參數(shù)資料
型號: XR-T5794
廠商: Exar Corporation
英文描述: Quad E-1 Line Interface Unit
中文描述: 四的E - 1線路接口單元
文件頁數(shù): 8/20頁
文件大?。?/td> 201K
代理商: XR-T5794
XR-T5794
8
Rev. 2.01
DC ELECTRICAL CHARACTERISTICS
Test Conditions:
T
A
= -40
°
C to
25
°
C
to 85
°
C, all V
DD
s =
5V
5%, all V
SS
s =
-5V
5%, all GNDs = 0V
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
DC Parameters
V
DD
s
V
SS
s
DC Supply Positive
4.75
5.00
5.25
V
DC Supply Negative
-4.75
-5.00
-5.25
V
Inputs
V
IH
V
IL
I
PDC
High Level Input
2.0
V
Low Level Input
0.8
V
Input Pull Down Current
40
A
Outputs
V
OH
V
OH
V
OL
High Level Output
3.5
V
I
OH
= -10 A
I
OH
= -40 A
I
OL
= 1.6mA
High Level Output
2.4
V
Low Level Output
0.4
V
Receiver Specifications
R
XP
R
XCL
Receiver Sensitivity
0.6
4.2
Vp
Allowed Cable Loss
(0dB=2.4V)
Interference Margin (E1)
Receiver Slicing Level (T1)
1
Receiver Slicing Level (E1)
1
0
0
16
10
10
12
12
dB
dB
dB
1.024MHz (E1)
772kHz (T1)
With 6dB Cable Loss
R
XIWT
R
XTI
R
XEI
R
XLOS
R
IN
Power Specifications (Without Monitor Channel)
60
65
70
%
Peak Voltage %
45
50
55
%
Peak Voltage %
Receiver LOS Threshold
0.2
0.3
V
Input Resistance
2.5
k
Up to 3.072MHz
P
D
P
D
P
C
P
C
P
C
Power Dissipation
400
680
mW
Power Dissipation
Power Consumption 75
2
Power Consumption 100
2
Power Consumption 120
2
Power Supply Requirement
250
280
mW
All Drivers in High-Z
500
833
mW
All 1’s Transmit & Receive
475
860
mW
All 1’s Transmit & Receive
450
830
mW
All 1’s Transmit & Receive
PV
DD
Pc/2
+ 5mW
Pc/2
- 5mW
mW
PV
SS
Power Supply Requirement
mW
Notes
1
Selected by E1/T1
2
Power consumption = power dissipation + power to the cable.
Bold face parameters
are covered by production test and guaranteed over operating temperature range.
Specifications are subject to change without notice
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