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参数资料
| 型号： | W671340P |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 模拟传输电路 |
| 英文描述： | TELECOM-SLIC, PQCC28 |
| 封装： | PLASTIC, LCC-28 |
| 文件页数： | 31/48页 |
| 文件大小： | 1344K |
| 代理商： | W671340P |
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W671300 SERIES
10. ELECTRICAL CHARACTERISTICS
Unless Otherwise Specified, TA = -40
oC to 85oC for industrial grade and T
A = 0
oC to 85oC for
commercial grade, VBL = -24V, VBH = -100V, -85V or -75V, VCC = +3.3V, AGND = BGND = 0V, loop
current limit = 25mA. All AC transmission parameters are specified at 600 2-wire terminating
impedance over the frequency band of 300 Hz to 3.4 kHz. Protection resistors = 0.
10.1. RINGING PARAMETERS
Parameter
Conditions
Min
Typ
Max
Units
VRS Input Impedance
[1]
450
-
k
Balanced Ringing, VRS to 2-Wire, RLOAD =
∞
78
80
82
V/V
Differential Ringing Gain
[2]
Unbalanced Ringing, VRS to 2-Wire,
RLOAD = ∞
38
40
42
V/V
Tip, Referenced to VBH/2 + 0.5
[3]
-
± 2.5
-
V
Centering Voltage Accuracy
Ring, Referenced to VBH/2 + 0.5
-
± 2.5
-
V
Open Circuit Ringing Voltage
Balanced Ringing, VRS Input = 0.840VRMS
-
67
-
VRMS
Unbalanced Ringing, VRS Input =
0.840VRMS
-
33.5
-
VRMS
Ringing Voltage Total Distortion
RL = 1.3 k, VT-R = |VBH| -5
-
4.0
%
4-Wire to 2-Wire Ringing Off
Isolation
Active Mode, Referenced to VRS Input
-
90
-
dB
2-Wire to 4-Wire Transmit
Isolation
Ringing Mode Referenced to the
Differential Ringing Amplitude
-
80
-
dB
Notes:
[1]. These parameters are controlled via design or process parameters and are not directly tested. These parameters are
characterized upon initial design release and upon design changes which would affect these characteristics.
[2]. Differential Ringing Gain is measured with VRS = 0.795VRMS for -100V devices, VRS = 0.663 VRMS for -85V devices and
VRS = 0.575VRMS for -75V devices.
[3]. For Unbalanced Ringing the Tip terminal is offset to 0V and the Ring terminal is centered at Vbh/2 + 0.5V.
Publication Release Date: March 2004
- 37 -
Revision 0.5
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