Datasheet LTC2344-18 (Analog Devices) - 17
| Manufacturer | Analog Devices |
| Description | Quad, 18-Bit, 400ksps/ch Differential SoftSpan ADC with Wide Input Common Mode Range |
| Pages / Page | 40 / 17 — FUNCTIONAL BLOCK DIAGRAM. CMOS I/O Mode |
| File Format / Size | PDF / 2.3 Mb |
| Document Language | English |
FUNCTIONAL BLOCK DIAGRAM. CMOS I/O Mode
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LTC2344-18
FUNCTIONAL BLOCK DIAGRAM CMOS I/O Mode
VDD VDDLBYP OVDD LTC2344-18 IN0+ IN0– S/H 2.5V REGULATOR SDO0 • • • IN1+ CMOS SDO3 18-BIT IN1– S/H SAR ADC 18 BITS SERIAL SCKO I/O INTERFACE TIPLEXER SDI SCKI CS IN2+ IN2– S/H 4-CHANNEL MUL REFERENCE BUFFER 2.048V 20k CONTROL BUSY IN3+ 2 REFERENCE × LOGIC IN3– S/H GND REFIN REFBUF CNV PD LVDS/CMOS 234418 BD01 234418f For more information www.linear.com/LTC2344-18 17 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 Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts
FUNCTIONAL BLOCK DIAGRAM CMOS I/O Mode
VDD VDDLBYP OVDD LTC2344-18 IN0+ IN0– S/H 2.5V REGULATOR SDO0 • • • IN1+ CMOS SDO3 18-BIT IN1– S/H SAR ADC 18 BITS SERIAL SCKO I/O INTERFACE TIPLEXER SDI SCKI CS IN2+ IN2– S/H 4-CHANNEL MUL REFERENCE BUFFER 2.048V 20k CONTROL BUSY IN3+ 2 REFERENCE × LOGIC IN3– S/H GND REFIN REFBUF CNV PD LVDS/CMOS 234418 BD01 234418f For more information www.linear.com/LTC2344-18 17 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 Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts
