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LTC2637-HMX12 Datasheet(PDF) 5 Page - Linear Technology |
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LTC2637-HMX12 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 28 page  LTC2637 5 2637fb ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VOUT unloaded unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOUT DAC Output Span External Reference Internal Reference 0 to VREF 0 to 2.5 V V PSR Power Supply Rejection VCC = 3V±10% or 5V±10% –80 dB ISC Short Circuit Output Current (Note 6) Sinking Sourcing VFS = VCC = 5.5V Zero-Scale; VOUT shorted to VCC Full-Scale; VOUT shorted to GND l l 27 –28 48 –48 mA mA Power Supply VCC Positive Supply Voltage For Specified Performance l 2.7 5.5 V ICC Supply Current (Note 7) VCC = 3V, VREF =2.5V, External Reference VCC = 3V, Internal Reference VCC = 5V, VREF =2.5V, External Reference VCC = 5V, Internal Reference l l l l 0.8 0.9 0.9 1 1.1 1.3 1.3 1.5 mA mA mA mA ISD Supply Current in Power-Down Mode (Note 7) VCC = 5V, C-Grade, I-Grade VCC = 5V, H-Grade l l 1 1 20 30 μA μA LTC2637-LMI12/ LTC2637-LMI10/ LTC2637-LMI8/ LTC2637-LMX12/ LTC2637-LMX10/ LTC2637-LMX8/ LTC2637-LZ12/ LTC2637-LZ10/ LTC2637-LZ8 (VFS = 2.5V) SYMBOL PARAMETER CONDITIONS LTC2637-8 LTC2637-10 LTC2637-12 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX Resolution l 8 10 12 Bits Monotonicity VCC = 3V, Internal Reference (Note 4) l 8 10 12 Bits DNL Differential Nonlinearity VCC = 3V, Internal Reference (Note 4) l ±0.5 ±0.5 ±1 LSB INL Integral Nonlinearity VCC = 3V, Internal Reference (Note 4) l ±0.05 ±0.5 ±0.2 ±1 ±1 ±2.5 LSB ZSE Zero-Scale Error VCC = 3V, Internal Reference, Code = 0 l 0.5 5 0.5 5 0.5 5 mV VOS Offset Error VCC = 3V, Internal Reference (Note 5) l ±0.5 ±5 ±0.5 ±5 ±0.5 ±5 mV VOSTC VOS Temperature Coefficient VCC=3V, Internal Reference ±10 ±10 ±10 μV/°C GE Gain Error VCC = 3V, Internal Reference l ±0.2 ±0.8 ±0.2 ±0.8 ±0.2 ±0.8 %FSR GETC Gain Temperature Coefficient VCC = 3V, Internal Reference (Note 10) C-Grade I-Grade H-Grade 10 10 10 10 10 10 10 10 10 ppm/°C ppm/°C ppm/°C Load Regulation Internal Reference, Mid-Scale, VCC = 3V±10%, –5mA ≤ IOUT ≤ 5mA VCC = 5V±10%, (Note 15) –10mA ≤ IOUT ≤ 10mA l l 0.009 0.009 0.016 0.016 0.035 0.035 0.064 0.064 0.14 0.14 0.256 0.256 LSB/mA LSB/mA ROUT DC Output Impedance Internal Reference, Mid-Scale, VCC = 3V±10%, –5mA ≤ IOUT ≤ 5mA VCC = 5V±10%, (Note 15) –10mA ≤ IOUT ≤ 10mA l l 0.09 0.09 0.156 0.156 0.09 0.09 0.156 0.156 0.09 0.09 0.156 0.156 Ω Ω |
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