参数资料
| 型号： | DS1862B+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/43页 |
| 文件大小： | 0K |
| 描述： | IC LASR CTRLR 7CHAN 5.5V 25CSBGA |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 激光二极管控制器（光纤） |
| 数据速率： | 10Gbps |
| 通道数： | 7 |
| 电源电压： | 2.9 V ~ 5.5 V |
| 电流 - 电源： | 3mA |
| 工作温度： | -40°C ~ 100°C |
| 封装/外壳： | 25-TFBGA，CSPBGA |
| 供应商设备封装： | 25-BGA（5x5） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
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Rev 1; 12/07
XFP Laser Control and Digital Diagnostic IC
General Description
The DS1862 is a closed-loop laser-driver control IC with
built-in digital diagnostics designed for XFP MSA. The
Features
? Implements XFP MSA Requirements for Digital
Diagnostics, Serial ID, and User Memory
laser control function incorporates automatic power
control (APC) and allows extinction ratio control though
a temperature-indexed lookup table (LUT). The DS1862
monitors up to seven analog inputs, including tempera-
?
?
?
I 2 C-Compatible Serial Interface
Automatic Power Control (APC)
Extinction Ratio Control with Lookup Table
ture and monitor diode (MD) current, which are used to
regulate the laser bias current and extinction ratio.
Warning and alarm thresholds can be programmed to
generate an interrupt if monitored signals exceed toler-
ance. Calibration is also provided internally using inde-
pendent gain and offset scaling registers for each of
the monitored analog signals. Settings such as pro-
grammed calibration data are stored in password-pro-
tected EEPROM memory. Programming is accomplished
through an I 2 C-compatible interface, which can also be
used to access diagnostic functionality.
? Seven Monitored Channels for Digital Diagnostics
(Five Basic Plus Two Auxiliary)
? Internal Calibration of Monitored Channels
(Temp, V CC2/3 , Bias Current, Transmitted, and
Received Power)
? Programmable Quick-Trip Logic for Turning
Off Laser for Eye Safety
? Access to Monitoring and ID Information
? Programmable Alarm and Warning Thresholds
? Operates from 3.3V or 5V Supply
Applications
Laser Control and Monitoring 10Gbps Optical
Transceiver Modules (XFP)
Laser Control and Monitoring
Digital Diagnostics in Optical Transmission
Pin Configuration
?
?
?
?
25-Ball CSBGA, 5mm x 5mm Package
Internal or External Temperature Sensor
-40°C to +100°C Operating Temperature Range
One 8-Bit Buffered DAC
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
TOP VIEW
1
2
3
4
5
DS1862B
-40°C to +100°C
25 CSBGA
DS1862B+
-40°C to +100°C
25 CSBGA
A
+Denotes a lead-free/RoHS-compliant package.
P-DOWN/
RST
SC-RX-LOS SC-RX-LOL
THRSET
V CC2
B
RX-LOS
SCL
FETG
RSSI
MODSET
C
TX-D
SDA
EN1
EN2
BIASSET
D
INTERRUPT
MOD-NR
AUX1MON
AUX2MON
BMD
E
GND
MOD-DESEL IBIASMON SC-TX-LOS
CSBGA (5mm x 5mm)
V CC3
Typical Operating Circuit appears at end of data sheet.
______________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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| DS1863 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Burst-Mode PON Controller With Integrated Monitoring |
| DS1863B+ | 制造商:Maxim Integrated Products 功能描述:PON CONTROLLER 16 LEAD BGA PB FREE - Trays |
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| DS1863E+ | 功能描述:激光驱动器 Burst-Mode PON Ctlr w/Integrated Mntr 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 |
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