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DS3920T-002+ PDF预览

DS3920T-002+

更新时间: 2024-01-09 17:58:56
品牌 Logo 应用领域
美信 - MAXIM 模拟IC信号电路光电二极管
页数 文件大小 规格书
7页 1419K
描述
Fast Current Mirror Voltage Clamp Protects Subsequent Output Circuitry

DS3920T-002+ 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SOT-23
包装说明:LSSOP, TSOP6,.11,37针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:18 weeks
风险等级:0.67Samacsys Confidence:3
Samacsys Status:ReleasedSamacsys PartID:694785
Samacsys Pin Count:6Samacsys Part Category:Integrated Circuit
Samacsys Package Category:SOT23 (6-Pin)Samacsys Footprint Name:SOT-23+-+-
Samacsys Released Date:2020-03-10 12:52:05Is Samacsys:N
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDSO-G6
长度:2.9 mm湿度敏感等级:1
功能数量:1端子数量:6
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装等效代码:TSOP6,.11,37封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:3/75 V认证状态:Not Qualified
座面最大高度:1.45 mm子类别:Other Analog ICs
最大供电电流 (Isup):4.4 mA最大供电电压 (Vsup):76 V
最小供电电压 (Vsup):2.97 V标称供电电压 (Vsup):3 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.625 mmBase Number Matches:1

DS3920T-002+ 数据手册

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19-5797; Rev 0; 3/11  
General Description  
Features  
The DS3920 precision current mirror is designed for ava-  
lanche photodiode (APD) and PIN photodiode biasing  
and monitoring applications. The device offers a current  
clamp to limit current through the APD and a current mir-  
ror output that produces a signal proportional (5:1) to the  
APD current. A diode is also provided to limit the voltage  
at the current mirror output.  
S Wide Voltage Input Range: 2.97V to 76V  
S Current Monitor  
Wide 250nA to 2mA Range  
5:1 Mirror Ratio  
Fast 50ns Time Constant  
S Current Clamp (2.9mA or 20mA, typ)  
S Voltage Clamp Protects Subsequent Output Circuitry  
S 6-Pin SOT23 (MAX4007 Compatible)  
The device accepts a +2.97V to +76V current mirror  
supply voltage. Internal current limiting (2.9mA or 20mA,  
typ) protects the monitored device from a short circuit to  
ground. The provided internal clamp diode protects the  
current mirror output from overvoltage. Additionally, the  
device features thermal shutdown if the die temperature  
reaches +150NC.  
Applications  
Avalanche Photodiode (APD) Biasing  
PIN Photodiode Monitoring  
GEPON, GPON, 10GEPON, XGPON: ONU and OLT  
The device is available in a 6-pin SOT23 package, and  
operates over the -40NC to +85NC extended temperature  
range.  
Ordering Information appears at end of data sheet.  
Typical Application Circuit  
APD BIAS  
R
FILTER  
3.3V  
MIRIN  
DIODE  
C
FILTER  
0.1μF  
CURRENT  
MONITOR  
I
I
/5  
MIROUT  
MIROUT  
THERMAL  
SHUTDOWN  
I /5  
MIR MIROUT  
GND  
V
OUT  
CURRENT  
LIMIT  
R
OUT  
DS3920  
MIROUT  
R
AGC  
499  
ROSA  
APD  
TIA  
For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/DS3920.related  
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1
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.  

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