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LTC2624 Datasheet(PDF) 3 Page - Linear Technology |
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LTC2624 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 16 page  LTC2604/LTC2614/LTC2624 3 2604fd SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS PSR Power Supply Rejection VCC = 5V ±10% VCC = 3V ±10% –80 –80 dB dB ROUT DC Output Impedance VREF = VCC = 5V, Midscale; –15mA ≤ IOUT ≤ 15mA VREF = VCC = 2.5V, Midscale; –7.5mA ≤ IOUT ≤ 7.5mA l l 0.025 0.030 0.15 0.15 Ω Ω DC Crosstalk (Note 4) Due to Full Scale Output Change (Note 5) Due to Load Current Change Due to Powering Down (per Channel) ±5 ±1 ±3.5 μV μV/mA μV ISC Short-Circuit Output Current VCC = 5.5V, VREF = 5.5V Code: Zero Scale; Forcing Output to VCC Code: Full Scale; Forcing Output to GND l l 15 15 34 36 60 60 mA mA VCC = 2.5V, VREF = 2.5V Code: Zero Scale; Forcing Output to VCC Code: Full Scale; Forcing Output to GND l l 7.5 7.5 18 24 50 50 mA mA Reference Input Input Voltage Range l 0VCC μA Resistance Normal Mode l 88 128 160 kΩ Capacitance 14 pF IREF Reference Current, Power Down Mode All DACs Powered Down l 0.001 1 μA Power Supply VCC Positive Supply Voltage For Specified Performance l 2.5 5.5 V ICC Supply Current VCC = 5V (Note 3) VCC = 3V (Note 3) All DACs Powered Down (Note 3) VCC = 5V All DACs Powered Down (Note 3) VCC = 3V l l l l 1.3 1 0.35 0.10 2 1.6 1 1 mA mA μA μA Digital I/O VIH Digital Input High Voltage VCC = 2.5V to 5.5V VCC = 2.5V to 3.6V l l 2.4 2.0 V V ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. REF A = REF B = REF C = REF D = 4.096V (VCC = 5V), REF A = REF B = REF C = REF D = 2.048V (VCC = 2.5V), REF LO = 0V, VOUT unloaded, unless otherwise noted. (Note 10) SYMBOL PARAMETER CONDITIONS LTC2624/LTC2624-1 LTC2614/LTC2614-1 LTC2604/LTC2604-1 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX Load Regulation VREF = VCC = 5V, Midscale IOUT = 0mA to 15mA Sourcing IOUT = 0mA to 15mA Sinking l l 0.025 0.025 0.125 0.125 0.1 0.1 0.5 0.5 0.3 0.3 2 2 LSB/mA LSB/mA VREF = VCC = 2.5V, Midscale IOUT = 0mA to 7.5mA Sourcing IOUT = 0mA to 7.5mA Sinking l l 0.05 0.05 0.25 0.25 0.2 0.2 1 1 0.7 0.7 4 4 LSB/mA LSB/mA ZSE Zero-Scale Error l 1.5 9 1.5 9 1.5 9 mV VOS Offset Error (Note 7) l ±1.5 ±9 ±1.5 ±9 ±1.5 ±9 mV VOS Temperature Coefficient ±5 ±5 ±5 μV/°C GE Gain Error l ±0.1 ±0.7 ±0.1 ±0.7 ±0.1 ±0.7 %FSR Gain Temperature Coefficient ±5 ±5 ±5 ppm/°C The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. REF A = REF B = REF C = REF D = 4.096V (VCC = 5V), REF A = REF B = REF C = REF D = 2.048V (VCC = 2.5V), REF LO = 0V, VOUT unloaded, unless otherwise noted. (Note 10) |
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