LT1809/LT1810 Single/Dual 180MHz, 350V/µs Rail-to-Rail Input and Output Low Distortion Op Amps FEATURESDESCRIPTION n –3dB Bandwidth: 320MHz, AV = 1 The LT®1809/LT1810 are single/dual low distortion rail-to- n Gain-Bandwidth Product: 180MHz, AV ≥ 10 rail input and output op amps with a 350V/μs slew rate. n Slew Rate: 350V/μs These amplifi ers have a –3dB bandwidth of 320MHz at n Wide Supply Range: 2.5V to 12.6V unity-gain, a gain-bandwidth product of 180MHz (AV ≥ 10) n Large Output Current: 85mA and an 85mA output current to fi t the needs of low voltage, n Low Distortion, 5MHz: – 90dBc high performance signal conditioning systems. n Input Common Mode Range Includes Both Rails The LT1809/LT1810 have an input range that includes n Output Swings Rail-to-Rail both supply rails and an output that swings within 20mV n Input Offset Voltage, Rail-to-Rail: 2.5mV Max of either supply rail to maximize the signal dynamic range n Common Mode Rejection: 89dB Typ in low supply applications. n Power Supply Rejection: 87dB Typ n Open-Loop Gain: 100V/mV Typ The LT1809/LT1810 have very low distortion (–90dBc) up n Shutdown Pin: LT1809 to 5MHz that allows them to be used in high performance n Single in 8-Pin SO and 6-Pin SOT-23 Packages data acquisition systems. n Dual in 8-Pin SO and MSOP Packages The LT1809/LT1810 maintain their performance for supplies n Operating Temperature Range: –40°C to 85°C from 2.5V to 12.6V and are specifi ed at 3V, 5V and ± 5V n Low Profi le (1mm) SOT-23 (ThinSOT™) Package supplies. The inputs can be driven beyond the supplies without damage or phase reversal of the output. APPLICATIONS The LT1809 is available in the 8-pin SO package with the n Driving A/D Converters standard op amp pinout and the 6-pin SOT-23 package. n Low Voltage Signal Processing The LT1810 features the standard dual op amp pinout and n Active Filters is available in 8-pin SO and MSOP packages. These devices n Rail-to-Rail Buffer Amplifi ers can be used as a plug-in replacement for many op amps n Video Line Driver to improve input/output range and performance. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATIONDistortion vs Frequency –40 High Speed ADC Driver AV = +1 VIN = 2VP-P 5V –50 VS = ±5V 5V –60 VIN + R3 1VP-P 49.9Ω LTC®1420 12 BITS –70 LT1809 +A PGA GAIN = 1 • R IN L = 100Ω, 2ND • 10Msps REF = 2.048V – C1 • –AIN –80 470pF DISTORTION (dB) –5V R2 –90 1k 1809 TA01a RL = 100Ω, 3RD –5V RL = 1k, 3RD –100 R1 R 1k L = 1k, 2ND –110 0.3 1 10 30 FREQUENCY (MHz) 1809 TA01b 180910fa 1
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