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AD4000 Datasheet(PDF) 19 Page - Analog Devices |
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AD4000 Datasheet(HTML) 19 Page - Analog Devices |
19 / 36 page ![]() Data Sheet AD4000/AD4004/AD4008 Rev. C | Page 19 of 36 APPLICATIONS INFORMATION TYPICAL APPLICATION DIAGRAMS Figure 33 shows an example of the recommended connection diagram for the AD4000/AD4004/AD4008 when multiple supplies are available. This configuration is used for best performance because the amplifier supplies can be selected to allow the maximum signal range. Figure 34 shows a recommended connection diagram when using a single-supply system. This setup is preferable when only a limited number of rails are available in the system and power dissipation is of critical importance. C R V+ REF VDD VIO GND IN+ IN– SDI SCK SDO CNV AD4000/ AD4004/ AD4008 3-WIRE/4-WIRE INTERFACE 1.8V 1.8V TO 5V V+ ≥ +6.5V DIGITAL HOST (MICROPROCESSOR/ FPGA) V– ≤ –0.5V HOST SUPPLY 100nF 100nF 5V V– AMP VREF 0V VCM = VREF/2 REF1 LDO AMP VCM = VREF/2 10µF 10kΩ 10kΩ Figure 33. Typical Application Diagram with Multiple Supplies C R REF VDD VIO GND IN+ IN– SDI SCK SDO CNV AD4000/ AD4004/ AD40082 1.8V 1.8V TO 5V V+ = 5V DIGITAL HOST (MICROPROCESSOR/ FPGA) HOST SUPPLY 100nF 100nF 4.096V AMP 0.9 × VREF 0.1 × VREF VCM = VREF/2 REF1 LDO AMP VCM = VREF/2 10µF1 10kΩ 10kΩ 3-WIRE/4-WIRE INTERFACE 3 1SEE THE VOLTAGE REFERENCE INPUT SECTION FOR REFERENCE SELECTION. CREF IS USUALLY A 10µF CERAMIC CAPACITOR (X7R). 2SPAN COMPRESSION MODE ENABLED. 3SEE TABLE 10 FOR RC FILTER AND AMPLIFIER SELECTION. Figure 34. Typical Application Diagram with a Single Supply |
Similar Part No. - AD4000_17 |
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Similar Description - AD4000_17 |
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