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LTC1273 Datasheet(PDF) 9 Page - Linear Technology |
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LTC1273 Datasheet(HTML) 9 Page - Linear Technology |
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9 / 24 page  9 LTC1273 LTC1275/LTC1276 127356fa PI FU C S TI VSS (Pin 23): Negative Supply. – 5V for LTC1275/ LTC1276. Bypass to AGND with 0.1 µF ceramic. NC (Pin 23): No Connection for LTC1273. VDD (Pin 24): Positive Supply, 5V. Bypass to AGND (10 µF tantalum in parallel with 0.1µF ceramic). Table 1. Data Bus Output, CS and RD = LOW Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 Pin 11 Pin 13 Pin 14 Pin 15 Pin 16 MNEMONIC* D11 D10 D9 D8 D7 D6 D5 D4 D3/11 D2/10 D1/9 D0/8 HBEN = LOW DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 HBEN = HIGH DB11 DB10 DB9 DB8 LOW LOW LOW LOW DB11 DB10 DB9 DB8 *D11...D0/8 are the ADC data output pins. DB11...DB0 are the 12-bit conversion results, DB11 is the MSB. FU TIO AL BLOCK DIAGRA CSAMPLE CONTROL LOGIC INTERNAL CLOCK SUCCESSIVE APPROXIMATION REGISTER 12 12 OUTPUT LATCHES • • • D11 D0/8 BUSY 2.42V REFERENCE VREF(OUT) DGND AGND AIN SAMPLE HOLD SAMPLE VSS (NC ON LTC1273) VDD HBEN CS RD LTC1273/75/76 • FBD 12-BIT CAPACITIVE DAC COMPARATOR TEST CIRCUITS Load Circuits for Access Time Load Circuits for Output Float Delay 3k CL DBN DGND A) HIGH-Z TO VOH (t3) AND VOL TO VOH (t6) CL DBN 3k 5V B) HIGH-Z TO VOL (t3) AND VOH TO VOL (t6) DGND 1273/75/76 • TA07 3k 10pF DBN DGND A) VOH TO HIGH-Z 10pF DBN 3k 5V B) VOL TO HIGH-Z DGND 1273/75/76 • TA08 |
Similar Part No. - LTC1273_15 |
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Similar Description - LTC1273_15 |
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