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OP215GP Arkusz danych(PDF) 1 Page - Analog Devices |
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OP215GP Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 8 page REV. A 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 OP215 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 Dual Precision JFET-Input Operational Amplifier FEATURES High Slew Rate: 10 V/ s Min Fast Settling Time: 0.9 s to 0.1% Type Low Input Offset Voltage Drift: 10 V/ C Max Wide Bandwidth: 3.5 MHz Min Temperature-Compensated Input Bias Currents Guaranteed Input Bias Current: 18 nA Max (125 C) Bias Current Specified Warmed Up over Temperature Low Input Noise Current: 0.01 pA/ ÷Hz Type High Common-Mode Rejection Ratio 86 dB Min Pin Compatible with Standard Dual Pinouts Models with MIL-STD-883 Class B Processing Available GENERAL DESCRIPTION The OP215 offers the proven JFET-input performance advantages of high speed and low input bias current with the tracking and convenience advantages of a dual op amp configuration. Low input offset voltages, low input currents, and low drift are featured in these high-speed amplifiers. On-chip zener-zap trimming is used to achieve low VOS, while a bias-current compensation scheme gives a low input bias current V+ NOMINV INPUT+ V– J3 J1 Q5 R1 J2 C1 7.4 pF J4 Q12 –INV INPUT Q8 R3 Q6 J5 J11 Q7 NULL R8 J8 J7 R7 NULL Q1 Q3 R9 Q11 R4 R5 3.6 k Q16 Q13 Q15 R6 3.6k Q14 Q4 Q2 R2 C2 7.4pF Q10 Q9 J6 Q19 Q17 Q18 Q21 J9 Q20 J10 Q23 R13 Q24 Q22 OUTPUT R10 Q25 R11 R12 NOTE R7, R8 ARE ELECTRONICALLY ADJUSTED ON-CHIP FOR MINIMUM OFFSET VOLTAGE Figure 1. Simplified Schematic (1/2 OP215) at elevated temperature. Thus, the OP215 features an input bias current of 1.4 nA at 70 ∞C ambient (not junction) temperature which greatly extends the application usefulness of this device. Applications include high-speed amplifiers for current output DACs, active filters, sample-and-hold buffers, and photocell amplifiers. For additional precision JFET op amps, see the OP249 and AD712 data sheets. |
Podobny numer części - OP215GP |
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Podobny opis - OP215GP |
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