Datasheet LTC2327-18 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | 18-Bit, 500ksps, ±10.24V True Bipolar, Pseudo-Differential Input ADC with 95dB SNR |
| 页数 / 页 | 26 / 10 — FuncTional block DiagraM. TiMing DiagraM. Conversion Timing Using the … |
| 文件格式/大小 | PDF / 516 Kb |
| 文件语言 | 英语 |
FuncTional block DiagraM. TiMing DiagraM. Conversion Timing Using the Serial Interface
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LTC2327-18
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 232718 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 232718 TD01 232718fb 10 For more information www.linear.com/LTC2327-18 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 232718 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 232718 TD01 232718fb 10 For more information www.linear.com/LTC2327-18 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