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LT1787HVCMS8 Datasheet(PDF) 4 Page - Linear Technology |
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LT1787HVCMS8 Datasheet(HTML) 4 Page - Linear Technology |
4 / 16 page 4 LT1787/LT1787HV 1787fc ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the temperature range –40 °C ≤ TA ≤ 85°C, otherwise specifications are at TA = 25°C. Total supply = (VS – – VEE) = 2.5V to 36V (LT1787I), 2.5V to 60V (LT1787HVI) unless otherwise specified. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VS–, VS+ Sense Amplifier Supply Voltage Single Supply Operation (LT1787) ● 2.5 36 V Single Supply Operation (LT1787HV) ● 2.5 60 V VSENSE Input Sense Voltage Full Scale VSENSE = VS+ – VS–, VS = 10V, VBIAS = 5V, AV = 8 ±10% ● 500 mV VOS Input Offset Voltage (S8) IOUT = 0, VS Supply = 5V – 75 ±40 75 µV –40 °C ≤ TA ≤ 85°C ● – 200 200 µV IOUT = 0 (LT1787) – 100 100 µV –40 °C ≤ TA ≤ 85°C ● – 225 225 µV IOUT = 0 (LT1787HV) – 100 100 µV –40 °C ≤ TA ≤ 85°C ● – 225 225 µV Input Offset Voltage (MS8) IOUT = 0, VS Supply = 5V – 125 ±40 125 µV –40 °C ≤ TA ≤ 85°C ● – 250 250 µV IOUT = 0 (LT1787) – 150 150 µV –40 °C ≤ TA ≤ 85°C ● – 280 280 µV IOUT = 0 (LT1787HV) – 150 150 µV –40 °C ≤ TA ≤ 85°C ● – 280 280 µV VOS TC Temperature Coefficient of VOS VS Supply = 5V (Note 6) ● 0.5 2 µV/°C IOUT(O) No-Load Output Current Error VSENSE = 0V 4 nA VOUT(O) No-Load Output Voltage Error VSENSE = 0V, VS Supply = 5V –600 600 µV (S8) – 40 °C ≤ TA ≤ 85°C ● –1600 1600 µV No-Load Output Voltage Error VSENSE = 0V, VS Supply = 5V – 1000 1000 µV (MS8) – 40 °C ≤ TA ≤ 85°C ● –2000 2000 µV gm Tranconductance, IOUT/VSENSE ±VSENSE = 10mV, 50mV, 100mV, 150mV, 250mV, 400 µA/V VS Supply = Total Supply + |VSENSE| AV Gain, VOUT/VSENSE ±VSENSE = 100mV, VS Supply = 5V ● 7.76 8 8.24 V/V Output Voltage Gain Error ±VSENSE = 100mV, VS Supply = 5V ● –3 1 3 % VS PSRR VS Supply Rejection Ratio VSENSE = 0V, VS Supply = 2.5V to 36V (LT1787) ● 120 135 dB VSENSE = 0V, VS Supply = 2.5V to 60V (LT1787HV) ● 120 135 dB VEE PSRR Negative Supply Rejection Ratio VSENSE = 0V, VS Supply = 15V, VBIAS = 0V, ● 100 130 dB VEE = – 1V to – 15V (LT1787) VSENSE = 0V, VS Supply = 40V, VBIAS = 0V, ● 100 130 dB VEE = – 1V to – 15V (LT1787HV) ∆VOS Change in Input Offset Voltage VSENSE = 0V, VS Supply = 36V, VBIAS = 0.5V to 25V (LT1787) ● 100 130 dB ∆VBIAS with Change in VBIAS Voltage VSENSE = 0V, VS Supply = 60V, VBIAS = 0.5V to 25V (LT1787HV) ● 100 130 dB IS+(O) Positive Input Sense Current VSENSE = 0V ● 10 20 µA IS–(O) Negative Input Sense Current VSENSE = 0V ● 50 100 µA IEE(O) Negative Supply Current VSENSE = 0V ● 60 120 µA IOUT Output Current VSENSE = ±128mV ±50 µA VOUT Output Voltage VSENSE = ±128mV, VS + ≥ 3.3V VBIAS ±1.024 V Ripple Rejection VS + = VS– = 20V, ∆VS Supply = 1V, f = 1kHz ● 80 88 dB VOMIN Minimum Output Voltage VSENSE = 0V, VBIAS = 0V 30 45 mV VSENSE = VS+ – VS– = –128mV, VBIAS = 0V 10 mV VSENSE = 0V, VBIAS = 0V ● 30 51 mV VSENSE = VS+ – VS– = –128mV, VBIAS = 0V 10 mV |
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