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SP674A Datasheet(PDF) 7 Page - Sipex Corporation |
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SP674A Datasheet(HTML) 7 Page - Sipex Corporation |
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7 / 14 page  9 2 28 STS DGND 12/8 CS A0 R/C CE THREE–STATE BUFFERS AND CONTROL NIBBLE A NIBBLE B NIBBLE C 27 26 25 24 23 22 21 20 19 18 17 16 OUTPUT BITS MSB LSB 3 4 5 6 CONTROL LOGIC OSCILLATOR 12–BITS 12–BITS SAMPLE/HOLD CDAC LSB MSB OFFSET/GAIN TRIM NETWORK REF REF AMP 1µF 1 15 VLOGIC +5V 711 VCC 1µF 9 AGND +15V NO CONNNECTION PERMITTED 8 10 VREF OUT VREF IN R2 100Ω R1 100K 100K -15V +15V 100Ω 10V IN 20V IN BIP OFF 13 14 12 ANALOG INPUTS 0TO10V 0TO20V 12–BIT SAR COMP STROBE Figure 4. Unipolar Input Connections Figure 5. Bipolar Input Connections 2 28 STS DGND 12/8 CS A0 R/C CE THREE–STATE BUFFERS AND CONTROL NIBBLE A NIBBLE B NIBBLE C 27 26 25 24 23 22 21 20 19 18 17 16 OUTPUT BITS MSB LSB 3 4 5 6 CONTROL LOGIC OSCILLATOR 12–BITS 12–BITS SAMPLE/HOLD CDAC LSB MSB OFFSET/GAIN TRIM NETWORK REF REF AMP 1µF 1 15 VLOGIC +5V 711 VCC 1µF 9 AGND +15V NO CONNECTION PERMITTED 8 10 VREF OUT VREF IN 100Ω R1 10V IN 20V IN BIP OFF 13 14 12 ANALOG INPUTS 12–BIT SAR COMP STROBE 100Ω R2 ±5V ±10V and digital sections), and grounding. Digital timing, calibration and the analog signal source must be considered for correct operation. To achieve specified accuracy, a double–sided printed circuit board with a copper ground plane on the component side is recommended. Keep analog signal traces away from digital lines. It is best to lay the PC board out such that there is an analog section and a digital section with a single point ground connection between the two through an RF bead. If this is not possible, run analog |
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Similar Description - SP674A |
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