Maker : Linear Technology
Part No. : LTC2050CS8

  Datasheet PDF : LTC2050CS8.pdf
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Shortcut : LTC2050CS5  LTC2050CS6  LTC2050CS8 

Product Information

Final Electrical Specifications LTC2050 Zero-Drift Operational Amplifier in SOT-23 November 1999 FEATURES s s s s s s s s s s s s DESCRIPTIO SOT-23 Package Maximum Offset Voltage of 3µV Maximum Offset Voltage Drift of 30nV/°C Noise: 1.5µVP-P (0.1Hz to 10Hz Typ) Voltage Gain: 140dB (Typ) PSRR: 130dB (Typ) CMRR: 130dB (Typ) Supply Current: 0.8mA (Typ) Single Supply Operation: 2.7V to 6V Extended Common Mode Input Range Output Swings Rail-to-Rail Overload Recovery Time: 2ms (Typ) The LTC®2050 is a low drift operational amplifier available in the 5- or 6-lead SOT-23 and SO-8 packages. It operates from a single 2.7V supply while still supporting 5V applications. The power consumption is 800µA and the versions in the 6-lead SOT-23 and SO-8 packages offer power shutdown (active low). The LTC2050, despite its miniature size, features uncompromising DC performance. The typical input offset voltage and offset drift are 0.5µV and 10nV/°C. The almost zero DC offset and drift are supported with a power supply rejection ratio (PSRR) and common mode rejection ratio (CMRR) of more than 130dB. The input common mode voltage ranges from the negative supply up to 1V from the positive supply. The LTC2050 also has an enhanced output stage capable of driving loads as low as 1kΩ to both supply rails. The open-loop gain, loaded with 1kΩ, is in excess of 140dB. The LTC2050 also features a 1.5µVP-P DC to 10Hz noise and a 3MHz gain bandwidth product. , LTC and LT are registered trademarks of Linear Technology Corporation. APPLICATI s s s s s s S Thermocouple Amplifiers Electronic Scales Medical Instrumentation Strain Gauge Amplifiers High Resolution Data Acquisition DC Accurate RC Active Filters TYPICAL APPLICATI 5V 50Ω GAIN TRIM Differential Bridge Amplifier 5V 3 0.1µF 1000pF Input Referred Noise 0.1Hz to 10Hz VS = 5V 18.2k 1 µV 350Ω STRAIN GAUGE 0 –1 2 – + 7 6 AV = 100 –3 0 2050 TA01 LTC2050 3 4 1000pF 18.2k 2 6 4 TIME (s) 8 10 LT2050 TA02 Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights. U UO UO 1 LTC2050 ABSOLUTE AXI U RATI GS (Note 1) Specified Temperature Range (Note 3) .. – 40°C to 85°C Storage Temperature Range ................ – 65°C to 150°C Lead Temperature (Soldering, 10 sec)................. 300°C Total Supply Voltage (V + to V –) ............................... 7V Input Voltage ........................ (V + + 0.3V) to (V – – 0.3V) Output Short-Circuit Duration ......................... Indefinite Operating Temperature Range ............... – 40°C to 85°C PACKAGE/ORDER I FOR ATIO TOP VIEW OUT 1 V– 2 +IN 3 4 –IN 5 V+ OUT 1 V– 2 +IN 3 S5 PACKAGE 5-LEAD PLASTIC SOT-23 TJMAX = 125°C, θJA = 250°CW S6 PACKAGE 6-LEAD PLASTIC SOT-23 TJMAX = 125°C, θJA = 230°CW ORDER PART NUMBER LTC2050CS5 S5 PART MARKING LTIN ORDER PART NUMBER LTC2050CS6 Consult factory for Military grade parts. The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VS = 3V unless otherwise noted. (Note 3) PARAMETER Input Offset Voltage Average Input Offset Drift Long-Term Offset Drift Input Bias Current q ELECTRICAL CHARACTERISTICS CONDITIONS (Note 2) (Note 2) Input Offset Current q Input Noise Voltage Common Mode Rejection Ratio Power Supply Rejection Ratio RS = 100Ω, DC to 10Hz VCM = V– to V + – 1.3 q q Large-Signal Voltage Gain Maximum Output Voltage Swing Slew Rate Gain Bandwidth Product Supply Current RL = 10k q RL = 2k RL = 10k VSHDN = V +, No Load VSHDN = V – 2 U U W W W U W TOP VIEW TOP VIEW 6 V+ 5 SHDN 4 –IN SHDN 1 –IN 2 +IN 3 V– 4 8 7 6 5 NC V+ OUT NC S8 PACKAGE 8-LEAD PLASTIC SO TJMAX = 125°C, θJA = 190°CW S6 PART ...

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