Datasheet LTC2326-18 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 18-Bit, 250ksps, ±10.24V True Bipolar, Pseudo-Differential Input ADC with 95dB SNR |
| Seiten / Seite | 26 / 10 — FuncTional block DiagraM. TiMing DiagraM. Conversion Timing Using the … |
| Dateiformat / Größe | PDF / 518 Kb |
| Dokumentensprache | Englisch |
FuncTional block DiagraM. TiMing DiagraM. Conversion Timing Using the Serial Interface
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LTC2326-18
FuncTional block DiagraM
REFIN = 1.25V REFBUF = 2.5V OVDD = 1.8V VDD = 5V VDDLBYP = 2.5V TO 2.4V TO 5V TO 5V LDO 2.048V 15k REFERENCE 2× REFERENCE BUFFER R 4R 0.63× BUFFER CHAIN IN+ + SDO SPI R 18-BIT SAMPLING ADC RDL/SDI PORT 4R IN– SCK – CNV CONTROL LOGIC BUSY GND 232618 BD01
TiMing DiagraM Conversion Timing Using the Serial Interface
CHAIN, RDL/SDI = 0 CNV CONVERT NAP BUSY HOLD ACQUIRE SCK D17 D16 D15 D2 D1 D0 SDO 232618 TD01 232618fb 10 For more information www.linear.com/LTC2326-18 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts
FuncTional block DiagraM
REFIN = 1.25V REFBUF = 2.5V OVDD = 1.8V VDD = 5V VDDLBYP = 2.5V TO 2.4V TO 5V TO 5V LDO 2.048V 15k REFERENCE 2× REFERENCE BUFFER R 4R 0.63× BUFFER CHAIN IN+ + SDO SPI R 18-BIT SAMPLING ADC RDL/SDI PORT 4R IN– SCK – CNV CONTROL LOGIC BUSY GND 232618 BD01
TiMing DiagraM Conversion Timing Using the Serial Interface
CHAIN, RDL/SDI = 0 CNV CONVERT NAP BUSY HOLD ACQUIRE SCK D17 D16 D15 D2 D1 D0 SDO 232618 TD01 232618fb 10 For more information www.linear.com/LTC2326-18 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts