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T0816-TCQ PDF预览

T0816-TCQ

更新时间: 2024-11-24 22:20:47
品牌 Logo 应用领域
爱特美尔 - ATMEL 振荡器驱动器射频
页数 文件大小 规格书
14页 342K
描述
3 - CHANNEL LASER DRIVER WITH RF OSCILLATOR

T0816-TCQ 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SSOP包装说明:LSSOP, SSOP16,.25
针数:16Reach Compliance Code:compliant
风险等级:5.43接口集成电路类型:INTERFACE CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装等效代码:SSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):240
电源:5 V认证状态:Not Qualified
座面最大高度:1.7 mm子类别:Display Drivers
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:YES
技术:BIPOLAR温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30Base Number Matches:1

T0816-TCQ 数据手册

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Features  
Current-controlled Output Current Source, 3 Input Channels  
Low-power Consumption  
Output Current per Channel to 250 mA  
Total Output Current to 300 mA  
Rise Time 1.0 ns, Fall Time 1.1 ns  
On-chip RF Oscillator  
Control of Frequency and Swing by Use of 2 External Resistors  
Oscillator Frequency Range from 200 MHz to 500 MHz  
Oscillator Swing to 100 mA  
Single 5 V Power Supply  
Common Enable, Disable Input  
TTL/CMOS Control Signals  
Small SSO16 Package and QFN16 Package  
3-ChannelLaser  
Driver with RF  
Oscillator  
Applications  
CD-RW Drives  
Writable Optical Drives  
T0816  
Description  
The T0816 is a laser diode driver for the operation of a grounded laser diode for  
CD-RW drives. It includes three channels for three different optical power levels which  
are controlled by a separate IC. The read channel generates a continuous output level  
whereas channels 2 and 3 are provided as write channels with very fast switching  
speeds. Write current pulses are enabled when a ‘low’ signal is applied to the NE pins.  
All channels are summed together at the IOUT pin. Each channel can contribute up to  
250 mA to the total output current of up to 300 mA. A total gain of 100 (read channel),  
250 (channel 2) and 150 (channel 3) are provided between each reference current  
input and the output. Although the reference inputs are current inputs voltage control  
is possible by using external resistors.  
An on-chip RF oscillator is provided to reduce laser mode hopping noise during read  
mode. Frequency and swing can be set by two external resistors. Oscillation is  
enabled by a ‘high’ at the ENOSC pin. Complete output current and oscillator switch-  
off is achieved by a ‘low’ at the ENABLE input.  
Figure 1. Block Diagram  
I3  
Channel 3  
Channel 2  
NE3  
I2  
NE2  
IOUT  
IR  
NER  
Read channel  
RF oscillator  
ENABLE  
ENOSC  
RF  
RS  
Rev. 4505G–DVD–09/03  

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