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LTC2920-1IS5 Datasheet(PDF) 3 Page - Linear Technology |
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LTC2920-1IS5 Datasheet(HTML) 3 Page - Linear Technology |
3 / 16 page LTC2920-1/LTC2920-2 3 292012fa ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IIMACCURACY Low Range Current Accuracy 100 μA ≤ ⏐IM⏐ ≤ 167μA, (Note 6) C-Grade ● 3 7.5 % I-Grade ● 313 % 30 μA ≤ ⏐IM⏐ < 100μA, (Note 6) C-Grade ● 511 % I-Grade ● 515 % 5 μA ≤ ⏐IM⏐ < 30μA, (Note 6) C-Grade ● 520 % I-Grade ● 525 % High Range Current Accuracy 1.5mA ≤ ⏐IM⏐ ≤ 2mA, (Note 7) C-Grade ● 3 7.5 % I-Grade ● 311 % 600 μA ≤ ⏐IM⏐ ≤ 1.5mA, (Note 7) C-Grade ● 511 % I-Grade ● 515 % 150 μA ≤ ⏐IM⏐ ≤ 600μA, (Note 7) C-Grade ● 515 % I-Grade ● 520 % IOZ IM1, IM2 Leakage Current ● 100 nA CIM Equivalent Capacitance At IM1, IM2 VIN = VOFF, (Note 5) 10 pF VIN = VIL, High Range, (Note 5) 2 nF VIN = VIL, Low Range, (Note 5) 30 pF Control Inputs IN1, IN2 VIH Control Voltage for IM Current Sinking VCC < 2.5V ● 2.1 V VCC ≥ 2.5V ● 2.4 V VIL Control Voltage for IM Current Sourcing ● 0.6 V VOFF Control Voltage for IM Current Off ● 1.1 1.4 V VOZ Control Voltage when Left Floating 1.2 V RIN IN1, IN2 Input Resistance ● 512 20 k Ω IFLT Maximum Allowed Leakage at IN1, IN2 ● –10 10 μA for IM Current Off Switching Characteristics VIN(DELAYON) IM1, IM2 Turn-On Time VIN Transitions from VOFF to ● 15 100 μs VIH or VIL VIN(DELAYOFF) IM1, IM2 Turn-Off Time VIN Transitions from ● 15 100 μs VIH or VIL to VOFF IM(ON) IM1 Rise Time ⏐IM⏐ 5% to 95%, (Note 5) 5 μs IM(OFF) IM1 Fall Time ⏐IM⏐ 95% to 5%, (Note 5) 0.3 μs Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: VCC must always be above the maximum of IM1 and IM2 less 0.2V. See Preventing Potential Power Supply Overvoltages in the Applications Information section. Note 3: VM compliance is the voltage range within which IM1 and IM2 are guaranteed to be sourcing or sinking current. IM accuracy will vary within this range. Note 4: Consult LTC Marketing for parts specified with wider IM current limits. Note 5: Determined by design, not production tested. Note 6: ⏐1 – (IM – RS)⏐ • 100%; VCC ≤ 4V: 0.58 ≤ VM ≤ (VCC – 1.1); VCC > 4V: 0.58 ≤ VM ≤ (VCC – 1.4); CRS ≤ 20pF Note 7: ⏐1 – (IM • RS / 30)⏐ • 100%; 0.79 ≤ VM ≤ (VCC – 0.6); CRS ≤ 20pF |
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