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TPA0103PWP Scheda tecnica(PDF) 3 Page - Texas Instruments |
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TPA0103PWP Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 4 page TPA0103 1.75-W 3-CHANNEL STEREO AUDIO POWER AMPLIFIER SLOS167A – JULY 1997 – REVISED MARCH 2000 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION BYPASS 19 Bypass. BYPASS is a tap to the voltage divider for the internal mid-supply bias. CIN 6 I Center channel input COUT+ 10 O Center channel + output. COUT+ is in an active or high-impedance state unless the device is in a mute state when the MODE A terminal (14) is high and the MODE B terminal (11) is low. COUT– 15 O Center channel – output. COUT– is in an active or high-impedance state unless the device is in a mute state when the MODE A terminal (14) is high and the MODE B terminal (11) is low. GND/HS 1, 12, 13, 24 Ground. GND/HS is the ground connection for circuitry, directly connected to thermal pad. MODE A, 14, 11 I Mode select. MODE A and MODE B determine the output modes of the TPA0103. MODE B TERMINAL 3 CHANNEL MUTE CENTER ONLY L/R ONLY MODE A L H L H MODE B L L H H HP/LINE 16 I Input MUX control input, hold high to select (L/R) HPIN (5, 20), hold low to select (L/R) LINEIN (4, 21). HP/LINE is normally connected to ground when inputs are connected to (L/R) LINEIN. LHPIN 5 I Left channel headphone input, selected when the HP/LINE terminal (16) is held high LLINEIN 4 I Left channel line input, selected when the HP/LINE terminal (16) is held low LOUT 3 O Left channel output. LOUT is active when the MODE A terminal (14) is low and the MODE B terminal (11) is don’t care. MUTE OUT 9 O When the MODE A terminal (14) is high and the MODE B terminal (11) is low, MUTE OUT is high and the device is in a mute state. Otherwise MUTE OUT is low. NC 2, 17, 23 No internal connection RHPIN 20 I Right channel headphone input, selected when the HP/LINE terminal (16) is held high RLINEIN 21 I Right channel line input, selected when the HP/LINE terminal (16) is held low ROUT 22 O Right channel output. ROUT is active when the MODE A terminal (14) is low and the MODE B terminal (11) is don’t care. SHUTDOWN 8 I Places entire IC in shutdown mode when held high, IDD = 5 µA VDD 7, 18 I Supply voltage input. The VDD terminals must be connected together. |
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