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TCA6507,pdf(Low-Voltage 7-Bit

消耗积分:2 | 格式:rar | 大小:735 | 2010-08-08

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特性

  • Seven LED Driver Outputs: On, Off, Blinking, Fading at Programmable Rates
  • Open-Drain Outputs Directly Drive LEDs to 40 mA Max
  • Can Be Configured Into Two Independent Banks of LED Drivers
  • Widely Programmable Blink Rates, Fade-On and Fade-Off Rates and Maximum Intensity
  • LED Intensity Set Using Pulse Width Modulation (PWM)
  • Outputs Not Used as LED Drivers Can Be Used as Regular General-Purpose Open-Drain Outputs
  • 16 Steps of Maximum Intensity Control from Fully-Off to Fully-On States
  • 256 Intensity Levels During Fade-On or Fade-Off for Smooth Perceived Transition
  • Operating Power-Supply Voltage Range of 1.65 V to 3.6 V
  • EVM Available
  • Schmitt-Trigger Action Allows Slow Input Transition and Better Switching Noise Immunity at the Inputs
    • Vhys = 0.18 V Typ at 1.8 V
    • Vhys = 0.25 V Typ at 2.5 V
    • Vhys = 0.33 V Typ at 3.3 V
  • 5.5-V Tolerant Open-Drain Outputs
  • Low Standby Current with Shutdown Capability for Additional Power Savings
  • Internal Power-On Reset
  • Internal Oscillator Requires No External Components
  • Programmed Through I2C Bus Interface Logic Compatible With SMBus
  • 400-kHz Fast I2C Bus
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