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LTC1427-50技术文档下载:
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LTC1427-50 - 典型应用图例:
LTC1427-50典型应用图例一
LTC1427-50 - 封装图解:
LTC1427-50封装图解一
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Linear产品 - LTC1427-50介绍
LTC1427-50 - LTC1427-50是Micropower, 10-Bit Current Output DAC with SMBus Serial Interface

LTC1427-50是Linear公司的一款特别功能 DAC产品,LTC1427-50是Micropower, 10-Bit Current Output DAC with SMBus Serial Interface,本站介绍了LTC1427-50的封装应用图解、特点和优点、功能等,并给出了与LTC1427-50相关的凌力尔特元器件型号供参考。

LTC1427-50 - Micropower, 10-Bit Current Output DAC with SMBus Serial Interface

LTC1427-50 - Micropower, 10-Bit Current Output DAC with SMBus Serial Interface - Linear Technology(凌力尔特)

功能描述
The LTC1427-50 is a micropower, 10-Bit current output DAC with an output range of 0µA to 50µA. The DAC output is guaranteed monotonic and DNL is less than 0.9LSB under all operating conditions. Full-scale accuracy is ±2.5% over the commercial temperature range. The LTC1427-50 operates with power supply voltages from 2.7V to 5.5V and the DAC current source output can be biased from (VCC – 1.3V) to –15V. The LTC1427-50 communicates with external circuitry by using the SMBus serial interface. It acts as an SMBus slave device using one of four selectable SMBus addresses set by the two address pins AD0 and AD1 . On power-up, the DAC output assumes midrange or zero scale, depending on the logic state of the two address pins. The LTC1427-50 can be shut down through the SHDN pin or by setting the SHDN bit = 1 in the SMBus command byte. Digital data for the DAC output is retained internally and the supply current drops to 10µA typically when in shutdown. The LTC1427-50 is available in an 8-pin SO package.

特点
  • Precision 50µA, ±1.5% Initial Full-Scale Output Current, ±2.5% Over Temperature
  • Wide Output Voltage DC Compliance: –15V to (VCC – 1.3V)
  • Wide Supply Range: 2.7V </= VCC </= 5.5V
  • Supply Current in Shutdown: 10µA Typ
  • Low Supply Current: 115µA Typ
  • Available in 8-Pin SO
  • SMBus Serial Interface
  • Four Selectable SMBus Addresses
  • DAC Powers Up at Zero or Midscale
  • DAC Contents Are Retained in Shutdown
  • 应用
  • LCD Contrast and Backlight Brightness Control
  • Power Supply Voltage Adjustment
  • Battery Charger Voltage/Current Adjustment
  • GaAs FET Bias Adjustment
  • Trimmer Pot Elimination
  • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格(美元)
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LTC1427CS8-50 SO-8 C $3.60 $3.00
    LTC1427CS8-50#PBF SO-8 C $3.60 $3.00
    LTC1427CS8-50#TR SO-8 C $3.06
    LTC1427CS8-50#TRPBF SO-8 C $3.06
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