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參數(shù)資料
| 型號(hào)： | HC5520CQ |
| 廠商： | Harris Corporation |
| 英文描述： | CO/PABX Polarity Reversal Subscriber Line Interface Circuit |
| 中文描述： | 二氧化碳/極性反轉(zhuǎn)交換機(jī)用戶線接口電路 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大小： | 191K |
| 代理商： | HC5520CQ |
5
TRANSMISSION PARAMETERS - 4-WIRE TO 4-WIRE ABSOLUTE DELAY
Absolute Delay
normal
reverse
600
-48V
1020Hz
0dBm
1.5
μ
s
TRANSMISSION PARAMETERS - OVER LOAD LEVEL (Figures 14, 15)
Receive Over Load Level at 4W
and 2W
normal
reverse
600
-42V
1% THD
1020Hz
2.5
-
-
V
PEAK
Transmit Over Load Level at 2W
and 4W
normal
reverse
600
-42V
1% THD
1020Hz
2.15
-
-
V
PEAK
TRANSMISSION PARAMETERS - LONGITUDINAL IMPEDANCE (Figure 16)
Longitudinal Impedance per Wire
normal
reverse
-
-48V
40Hz to
100Hz
-
50
-
TRANSMISSION PARAMETERS - LONGITUDINAL CURRENT CAPABILITY (Figure 17)
Longitudinal Current Limit per Wire
normal
reverse
-
-42V
Triangle
Waveform
40Hz to
100Hz
15
-
-
mA
PEAK
TRANSMISSION PARAMETERS - LONGITUDINAL BALANCE (Figure 18)
2-Wire Longitudinal Balance
normal
reverse
368
+
368
-48V
300Hz
1020Hz
3400Hz
42
48
48
62.2
58.7
69.5
-
dB
dB
dB
4-Wire Longitudinal Balance
normal
reverse
368
+
368
-48V
300Hz
1020Hz
3400Hz
42
48
48
66.0
67.2
77.0
-
dB
dB
dB
POWER SUPPLY REJECTION RATIO (Figure 19)
PSRR V
BAT
To 4-Wire
normal
reverse
600
-48V
V
BAT
= -48V +
100mV
RMS
300Hz
30
42
-
dBC
PSRR V
BAT
To 2-Wire
normal
reverse
600
-48V
V
BAT
= -48V +
100mV
RMS
300Hz
30
42
-
dBC
PSRR V
CC
To 4-Wire
normal
reverse
600
-48V
V
CC
= 4.75V +
100mV
RMS
300Hz
20
33
-
dBC
PSRR V
CC
To 2-Wire
normal
reverse
600
-48V
V
CC
= 4.75V +
100mV
RMS
3420Hz
20
24
-
dBC
PSRR V
EE
To 4-Wire
normal
reverse
600
-48V
V
EE
= -4.75V +
100mV
RMS
2500Hz
20
30
-
dBC
PSRR V
EE
To 2-Wire
normal
reverse
600
-48V
V
EE
= -4.75V +
100mV
RMS
2500Hz
20
32
-
dBC
Electrical Specifications
Unless Otherwise Specified: Typical Parameters are at T
A
= 25
o
C, V
CC
= +5V, V
EE
= -5V, V
BAT
= -48V,
AGND = BGND = RGND = 0V, Min-Max Parameters are Over Power Supply and Operating Temperature Range. All Transmission Parame-
ters are Specified at 600
2-Wire Terminating Impedance with 0dB transmit and receive gain.
(Continued)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
MODE
LOAD
V
BAT
OTHER
CONDITIONS
FREQ/
LEVEL
HC5520
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