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LTC2053IMS8 Datasheet(PDF) 1 Page - Linear Technology |
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LTC2053IMS8 Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page LTC2053/LTC2053-SYNC 1 2053syncfb The LTC ®2053 is a high precision instrumentation ampli- fier. The CMRR is typically 116dB with a single or dual 5V supply and is independent of gain. The input offset voltage is guaranteed below 10µV with a temperature drift of less than 50nV/°C. The LTC2053 is easy to use; the gain is adjustable with two external resistors, like a traditional op amp. The LTC2053 uses charge balanced sampled data tech- niques to convert a differential input voltage into a single ended signal that is in turn amplified by a zero-drift operational amplifier. The differential inputs operate from rail-to-rail and the single ended output swings from rail-to-rail. The LTC2053 can be used in single supply applications, as low as 2.7V. It can also be used with dual ±5.5V supplies. The LTC2053 requires no external clock, while the LTC2053-SYNC has a CLK pin to synchronize to an external clock. The LTC2053 is available in an MS8 surface mount pack- age. For space limited applications, the LTC2053 is avail- able in a 3mm × 3mm × 0.8mm dual fine pitch leadless package (DFN). , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. FEATURES DESCRIPTIO APPLICATIO S TYPICAL APPLICATIO ■ Thermocouple Amplifiers ■ Electronic Scales ■ Medical Instrumentation ■ Strain Gauge Amplifiers ■ High Resolution Data Acquisition ■ 116dB CMRR Independent of Gain ■ Maximum Offset Voltage: 10µV ■ Maximum Offset Voltage Drift: 50nV/°C ■ Rail-to-Rail Input ■ Rail-to-Rail Output ■ 2-Resistor Programmable Gain ■ Supply Operation: 2.7V to ±5.5V ■ Typical Noise: 2.5µVP-P (0.01Hz to 10Hz) ■ Typical Supply Current: 750µA ■ LTC2053-SYNC Allows Synchronization to External Clock ■ Available in MS8 and 3mm × 3mm × 0.8mm DFN Packages Precision, Rail-to-Rail, Zero-Drift, Resistor-Programmable Instrumentation Amplifier + – LTC2053 2 3 7 8 0.1µF 3V R < 10k 1, 4 5 6 R2 10k 2053 TA01 OUT 0.1µF R1 10Ω GAIN = 1+ R2 R1 Differential Bridge Amplifier Typical Input Referred Offset vs Input Common Mode Voltage (VS = 3V) INPUT COMMON MODE VOLTAGE (V) 0 15 10 5 0 –5 –10 –15 0.5 1.0 1.5 2.0 2053 TA01b 2.5 3.0 VS = 3V VREF = 0V TA = 25°C G = 1000 G = 100 G = 10 G = 1 |
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