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参数资料
| 型号： | LTC5100EUF#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/52页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER VCSEL 3.2GBPS 16QFN |
| 标准包装： | 2,500 |
| 类型： | 激光二极管驱动器 |
| 数据速率： | 3.2Gbps |
| 通道数： | 1 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 电流 - 电源： | 54mA |
| 电流 - 调制： | 12mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN（4x4） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
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LTC5100
3.3V, 3.2Gbps VCSEL Driver
FEATURES
DESCRIPTIO
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155Mbps to 3.2Gbps Laser Diode Driver for VCSELs*
60ps Rise and Fall Times, 10ps Deterministic Jitter
Eye Diagram is Stable and Consistent Across
Modulation Range and Temperature
1mA to 12mA Modulation Current
Easy Board Layout, Laser can be Remotely Located
if Desired
No Input Matching or AC Coupling Components
Needed
On-Chip ADC for Monitoring Critical Parameters
Digital Setup and Control with I 2 C TM Serial Interface
Emulation and Set-Up Software Available**
Operates Standalone or with a Microprocessor
On-Chip DACs Eliminate External Potentiometers
Constant Current or Automatic Power Control
First and Second Order Temperature Compensation
On-Chip Temperature Sensor
Extensive Eye Safety Features
Single 3.3V Supply
4mm × 4mm QFN Package
The LTC ? 5100 is a 3.2Gbps VCSEL driver offering an
unprecedented level of integration and high speed perfor-
mance. The part incorporates a full range of features to
ensure consistently outstanding eye diagrams. The data
inputs are AC coupled, eliminating the need for external
capacitors. The LTC5100 has a precisely controlled 50 ?
output that is DC coupled to the laser, allowing arbitrary
placement of the IC. No coupling capacitors, ferrite beads
or external transistors are needed, simplifying layout,
reducing board area and the risk of signal corruption. The
unique output stage of the LTC5100 confines the modula-
tion current to the ground system, isolating the high speed
signal from the power supply to minimize RFI.
The LTC5100 supports fully automated production with its
extensive monitoring and control features. Integrated 10-bit
DACs eliminate the need for external potentiometers. An on-
board 10-bit ADC provides the laser current and voltage,
as well as monitor diode current and temperature. Status
information is available from the I 2 C serial interface for feed-
back and statistical process control.
APPLICATIO S
An internal digital controller compensates laser tempera-
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Gigabit Ethernet and Fibre Channel Transceivers
SFF and SFP Transceiver Modules
Proprietary Fiber Optic Links
ture drift and provides extensive laser safety features.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I 2 C is a trademark of Philips Electronics N.V.
*Vertical Cavity Surface Emitting Laser
**Downloadable from www.linear.com
TYPICAL APPLICATIO
3.3V
24LC00 EEPROM
IN SOT-23 PACKAGE
V DD
SDA
SCL
ADC
MD
3.2Gbps Electrical Eye Diagram
EN
FAULT
DIGITAL
CONTROLLER
DAC
DAC
SRC
10nF
50 ?
1mA/DIV
IN +
+
MODA
ARBITRARY
DISTANCE
SERIALIZER
IN –
V SS
100 ?
–
3.2Gbps
MODULATOR
MODB
5100 F01
50ps/DIV
5100 TA01
WARNING: POTENTIAL EYE HAZARD.
SEE “EYE SAFETY INFORMATION”
Figure 1. VCSEL Transmitter with Automatic Power Control
sn5100 5100fs
1
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