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LT3032的基本参数
  • 制造厂商:AD
  • 产品类别:LDO 线性稳压器
  • 技术类目:正线性稳压器(LDO)
  • 功能描述:双通道、150mA、正 / 负、低噪声、低压差线性稳压器
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LT3032的产品详情:

LT3032 是一款双通道、低噪声、正和负低压差电压线性稳压器。每个稳压器可提供高达 150mA 电流和一个 300mV 的典型压差电压。每个稳压器的静态电流很低 (工作时为 30μA,而在停机模式则为 <3μA),并在压差条件下处于良好受控状态,从而使其成为电池供电型电路的较佳选择。

LT3032 另一个重要的特点是低输出噪声。给每个稳压器增设一个外部 10nF 旁路电容器,可以将输出噪声降低至 20μVRMS / 30μVRMS (在 10Hz 至 100kHz 的带宽内)。LT3032 能够在采用 2.2μF (最小值) 输出电容器时保持稳定。该稳压器不像其他稳压器所常见的那样需要额外的 ESR。

这些稳压器可提供低至 ±1.22V 基准电压的可调输出,或固定输出在 ±3.3V、±5V、±12V 和 ±15V 。内部保护电路包括反向输出保护、电流限制和热限制。 

LT3032 采用一种独特的扁平 14 引脚 4mm x 3mm x 0.75mm DFN 封装,该封装具有用于每个稳压器的裸露背部衬垫,因而实现了优质的热性能。 


应用

  • 电池供电型仪器 
  • 双极电源
  • 低噪声电源

LT3032的优势和特点:
  • 低噪声:20μVRMS (正) 和 30μVRMS (负)
  • 低静态电流:每通道 30μA 
  • 宽输入电压范围:±2.3V 至 ±20V
  • 输出电流:±150mA
  • 低停机电流:总值 <3μA (典型值)
  • 低压差电压:每通道 300mV
  • 固定输出电压: ±3.3V、±5V、±12V 和 ±15V
  • 可调输出从 ±1.22V 至 ±20V
  • 无需保护二极管
  • 采用 2.2μF 输出电容器可稳定
  • 采用陶瓷电容器、钽电容器或铝电容器可稳定
  • 可在反向输出电压条件下起动
  • 电流限制和热限制
  • 扁平 14 引脚 4mm x 3mm x 0.75mm DFN 封装

LT3032具体的完整产品型号参数及价格(美元):

LT3032EDE#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE-12#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE-12#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE-15#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE-15#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE-3.3#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE-3.3#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE-5#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032EDE-5#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.05(100-499个);2.49(1000+个)

LT3032IDE#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE-12#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE-12#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE-15#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE-15#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE-3.3#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE-3.3#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE-5#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032IDE-5#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.52(100-499个);2.87(1000+个)

LT3032MPDE#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE-12#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE-12#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE-15#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE-15#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE-3.3#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE-3.3#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE-5#PBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:管装,91,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

LT3032MPDE-5#TRPBF,封装:14-Lead DFN (4mm x 3mm x 0.75mm w/ EP),包装形式及数量:卷带,2500,工作温度:-55 to 125C,AD官网报价:8.06(100-499个);6.61(1000+个)

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LT3032的评估套件:

EVAL-ADMX1002:低失真信号发生器测量模块

ADMX1002是一款低失真正弦波和高分辨率任意波形发生器。此高性能模块展示了专有数字预失真算法,该算法将信号失真降低至可通过高性能数模转换器(DAC)和放大器实现的水平。其差分输出可设置为测试高性能模数转换器(ADC)、音频编解码器和其他音频IC和系统通常所需的共模电平。ADMX1002具有易于使用的SPI接口和小尺寸,可轻松嵌入到测试系统,或用于工作台进行测量和特性表征。

应用

高端音频测试 模数转换器特性表征和测试 传感器测试 频率响应和网络分析 ATE


DC1622A:LT3032IDE Demo Board | Dual Positive/Negative, Low Noise, Low Dropout Linear Regulator, ±2.3V ≤ VIN ≤ ±20V, VOUT = ±1.2/±3.3/±5/±12/±15V @ ±150mA

Demonstration circuit 1622A is a dual 150mA linear regulator featuring the LT3032. The LT3032 is a dual, positive and negative low dropout linear regulator. Each regulator supplies up to 150mA of output current with a typical 300mV dropout voltage. Each regulator’s quiescent current is low (<3μA total in shutdown) and well-controlled in dropout, making it an excellent choice for battery-powered circuits. A 0.01μF bypass capacitor to each regulator reduces output voltage noise to 20μVRMS (positive regulator)/30μVRMS (negative regulator) over a 10Hz to 100kHz bandwidth. The LT3032 is stable with minimum output capacitor of 2.2μF. The regulators do not require any additional ESR. Internal protection circuitry includes reverse output protection, current limiting and thermal limiting. Each regulator is offered as an adjustable output device with an output voltage range down to the ±1.22V reference voltages.


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