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LTC6912的基本参数
  • 制造厂商:AD
  • 产品类别:可变增益放大器(VGA)
  • 技术类目:可编程增益放大器
  • 功能描述:Dual Programmable Gain Amplifiers with Serial Digital Interface
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LTC6912的产品详情:

The LTC6912 is a family of dual channel, low noise, digitally programmable gain amplifiers (PGA) that are easy to use and occupy very little PC board space. The gains for both channels are independently programmable using a 3-wire SPI interface to select voltage gains of 0, 1, 2, 5, 10, 20, 50, and 100V/V (LTC6912-1 ); and 0, 1, 2, 4, 8, 16, 32, and 64V/V (LTC6912-2). All gains are inverting.

The LTC6912 family consists of 2 matched amplifiers with rail-to-rail outputs. When operated with unity gain, they will also process rail-to-rail input signals. A half-supply reference generated internally at the AGND pin supports single power supply applications. Operating from single or split supplies from 2.7V to 10.5V total, the LTC6912-X family is offered in tiny SSOP and DFN-12 Packages.


应用
  • Data Acquisition Systems
  • Dynamic Gain Changing
  • Automatic Ranging Circuits
  • Automatic Gain Control
LTC6912的优势和特点:
  • 2 Channels with Independent Gain Control
    LTC6912-1: (0, 1, 2, 5, 10, 20, 50, and 100V/V)
    LTC6912-2: (0, 1, 2, 4, 8, 16, 32, and 64V/V)
  • Offset Voltage = 2mV Max (–40°C to 85°C)
  • Channel-to-Channel Gain Matching of 0.1dB Max
  • 3-Wire SPITM Interface
  • Extended Gain-Bandwidth at High Gains
  • Wired-OR Outputs Possible (2:1 Analog MUX Function)
  • Low Power Hardware Shutdown (GN-16 Only, 2µA Max at 2.7V)
  • Rail-to-Rail Input Range
  • Rail-to-Rail Output Swing
  • Single or Dual Supply: 2.7V to 10.5V Total
  • Input Noise: 12.6nV/√Hz
  • Total System Dynamic Range to 115dB
  • 16-Pin GN (SSOP) or 12-Pin DFN Package Options
LTC6912具体的完整产品型号参数及价格(美元):

LTC6912CDE-1#PBF,封装:12-Lead DFN (4mm x 3mm w/ EP),包装形式及数量:管装,91,工作温度:0 to 70C,AD官网报价:3.09(100-499个);2.6(1000+个)

LTC6912CDE-1#TRPBF,封装:12-Lead DFN (4mm x 3mm w/ EP),包装形式及数量:卷带,2500,工作温度:0 to 70C,AD官网报价:3.09(100-499个);2.6(1000+个)

LTC6912CDE-2#PBF,封装:12-Lead DFN (4mm x 3mm w/ EP),包装形式及数量:管装,91,工作温度:0 to 70C,AD官网报价:3.09(100-499个);2.6(1000+个)

LTC6912CDE-2#TRPBF,封装:12-Lead DFN (4mm x 3mm w/ EP),包装形式及数量:卷带,2500,工作温度:0 to 70C,AD官网报价:3.09(100-499个);2.6(1000+个)

LTC6912CGN-1#PBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:管装,100,工作温度:0 to 70C,AD官网报价:2.89(100-499个);2.43(1000+个)

LTC6912CGN-1#TRPBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:卷带,2500,工作温度:0 to 70C,AD官网报价:2.89(100-499个);2.43(1000+个)

LTC6912CGN-2#PBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:管装,100,工作温度:0 to 70C,AD官网报价:2.89(100-499个);2.43(1000+个)

LTC6912CGN-2#TRPBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:卷带,2500,工作温度:0 to 70C,AD官网报价:2.89(100-499个);2.43(1000+个)

LTC6912HGN-1#PBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:管装,100,工作温度:-40 to 125C,AD官网报价:3.54(100-499个);2.98(1000+个)

LTC6912HGN-1#TRPBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.54(100-499个);2.98(1000+个)

LTC6912HGN-2#PBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:管装,100,工作温度:-40 to 125C,AD官网报价:3.54(100-499个);2.98(1000+个)

LTC6912HGN-2#TRPBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:卷带,2500,工作温度:-40 to 125C,AD官网报价:3.54(100-499个);2.98(1000+个)

LTC6912IDE-1#PBF,封装:12-Lead DFN (4mm x 3mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 85C,AD官网报价:3.61(100-499个);3.04(1000+个)

LTC6912IDE-1#TRPBF,封装:12-Lead DFN (4mm x 3mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 85C,AD官网报价:3.61(100-499个);3.04(1000+个)

LTC6912IDE-2#PBF,封装:12-Lead DFN (4mm x 3mm w/ EP),包装形式及数量:管装,91,工作温度:-40 to 85C,AD官网报价:3.61(100-499个);3.04(1000+个)

LTC6912IDE-2#TRPBF,封装:12-Lead DFN (4mm x 3mm w/ EP),包装形式及数量:卷带,2500,工作温度:-40 to 85C,AD官网报价:3.61(100-499个);3.04(1000+个)

LTC6912IGN-1#PBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:管装,100,工作温度:-40 to 85C,AD官网报价:3.41(100-499个);2.87(1000+个)

LTC6912IGN-1#TRPBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:卷带,2500,工作温度:-40 to 85C,AD官网报价:3.41(100-499个);2.87(1000+个)

LTC6912IGN-2#PBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:管装,100,工作温度:-40 to 85C,AD官网报价:3.41(100-499个);2.87(1000+个)

LTC6912IGN-2#TRPBF,封装:16-Lead SSOP (Narrow 0.15 Inch),包装形式及数量:卷带,2500,工作温度:-40 to 85C,AD官网报价:3.41(100-499个);2.87(1000+个)

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LTC6912的评估套件:

DC861A-B:LTC6912双通道数字控制PGA/可编程数据采集测量和控制系统

DC861A-B:具有串行数字接口的LTC6912双通道可编程增益放大器演示板。


DC861A-A:LTC6912双通道数字控制PGA/可编程数据采集测量和控制系统

DC861A-A:具有串行数字接口的LTC6912双通道可编程增益放大器演示板。

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