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The Following Circuits match the search criteria selected above.
Type K Thermocouple Signal Conditioner with ±350V Protection from Accidental Contact and Cold Junction Compensation –48V Low Side Precision Current Sense “Classic” High-Precision Low Side Current Sense ±120V Output Precision Op Amp ±250V Common Mode Range Difference Amplifier (AV = 1) ±5V Precision Instrumentation Amplifier 0.01% Voltage To Frequency Converter 0A to 2A Current Source 1.8V, 140uA, 100kHz, Lowpass Filter (Single-Ended Input and Differential Output) 10°C to 40°C Thermistor Thermometer 100dB Range Logarithmic Photodiode Amplifi er 133MHz Differential Amplifier with External Gain Setting Resistors, Impedance Matching to a 75Ω Source and Shifting from 2.5V to 1.25V 13uA, 0kHz to 10kHz Voltage to Frequency Converter 16-Bit Resolution Unidirectional Current Sense into LTC2433 ADC 1Hz to 100MHz Voltage to Frequency Converter Has 160dB Dynamic Range, Runs From 5V Supply 1Hz to 10kHz Voltage to Frequency Converter 2-Wire Thermistor 0°C to 100°C Temperature Transducer with 4mA to 20mA Output 2:1 RGB Multiplexer and Cable Driver 2.7V to 5.5V Precision High Side Current Sense 2.7V to 5.5V Ultra High Precision Current Sense 3.3V Baseband Video Splitter/Cable Driver (DC Coupled) Clamped AC-Input Video Cable Driver 3.3V Single Supply LT6551 RGB Plus SYNC Cable Driver (DC Coupled) Micropower Integrating Current Sense 4 - 20mA Loop Transmitter 4:1 RGB Multiplexer 400MHz, 5V Single Supply Video Driver (AC Coupled) 40nVpp Noise, 0.05uV/C Drift, Chopped FET Amplifier 48V Supply Current Monitor with Isolated Output and 105V Survivability 50MHz Thermistor RMS to DC Converter Using 5V Supply 50MHz Thermistor RMS to DC Converter using a dual switched capacitor instrumentation building block 5V Powered Thermistor Heating/Cooling Automatic Thermostat 5V Powered, Linearized Platinum RTD 0°C to 400°C ±0.05°C Signal Conditioner 5V Powered, Quartz-Stabilized 10kHz Voltage to Frequency Converter has 0.0015% Linearity and 8ppm/°C Temperature Coefficient 60Hz Notch Filter 700kHz, 1MΩ Single Supply Photodiode Amplifier 85V, –100V Common Mode Range Instrumentation Amplifier (AV = 10) Absolute Value Circuit (Full-Wave Rectifier) AC Current Measurement Accelerometer Amplifier with DC Servo Accelerometer Signal Conditioner Acoustic Thermometry Measures Temperature To 0.1 Degree ADC Driver With Single-Ended Input to Differential Output All-In-One Twisted-Pair Video Line Receiver, Cable Equalizer, and Display Driver Analog Divider APD DC Coupled Current Monitor from 20V to 90V APD Bias Armature Current Monitor for DC Motor Applications Audio Amplitude Compressor Autoranging True RMS-to-DC Converter Balanced Frequency Converter (Suitable for Frequencies up to 50kHz) Battery Powered (Li-Ion) Platinum RTD Signal Conditioner with Curvature Correction Bidirectional Battery-Current Monitor Bidirectional Current Sense Circuit with Separate Charge/Discharge Output Bidirectional Current Source Bidirectional H-Bridge Monitoring with ADC-Friendly Differential Output Bidirectional H-Bridge Monitoring with Single-Ended Output Bipolar Input (AC) V/F Converter Bipolar, Ground Referenced, Single-Ended Signal Interface To Unipolar, Differential Input ADC Buffered Input Multiplexer/ADC Driver Buffered RGB to Color-Difference Matrix Cable Sense Amplifier for Loop Through Connections with DC Adjust Circuit Fault Protection with Latching Load Disconnect and Early Warning Indication Circuit Fault Protection with Very Fast Latching Load Disconnect Clock Tunable, Filter Based Sine Wave Generator Clock Tuned, Highly Selective Notch Filter Current Output, High Speed, High Input Impedance Instrumentation Amplifi er DC Accurate Composite Amplifier DC Stabilized 1000uV/msec Op Amp Dead Zone Generator Difference Amplifier Differential Bridge Amplifier Differential Bridge Amplifier with Gain Programmed