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TPA2054D4AYZKT 数据表(PDF) 4 Page - Texas Instruments |
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TPA2054D4AYZKT 数据表(HTML) 4 Page - Texas Instruments |
4 / 30 page TPA2054D4A SLOS666 – MAY 2010 www.ti.com TERMINAL FUNCTIONS TERMINAL INPUT/ OUTPUT/ DESCRIPTION BALL POWER (I/O/P) NAME WCSP OUTL+ A5 O Left speaker positive output; connect to + terminal of loudspeaker DVDD A4 P I2C supply voltage; connect to 1.8V digital supply Channel 1 right input (SE-In mode); Left– input (Diff-In mode); connect to ground through 0.47 mF INR_1 A3 I capacitor if unused Channel 1 left input (SE-In mode); Left+ input (Diff-In mode); connect to ground through 0.47 mF INL_1 A2 I capacitor if unused VREF A1 I 1.65 V reference voltage; connect a 1 mF capacitor to ground OUTL– B5 O Left speaker negative output; connect to negative terminal of loudspeaker Set to logic low to shut device down and return all I2C registers to default state; I2C can only be RESET B4 I programmed once RESET returns to logic high Channel 2 left input (SE-In mode); Right+ input (Diff-In mode); connect to ground through 0.47 mF INL_2 B3 I capacitor if unused Channel 2 right input (SE-In mode); Right– input (Diff-In mode); connect to ground through 0.47 mF INR_2 B2 I capacitor if unused CPP B1 P Charge pump flying capacitor positive terminal; connect positive side of capacitor between CPP and CPN PGND C5 P Class-D ground; connect to ground AGND C4 P Analog ground; connect to ground SCL C3 I/O I2C clock input SDA C2 I/O I2C data input Charge pump flying capacitor negative terminal; connect negative side of capacitor between CPP and CPN C1 P CPN OUTR– D5 O Right speaker negative output; connect to negative terminal of loudspeaker AVDD D4 P Supply voltage MONO- D2 I Inverting mono input, typically connected to baseband OUT- MONO+ D3 I Non-inverting mono input, typically connected to baseband OUT+ Negative supply generated by the charge pump; connect a 1mF capacitor to ground to reduce voltage HPVSS D1 P ripple OUTR+ E5 O Right speaker positive output; connect to positive terminal of loudspeaker PVDD E4 P Supply voltage HPLEFT E3 O Headphone left channel output VDDHP E2 P Headphone charge pump supply voltage HPRIGHT E1 O Headphone right channel output ABSOLUTE MAXIMUM RATINGS (1) over operating free-air temperature range, TA = 25°C (unless otherwise noted) VALUE UNIT Supply voltage VDDHP, PVDD, AVDD –0.3 to 6.0 V DVDD –0.3 to 3.6 V VI Input voltage INL_1, INL_2, INR_1, INR_2, MONO+, MONO- –0.3 to VDD + 0.3 V SDA, SCL, RESET –0.3 to DVDD + 0.3 V Output continuous total power dissipation See Dissipation Rating Table TA Operating free-air temperature range –40 to 85 °C TJ Operating junction temperature range –40 to 150 °C Tstg Storage temperature range –65 to 150 °C ESD Electrostatic discharge, OUTL+, OUTL–, OUTR+, OUTR– 2 k V HBM HPLEFT and HPRIGHT 8 k V (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TPA2054D4A |
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