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T0800-TNQW PDF预览

T0800-TNQW

更新时间: 2024-11-05 13:14:19
品牌 Logo 应用领域
爱特美尔 - ATMEL 振荡器驱动器接口集成电路射频光电二极管输出元件
页数 文件大小 规格书
14页 291K
描述
Interface Circuit, PDSO24, LEAD FREE, SSOP-24

T0800-TNQW 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SSOP
包装说明:LSSOP,针数:24
Reach Compliance Code:compliant风险等级:5.68
接口集成电路类型:INTERFACE CIRCUITJESD-30 代码:R-PDSO-G24
长度:7.925 mm湿度敏感等级:1
功能数量:1端子数量:24
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
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.45 mm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温度等级:COMMERCIAL
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

T0800-TNQW 数据手册

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Features  
Current-controlled Output Current Source with 5 Input Channels  
2 Selectable Outputs for Grounded Laser Diodes  
Output Current per Channel up to 200 mA  
Total Output Current up to 250 mA  
Rise Time 1.0 ns/Fall Time 1.1 ns  
On-chip RF Oscillator  
Control of 2 Different Frequencies and Swings by Use of 4 External Resistors  
Oscillator Frequency Range from 200 MHz to 600 MHz  
Oscillator Swing to 100 mA  
Single 5-V Power Supply  
Common Enable/Disable Input  
5-ChannelLaser  
Driver with RF  
Oscillator and  
2 Outputs  
TTL/CMOS Control Signals  
Small SSO24 Package and QFN28 Package  
Applications  
Combo Drives (DVD + CD-RW)  
DVD-RAM with CD-RW Capability  
DVD-RW with CD-RW Capability  
T0800  
1. Description  
The T0800 is a laser diode driver for the operation of two different, grounded laser  
diodes for DVD-RAM (650 nm) and CD-RW (780 nm). It includes five channels for five  
different optical power levels which are controlled by a separate IC. The read channel  
generates a continuous output level. The channels 2 to 5 are provided as write chan-  
nels with very fast switching speeds. When a low signal is applied to the NE pins, write  
current pulses are enabled. All channels are summed together and switched to one of  
the two outputs IOUTA or IOUTB by the select input SELA. Each channel can contrib-  
ute up to 200 mA to the total output current of up to 250 mA. A total gain of 100 is  
provided between each reference current input and the selected output. Although the  
reference inputs are current inputs, voltage control is possible by using external resis-  
tors. An on-chip RF oscillator reduces laser mode hopping noise during read mode.  
Frequency and swing can be set independently for the two selectable outputs with two  
pairs of resistors. Oscillation is enabled by a high signal at the ENOSC pin. Complete  
output current and oscillator switch-off is achieved by a low signal at the ENABLE  
input.  
Rev. 4503D–DVD–02/05  

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