參數(shù)資料
型號(hào): AK2540
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Quad T1 Transceiver
中文描述: 的4 T1收發(fā)器
文件頁數(shù): 10/33頁
文件大小: 159K
代理商: AK2540
ASAHI K ASEI [AK2540]
MS0012-E-00 2000/1
10
RECEIVER
Receiver characteristics are guaranteed under the conditions shown below.
VDD=3.3V±5% or 5.0V±5%, VSS=0V, GND=0V, Ta=-40 - 85
°
C,
MCLK frequency: 1.544MHz±100ppm, 24.704MHz±100ppm,
AMI input data rate:1.544bps±130ppm(reference input level: 3V
0p
±20%)
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Sensitivity
-6
dB
Note 1
Loss of Signal Threshold
0.35
0.5
0.7
V
0p
Note 2
J itter Tolerance
GR-499 CategoryI,II, ATT TR 62411
Consecutive Zeros before Loss of Signal
170
175
180
Note 3
Input Impedance
20
kohm Note 4
Note 1:
Note 2: Level at the line side of transformer. Loss of signal is logical OR between an analog loss of
signal, which monitors input level, and a digital loss of signal, which checks recovered data
stream.
Note 3: The device will tolerate consecutive zeros until loss of signal is reported with QRSS (PN20
Modified) pattern.
Note 4: It is not subject to be tested for the production. Guaranteed by design.
Relative value to the reference level. Compare at 772kHz with all mark pattern.
JITTER TOLERANCE
JITTER TOLERANCE
0.1
1
10
100
1000
1
10
100
1000
10000
100000
Jiiter Frequency(Hz)
J
TR62411
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