Datasheet LT1008 (Analog Devices) - 5

制造商Analog Devices
描述Picoamp Input Current, Microvolt Offset, Low Noise Op Amp
页数 / 页16 / 5 — FREQUE CY CO PE SATIO CIRCUITS. Standard Compensation Circuit. Alternate* …
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FREQUE CY CO PE SATIO CIRCUITS. Standard Compensation Circuit. Alternate* Frequency Compensation

FREQUE CY CO PE SATIO CIRCUITS Standard Compensation Circuit Alternate* Frequency Compensation

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LT1008
U W U U FREQUE CY CO PE SATIO CIRCUITS Standard Compensation Circuit Alternate* Frequency Compensation
R1 R2 R1 R2 –VIN –VIN *IMPROVES REJECTION OF POWER SUPPLY NOISE BY A FACTOR OF 5 **BANDWIDTH AND SLEW RATE 2 – ARE PROPORTIONAL TO 1/C 2 – **BANDWIDTH AND SLEW RATE ARE F PROPORTIONAL TO 1/CS 6 6 LT1008 VOUT LT1008 VOUT R3 3 + 8 3 + +VIN R1C +VIN O 8 C 1 F ≥ R1 + R2 CS** CO = 30pF 100pF C 1008 FCC02 F** 1008 FCC01 R2 FOR > 200, NO EXTERNAL FREQUENCY COMPENSATION IS NECESSARY R1
W U TYPICAL PERFOR A CE CHARACTERISTICS Offset Voltage Drift vs Source Offset Voltage vs Source Resistance (Balanced or Resistance (Balanced or Input Bias Current vs Unbalanced) Unbalanced) Common Mode Range
°C) 100 10 60 μV/ VS = ±15V VS = ±15V TA = 25°C TA = 25°C 40 DEVICE WITH POSITIVE INPUT CURRENT 10 1 20 RINCM = 2 × 1012Ω 0 MAXIMUM DEVICE WITH NEGATIVE INPUT CURRENT MAXIMUM 1 0.1 –20 – IB + INPUT BIAS CURRENT (pA) INPUT OFFSET VOLTAGE (mV) TYPICAL VCM TYPICAL –40 0.1 0.01 –60 1k 10k OFFSET VOLTAGE DRIFT WITH TEMPERATURE ( 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M –15 –10 – 5 0 5 10 15 SOURCE RESISTANCE (Ω) SOURCE RESISTANCE (Ω) COMMON MODE INPUT VOLTAGE (V) 1008 G01 1008 G02 1008 G03
Offset Voltage Drift with Long-Term Stability of Four Temperature of Four Warm-Up Drift Representative Units Representative Units
5 10 60 VS = ±15V T 8 A = 25°C 40 μV) 4 μV) 6 4 μV) 20 3 2 0 0 2 –2 METAL CAN (H) PACKAGE –20 –4 DUAL-IN-LINE PACKAGE OFFSET VOLTAGE ( 1 PLASTIC (N) OR CERDIP (J) –6 –40 CHANGE IN OFFSET VOLTAGE ( CHANGE IN OFFSET VOLTAGE ( –8 0 –10 –60 0 1 2 3 4 5 0 1 2 3 4 5 –50 –25 0 25 50 75 100 125 TIME AFTER POWER ON (MINUTES) TIME (MONTHS) TEMPERATURE (°C) 1008 G04 1008 G05 1008 G06 1008fb 5