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AD636J Arkusz danych(PDF) 3 Page - Analog Devices |
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AD636J Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 8 page ORDERING GUIDE Temperature Package Package Model Range Descriptions Options AD636JD 0 °C to +70°C Side Brazed Ceramic DIP D-14 AD636KD 0 °C to +70°C Side Brazed Ceramic DIP D-14 AD636JH 0 °C to +70°C Header H-10A AD636KH 0 °C to +70°C Header H-10A AD636J Chip 0 °C to +70°C Chip AD636JD/+ 0 °C to +70°C Side Brazed Ceramic DIP D-14 AD636 Model AD636J AD636K Min Typ Max Min Typ Max Units TEMPERATURE RANGE Rated Performance 0 +70 0 +70 °C Storage –55 +150 –55 +150 °C TRANSISTOR COUNT 62 62 NOTES 1Accuracy specified for 0 mV to 200 mV rms, dc or 1 kHz sine wave input. Accuracy is degraded at higher rms signal levels. 2Measured at Pin 8 of DIP (I OUT ), with Pin 9 tied to common. 3Error vs. crest factor is specified as additional error for a 200 mV rms rectangular pulse trim, pulse width = 200 µs. 4Input voltages are expressed in volts rms. 5With 10 k Ω pull down resistor from Pin 6 (BUF OUT) to –V S. 6With BUF input tied to Common. Specifications subject to change without notice. All min and max specifications are guaranteed. Specifications shown in boldface are tested on all production units at final electrical test and are used to calculate outgoing quality levels. ABSOLUTE MAXIMUM RATINGS 1 Supply Voltage Dual Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±16.5 V Single Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +24 V Internal Power Dissipation 2 . . . . . . . . . . . . . . . . . . . . 500 mW Maximum Input Voltage . . . . . . . . . . . . . . . . . . . . ±12 V Peak Storage Temperature Range N, R . . . . . . . . . –55 °C to +150°C Operating Temperature Range AD636J/K . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 °C to +70°C Lead Temperature Range (Soldering 60 sec) . . . . . . . . +300 °C ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 V NOTES 1Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 210-Lead Header: θ JA = 150°C/Watt. 14-Lead Side Brazed Ceramic DIP: θ JA = 95°C/Watt. METALIZATION PHOTOGRAPH Contact factory for latest dimensions. Dimensions shown in inches and (mm). COM 10 RL 9 +VS 14 1a* 1b* VIN 3 –VS 4 CAV 5 dB 7 BUF IN 6 BUF OUT 8 IOUT 0.1315 (3.340) 0.0807 (2.050) PAD NUMBERS CORRESPOND TO PIN NUMBERS FOR THE TO-116 14-PIN CERAMIC DIP PACKAGE. NOTE *BOTH PADS SHOWN MUST BE CONNECTED TO VIN. STANDARD CONNECTION The AD636 is simple to connect for the majority of high accu- racy rms measurements, requiring only an external capacitor to set the averaging time constant. The standard connection is shown in Figure 1. In this configuration, the AD636 will mea- sure the rms of the ac and dc level present at the input, but will show an error for low frequency inputs as a function of the filter capacitor, CAV, as shown in Figure 5. Thus, if a 4 µF capacitor is used, the additional average error at 10 Hz will be 0.1%, at 3 Hz it will be 1%. The accuracy at higher frequencies will be according to specification. If it is desired to reject the dc input, a capacitor is added in series with the input, as shown in Fig- ure 3; the capacitor must be nonpolar. If the AD636 is driven with power supplies with a considerable amount of high frequency ripple, it is advisable to bypass both supplies to ground with 0.1 µF ceramic discs as near the device as possible. C F is an optional output ripple filter, as discussed elsewhere in this data sheet. AD636 14 13 12 11 10 9 8 1 2 3 4 5 6 7 ABSOLUTE VALUE SQUARER DIVIDER BUF + – CURRENT MIRROR 10k 10k VIN –VS +VS VOUT CF (OPTIONAL) + – CAV SQUARER DIVIDER ABSOLUTE VALUE AD636 CURRENT MIRROR +– BUF 10k 10k +VS VIN –VS + – CAV VOUT CF (OPTIONAL) Figure 1. Standard RMS Connection REV. B –3– |
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