Datasheet LTC1415 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | 12-Bit, 1.25Msps, 55mW Sampling A/D Converter |
| Pages / Page | 24 / 7 — FU CTIO AL BLOCK DIAGRA. TEST CIRCUITS. Load Circuits for Access Timing. … |
| File Format / Size | PDF / 338 Kb |
| Document Language | English |
FU CTIO AL BLOCK DIAGRA. TEST CIRCUITS. Load Circuits for Access Timing. Load Circuits for Bus Relinquish Time
Model Line for this Datasheet
Text Version of Document
LTC1415
U U W FU CTIO AL BLOCK DIAGRA
CSAMPLE +AIN AVDD CSAMPLE – AIN DVDD 2k ZEROING SWITCHES VREF 2.5V REF + REF AMP 12-BIT CAPACITIVE DAC COMP – REFCOMP (4.096V) OVDD AGND 12 SUCCESSIVE APPROXIMATION • D11 OUTPUT LATCHES • REGISTER • D0 DGND OGND INTERNAL CONTROL LOGIC CLOCK NAP/SLP SHDN CONVST RD CS BUSY 1415 BD
TEST CIRCUITS Load Circuits for Access Timing Load Circuits for Bus Relinquish Time
5V 5V 1k 1k DBN DBN DBN DBN 1k C 1k 100pF 100pF L CL (A) Hi-Z TO V (A) V OH AND VOL TO VOH (B) Hi-Z TO VOL AND VOH TO VOL OH TO Hi-Z (B) VOL TO Hi-Z 1415 TC01 1415 TC02 7
U U W FU CTIO AL BLOCK DIAGRA
CSAMPLE +AIN AVDD CSAMPLE – AIN DVDD 2k ZEROING SWITCHES VREF 2.5V REF + REF AMP 12-BIT CAPACITIVE DAC COMP – REFCOMP (4.096V) OVDD AGND 12 SUCCESSIVE APPROXIMATION • D11 OUTPUT LATCHES • REGISTER • D0 DGND OGND INTERNAL CONTROL LOGIC CLOCK NAP/SLP SHDN CONVST RD CS BUSY 1415 BD
TEST CIRCUITS Load Circuits for Access Timing Load Circuits for Bus Relinquish Time
5V 5V 1k 1k DBN DBN DBN DBN 1k C 1k 100pF 100pF L CL (A) Hi-Z TO V (A) V OH AND VOL TO VOH (B) Hi-Z TO VOL AND VOH TO VOL OH TO Hi-Z (B) VOL TO Hi-Z 1415 TC01 1415 TC02 7
