LT1639 Linear Technology, LT1639 Datasheet
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LT1639
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LT1639 Summary of contents
Page 1
... PDIP and SO packages as well as the 8-lead MSOP package. The LT1639 is a low power quad rail-to-rail input and output operational amplifier offered on the standard 14-pin PDIP and surface mount packages. ...
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... LT1639 N, S Packages – LT1638C MS8 Package – LT1638/LT1639 N, S Packages LT1638CMS8 V = 44V (Note 4) CM TOP VIEW OUT OUT D – – +IN A ...
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... – 100 A per Amplifier 1kHz – – – LT1638/LT1639 MIN TYP MAX UNITS 0 P-P 20 nV/ Hz 0.3 pA 2.5 M 1.4 5 ...
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... This depends on the power supply voltage and how many amplifiers are shorted. Note 3: The LT1638C/LT1639C are guaranteed to meet specifications and are designed, characterized and expected to meet the extended temperature limits, but are not tested at – and 85 C. ...
Page 5
... SINKING LOAD CURRENT (mA) 1638/39 G05 Noise Voltage Density vs Frequency 100 1k FREQUENCY (Hz) 1638/39 G09 LT1638/LT1639 Input Bias Current vs Common Mode Voltage 10000 8000 6000 T = – 125 –20 – ...
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... LT1638/LT1639 W U TYPICAL PERFORMANCE CHARACTERISTICS Gain and Phase Shift vs Frequency 2. PHASE GAIN –10 – 100 1000 FREQUENCY (kHz) 1638/39 G12 Gain Bandwidth Product and Phase Margin vs Supply Voltage 1500 60 1400 50 PHASE MARGIN 1300 40 GAIN BANDWIDTH 1200 ...
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... 0.5V TO 2. 0.2V TO 2.2V IN 0.001 0 LOAD RESISTANCE TO GROUND (k ) Large-Signal Response V = 15V LT1638/LT1639 Undistorted Output Swing vs Frequency 35 DISTORTION 15V 2. 10000 0.1 1 FREQUENCY (kHz) 1638/39 G22 Total Harmonic Distortion + Noise vs Output Voltage ...
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... Inputs The LT1638/LT1639 have two input stages, NPN and PNP (see the Simplified Schematic), resulting in three distinct operating regions as shown in the Input Bias Current vs Common Mode typical performance curve ...
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... U TYPICAL APPLICATIONS With 1.2MHz bandwidth, Over-The-Top capability, re- verse-battery protection and rail-to-rail input and output features, the LT1638/LT1639 are ideal candidates for general purpose applications. The lowpass slope limiting filter in Figure 1 limits the maximum dV/dT (not frequency) that it passes. When the input signal differs from the output by one forward diode drop will turn on ...
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... LT1638/LT1639 U TYPICAL APPLICATIONS proportional to the load current convenient monitor, the 2k load resistor converts the current into a voltage. The + positive supply rail not limited to the 5V supply of the op amp and could be as high as 44V 200 5V 0.2 + 1/2 LT1638 200 – I LOAD LOAD )(I ...
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... MIN 0.100 0.010 (2.540 0.254) S Package 14-Lead Plastic Small Outline (Narrow 0.150) (LTC DWG # 05-08-1610) 0.004 – 0.010 (0.101 – 0.254) 0.228 – 0.244 (5.791 – 6.197) 0.050 (1.270) TYP LT1638/LT1639 0.400* (10.160) MAX 0.255 0.015* (6.477 0.381 ...
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... Independent of V and is converted into a voltage. Amp G . The scale factor for LOGIC 1/4 LT1639 – LOGIC HIGH (5V) = CHARGING LOGIC LOW (0V) = DISCHARGING + OUT 1/4 LT1639 10k – 90.9k 1638/39 F05 5V 500V/ 400kHz GBW OS(MAX) VOL(MIN) Extends 44V above V , ...