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LT1369 Datasheet(PDF) 1 Page - Linear Technology |
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LT1369 Datasheet(HTML) 1 Page - Linear Technology |
1 / 20 page 1 LT1366/LT1367 LT1368/LT1369 Dual and Quad Precision Rail-to-Rail Input and Output Op Amps DESCRIPTION s Input Common Mode Range Includes Both Rails s Output Swings Rail-to-Rail s Low Input Offset Voltage: 150 µV s High Common Mode Rejection Ratio: 90dB s High AVOL: >1V/µV Driving 10kΩ Load s Low Input Bias Current: 10nA s Wide Supply Range: 1.8V to ±15V s Low Supply Current: 375 µA per Amplifier s High Output Drive: 30mA s 400kHz Gain-Bandwidth Product s Slew Rate: 0.13V/ µs s Stable for Capacitive Loads up to 1000pF The LT ®1366/LT1367/LT1368/LT1369 are dual and quad bipolar op amps which combine rail-to-rail input and output operation with precision specifications. These op amps maintain their characteristics over a supply range of 1.8V to 36V. Operation is specified for 3V, 5V and ±15V supplies. Input offset voltage is typically 150 µV, with an open-loop gain AVOL of 1 million while driving a 10k load. Common mode rejection is typically 90dB over the full rail- to-rail input range, and supply rejection is 110dB. The LT1366/LT1367 have conventional compensation which assures stability for capacitive loads of 1000pF or less. The LT1368/LT1369 have compensation that requires a 0.1 µF output capacitor, which improves the amplifier’s supply rejection and reduces output imped- ance at high frequencies. The output capacitor’s filtering action reduces high frequency noise, which is beneficial when driving A/D converters. The LT1366/LT1368 are available in plastic 8-pin PDIP and 8-lead SO packages with the standard dual op amp pinout. The LT1367/LT1369 feature the standard quad pinout, which is available in a plastic 14-lead SO package. These devices can be used as plug-in replacements for many standard op amps to improve input/output range and precision. FEATURES s Rail-to-Rail Buffer Amplifiers s Low Voltage Signal Processing s Supply Current Sensing at Either Rail s Driving A/D Converters APPLICATIONS Positive Supply Rail Current Sense Output Saturation Voltage vs Load Current LOAD CURRENT (mA) 0.001 0.1 1 10 1366 TA02 0.01 1000 100 10 1 POSITIVE RAIL NEGATIVE RAIL , LTC and LT are registered trademarks of Linear Technology Corporation. TYPICAL APPLICATION – + 1/2 LT1366 R1 200 Ω 1366 TA01 LOAD ILOAD Rs 0.2 Ω R2 20k Q1 TP0610L VCC VO = ILOAD • RS = ILOAD • 20Ω ( ) – + 1/2 LT1366 R2 R1 |
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