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TPA321D Scheda tecnica(PDF) 4 Page - Texas Instruments |
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TPA321D Scheda tecnica(HTML) 4 Page - Texas Instruments |
4 / 24 page www.ti.com PARAMETER MEASUREMENT INFORMATION Audio Input Bias Control VDD 6 5 7 VO+ VDD 1 2 4 BYPASS IN - VDD/2 CI RI CS 1 µF CB 0.1 µF RF SHUTDOWN VO- 8 RL = 8 Ω GND 3 IN+ - + - + TPA321 SLOS312C – JUNE 2000 – REVISED JUNE 2004 Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected BYPASS 2 I to a 0.1-µF to 1-µF capacitor when used as an audio amplifier. GND 7 GND is the ground connection. IN- 4 I IN- is the inverting input. IN- is typically used as the audio input terminal. IN+ 3 I IN+ is the noninverting input. IN+ is typically tied to the BYPASS terminal for SE operations. SHUTDOWN 1 I SHUTDOWN places the entire device in shutdown mode when held high (IDD ~ 0.15 µA). VDD 6 VDD is the supply voltage terminal. VO+ 5 O VO+ is the positive BTL output. VO- 8 O VO- is the negative BTL output. Figure 1. Test Circuit 4 |
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