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LTC1458CG Datasheet(PDF) 4 Page - Linear Technology |
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LTC1458CG Datasheet(HTML) 4 Page - Linear Technology |
4 / 12 page 4 LTC1458/LTC1458L Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Nonlinearity is defined from the first code that is greater than or equal to the maximum offset specification to code 4095 (full scale). Note 3: Load is 5k Ω in parallel with 100pF. Note 4: DAC switched between all 1s and the code corresponding to VOS for the part. Note 5: Digital inputs at 0V or VCC. LTC1458 Integral Nonlinearity (INL) LTC1458 Differential Nonlinearity (DNL) 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 1458 G09 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 1458 G08 512 1536 3072 3584 4095 Minimum Supply Headroom for Full Output Swing vs Load Current LOAD CURRENT (mA) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1458 G03 0 ∆VOUT < 1LSB REFLO = GND X1/X2 = GND CODE: ALL 1's VOUT = 4.095V 5 10 15 20 25 30 Minimum Output Voltage vs Output Sink Current Output Swing vs Load Resistance 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 G05A RL REFLO = GND X1/X2 = GND DAC CODE = FFFH 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 G06A REFLO = GND X1/X2 = GND DAC CODE = OOOH RL VCC OUTPUT SINK CURRENT (mA) 1000 900 800 700 600 500 400 300 200 100 0.1 1458 G04 0 REFLO = GND X1/X2 = GND 125 °C –55 °C 25 °C 5 10 15 20 25 30 Output Swing vs Load Resistance ELECTRICAL CHARACTERISTICS TYPICAL PERFOR A CE CHARACTERISTICS |
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