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AM457 Datasheet(PDF) 4 Page - Analog Microelectronics |
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AM457 Datasheet(HTML) 4 Page - Analog Microelectronics |
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4 / 10 page  Precision amplifier for bridge circuits AM457 analog microelectronics May 2005 Analog Microelectronics GmbH Phone: +49 (0)6131/91 073 – 0 4/10 An der Fahrt 13, D – 55124 Mainz Fax: +49 (0)6131/91 073 – 30 Rev. 2.2 Internet: www.analogmicro.de Email: info@analogmicro.de ELECTRICAL SPECIFICATIONS Tamb = 25°C, VCC = 5V (unless otherwise stated) Parameter Symbol Conditions Min. Typ. Max. Unit Voltage Range VCC 4.5 5 5.5 V Quiescent Current ICC Tamb = -40...+85°C 1.5 2.5 mA Temperature Specifications Operating Tamb -45 125 °C Storage Tst -55 150 °C Junction TJ 150 °C Thermal Resistance Θja DIL8 plastic package 111 °C/W Θja SO8 narrow plastic package 181 °C/W Amplifier AMP Offset Voltage VOS ±0.1 ±0.3 mV VOS vs. Temperature dVOS/dT Tamb= -45…105°C ±0.5 ±1.2 µV/°C VOS vs. Temperature dVOS/dT Tamb= 105…125°C ±120 µV Input Bias Current IB 30 200 nA IB vs. Temperature dIB/dT VCM = 2.5V Tamb= -45…125°C –130 –600 pA/°C Differential Input Voltage VIN VIN =VIN+ – VIN- ±5 ±100 mV Input Offset Current IOS ±0.5 ±5 nA IOS vs. Temperature dIOS/dT VCM = 2.5V Tamb= -45…125°C ±2.5 ±30 pA/°C Input Resistance RIN VCM / IB,typ (VCM = 2.5V) 100 M Ω Input Capacitance CIN 90 pF Common Mode Input Range CMIR 1 VCC – 1.3 V Common Mode Rejection Ratio CMRR 120 135 dB Open Loop Gain G0 120 140 dB Adjustable Gain G 10 Output Voltage Range VOUT 0.2 VCC – 0.2 V Output Current IOUT Sink and source 250 µA Output Load Capacitance CL 1 5 nF Output Load Resistance RL Sink and source 20 k Ω Power Supply Rejection Ratio PSRR 90 110 dB Gain Bandwidth Product GBW G = 10; C1 = 1nF; RL = 20kΩ Including filters for EMC protection 30 kHz Non Linearity G ≤ 100 10-4 Slew Rate SR C1 = 1nF; RL = 20kΩ 0.3 0.8 V/µs Input Voltage Noise en Tamb, ;Rs = 1kΩ; VCC = 5V Rs = Source Impedance 30 nV/ √Hz |
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