through the Serial Interface and Analog to Digital Conversion (Standby Current Less than 100μA) Dual Buffered ±0.617V Reference Powered by Two AA Batteries Dual Limit Microvolt Comparator Dual Output, Buffered Reference (On Single 3V Supply) Eight Decade Current Sensing Log Amplifier Energy-Tripped Circuit Breaker Trips After a Time Interval That Varies as a Function of Sensed Load Current Exponential Voltage-to-Frequency Converter for Music Synthesizers Fast, 16-Bit Current Comparator Full-Bridge Load Current Monitor Gain 1000 Amplifier with 0.01% Accuracy, DC to 5Hz Gamma Correction Amplifier Ground Referred Precision Current Sources Half-Wave Rectifier High Resolution Battery-Powered Robust Type K Thermocouple Signal Conditioning Amplifier with Cold Junction Compensation High Side Current Sense and Fuse Monitor High Speed RGB to YPBPR Converter High Voltage/Current and Temperature Monitoring High-Side Transimpedance Amplifier & APD Monitor Humidty Sensor To Data Aquisition System Interface Input Video Selector and ADC Driver for Multimedia Display System Instrumentation Amplifier with ±300V Common Mode Range and CMRR > 150dB Instrumentation Amplifier with Shield Driver Isolated Power Line Monitor with 0.5% Accuracy Over 90VAC to 130VAC Input Kelvin-Sensed Temperature Sensor Amplifier for –50°C to 150°C Platinum RTD from 10V Reference Large Area Photodiode Bootstrapping Lead-Acid Low-Battery Detector with System Shutdown Linear Thermometer Linearized Platinum Resistance Thermometer with ±0.025°C Accuracy Over 0 to 100°C Logging Photodiode JFET Amplifier with 1pA Input Bias Current Low Distortion, Crystal Stabilized Oscillator Low Noise 1M Trans-Impedance Amplifier Low Noise AC Amplifier with Programmable Gain and Bandwidth Low Noise AC Difference Amplifier Low Noise Fully Differential Buffer/Amplifier Low Noise Hydrophone Amplifier with DC Servo Low Noise Hydrophone Amplifier with DC Servo Low Noise Hydrophone Amplifier with DC Servo Low Noise Hydrophone Amplifier with DC Servo Low Noise Low Power DC Accurate Single Supply Photodiode Amplifier Low Noise Non-Inverting Shock Sensor Amplifier Low Noise, Low Power Photodiode Amplifier Low Noise, Low Power Photodiode Amplifier With DC Precision Low Noise, Wideband, Gain = 100 Amplifi er with High Input Impedance Low Power Comparator with <10uV Hysteresis Low Power, Bidirectional 60V Precision Hi Side Current Sense Low Side Current Sense LVDT Signal Conditioning Megaohm Input Impedance Gain of 10 Difference Amplifier Micropower 1MHz V/F Converter Micropower Dead Zone Generator Micropower Multiplier/Divide Micropower Photodiode Amplifier Micropower Thermocouple Signal Conditioner with Cold Junction Compensation Micropower, 10ppm/°C, ±5V Reference Microvolt Compararator with TTL Output Microvolt Comparator with Hysteresis Overcurrent and Undervoltage Battery Fault Protection Overcurrent Battery Fault Protection Paralleled Voltage Regulators with Balanced Load Sharing Paralleling Amplifiers to Reduce Noise pH Probe Amplifier Photodiode Amplifier Picoampere Input Current, Triple Op Amp Instrumentation Amplifier with Bias Current Cancellation Piezoelectric Shock Sensor Amplifier Pilot Light Flame Detector with Low-Battery Lockout using a Type R Thermocouple Platinum RTD Signal Conditioner with Curvature Correction Platinum RTD Signal Conditioner with Curvature Correction Positive Supply Rail Current Sense With Over-the-Top Op Amp Precision ±10V Reference Precision Absolute Value Circuit Precision Amplifier Drives 500ohm Load to ±10V Precision Current Sink Precision Current Source Precision Ground Referenced Voltage Controlled Current Source Precision Nanoamp Bidirectional Current Source Precision Photodiode Amplifier Precision Sample and Hold Amplifier Precision Single-Ended to Differential Conversion Precision Voltage Controlled Current Source Programmable Gain Amplifier (Single Supply) Pulse Generator Has 0ns