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AD743KR-16-REEL Datasheet(PDF) 1 Page - Analog Devices |
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AD743KR-16-REEL Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page CONNECTION DIAGRAMS REV. C 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a Ultralow Noise BiFET Op Amp AD743 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 PRODUCT HIGHLIGHTS 1. The low offset voltage and low input offset voltage drift of the AD743 coupled with its ultralow noise performance mean that the AD743 can be used for upgrading many applications now using bipolar amplifiers. 2. The combination of low voltage and low current noise make the AD743 ideal for charge sensitive applications such as accelerometers and hydrophones. 3. The low input offset voltage and low noise level of the AD743 provide >140 dB dynamic range. 4. The typical 10 kHz noise level of 2.9 nV/ √Hz permits a three op amp instrumentation amplifier, using three AD743s, to be built which exhibits less than 4.2 nV/ √Hz noise at 10 kHz and which has low input bias currents. 100 1k 10k 100k 1 10 100 1000 1M 10M SOURCE RESISTANCE – Ω OP27 & RESISTOR AD743 + RESISTOR RESISTOR NOISE ONLY AD743 & RESISTOR OR OP27 & RESISTOR RSOURCE RSOURCE O E ( ) (– – –) ( — ) Input Noise Voltage vs. Source Resistance 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 DC PERFORMANCE 0.5 mV max Offset Voltage 250 pA max Input Bias Current 1000 V/mV min Open-Loop Gain AC PERFORMANCE 2.8 V/ s Slew Rate 4.5 MHz Unity-Gain Bandwidth THD = 0.0003% @ 1 kHz Available in Tape and Reel in Accordance with EIA-481A Standard APPLICATIONS Sonar Preamplifiers High Dynamic Range Filters (>140 dB) Photodiode and IR Detector Amplifiers Accelerometers PRODUCT DESCRIPTION The AD743 is an ultralow noise precision, FET input, monolithic operational amplifier. It offers a combination of the ultralow voltage noise generally associated with bipolar input op amps and the very low input current of a FET-input device. Furthermore, the AD743 does not exhibit an output phase reversal when the negative common-mode voltage limit is exceeded. The AD743’s guaranteed, maximum input voltage noise of 4.0 nV/ √Hz at 10 kHz is unsurpassed for a FET-input monolithic op amp, as is the maximum 1.0 µV p-p, 0.1 Hz to 10 Hz noise. The AD743 also has excellent dc performance with 250 pA maximum input bias current and 0.5 mV maximum offset voltage. The AD743 is specifically designed for use as a preamp in capacitive sensors, such as ceramic hydrophones. It is available in five performance grades. The AD743J and AD743K are rated over the commercial temperature range of 0 °C to +70°C. The AD743A and AD743B are rated over the industrial temperature range of –40 °C to +85°C. The AD743S is rated over the military temperature range of –55 °C to +125°C and is available processed to MIL-STD-883B, Rev. C. The AD743 is available in 8-pin plastic mini-DIP, 8-pin cerdip, 16-pin SOIC, or in chip form. AD743 8 TOP VIEW 1 2 3 7 6 8 5 4 OUT NULL NC +VS NULL –IN +IN –V S NC = NO CONNECT OFFSET NULL AD743 –IN +IN 8 1 2 3 4 9 10 11 12 13 14 16 NC NC NC OUTPUT +V S –V S NC NC 15 8 7 6 5 NC OFFSET NULL NC NC NC NC = NO CONNECT 8-Pin Plastic Mini-DIP (N) and 8-Pin Cerdip (Q) Packages 16-Pin SOIC (R) Package |
Similar Part No. - AD743KR-16-REEL |
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Similar Description - AD743KR-16-REEL |
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