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参数资料
| 型号： | LTC5100EUF |
| 厂商： | Linear Technology |
| 文件页数： | 16/52页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER VCSEL 3.2GBPS 16QFN |
| 标准包装： | 91 |
| 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： | 管件 |
| 安装类型： | 表面贴装 |
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LTC5100
EQUIVALE T I PUT A D OUTPUT CIRCUITS
LTC5100
R ON ? 3 ?
Cml_en
V DD(HS)
2
IN +
V DD(HS)
20pF
50k
LTC5100
V DD
M2
V DD(HS)
SRC
14
3
IN –
50 ?
50 ?
V DD(HS)
25k
TO INPUT
AMPLIFIER
M1
1M
25k
MODA
V DD(HS)
MODB
11
10
50k
5100 F10
Figure 10. Equivalent Circuit for the IN + and IN – Pins
OPERATIO
OVERVIEW
(Refer to Figure 1 and the Block Diagram in Figure 2)
The LTC5100 is optimized to drive common cathode
VCSELs in high speed fiber optic transceivers. The chip
incorporates several features that make it very compact
and easy-to-use while delivering exceptional high speed
performance. Only a capacitor, a resistor and a small
EEPROM (excluding laser diode and power supply filter-
ing) are needed to build a complete fiber optic transmitter.
Digital control over the I 2 C serial interface allows fully
automated laser setup to improve manufacturing effi-
ciency. The LTC5100’s extensive set of eye safety features
meet GBIC and SFF requirements but go beyond the
standards with open-pin protection, redundant transmit-
ter enable controls and other interlocks.
10-bit integrated DACs set laser bias and modulation
levels, eliminating the cost and space of digital potentiom-
eters. A multiplexed ADC allows monitoring of tempera-
ture and laser operating conditions in production or field
operation. Laser bias and modulation currents are digi-
tally temperature compensated to second order for tight
control of average power and extinction ratio. The LTC5100
5100 F11
Figure 11. Equivalent Circuit for the SRC, MODA and MODB Pins
provides both constant current and automatic power
control of the laser bias current. In automatic power
control mode, special circuitry maintains constant set-
tling time in spite of variations in the laser slope efficiency
and monitor diode response characteristics.
The high speed inputs of the LTC5100 are internally
terminated in 50 ? and internally AC coupled, eliminating
all external components at the inputs. The modulation
output is DC coupled to the laser and presents a high
quality resistive drive impedance to deliver very fast and
clean eye diagrams in spite of laser impedance variations.
The modulation output is capable of driving significant
lengths of transmission line, allowing the LTC5100 to be
placed at an arbitrary distance from the laser. This feature
allows for packaging flexibility within the module.
The LTC5100 minimizes electromagnetic interference (EMI)
with several architectural features. The unique design of
the driver output forces the high speed modulation current
to circulate only in the laser and ground system. The high
speed amplifier chain and the digital circuitry are internally
filtered and decoupled to further reduce power supply
noise generation.
sn5100 5100fs
16
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相关代理商/技术参数 |
参数描述 |
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| LTC5100EUF#PBF | 功能描述:IC DRIVER VCSEL 3.2GBPS 16QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 激光驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:激光二极管驱动器 数据速率:- 通道数:4 电源电压:3.3V 电流 - 电源:- 电流 - 调制:- 电流 - 偏置:- 工作温度:0°C ~ 70°C 封装/外壳:40-TQFN 裸露焊盘 供应商设备封装:40-TQFN EP 包装:托盘 安装类型:表面贴装 |
| LTC5100EUF#TR | 功能描述:IC DRIVER VCSEL 3.2GBPS 16QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 激光驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:激光二极管驱动器 数据速率:- 通道数:4 电源电压:3.3V 电流 - 电源:- 电流 - 调制:- 电流 - 偏置:- 工作温度:0°C ~ 70°C 封装/外壳:40-TQFN 裸露焊盘 供应商设备封装:40-TQFN EP 包装:托盘 安装类型:表面贴装 |
| LTC5100EUF#TRPBF | 功能描述:IC DRIVER VCSEL 3.2GBPS 16QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 激光驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:激光二极管驱动器 数据速率:- 通道数:4 电源电压:3.3V 电流 - 电源:- 电流 - 调制:- 电流 - 偏置:- 工作温度:0°C ~ 70°C 封装/外壳:40-TQFN 裸露焊盘 供应商设备封装:40-TQFN EP 包装:托盘 安装类型:表面贴装 |
| LTC511P | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Optoelectronic |
| LTC5336E | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Optoelectronic |
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