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LTC1669 Datasheet(PDF) 5 Page - Linear Technology |
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LTC1669 Datasheet(HTML) 5 Page - Linear Technology |
5 / 16 page LTC1669 5 1669fa Integral Nonlinearity (INL) Differential Nonlinearity (DNL) Source and Sink Current Capability with VCC = 5V Large-Signal Step Response Midscale Glitch Load Regulation vs Output Current CODE 0 –1.0 –0.8 –0.4 –0.2 0 1.0 0.4 156 512 640 1669 G01 –0.6 0.6 0.8 0.2 28 384 768 896 1024 VREF = VCC = 5V TA = 25°C CODE 0 –1.0 –0.8 –0.4 –0.2 0 1.0 0.4 156 512 640 1669 G02 –0.6 0.6 0.8 0.2 28 384 768 896 1024 VREF = VCC = 5V TA = 25°C OUTPUT CURRENT SOURCE/SINK (mA) 01 3 3.0 4.0 5.0 4.5 3.5 2.5 1.5 0.5 8 1669 G03 2.0 1.0 0 2 4 6 57 9 10 DAC CODE = 1023 DAC CODE = 0 TA = 25°C 5 5 0 4 3 2 VOUT (VOLTS) SDA (VOLTS) 1 0 1669 G04 CODE = 990 CODE = 32 5μs/DIV VCC = 5V RL = 4.7k CL = 100pF TA = 25°C 5V 0V VOUT 10mV/DIV SDA 1669 G05 2μs/DIV VCC = 5V RL = 4.7k CL = 100pF TA = 25°C CODE = 512 TO 511 IOUT (mA) –4 –1.0 –0.8 –0.4 –0.2 0 1.0 0.4 –2 0 1 1669 G06 –0.6 0.6 0.8 0.2 –3 –1 2 3 4 VCC = VREF = 5V VOUT = 2.5V CODE = 512 TA = 25°C SOURCE SINK TYPICAL PERFORMANCE CHARACTERISTICS Load Regulation vs Output Current Offset Error Voltage vs Temperature Full-Scale Output Voltage vs Temperature IOUT (mA) –1.0 –1.0 –0.8 –0.4 –0.2 0 1.0 0.4 –0.6 –0.4 0 0.2 1669 G07 –0.6 0.6 0.8 0.2 –0.8 –0.2 0.6 0.4 0.8 1.0 VCC = VREF = 3V VOUT = 1.5V CODE = 512 TA = 25°C SOURCE SINK TEMPERATURE (°C) –60 5 4 3 2 1 0 –1 –2 –3 –4 –5 –20 20 40 1669 G08 –40 0 60 80 100 TEMPERATURE (°C) –60 2.510 2.508 2.506 2.504 2.502 2.500 2.498 2.496 2.494 2.492 2.490 –20 20 40 1669 G09 –40 0 60 80 100 REFERENCE SET TO INTERNAL BANDGAP |
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