Datasheet LTC2226H (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | 12-Bit, 25Msps 125°C ADC in LQFP |
| Pages / Page | 18 / 8 — FUNCTIONAL BLOCK DIAGRAM. Figure 1. Functional Block Diagram. TIMING … |
| File Format / Size | PDF / 259 Kb |
| Document Language | English |
FUNCTIONAL BLOCK DIAGRAM. Figure 1. Functional Block Diagram. TIMING DIAGRAM
Model Line for this Datasheet
Text Version of Document
LTC2226H
FUNCTIONAL BLOCK DIAGRAM
A + IN INPUT FIRST PIPELINED SECOND PIPELINED THIRD PIPELINED FOURTH PIPELINED FIFTH PIPELINED SIXTH PIPELINED – S/H ADC STAGE ADC STAGE ADC STAGE ADC STAGE ADC STAGE ADC STAGE AIN VCM 1.5V REFERENCE SHIFT REGISTER 2.2µF AND CORRECTION RANGE SELECT REFH REFL INTERNAL CLOCK SIGNALS OVDD REF SENSE BUF OF D11 DIFF CLOCK/DUTY CONTROL OUTPUT REF CYCLE LOGIC • DRIVERS AMP CONTROL • • D0 REFH 0.1µF REFL 2226H F01 OGND CLK MODE SHDN OE 2.2µF 1µF 1µF
Figure 1. Functional Block Diagram TIMING DIAGRAM
tAP ANALOG N N + 2 N + 4 INPUT N + 3 N + 5 tH N + 1 tL CLK tD D0-D11, OF N – 5 N – 4 N – 3 N – 2 N – 1 N 2226H TD01 2226hfc 8
FUNCTIONAL BLOCK DIAGRAM
A + IN INPUT FIRST PIPELINED SECOND PIPELINED THIRD PIPELINED FOURTH PIPELINED FIFTH PIPELINED SIXTH PIPELINED – S/H ADC STAGE ADC STAGE ADC STAGE ADC STAGE ADC STAGE ADC STAGE AIN VCM 1.5V REFERENCE SHIFT REGISTER 2.2µF AND CORRECTION RANGE SELECT REFH REFL INTERNAL CLOCK SIGNALS OVDD REF SENSE BUF OF D11 DIFF CLOCK/DUTY CONTROL OUTPUT REF CYCLE LOGIC • DRIVERS AMP CONTROL • • D0 REFH 0.1µF REFL 2226H F01 OGND CLK MODE SHDN OE 2.2µF 1µF 1µF
Figure 1. Functional Block Diagram TIMING DIAGRAM
tAP ANALOG N N + 2 N + 4 INPUT N + 3 N + 5 tH N + 1 tL CLK tD D0-D11, OF N – 5 N – 4 N – 3 N – 2 N – 1 N 2226H TD01 2226hfc 8
