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LT1996IDD Datasheet(PDF) 1 Page - Linear Technology |
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LT1996IDD Datasheet(HTML) 1 Page - Linear Technology |
1 / 24 page LT1996 1 1996f RESISTOR MATCHING (%) 0.04 1996 TA01b – 0.02 0 0.02 40 35 30 25 20 15 10 5 0 – 0.04 LT1996A G = 81 TYPICAL APPLICATIO FEATURES ■ Pin Configurable as a Difference Amplifier, Inverting and Noninverting Amplifier ■ Difference Amplifier Gain Range 9 to 117 CMRR >80dB ■ Noninverting Amplifier Gain Range 0.008 to 118 ■ Inverting Amplifier Gain Range –0.08 to –117 ■ Gain Error: <0.05% ■ Gain Drift: < 3ppm/°C ■ Wide Supply Range: Single 2.7V to Split ±18V ■ Micropower Operation: 100µA Supply ■ Input Offset Voltage: 50µV (Max) ■ Gain Bandwidth Product: 560kHz ■ Rail-to-Rail Output ■ Space Saving 10-Lead MSOP and DFN Packages Precision, 100µA Gain Selectable Amplifier The LT ®1996 combines a precision operational amplifier with eight precision resistors to form a one-chip solution for accurately amplifying voltages. Gains from –117 to 118 with a gain accuracy of 0.05% can be achieved without any external components. The device is particularly well suited for use as a difference amplifier, where the excellent resistor matching results in a common mode rejection ratio of greater than 80dB. The amplifier features a 50µV maximum input offset voltage and a gain bandwidth product of 560kHz. The device operates from any supply voltage from 2.7V to 36V and draws only 100µA supply current on a 5V supply. The output swings to within 40mV of either supply rail. The internal resistors have excellent matching character- istics; variation is 0.05% over temperature with a guaran- teed matching temperature coefficent of less than 3ppm/°C. The resistors are also extremely stable over voltage, exhibiting a nonlinearity of less than 10ppm. The LT1996 is fully specified at 5V and ±15V supplies and from –40°C to 85°C. The device is available in space saving 10-lead MSOP and DFN packages. For an amplifier with selectable gains from –13 to 14, see the LT1991 data sheet. DESCRIPTIO APPLICATIO S Rail-to-Rail Gain = 9 Difference Amplifier Distribution of Resistor Matching – + 15V –15V ∆VIN VM(IN) VP(IN) – + VOUT = VREF + 9 • ∆VIN SWING 40mV TO EITHER RAIL INPUT RANGE ±60V RIN = 100kΩ LT1996 1996 TA01 450k/81 450k/81 450k/27 450k/27 450k/9 450k 450k 450k/9 4pF 4pF VREF , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Patents Pending. ■ Handheld Instrumentation ■ Medical Instrumentation ■ Strain Gauge Amplifiers ■ Differential to Single-Ended Conversion |
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