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LTC1654 Datasheet(PDF) 4 Page - Linear Technology |
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LTC1654 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 16 page  4 LTC1654 1654fb Note 4: DAC switched between code 2 kL and code 16383. See Applications Information (page 11) for definition of low code kL. Note 5: Digital inputs at 0V or VCC. Note 6: Guaranteed by design. Note 7: CS/LD = 0, VOUT = 4.096V and data is being clocked in. Note 8: 100pF load capacitor. Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Nonlinearity is defined from low code kL to code 16383. See Applications Information (page 11). Note 3: Offset error is measured at low code kL. See Applications Information (page 11). ELECTRICAL CHARACTERISTICS TYPICAL PERFOR A CE CHARACTERISTICS Integral Nonlinearity (INL) vs Input Code INPUT CODE 0 0 0.5 1.0 16383 1654 G01 –0.5 –1.0 –2.0 8192 –1.5 2.0 1.5 INPUT CODE 0 0 0.5 1.0 16383 1654 G02 –0.5 –1.0 –2.0 8192 –1.5 2.0 1.5 TEMPERATURE ( °C) –55 –1.25 1.25 125 1654 G03 –2.50 –25 535 65 95 2.50 0 Differential Nonlinearity (DNL) vs Input Code Offset vs Temperature Gain Error vs Temperature Minimum Output Voltage vs Load Current (Output Sinking) Minimum Supply Headroom vs Load Current (Output Sourcing) TEMPERATURE ( °C) –55 –2.5 2.5 125 1654 G04 –5.0 –25 535 65 95 5.0 0 OUTPUT SINK CURRENT (mA) 0 0.6 0.8 1.0 10 1645 G05 0.4 0.2 0.5 0.7 0.9 0.3 0.1 0 5 15 CODE: ALL ZEROS TA = 125°C TA = 25°C TA = –55°C LOAD CURRENT (mA) 0 0.6 0.8 1.0 10 1645 G06 0.4 0.2 0.5 0.7 0.9 0.3 0.1 0 5 15 TA = 125°C CODE: ALL 1s VREFHI = 4.096V TA = 25°C TA = –55°C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Switching Characteristics (VCC = 2.7V to 5.5V) t8 SDO Output Delay CLOAD = 100pF ● 5 150 ns t9 SCK Low to CS/LD Low (Note 6) ● 15 ns t10 CLR Pulse Width (Note 6) ● 45 ns The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. Unless otherwise noted, VCC = 2.7V to 5.5V, VOUT A, VOUT B unloaded, REFHI A, REFHI B = 4.096V (VCC = 5V), REFHI A, REFHI B = 2.048V (VCC = 2.7V), REFLO = 0V, X1/X1/2 = 0V. |
Similar Part No. - LTC1654_1 |
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Similar Description - LTC1654_1 |
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