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AD648KR-REEL7 Datenblatt(PDF) 1 Page - Analog Devices |
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AD648KR-REEL7 Datenblatt(HTML) 1 Page - Analog Devices |
1 / 12 page 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 Dual Precision, Low Power BiFET Op Amp AD648 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 FEATURES DC Performance 400 A max Quiescent Current 10 pA max Bias Current, Warmed Up (AD648C) 300 V max Offset Voltage (AD648C) 3 V/ C max Drift (AD648C) 2 V p-p Noise, 0.1 Hz to 10 Hz AC Performance 1.8 V/ s Slew Rate 1 MHz Unity Gain Bandwidth Available in Plastic Mini-DIP, Cerdip, Plastic SOIC and Hermetic Metal Can Packages MIL-STD-883B Parts Available Surface Mount (SOIC) Package Available in Tape and Reel in Accordance with EIA-481A Standard Single Version: AD548 PRODUCT DESCRIPTION The AD648 is a matched pair of low power, precision mono- lithic operational amplifiers. It offers both low bias current (10 pA max, warmed up) and low quiescent current (400 µA max) and is fabricated with ion-implanted FET and laser wafer trimming technologies. Input bias current is guaranteed over the AD648’s entire common-mode voltage range. The economical J grade has a maximum guaranteed offset volt- age of less than 2 mV and an offset voltage drift of less than 20 µV/°C. The C grade reduces offset voltage to less than 0.30 mV and offset voltage drift to less than 3 µV/°C. This level of dc precision is achieved utilizing Analog’s laser wafer drift trimming process. The combination of low quiescent current and low offset voltage drift minimizes changes in input offset voltage due to self-heating effects. Five additional grades are offered over the commercial, industrial and military temperature ranges. The AD648 is recommended for any dual supply op amp appli- cation requiring low power and excellent dc and ac perfor- mance. In applications such as battery-powered, precision instrument front ends and CMOS DAC buffers, the AD648’s excellent combination of low input offset voltage and drift, low bias current and low 1/f noise reduces output errors. High common-mode rejection (86 dB, min on the “C” grade) and high open-loop gain ensures better than 12-bit linearity in high impedance, buffer applications. The AD648 is pinned out in a standard dual op amp configura- tion and is available in seven performance grades. The AD648J and AD648K are rated over the commercial temperature range of 0 °C to +70°C. The AD648A, AD648B and AD648C are rated over the industrial temperature range of –40 °C to +85°C. The AD648S and AD648T are rated over the military tempera- ture range of –55 °C to +125°C and are available processed to MIL-STD-883B, Rev. C. The AD648 is available in an 8-pin plastic mini-DIP, cerdip, SOIC, TO-99 metal can, or in chip form. PRODUCT HIGHLIGHTS 1. A combination of low supply current, excellent dc and ac performance and low drift makes the AD648 the ideal op amp for high performance, low power applications. 2. The AD648 is pin compatible with industry standard dual op amps such as the LF442, TL062, and AD642, enabling designers to improve performance while achieving a reduc- tion in power dissipation of up to 85%. 3. Guaranteed low input offset voltage (2 mV max) and drift (20 µV/°C max) for the AD648J are achieved utilizing Analog Devices’ laser drift trimming technology. 4. Analog Devices specifies each device in the warmed-up con- dition, insuring that the device will meet its published specifi- cations in actual use. 5. Matching characteristics are excellent for all grades. The input offset voltage matching between amplifiers in the AD648J is within 2 mV, for the C grade matching is within 0.4 mV. 6. Crosstalk between amplifiers is less than –120 dB at 1 kHz. 7. The AD648 is available in chip form. CONNECTION DIAGRAMS |
Ähnliche Teilenummer - AD648KR-REEL7 |
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Ähnliche Beschreibung - AD648KR-REEL7 |
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