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TPA2005D1DGN Folha de dados(PDF) 4 Page - Texas Instruments |
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TPA2005D1DGN Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 24 page www.ti.com PIN ASSIGNMENTS (A1) (B1) (A4) (C4) (D4) (SIDE VIEW) MicroStar Juniort (GQY) PACKAGE (TOP VIEW) NC VDD SHUTDOWN IN+ IN− VO− VDD VO+ (C1) (D1) (B4) GND 8 SHUTDOWN NC IN+ IN− VO− GND VDD VO+ 8-PIN QFN (DRB) PACKAGE (TOP VIEW) 7 6 5 1 2 3 4 NC − No internal connection VO− GND VDD VO+ 8 7 6 5 1 2 3 4 SHUTDOWN NC IN+ IN− 8-PIN MSOP (DGN) PACKAGE (TOP VIEW) _ + _ + _ + _ + 150 k Ω 150 k Ω _ + _ + Deglitch Logic Deglitch Logic Gate Drive Gate Drive VDD Short Circuit Detect Startup & Thermal Protection Logic Ramp Generator Biases and References TTL Input Buffer SD Gain = 2 V/V B4, C4 VDD A4 VO− D4 VO+ † GND D1 IN− C1 IN+ A1 SHUTDOWN † A2, A3, B3, C2, C3, D2, D3 (terminal labels for MicroStar Junior ™ package) TPA2005D1-Q1 SLOS474 – AUGUST 2005 A. The shaded terminals are used for electrical and thermal connections to the ground plane. All of the shaded terminals must be electrically connected to ground. No connect (NC) terminals still need a pad and trace. B. The thermal pad of the DRB and DGN packages must be electrically and thermally connected to a ground plane. Terminal Functions TERMINAL I/O DESCRIPTION NAME ZQY, GQY DRB, DGN IN- D1 4 I Negative differential input IN+ C1 3 I Positive differential input VDD B4, C4 6 I Power supply VO+ D4 5 O Positive BTL output A2, A3, B3, GND C2, C3, D2, 7 I High-current ground D3 VO- A4 8 O Negative BTL output SHUTDOWN A1 1 I Shutdown terminal (active low logic) NC B1 2 No internal connection Thermal Pad Must be soldered to a grounded pad on the PCB. FUNCTIONAL BLOCK DIAGRAM 4 |
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