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LT1469-2 Datasheet(PDF) 4 Page - Linear Technology |
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LT1469-2 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 20 page  LTC2644 4 2644fa For more information www.linear.com/LTC2644 elecTrical characTerisTics 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 5) 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 IOVCC Digital Input Supply Voltage For Specified Performance l 1.71 5.5 ICC Supply Current (Note 6) VCC = 3V, Internal Reference VCC = 5V, Internal Reference l l 2.7 4.6 4 6 mA mA ICC(IOVCC) Supply Current, IOVCC (Note 6) IOVCC = 5V l 25 50 µA ISD Supply Current in Power-Down Mode (Note 6) VCC = 5V, PD = 0V l 0.5 5 µA ISD(IOVCC) Supply Current in Power-Down Mode, IOVCC (Note 6) IOVCC = 5V, PD = 0V l 0.5 5 µA 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 LTC2644-L8 LTC2644-L10 LTC2644-L12 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX DC Performance Resolution l 8 10 12 Bits Monotonicity VCC = 3V, Internal Ref. (Note 3) l 8 10 12 Bits DNL Differential Nonlinearity VCC = 3V, Internal Ref. (Note 3) l ±0.5 ±0.5 ±1 LSB INL Integral Nonlinearity VCC = 3V, Internal Ref. (Note 3) l ±0.05 ±0.5 ±0.2 ±1 ±1 ±2.5 LSB ZSE Zero-Scale Error VCC = 3V, Internal Ref., Code = 0 l 0.5 5 0.5 5 0.5 5 mV VOS Offset Error VCC = 3V, Internal Ref. (Note 4) l ±0.5 ±5 ±0.5 ±5 ±0.5 ±5 mV VOSTC VOS Temperature Coefficient VCC = 3V, Internal Ref. (Note 9) ±10 ±10 ±10 µV/°C GE Gain Error VCC = 3V, Internal Ref. l ±0.2 ±0.8 ±0.2 ±0.8 ±0.2 ±0.8 %FSR GETC Gain Temperature Coefficient VCC = 3V, Internal Ref. (Note 9) C-grade I-grade H-grade 10 10 10 10 10 10 10 10 10 ppm/°C ppm/°C ppm/°C Load Regulation Internal Ref., Mid-Scale, VCC = 3V ±10%, –5mA ≤ IOUT ≤ 5mA l 0.009 0.016 0.035 0.064 0.14 0.256 LSB/mA VCC = 5V ±10%, –10mA ≤ IOUT ≤ 10mA l 0.009 0.016 0.035 0.064 0.14 0.256 LSB/mA ROUT DC Output Impedance Internal Ref., Mid-Scale, VCC = 3V ±10%, –5mA ≤ IOUT ≤ 5mA l 0.09 0.156 0.09 0.156 0.09 0.156 Ω VCC = 5V ±10%, –10mA ≤ IOUT ≤ 10mA l 0.09 0.156 0.09 0.156 0.09 0.156 Ω LTC2644-L12/-L10/-L8 (VFS = 2.5V) |
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