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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADAS3022BCPZ датащи(PDF) 24 Page - Analog Devices |
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ADAS3022BCPZ датащи(HTML) 24 Page - Analog Devices |
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24 / 40 page  ADAS3022 Data Sheet Rev. A | Page 24 of 40 Table 6. Output Codes and Ideal Input Voltages Description Differential Analog Inputs, VREF = 4.096 V Digital Output Code (Twos Complement, Hex) FSR − 1 LSB (32,767 × VREF)/ (32,768 × PGIA gain) 0x7FFF Midscale + 1 LSB VREF/(32,768 × PGIA gain) 0x0001 Midscale 0 0x0000 Midscale − 1 LSB −(VREF/(32,768 × PGIA gain)) 0xFFFF −FSR + 1 LSB −(32,767 × VREF)/ (32,768 × PGIA gain) 0x8001 −FSR −VREF × PGIA gain 0x8000 TYPICAL APPLICATION CONNECTION DIAGRAM As shown in Figure 54, the ADP1613 is used in an inexpensive SEPIC-Ćuk topology, which is an ideal candidate for providing the ADAS3022 with the necessary high voltage ±15 V robust supplies (at 20 mA) and low output ripple (3 mV maximum) from an external 5 V supply. The ADP1613 satisfies the specification requirements of the ADAS3022 with minimal external components while achieving greater than 86% of efficiency. Refer to the CN-0201 circuit note for complete information about this test setup. IN0 IN0/IN1 IN2/IN3 IN4/IN5 IN6/IN7 IN1 IN2 IN3 IN4 IN5 IN6 IN7 DIFF PAIR DIFF COM LOGIC/ INTERFACE REFIN REF MUX CNV RESET SCK DIN SDO VDDH AVDD DVDD VIO CS COM AUX+ AUX– BUSY + + + ENABLE ADP1613 ADAS3022 COMP FB FREQ EN VIN GND SS SW + + VIN = +5V + + VSSH RF2 4.22kΩ RF1B 47.5kΩ RC1 100kΩ CC1 12nF CC2 10pF CV5 1µF REN RB0 1Ω RS1 0Ω RS2 DNI CSS 1µF Z1 CIN 1µF D1 D2 C1 1µF C2 1µF L3 1µF COUT3 4.7µF COUT1 1µF COUT2 2.2µF +15V –15V +5V ADR434 REFx PD AGND DGND AD8031 4.096V + – 1.78Ω RFILT DNI 50kΩ L1 47µH L2 47µH +5V +5V BUF PulSAR ADC TEMP SENSOR PGIA Figure 54. Complete 5 V, Single-Supply, 8-Channel Multiplexed Data Acquisition System with PGIA |
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