参数资料
型号: MAX3766EEP+T
厂商: Maxim Integrated
文件页数: 8/20页
文件大小: 0K
描述: IC LASR DRVR 622MBPS 5.5V 20QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 激光二极管驱动器(光纤)
数据速率: 622Mbps
通道数: 1
电源电压: 4.5 V ~ 5.5 V
电流 - 电源: 25mA
电流 - 调制: 60mA
电流 - 偏置: 80mA
工作温度: -40°C ~ 85°C
封装/外壳: 20-SSOP(0.154",3.90mm 宽)
供应商设备封装: 20-QSOP
包装: 带卷 (TR)
安装类型: 表面贴装
622Mbps LAN/WAN Laser Driver with
Automatic Power Control and Safety Shutdown
R POWERSET
5.1k
R MOD
R TC
R BIASMAX
V CC
FAIL
MOD
REF2
TC
REF1
BIASMAX
POWERSET
V CC
V CC
520 ?
BANDGAP
520 ?
300 ?
C MD
2k
REFERENCE
GENERATOR
V
TEMP
V
TEMP
POWERSET
MIRROR
1X
MD
V CC
MONITOR
PHOTODIODE
SAFETY
APC
I APC
ENABLE
SAFETY
START-UP
CIRCUIT
FAILURE
FAILURE
DETECTION
MONITOR-
DIODE
AMPLIFIER
V CC - 2V
SHDN
MAX3766
SHDN
AUTOMATIC
POWER CONTROL
BIAS
MIRROR
BIAS
LASER
V CC
40X
IN+
LASER BIAS CIRCUIT
IN-
PECL
INPUT
BUFFER
MODULATION
MIRROR
30X
MODULATION-
OUT+
OUT-
V CC
CURRENT
DRIVER
Figure 2. Functional Diagram
GNDOUT
VCCOUT
The available laser bias current is programmed by
connecting external resistor R BIASMAX from REF1 to
BIASMAX. The BIASMAX programming current is
adjusted by the APC circuit and amplified by the laser
programming current (about 2.5mA) to flow into
BIASMAX. Selecting a BIASMAX resistor saves power
and limits the transmitter ’s maximum light output.
R BIASMAX can be estimated as follows:
( )
bias circuit.
An internal 520 ? resistor between BIASMAX and the
mirror input at internal node APC limits the maximum
laser bias current when BIASMAX is connected directly
R BIASMAX =
1.55V 40
I BIASMAX
? 520 ?
to REF1. BIASMAX can be directly connected to REF1
in space-constrained designs, causing the maximum
This equation applies to maximum bias currents above
10mA.
8
_______________________________________________________________________________________
相关PDF资料
PDF描述
MAX3795ETG+ IC DRIVER VCSEL W/MON 24-TQFN
MAX3799ETJ+T IC AMP LIMITING VCSEL DVR 32TQFN
MAX3863ETJ+T IC LASR DRVR 2.7GBPS 3.6V 32TQFN
MAX3869ETJ+ IC LASER DRIVR 2CHAN 5.5V 32TQFP
MAX3946ETG+T IC LASER DVR SFP 11.3GBPS 24TQFN
相关代理商/技术参数
参数描述
MAX3766EVKIT 功能描述:激光驱动器 Evaluation Kit for the MAX3766 RoHS:否 制造商:Micrel 数据速率:4.25 Gbps 工作电源电压:3 V to 3.6 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:QFN-16 封装:Tube
MAX3768C/D 功能描述:限幅放大器 RoHS:否 制造商:Micrel 输入电压范围(最大值):3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube
MAX3768CUB 功能描述:限幅放大器 3-5.5V 1.25/2.5Gbps RoHS:否 制造商:Micrel 输入电压范围(最大值):3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube
MAX3768CUB+ 功能描述:限幅放大器 3-5.5V 1.25/2.5Gbps RoHS:否 制造商:Micrel 输入电压范围(最大值):3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube
MAX3768CUB+T 功能描述:限幅放大器 3-5.5V 1.25/2.5Gbps RoHS:否 制造商:Micrel 输入电压范围(最大值):3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube