參數(shù)資料
型號： TPA2054D4AYZKT
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 0.94 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA25
封裝： 2.61 X 2.61 MM, GREEN, DSBGA-25
文件頁數(shù)： 25/30頁
文件大小： 858K
代理商： TPA2054D4AYZKT
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
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPA2054D4A
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