參數(shù)資料
型號: XRT81L27IV
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY
中文描述: DATACOM, PCM TRANSCEIVER, PQFP128
封裝: TQFP-128
文件頁數(shù): 13/30頁
文件大?。?/td> 194K
代理商: XRT81L27IV
á
XRT81L27
SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY
REV. 1.1.0
11
T
ABLE
5: P
ER
C
HANNEL
P
OWER
C
ONSUMPTION
INCLUDING
LINE
POWER
DISSIPATION
,
TRANSMISSION
AND
RECEIVE
PATHS
ALL
ACTIVE
P
ARAMETER
S
YMBO
L
M
IN
M
AX
U
NIT
C
ONDITIONS
Power Consumption
PC
-
107
mW
75
load, operating at 50% Mark Density
Power Consumption
PC
-
92
mW
120
load, operating at 50% Mark Density.
Power Consumption
PC
-
180
mW
75
load, operating at 100% Mark Density.
Power Consumption
PC
-
155
mW
120
load, operating at 100% Mark Density.
T
ABLE
6: R
ECEIVER
E
LECTRICAL
C
HARACTERISTICS
(VDD=3.3V + 5%, T
A
= -40°C to +85°C Unless Otherwise Specified)
P
ARAMETER
M
IN
M
AX
U
NIT
T
EST
C
ONDITIONS
Receiver loss of signal:
Number of consecutive zeros
before
LOS
is set
Number of consecutive Zeros
before
EXLOS
is set
10
----
255
4096
bit
Input signal level at
LOS
12
---
dB
Cable attenuation @1024KHz
LOS
Delay
255
bit
ITU-G.775, ETSI 300 233
Hysteresis
2
dB
Receiver Sensitivity
11
----
dB
With nominal pulse amplitude of 3.0V for
120
and 2.37V for 75
application.
Interference Margin
-18
----
dB
With 6dB cable loss.
Input Impedance
10
----
K
Between RTIP or RRING to ground
Jitter Tolerance:
20 Hz
700Hz
10KHz 100KHz
10
5
0.3
----
UIpp
ITU G.823
Recovered Clock Jitter Transfer
Peaking Amplitude
----
0.5
dB
Corner Frequency = 36KHz
ITU G.736
Return Loss:
51KHz -- 102KHz
102KHz -- 2048KHz
2048KHz -- 3072KHz
14
20
16
----
----
----
dB
dB
dB
ITU-G.703
相關(guān)PDF資料
PDF描述
XRT81L27 Seven Channel E1 Line Interface Unit with Clock Recovery(7通道 E1線接口單元(帶時鐘恢復(fù)))
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XRT82L24IV QUAD E1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
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