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TC2000 Fiches technique(PDF) 3 Page - Tripath Technology Inc. |
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TC2000 Fiches technique(HTML) 3 Page - Tripath Technology Inc. |
3 / 9 page Tr i p ath Technol ogy, I n c. - Techni cal I n for m ati on 3 TC2000 – KLI/1.1/12-03 TC2000 AUDIO SIGNAL PROCESSOR PIN DESCRIPTIONS Pin Function Description 1 BIASCAP Bandgap reference times two (typically 2.5VDC). Used to set the common mode voltage for the input op amps. This pin is not capable of driving external circuitry. 2, 6 FDBKP2, FDBKP1 Positive switching feedback. 3 DCMP Internal mode selection. This pin must be grounded for proper device operation. 4, 7 FDBKN2, FDBKN1 Negative switching feedback. 5 VPWR Test pin. Must be left floating. 8 HMUTE Logic output. A logic high indicates both amplifiers are muted, due to the mute pin state, or a “fault”. 9, 12 Y1, Y2 Non-inverted switching modulator outputs. 10, 11 Y1B, Y2B Inverted switching modulator outputs. 13 NC No connect 14,16 OCD2, OCD1 Over Current Detect. Ground if not used. 15 REF Internal reference voltage; approximately 1.2 VDC. 17 VNNSENSE Negative power stage over/under supply voltage sense resistor tie point. 18 OVRLDB A logic low output indicates the input signal has overloaded the amplifier. 19 VPPSENSE Positive power stage over/under supply voltage sense resistor tie point. 20 AGND Ground 21 V5 5 Volt power supply input. 22, 27 OAOUT1, OAOUT2 Input stage output pins. 23, 28 INV1, INV2 Single-ended inputs. Inputs are a “virtual” ground of an inverting opamp with approximately 2.4VDC bias. 24 MUTE When set to logic high, both amplifiers are muted and in idle mode. When low (grounded), both amplifiers are fully operational. If left floating, the device stays in the mute mode. Ground if not used. 25, 26 BBM1, BBM0 Break-before-make timing control. TC2000 AUDIO SIGNAL PROCESSOR PINOUT BIASCAP FDBKP2 DCMP FDBKN2 VPW R FDBKP1 FDBKN1 HMUTE Y1 Y1B Y2B Y2 NC OCD2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 REF OCD1 VNNSENSE OVRLDB VPPSENSE AGND V5 OAOUT1 INV1 MUTE BBM1 BBM0 OAOUT2 INV2 |
Numéro de pièce similaire - TC2000 |
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Description similaire - TC2000 |
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