Datasheet LTC2312-12 (Analog Devices) - 9

HerstellerAnalog Devices
Beschreibung12-Bit, 500ksps Serial Sampling ADC in TSOT
Seiten / Seite22 / 9 — block DiagraM. TiMing DiagraMs. Figure 1. SDO Enabled After CONV. Figure …
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DokumentenspracheEnglisch

block DiagraM. TiMing DiagraMs. Figure 1. SDO Enabled After CONV. Figure 2. SDO Into Hi-Z After CONV

block DiagraM TiMing DiagraMs Figure 1 SDO Enabled After CONV Figure 2 SDO Into Hi-Z After CONV

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LTC2312-12
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 12-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 231212 BD ALL CAPACITORS UNLESS NOTED ARE HIGH QUALITY, CERAMIC CHIP TYPE
TiMing DiagraMs
t3 t8 CONV CONV OVDD/2 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
↑ 231312 TD01 231312 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
↓ 231312 TD03 231212 TD04 231212fa For more information www.linear.com/LTC2312-12 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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 Revision History Typical Application Related Parts