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TPA0103 from TI, Texas Instruments 600pcs , SSMD,1.75-W 3-Channel Stereo Audio Power Amplifier
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TPA0103 TI N/a 600
features a full shutdown function for power sensitive applications holding the bias currentto 5 m A.The PowerPAD package (PWP) delivers a level of thermal performance that was previously achievable onlyin TO-220-type packages. Thermal impedances of less than 35°C/W are readily realized in multilayer PCBapplications. This allows the TPA0103 to operate at full power at ambient temperature of up to 85°C.AVAILABLE OPTIONSPACKAGET†ATSSOP(PWP)–40°C to 85°C TPA0103PWP†The PWP package is available in left-ended tapeand reel only (e.g., TPA0103PWPLE).2POST OFFICE BOX 655303 • DALLAS, TEXAS 75265TPA0103 1.75-W 3-CHANNEL STEREO AUDIO POWER AMPLIFIERSLOS167A – JULY 1997 – REVISED MARCH 2000Terminal FunctionsTERMINALI/O I/O DESCRIPTION DESCRIPTIONNAME NO.BYPASS 19 Bypass. BYPASS is a tap to the voltage divider for the internal mid-supply bias.CIN 6 I Center channel inputCOUT+ 10 O Center channel + output. COUT+ is in an active or high-impedance state unless the device is in a mute statewhen 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 statewhen the MODE A terminal (14) is high and the MODE B terminal (11) is low.GND/HS 1, 12, Ground. GND/HS is the ground connection for circuitry, directly connected to thermal pad.13, 24MODE A, 14, 11 I Mode select. MODE A and MODE B determine the output modes of the TPA0103.MODE BTERMINAL 3 CHANNEL MUTE CENTER L/RONLY ONLYMODE A L H L HMODE B L L H HHP/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/LINEis 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 highLLINEIN 4 I Left channel line input, selected when the HP/LINE terminal (16) is held lowLOUT 3 O Left channel output. LOUT is active when the MODE A terminal (14) is low and the MODE B terminal (11) isdon’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 deviceis in a mute state. Otherwise MUTE OUT is low.NC 2, 17, No internal connection23RHPIN 20 I Right channel headphone input, selected when the HP/LINE terminal (16) is held highRLINEIN 21 I Right channel line input, selected when the HP/LINE terminal (16) is held lowROUT 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, I = 5 m ADDV 7, 18 I Supply voltage input. The V terminals must be connected together.DD DD3POST OFFICE BOX 655303 • DALLAS, TEXAS 75265TPA0103 1.75-W 3-CHANNEL STEREO AUDIO POWER AMPLIFIERSLOS167A – JULY 1997 – REVISED MARCH 2000†absolute

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