LT6203X High Temperature 175°C Dual 100MHz, Rail-to-Rail Input and Output, Ultralow 1.9nV/√Hz Noise, Low Power Op Amp FeaTuresDescripTion n Extreme High Temperature Operation: –40°C to 175°C The LT®6203X is a dual low noise, rail-to-rail input and n Low Noise Voltage: 1.9nV/√Hz (100kHz) output unity gain stable op amp that features 1.9nV/√Hz n Low Supply Current: 3mA/Amp Max noise voltage and draws only 2.5mA of supply current per n Gain Bandwidth Product: 100MHz amplifier. These amplifiers combine very low noise and n Low Distortion: –80dB at 1MHz supply current with a 100MHz gain bandwidth product, a n Low Offset Voltage: 500µV Max 25V/µs slew rate, and are optimized for low supply signal n Wide Supply Range: 2.5V to 12.6V conditioning systems. n Inputs and Outputs Swing Rail-to-Rail These amplifiers maintain their performance for supplies n Common Mode Rejection Ratio 90dB Typ from 2.5V to 12.6V and are specified at 3V, 5V and ±5V n Low Noise Current: 1.1pA/√Hz supplies. Harmonic distortion is less than –80dBc at n Output Current: 30mA Min 1MHz making these amplifiers suitable in low power data n 8-Pin SO Package acquisition systems. n Available as Dice These devices can be used as plug-in replacements for applicaTions many op amps to improve input/output range and noise n performance. Down Hole Drilling and Instrumentation n Heavy Industrial The LT6203X is a member or a growing series of high tem- n Avionics perature qualified products offered by Linear Technology®. n High Temperature Environments For a complete selection of high temperature products, n Low Noise, Low Power Signal Processing please consult our website, www.linear.com. n Active Filters n The LT6203X comes in an 8-pin SO package with standard Rail-to-Rail Buffer Amplifiers n dual op amp pinout. The LT6203X is also available as dice. Driving A/D Converters L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog n DSL Receivers Devices, Inc. All other trademarks are the property of their respective owners. n Battery Powered/Battery Backed Equipment Typical applicaTionLow Noise Differential Amplifier with Gain Adjust and Common Mode ControlLow Noise Differential Amplifier V + Frequency Response OUT R1 C1 C3 402Ω 270pF 5pF 0dB C2 R2 22pF 200Ω R7, 402Ω R10, 402Ω V – IN 6dB R3 V+ 100Ω – 12dB R9 402Ω – R4 1/2 LT6203X 402Ω + 0dB 1/2 LT6203X – R VOUT A + G = 0dB R5 TIVE DIFFERENTIAL GAIN (1dB/DIV) V+ G = 6dB 200Ω V + RELA G = 12dB IN 6dB RB 0.1µF R6 R8 RB 50k 1M 5M 100Ω 402Ω OUTPUT VCM = V+ ( ) R 12dB A + RB FREQUENCY (Hz) LT6203X TA01b LT6203X TA01a 6203xf For more information www.linear.com/LT6203X 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Applications Information Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Applications Information Package Description Typical Application Related Parts