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LT1167 Folha de dados(PDF) 1 Page - Linear Technology |
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LT1167 Folha de dados(HTML) 1 Page - Linear Technology |
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1 / 20 page  1 LT1167 Single Resistor Gain Programmable, Precision Instrumentation Amplifier Gain Nonlinearity The LT ®1167 is a low power, precision instrumentation amplifier that requires only one external resistor to set gains of 1 to 10,000. The low voltage noise of 7.5nV/ √Hz (at 1kHz) is not compromised by low power dissipation (0.9mA typical for ±2.3V to ±15V supplies). The high accuracy of 10ppm maximum nonlinearity and 0.08% max gain error (G = 10) is not degraded even for load resistors as low as 2k (previous monolithic instrumentation amps used 10k for their nonlinearity specifications). The LT1167 is laser trimmed for very low input offset voltage (40 µV max), drift (0.3µV/°C), high CMRR (90dB, G = 1) and PSRR (105dB, G = 1). Low input bias currents of 350pA max are achieved with the use of superbeta processing. The output can handle capacitive loads up to 1000pF in any gain configuration while the inputs are ESD protected up to 13kV (human body). The LT1167 with two external 5k resistors passes the IEC 1000-4-2 level 4 specification. The LT1167, offered in 8-pin PDIP and SO packages, requires significantly less PC board area than discrete multi op amp and resistor designs. These advantages make the LT1167 the most cost effective solution for precision instrumentation amplifier applications. s Single Gain Set Resistor: G = 1 to 10,000 s Gain Error: G = 10, 0.08% Max s Gain Nonlinearity: G = 10, 10ppm Max s Input Offset Voltage: G = 10, 60 µV Max s Input Offset Voltage Drift: 0.3 µV/°C Max s Input Bias Current: 350pA Max s PSRR at G = 1: 105dB Min s CMRR at G = 1: 90dB Min s Supply Current: 1.3mA Max s Wide Supply Range: ±2.3V to ±18V s 1kHz Voltage Noise: 7.5nV/ √Hz s 0.1Hz to 10Hz Noise: 0.28 µVP-P s Available in 8-Pin PDIP and SO Packages s Meets IEC 1000-4-2 Level 4 ESD Tests with Two External 5k Resistors FEATURES DESCRIPTION , LTC and LT are registered trademarks of Linear Technology Corporation. s Bridge Amplifiers s Strain Gauge Amplifiers s Thermocouple Amplifiers s Differential to Single-Ended Converters s Medical Instrumentation APPLICATIONS – + + – 2 1 1 1 1 2 R5 392k R4 50k R3 50k R8 100k R6 1k LT1634CCZ-1.25 8 4 1/2 LT1490 3 RSET 0.2% ACCURACY AT 25 °C 1.2% ACCURACY AT 0 °C TO 60°C VS = 8V TO 30V 5k 5k 5k 5k VS 5 4 3 2 – + 7 1/2 LT1490 5 6 2 8 LUCAS NOVA SENOR NPC-1220-015-A-3L 7 VS 6 1167 TA01 5 TO 4-DIGIT DVM 4 R2 12 Ω LT1167 G = 60 R1 825 Ω 3 6 R7 50k VOLTS 2.800 3.000 3.200 INCHES Hg 28.00 30.00 32.00 TYPICAL APPLICATION Single Supply Barometer G = 1000 RL = 1k VOUT = ±10V 1167 TA02 OUTPUT VOLTAGE (2V/DIV) |
Nº de peça semelhante - LT1167 |
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Descrição semelhante - LT1167 |
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