參數(shù)資料
型號(hào): DS3150QN
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 3/28頁(yè)
文件大?。?/td> 0K
描述: IC LIU T3/E3/STS-1 IND 28-PLCC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 37
類(lèi)型: 線(xiàn)路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: DS3
電源電壓: 3.135 V ~ 3.465 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-LCC(J 形引線(xiàn))
供應(yīng)商設(shè)備封裝: 28-PLCC(11.51x11.51)
包裝: 管件
DS3150
11 of 28
Transmit Driver Monitor. If the transmit driver monitor detects a faulty transmitter, it activates the
DM output pin. When the transmitter is tri-stated (TTS = 0), the transmit driver monitor is also disabled.
The transmitter is declared to be faulty when the transmitter outputs see a load of less than about 25
W.
The
DM pin is only available in the TQFP package.
Transmitter Jitter Generation (Intrinsic). The transmitter meets the jitter generation requirements
of all applicable standards, with or without the jitter attenuator enabled.
Transmitter Jitter Transfer. Without the jitter attenuator enabled in the transmit side, the transmitter
passes jitter through unchanged. With the jitter attenuator enabled in the transmit side, the transmitter
meets the jitter transfer requirements of all applicable telecommunication standards in Table 1-A. See
Table 1-C. DS3 Waveform Template
TIME (IN UNIT INTERVALS)
NORMALIZED AMPLITUDE
EQUATIONS
UPPER CURVE
-0.85
T -0.68
0.03
-0.68
T 0.36
0.5 {1 + sin[(
p/2)(1 + T/0.34)]} + 0.03
0.36
T 1.4
0.08 + 0.407e-1.84(T - 0.36)
LOWER CURVE
-0.85
T -0.36
-0.03
-0.36
T 0.36
0.5 {1 + sin[(
p/2)(1 + T/0.18)]} - 0.03
0.36
T 1.4
-0.03
Table 1-D. DS3 Waveform Test Parameters and Limits
PARAMETER
SPECIFICATION
Rate
44.736Mbps (
±20ppm)
Line Code
B3ZS
Transmission Medium
Coaxial cable (AT&T 734A or equivalent)
Test Measurement Point
At the end of 0 to 450 feet of coaxial cable
Test Termination
75
W (±1%) resistive
Pulse Amplitude
Between 0.36V and 0.85V
Pulse Shape
An isolated pulse (preceded by two zeros and
followed by one or more zeros) falls within the
curves listed in Table 1-C.
Unframed All-Ones Power Level at
22.368MHz
Between -1.8dBm and +5.7dBm
Unframed All-Ones Power Level at
44.736MHz
At least 20dB less than the power measured at
22.368MHz
Pulse Imbalance of Isolated Pulses
Ratio of positive and negative pulses must be
between 0.90 and 1.10
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