Datasheet LTC2313-14 (Analog Devices) - 9

LTC2313-14
block DiagraM
2.2µF 2.2µF ANALOG SUPPLY I/O INTERFACE SUPPLY 3V OR 5V RANGE 1.8V TO 5V 1 5 VDD OVDD 2.5V LDO A ANALOG IN INPUT RANGE 4 + THREE-STATE SDO 0V TO VREF SERIAL S/H 14-BIT SAR ADC 6 OUTPUT – PORT REF SCK 2 7 TIMING 2.2µF GND 1.024V CONV 2×/4× LOGIC 3 BANDGAP 8 TS8 PACKAGE 231314 BD ALL CAPACITORS UNLESS NOTED ARE HIGH QUALITY, CERAMIC CHIP TYPE
TiMing DiagraMs
t3 t8 CONV OVDD/2 CONV OVDD/2 Hi-Z VOH Hi-Z SDO MSB SDO VOL
Figure 1. SDO Enabled After CONV
↓
Figure 2. SDO Into Hi-Z After CONV
↑ 231314 TD01 231314 TD02 t7 t4 SCK SCK OVDD/2 OVDD/2 V V OH OH SDO V SDO OL VOL
Figure 3. SDO Data Valid Hold After SCK
↓
Figure 4. SDO Data Valid Access After SCK
↓ 231314 TD03 231314 TD04 231314fb For more information www.linear.com/LTC2313-14 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input/Output Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Package Description Related Parts