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LTC1454CN Datasheet(PDF) 4 Page - Linear Technology |
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LTC1454CN Datasheet(HTML) 4 Page - Linear Technology |
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4 / 12 page  4 LTC1454/LTC1454L TYPICAL PERFORMANCE CHARACTERISTICS Minimum Supply Headroom for Full Output Swing vs Load Current LTC1454 Output Swing vs Load Resistance CODE 0 0.5 0.4 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0.5 1024 2048 2560 1454 G08 512 1536 3072 3584 4095 CODE 0 2.0 1.6 1.2 0.8 0.4 0 –0.4 –0.8 –1.2 –1.6 –2.0 1024 2048 2560 1454 G07 512 1536 3072 3584 4095 LOAD CURRENT (mA) 1.0 0.8 0.6 0.4 0.2 0 1454 G03 0 ∆VOUT < 1LSB REFLO = GND X1/X2 = GND CODE: ALL 1's VOUT = 4.095V 5 10 15 20 25 30 LTC1454 Minimum Output Voltage vs Output Sink Current LTC1454 Output Swing vs Load Resistance OUTPUT SINK CURRENT (mA) 1000 900 800 700 600 500 400 300 200 100 0.1 1454 G04 0 125 °C REFLO = GND X1/X2 = GND –55 °C 25 °C 5 10 15 20 25 30 LOAD RESISTANCE ( Ω) 10 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 100 1k 10k 1454 G05 RL REFLO = GND X1/X2 = GND LOAD RESISTANCE ( Ω) 10 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 100 1k 10k 1458 G06 REFLO = GND X1/X2 = GND RL VCC LTC1454 Full-Scale Voltage vs Temperature TEMPERATURE ( °C) –55 –25 5 1454 G02 95 125 4.110 4.105 4.100 4.095 4.090 4.085 4.080 35 65 TEMPERATURE ( °C) –55 –25 5 1454 G01 95 125 760 750 740 730 720 710 700 690 35 65 VCC = 5.5V VCC = 5V VCC = 4.5V LTC1454 Supply Current vs Temperature LOGIC INPUT VOLTAGE (V) 0 2.6 2.1 1.6 1.1 0.6 1.0 2.0 2.5 4.5 5.0 1454 G09 0.5 1.5 3.0 3.5 4.0 LTC1454 Supply Current vs Logic Input Voltage LTC1454 Differential Nonlinearity LTC1454 Integral Nonlinearity |
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