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LTC1290 Datasheet(PDF) 8 Page - Linear Technology |
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LTC1290 Datasheet(HTML) 8 Page - Linear Technology |
8 / 32 page 8 LTC1290 1290fe PI FU CTIO S DIN (Pin 17): Digital Data Input. The A/D configuration word is shifted into this input after CS is recognized. SCLK (Pin 18): Shift Clock. This clock synchronizes the serial data transfer. ACLK (Pin 19): A/D Conversion Clock. This clock controls the A/D conversion process. VCC (Pin 20): Positive Supply. This supply must be kept free of noise and ripple by bypassing directly to the analog ground plane. BLOCK DIAGRAM INPUT SHIFT REGISTER SAMPLE- AND- HOLD 12-BIT CAPACITIVE DAC VCC 20 ANALOG INPUT MUX 1 2 3 4 5 6 7 8 9 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 COM DOUT 16 SCLK 18 CONTROL AND TIMING 15 CS LTC1290 • BD 17 REF+ 14 DGND 10 AGND 11 V– 12 REF– 13 COMP OUTPUT SHIFT REGISTER DIN 19 ACLK 12-BIT SAR TEST CIRCUITS 5V A A IOFF ION POLARITY OFF CHANNELS ON CHANNEL LTC1290 • TC01 • • • • On and Off Channel Leakage Current Load Circuit for tdis and ten DOUT 3k 100pF TEST POINT 5V WAVEFORM 2 WAVEFORM 1 LTC1290 • TC02 |
Similar Part No. - LTC1290_1 |
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Similar Description - LTC1290_1 |
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