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TC7109A Datasheet(PDF) 10 Page - Microchip Technology |
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TC7109A Datasheet(HTML) 10 Page - Microchip Technology |
10 / 32 page TC7109/A DS21456D-page 10 2002-2012 Microchip Technology Inc. FIGURE 3-1: Conversion Timing (RUN/HOLD) Pin High FIGURE 3-2: Digital Section Internal Clock Integrator Output for Normal Input Integrator Saturates Internal Latch Integrator Output for Over Range Input No Zero Crossing ZI AZ Zero Integrator Phase forces Integrator Output to 0V Zero Crossing Occurs Zero Crossing Detected INT Phase II Status Output AZ Phase I DE Phase III AZ Fixed 2048 Counts 2048 Counts Min. 4096 Counts Max Number of Counts to Zero Crossing Proportional to VIN After Zero Crossing, Analog section will be in Auto-Zero Configuration TEST 17 POL 3 OR 4 B 12 5 B 11 6 B 10 7 B 9 8 B 8 9 B 7 10 B 6 11 B 5 12 B 4 13 B 3 14 226 22 23 24 25 21 STATUS RUN/ HOLD OSC IN OSC OUT OSC SEL BUFF OSC OUT MODE To Analog Section COMP OUT AZ INT DE (±) ZI Conversion Control Logic Oscillator and Clock Circuitry High Order Byte Outputs Low Order Byte Outputs Handshake Logic B 2 15 B 1 16 27 SEND 18 19 20 LBEN HBEN CE/LOAD 1 GND 14 Latches 12-Bit Counter 14 Three-State Outputs Latch Clock |
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Similar Description - TC7109A |
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