See Note 1)
Min
Typ
Max
Unit
Note
Transmission Performance
2-wire return loss
200 Hz to 3.4 kHz (Test Circuit D)
26
dB
mV
Vpk
1, 4, 6
Z
VTX
, analog output impedance
V
VTX
, analog output offset voltage
Z
RSN
, analog input impedance
Overload level, 2-wire and 4-wire, off hook
3
20
4
–
50
+50
1
20
4
Active state
On hook, R
LAC
= 600
+3 dBm, BAT2 =
–
24 V
0 dBm, R
LAC
= 600
,
BAT1 =
–
67 V
2.5
2a
Overload level, 2-wire
0.88
Vrms
2b
THD (Total Harmonic Distortion)
–
64
–
50
dB
5
THD, on hook, OHT state
–
40
Longitudinal Performance (See Test Circuit C)
Longitudinal to metallic L-T, L-4 balance
200 Hz to 3.4 kHz
40
dB
Longitudinal signal generation 4-L
200 Hz to 800 Hz, Normal polarity
40
Longitudinal current per pin (A or B)
Active or OHT state
12
28
mArms
/pin
4
Longitudinal impedance at A or B
Idle Channel Noise
0 to 100 Hz, T
A
= +25
°
C
25
C-message weighted noise
+7
+14
dBrnC
Psophometric weighted noise
Insertion Loss and Four- to Four-Wire Balance Return Signal (See Test Circuits A and B)
–
83
–
76
dBmp
4
Gain accuracy
4- to 2-wire
0 dBm, 1 kHz
–
0.20
0
+0.20
dB
3
Gain accuracy
2- to 4-wire and
4- to 4-wire
0 dBm, 1 kHz
–
6.22
–
6.02
–
5.82
Gain accuracy
4- to 2-wire
OHT state, on hook
–
0.35
0
+0.35
Gain accuracy
2- to 4-wire and
4- to 4-wire
OHT state, on hook
–
6.37
–
6.02
–
5.77
Gain accuracy over frequency
300 to 3400 Hz
relative to 1 kHz
–
0.10
+0.10
Gain tracking
+3 dBm to
–
55 dBm
relative to 0 dBm
–
0.10
+0.10
3, 4
Gain tracking
OHT state, on hook
0 dBm to
–
37 dBm
+3 dBm to 0 dBm
–
0.10
–
0.35
+0.10
+0.35
3, 4
3
Group delay
0 dBm, 1 kHz
3
μs
1, 4, 6
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