Datasheet AD7790 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, Single-Channel, Ultra Low Power, Sigma Delta A/D Converter |
| Seiten / Seite | 6 / 4 — AD7790. Key Sheet. Single Conversion Mode. DATA. REQUEST. DIN. DOUT/RDY. … |
| Dateiformat / Größe | PDF / 127 Kb |
| Dokumentensprache | Englisch |
AD7790. Key Sheet. Single Conversion Mode. DATA. REQUEST. DIN. DOUT/RDY. SCLK. TYPICAL APPLICATION DIAGRAM. POWER SUPPLY. 0.1µF. 10µF. VDD
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AD7790 Key Sheet Single Conversion Mode CS
In single conversion mode, the AD7790 performs a single conversion and is placed in standby mode after the conversion
DATA REQUEST
is complete. DOUT/RDY goes low to indicate the completion of a
DIN
conversion. When the data-word has been read from the data
DATA
register, DOUT/RDY goes high. The data register can be read
DOUT/RDY
several times, if required, even when DOUT/RDY has gone high. 004
SCLK
11264- Figure 5. Single Conversion Mode
TYPICAL APPLICATION DIAGRAM POWER SUPPLY 0.1µF 10µF VDD REFIN(+) IN+ AD7790 OUT– OUT+ CS AIN(+) DOUT/RDY MICROCONTROLLER AIN(–) IN– SCLK REFIN(–) GND
005 11264- Figure 6. Typical Application Diagram Rev. 0 | Page 4 of 6 Document Outline General Description Features and Benefits Key Characteristics Fundamental Specifications Noise Operating the AD7790 Data Interface Data Modes Continuous Conversion Mode (Default) Continuous Read Mode Single Conversion Mode Typical Application Diagram Frequently Asked Questions Learn More and Start Designing Compatible Devices Package Diagram Getting Started
In single conversion mode, the AD7790 performs a single conversion and is placed in standby mode after the conversion
DATA REQUEST
is complete. DOUT/RDY goes low to indicate the completion of a
DIN
conversion. When the data-word has been read from the data
DATA
register, DOUT/RDY goes high. The data register can be read
DOUT/RDY
several times, if required, even when DOUT/RDY has gone high. 004
SCLK
11264- Figure 5. Single Conversion Mode
TYPICAL APPLICATION DIAGRAM POWER SUPPLY 0.1µF 10µF VDD REFIN(+) IN+ AD7790 OUT– OUT+ CS AIN(+) DOUT/RDY MICROCONTROLLER AIN(–) IN– SCLK REFIN(–) GND
005 11264- Figure 6. Typical Application Diagram Rev. 0 | Page 4 of 6 Document Outline General Description Features and Benefits Key Characteristics Fundamental Specifications Noise Operating the AD7790 Data Interface Data Modes Continuous Conversion Mode (Default) Continuous Read Mode Single Conversion Mode Typical Application Diagram Frequently Asked Questions Learn More and Start Designing Compatible Devices Package Diagram Getting Started