to 10ns Width, 520ps Transitions Rail-to-Rail 1MHz Pulse Width Modulator Reduced Power Infra-Red Diode Driver Reference Buffer Reference Divide by 4 Reference Divider with Op Amp Input Bias Current Balancing Relative Humidity Sensor RGB to YPBPR Component-Video Conversion RGB Video Inverter S-Video Splitter (AC Coupled) Saturated Standard Cell Amplifier Self Buffered Micropower Reference Self-Powered High Side Current Sense Shock Sensor Amplifier (Accelerometer) Simple 500V High Side Current Monitor Simple Bidirectional DC Motor Speed Controller Simple Bidirectional DC Motor Speed Controller Without a Tachometer Simplified DC Motor Torque Control Single 2.7V Supply 4MHz 4th Order Lowpass Butterworth Filter Single 2.7V to 20V Supply Current Source for –50°C to 600°C Platinum RTD Single 5V Supply Precision Linearized 0°C to 400°C Platinum RTD Signal Conditioner Single Battery, Micropower, Gain = 100, Instrumentation Amplifier Single Ended Input-Differential Output Amplifier Single Ended To Differential Transimpedance Amplifier Single Supply Strain Gauge Amplifier Single Supply Type K Thermocouple Signal Conditioning Amplifier with Cold Junction Compensation Single Supply Video Line Driver (AC Coupled) Single Supply, 1.5nVrtHz, Photodiode Amplifier Single Supply, Micropower Sample and Hold Single Supply, Micropower, Second Order Lowpass Filter with 60Hz Notch Single-Ended to Differential Converter with Gain of +2 and Common Mode Control Small Area Photodiode in Normal TIA Configuration Solenoid Current Monitor for Ground Tied Solenoid Solenoid Current Monitoring Split or Single Supply Operation, Bidirectional Output into A/D Stepped Gain Photodiode Amplifier Strain Gauge Signal Conditioner with Bridge Excitation Strain Gauge Signal Conditioner with Bridge Excitation Super Low Distortion Variable Sine Wave Oscillator Super-Simple Coax to Twisted-Pair Adapter Temperature-to-Frequency Converter Thermally Controlled NiCad Charger Thermistor Liquid Flowmeter Three Channel Integrated Multiplexer and Line Driver Three Channel, Single Supply Video Line Driver (AC Coupled) Three Op Amp Instrumentation Amplifier Triple Video Line Driver (DC Coupled) Two Op Amp Instrumentation Amplifier Two Op Amp Instrumentation Amplifier Two Terminal Current Regulator Two Terminal Current Source Two-Input Video Fader Ultra-Low Noise 1Mohm 150kHz Photodiode Amplifier Ultra-Precision, Wide Dynamic Range 10Hz Bandwidth Photodiode Amplifier Ultralow Noise, 2.4GHz Gain Bandwidth Large-Area Photodiode Amplifier Ultrapure 1kHz Sine Wave Generator Very Low Noise Large Area Photodiode Amplifier Voltage Controlled Current Source Voltage Controlled Current Source with Ground Referred Input and Output Wide Bandwidth Photodiode Amplifier Wideband Digitally Programmable Gain Amplifier Wideband, High Input Impedance, Gain = 1000 Amplifi er YPBPR to RGB Converter YPBPR to RGB Video Converter
Type K Thermocouple Signal Conditioner with ±350V Protection from Accidental Contact and Cold Junction Compensation
A high input impedance amplifier permits the use of large valued input resistors and retains signal accuracy. This is very useful for protecting both the amplifier and cold junction compensator in thermocouple applications as the sense element can often be inadvertently connected to destructive voltage potentials. The 1MΩ resistors protect the circuit up to ±350V with no phase reversal to amplifier output. The 1pA maximum IBIAS of the LTC6081 translates to a miniscule 0.05°C temperature error with the 1MΩ input protection resistor. The ±90μV offset over the entire operating temperature range ensures a less than 2°C temperature offset. The LTC6081 is a high performance dual op amps combining excellent noise, offset drift, CMRR, PSRR and input bias current specifications. They perform in a variety of topologies without compromising performance. LTC6081 is available in 8-lead MSOP and 10-lead DFN packages.