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参数资料
| 型号： | DS3920T-002+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/7页 |
| 文件大小： | 1204K |
| 描述： | IC CURRENT MIRROR 5:1 SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 电流镜像 |
| 输入电压： | 2.97 V ~ 76 V |
| 电流 - 输出： | 4.4mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
DS3920
Fast Current Mirror
Typical Application Circuit
19-5797; Rev 2; 12/11
General Description
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.
The device accepts a +2.97V to +76V current mirror
supply voltage. Internal current limiting (4.4mA 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.
The device is available in a 6-pin SOT23 package, and
operates over the -40NC to +85NC extended temperature
range.
Features
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 (4.4mA or 20mA, typ)
S Voltage Clamp Protects Subsequent Output Circuitry
S 6-Pin SOT23 (MAX4007 Compatible)
Applications
Avalanche Photodiode (APD) Biasing
PIN Photodiode Monitoring
GEPON, GPON, 10GEPON, XGPON: ONU and OLT
Ordering Information appears at end of data sheet.
For related parts and recommended products to use with this part, refer to: www.maximintegrated.com/DS3920.related
DS3920
I
MIROUT
I
MIROUT
/5
THERMAL
SHUTDOWN
CURRENT
MONITOR
CURRENT
LIMIT
MIROUT
MIRIN
DIODE
3.3V
APD BIAS
MIR
I
MIROUT
/5
APD
ROSA
GND
V
OUT
R
AGC
499&
C
FILTER
0.1F
R
OUT
1k&5k&
R
FILTER
100&1000&
TIA
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrateds website at www.maximintegrated.com.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3922T+ | 制造商:Maxim Integrated Products 功能描述:ADV APD MIRROR W/INT FET & STAT OUT - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC CURRENT MIRROR TQFN |
| DS3923T+ | 制造商:Maxim Integrated Products 功能描述:RSSI SAMPLE/HOLD AND CURRENT MIRROR - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC CURRENT MIRROR TQFN |
| DS3930 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Hex Nonvolatile Potentiometer with I/O and Memory |
| DS3930E | 功能描述:数字电位计 IC RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| DS3930E/T&R | 制造商:Maxim Integrated Products 功能描述:HEX NV POT WITH I/O & MEM T&R - Tape and Reel |
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