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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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TDA2500 Datenblatt(PDF) 6 Page - Tripath Technology Inc. |
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TDA2500 Datenblatt(HTML) 6 Page - Tripath Technology Inc. |
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6 / 29 page  Tri p ath Techn o l o g y, I n c. - Techn i cal I n fo rmati o n 6 TDA2500 – KL/ Rev. 0.9/05.05 Pin Description Pin Function Description 1 AGND Analog ground. This should be the “star” point for all connections to analog ground. 2 OVERLOADB Normally logic high. Logic low signals onset of clipping. Pin output impedance is approximately 100k Ω. 3 V5 5V power supply input. 4 MUTE Logic input. A logic high puts the amplifier in mute mode. Ground pin if not used. Please refer to the section, Mute Control, in the Application Information. 5, 6 IN2, IN1 Audio inputs. (Channels 2 & 1) 7, 8 BBM0, BBM1 Break-before-make timing control to prevent shoot-through in the output MOSFETs. 9, 12 GNDKELVIN1, GNDKELVIN2 Output ground feedback (Channels 1 & 2) 10, 11 OCR2, OCR1 Over-current threshold adjustment (Channels 2 & 1). These pins directly access the internal over current, voltage comparators. The threshold for over current detection is VTOC, as specified in the Electrical Characteristics section. 13, 14 OCS1LP, OCS1LN Over Current Sense inputs, Channel 1 low-side 15, 16 OCS1HN, OCS1HP Over Current Sense inputs, Channel 1 high-side 17,30 LO1COM, LO2COM Kelvin connection to source of low-side transistor (Channel 1 & 2) 18, 29 FDBKN1, FDBKN2 Switching feedback (Channels 1 & 2) 19 VN12 “Floating” supply input for the FET drive circuitry. This voltage must be stable and referenced to VNN. 20,27 LO1, LO2 Low side gate drive output (Channel 1 & 2) 21,26 HO1COM, HO2COM Kelvin connection to source of high-side transistor (Channel 1 & 2) 22,25 HO1, HO2 High side gate drive output (Channel 1 & 2) 23 VPP Positive supply voltage input. Connect to positive power supply. Used for power supply sensing. 24 VNN Negative supply voltage input. Connect to positive power supply. Used for power supply sensing. 28 PGND Power ground. This should be connected to the “star” point for the power (output) ground. 31, 32 OCS2LN, OCS2LP Over Current Sense inputs, Channel 2 low-side 33, 34 OCS2HN, OCS2HP Over Current Sense inputs, Channel 2 high-side 35 HMUTE Logic Output. A logic high indicates both amplifiers are muted, due to the mute pin state, or a “fault” such as an overcurrent, undervoltage, or overvoltage condition. 36 NC Do not connect. 37 VHIGH Positive supply voltage sense input. This pin is biased at 2.5V nominally and left floating in typical applications. Typically, external resistors will be connected to VHIGH to lower the supply voltage operation range. See the Application Information for a detailed description on how to lower the supply voltage range. 38 VLOW Negative supply voltage sense input. This pin is biased at 1.25V nominally and left floating in typical applications. Typically, external resistors will be connected to VLOW to lower the supply voltage operation range. See the Application Information for a detailed description on how to lower the supply voltage range. |
Ähnliche Teilenummer - TDA2500 |
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Ähnliche Beschreibung - TDA2500 |
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