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LTC1426 Datasheet(PDF) 4 Page - Linear Technology |
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LTC1426 Datasheet(HTML) 4 Page - Linear Technology |
4 / 8 page 4 LTC1426 TYPICAL PERFORMANCE CHARACTERISTICS TEMPERATURE ( °C) –40 0 100 200 300 400 500 600 –15 10 35 60 1426 G04 85 VCC = 3V VCC = 5V TEMPERATURE ( °C) –40 0 10 20 30 40 50 60 –15 10 35 60 1426 G06 85 PUSHBUTTON MODE PULSE MODE VCC = 5V Supply Current vs Temperature LOGIC INPUT VOLTAGE (V) 0 38.5 36.5 34.5 32.5 30.5 28.5 26.5 24.5 22.5 4 1426 F05 1 2 3 5 PULSE MODE PUSHBUTTON MODE TA = 25°C CLK1 AND CLK2 TIED TOGETHER Supply Current vs Logic Input Voltage PIN FUNCTIONS span. Bypass VREF to GND with an external capacitor to minimize output errors. VREF can be tied to VCC if desired. VCC (Pin 7): Voltage Supply. This supply must be kept free from noise and ripple by bypassing directly to the ground plane. SHDN (Pin 8): Shutdown. A logic low puts the chip into shutdown mode with the PWM outputs in high imped- ance. The digital settings for the DACs are retained in shutdown. CLK1 (Pin 1): Channel 1 Clock/Pushbutton Input. CLK2 (Pin 2): Channel 2 Clock/Pushbutton Input. GND (Pin 3): Ground. It is recommended that GND be tied to a ground plane. PWM1 (Pin 4): Channel 1 PWM Output. PWM2 (Pin 5): Channel 2 PWM Output. VREF (Pin 6): Voltage Reference Input. VREF powers the DAC output buffers and can be used to control the output CLK1 CLK2 tCKL0 1426 TC01 tCKHI 1426 TC02 CLK1 CLK2 tPW Pushbutton Mode Timing Pulse Mode Timing TI I G DIAGRA S Minimum Clock High Time vs Temperature |
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Similar Description - LTC1426 |
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