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AD637JR-REEL Datasheet(PDF) 3 Page - Analog Devices |
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AD637JR-REEL Datasheet(HTML) 3 Page - Analog Devices |
3 / 10 page NOTES 1Accuracy specified 0-7 V rms dc with AD637 connected as shown in Figure 2. 2Nonlinearity is defined as the maximum deviation from the straight line connecting the readings at 10 mV and 2 V. 3Error vs. crest factor is specified as additional error for 1 V rms. 4Input voltages are expressed in volts rms. % are in % of reading. 5With external 2 k Ω pull down resistor tied to –V S. Specifications subject to change without notice. Specifications shown in boldface are tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max specifications are guaranteed, although only those shown in boldface are tested on all production units. ABSOLUTE MAXIMUM RATINGS ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 V Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18 V dc Internal Quiescent Power Dissipation . . . . . . . . . . . . 108 mW Output Short-Circuit Duration . . . . . . . . . . . . . . . . . Indefinite Storage Temperature Range . . . . . . . . . . . . –65 °C to +150°C Lead Temperature Range (Soldering 10 secs) . . . . . . . +300 °C Rated Operating Temperature Range AD637J, K . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 °C to +70°C AD637A, B . . . . . . . . . . . . . . . . . . . . . . . . –40 °C to +85°C AD637S, 5962-8963701CA . . . . . . . . . . . –55 °C to +125°C ORDERING GUIDE Temperature Package Package Model Range Description Option AD637AR – 40 °C to +85°C SOIC R-16 AD637BR –40 °C to +85°C SOIC R-16 AD637AQ – 40 °C to +85°C Cerdip Q-14 AD637BQ – 40 °C to +85°C Cerdip Q-14 AD637JD 0 °C to +70°C Side Brazed Ceramic DIP D-14 AD637JD/+ 0 °C to +70°C Side Brazed Ceramic DIP D-14 AD637KD 0 °C to +70°C Side Brazed Ceramic DIP D-14 AD637KD/+ 0 °C to +70°C Side Brazed Ceramic DIP D-14 AD637JQ 0 °C to +70°C Cerdip Q-14 AD637KQ 0 °C to +70°C Cerdip Q-14 AD637JR 0 °C to +70°C SOIC R-16 AD637JR-REEL 0 °C to +70°C SOIC R-16 AD637JR-REEL7 0 °C to +70°C SOIC R-16 AD637KR 0 °C to +70°C SOIC R-16 AD637SD –55 °C to +125°C Side Brazed Ceramic DIP D-14 AD637SD/883B –55 °C to +125°C Side Brazed Ceramic DIP D-14 AD637SQ/883B –55 °C to +125°C Cerdip Q-14 AD637SCHIPS 0 °C to +70°CDie 5962-8963701CA* –55 °C to +125°C Cerdip Q-14 *A standard microcircuit drawing is available. FILTER/AMPLIFIER 24k 24k ONE QUADRANT SQUARER/DIVIDER BUFFER AMPLIFIER Q1 Q2 Q3 Q4 125 6k 6k 12k 24k A5 A1 A2 ABSOLUTE VALUE VOLTAGE – CURRENT CONVERTER I1 I3 I4 A4 A3 BIAS Q5 CAV +VS RMS OUT COM CS DEN INPUT OUTPUT OFFSET dB OUT AD637 VIN BUFF OUT BUFF IN –VS Figure 1. Simplified Schematic CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD637 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. AD637 REV. E –3– WARNING! ESD SENSITIVE DEVICE |
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