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參數(shù)資料
| 型號： | SY88149HALMG TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP LIMITING 1.25GBPS 16QFN |
| 標準包裝： | 1 |
| 類型： | 限幅后置放大器 |
| 應(yīng)用： | 光纖學(xué)網(wǎng)絡(luò) |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-QFN（3x3） |
| 包裝： | 標準包裝 |
| 其它名稱： | 576-3960-6 |
Micrel, Inc.
SY89835U
February 2006
8
M9999-020706
hbwhelp@micrel.com or (408) 955-1690
Input Stage
Figure 1. Simplified Differential Input Buffer
LVDS Outputs
LVDS specifies a small swing of 325mV typical, on a
nominal 1.20V common mode above ground. The
common mode voltage has tight limits to permit large
variations in ground noise between an LVDS driver
and receiver. These outputs can drive AC- or DC-
coupled differential signals.
The SY89835U can drive long lengths of coaxial
cables and FR4 traces. Table 1 below shows typical
lengths of cables driven at different clock and data
rates.
Clock/Data
Rate
Coaxial Cable
Length
(1)
FR4 Cable
Length
(2)
100MHz
4.5m
1.40m
622MHz
3.5m
0.85m
1.25Gbps
3.8m
0.80m
2.50Gbps
3.3m
0.50m
Table 1. Typical Lengths of Coaxial and FR4 Traces
Notes:
1.
Specifications for the center conductor of the coaxial cables
used are “19 1/19 spcw OD .037 inch ± 0.001”. These are 1m
cables, p/n SB-142 manufactured by Harbour Industries.
www.harbourind.com.
2.
The FR4 traces are 6.25mil wide and 6mil thick. Horizontal
distance between adjacent traces is 7.75mil. These traces are
fabricated on a Molex GBX Reference Backplane.
www.molex.com.
Figure 2a. LVDS Differential Measurement
Figure 2b. LVDS Common Mode Measurement
Figure 2c. Single-Ended Swing
Figure 2d. Differential Swing
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| SY88149HL | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 1.25Gbps Burst-Mode Limiting |
| SY88149HL_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 1.25Gbps Burst-Mode Limiting |
| SY88149HLMG | 功能描述:限幅放大器 Burst-mode post amp with ultra-fast SD assert time for GEPON/GPON OLT (ROHS Compliant) RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| SY88149HLMG TR | 功能描述:限幅放大器 Burst-mode post amp with ultra-fast SD assert time for GEPON/GPON OLT (ROHS Compliant) RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| SY88149HLMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 1.25Gbps Burst-Mode Limiting |
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