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LTC2611CDD датащи(PDF) 3 Page - Linear Technology |
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LTC2611CDD датащи(HTML) 3 Page - Linear Technology |
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3 / 16 page ![]() 3 LTC2601/LTC2611/LTC2621 2601f ELECTRICAL C C HARA TERISTICS The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded, unless otherwise noted. LTC2601/LTC2611/LTC2621 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS PSR Power Supply Rejection VCC = 5V ±10% –80 dB VCC = 3V ±10% q –80 dB ROUT DC Output Impedance VREF = VCC = 5V, Midscale; –15mA ≤ IOUT ≤ 15mA q 0.04 0.15 Ω VREF = VCC = 2.5V, Midscale; –7.5mA ≤ IOUT ≤ 7.5mA q 0.05 0.15 Ω ISC Short-Circuit Output Current VCC = 5.5V, VREF = 5.5V Code: Zero Scale; Forcing Output to VCC q 15 35 60 mA Code: Full Scale; Forcing Output to GND q 15 39 60 mA VCC = 2.5V, VREF = 2.5V Code: Zero Scale; Forcing Output to VCC q 7.5 20 50 mA Code: Full Scale; Forcing Output to GND q 7.5 27 50 mA Reference Input Input Voltage Range q 0VCC V Resistance Normal Mode q 88 124 160 k Ω Capacitance 15 pF IREF Reference Current, Power Down Mode DAC Powered Down q 0.001 1 µA Power Supply VCC Positive Supply Voltage For Specified Performance q 2.5 5.5 V ICC Supply Current VCC = 5V (Note 3) q 0.375 0.55 mA VCC = 3V (Note 3) q 0.30 0.45 mA DAC Powered Down (Note 3) VCC = 5V q 0.40 1 µA DAC Powered Down (Note 3) VCC = 3V q 0.10 1 µA Digital I/O VIH Digital Input High Voltage VCC = 2.5V to 5.5V q 2.4 V VCC = 2.5V to 3.6V q 2.0 V VIL Digital Input Low Voltage VCC = 4.5V to 5.5V q 0.8 V VCC = 2.5V to 5.5V q 0.6 V VOH Digital Output High Voltage Load Current = –100 µA q VCC – 0.4 V VOL Digital Output Low Voltage Load Current = +100 µA q 0.4 V ILK Digital Input Leakage VIN = GND to VCC q ±1 µA CIN Digital Input Capacitance (Note 4) q 8pF |
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