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AD745JR-16 Datasheet(PDF) 1 Page - Analog Devices |
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AD745JR-16 Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page REV. D Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD745 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2002 Ultralow Noise, High Speed, BiFET Op Amp CONNECTION DIAGRAM FEATURES ULTRALOW NOISE PERFORMANCE 2.9 nV/ Hz at 10 kHz 0.38 V p-p, 0.1 Hz to 10 Hz 6.9 fA/ Hz Current Noise at 1 kHz EXCELLENT AC PERFORMANCE 12.5 V/ s Slew Rate 20 MHz Gain Bandwidth Product THD = 0.0002% @ 1 kHz Internally Compensated for Gains of +5 (or –4) or Greater EXCELLENT DC PERFORMANCE 0.5 mV Max Offset Voltage 250 pA Max Input Bias Current 2000 V/mV Min Open Loop Gain Available in Tape and Reel in Accordance with EIA-481A Standard APPLICATIONS Sonar Photodiode and IR Detector Amplifiers Accelerometers Low Noise Preamplifiers High Performance Audio PRODUCT DESCRIPTION The AD745 is an ultralow noise, high-speed, FET input opera- tional amplifier. It offers both the ultralow voltage noise and high speed generally associated with bipolar input op amps and the very low input currents of FET input devices. Its 20 MHz bandwidth and 12.5 V/ µs slew rate makes the AD745 an ideal SOURCE RESISTANCE – 1000 100 100 10 1 1k 10k 100k 1M 10M RSOURCE RSOURCE EO OP37 AND RESISTOR AD745 AND RESISTOR AD745 AND RESISTOR OR OP37 AND RESISTOR RESISTOR NOISE ONLY Figure 1. amplifier for high-speed applications demanding low noise and high dc precision. Furthermore, the AD745 does not exhibit an output phase reversal. The AD745 also has excellent dc performance with 250 pA maximum input bias current and 0.5 mV maximum offset voltage. The internal compensation of the AD745 is optimized for higher gains, providing a much higher bandwidth and a faster slew rate. This makes the AD745 especially useful as a preamplifier where low level signals require an amplifier that provides both high amplification and wide bandwidth at these higher gains. The AD745 is available in two performance grades. The AD745J and AD745K are rated over the commercial temperature range of 0 °C to 70°C, and are available in the 16-lead SOIC package. FREQUENCY – Hz 120 100 100 80 60 40 20 0 –20 1k 10k 100k 1M 10M 100M 120 100 80 60 40 20 0 –20 GAIN PHASE Figure 2. 16-Lead SOIC (R) Package |
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Similar Description - AD745JR-16 |
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