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參數資料
| 型號： | TPA2051D3YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.9 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25 |
| 封裝： | 2.16 X 2.11 MM, 0.40 MM PITCH, GREEN, WCSP-25 |
| 文件頁數： | 29/34頁 |
| 文件大小： | 1594K |
| 代理商： | TPA2051D3YFFT |
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SLOS641A – JUNE 2009 – REVISED OCTOBER 2009 ..................................................................................................................................................... www.ti.com
PIN FUNCTIONS
PIN
INPUT/ OUTPUT/
POWER
DESCRIPTION
BALL
NAME
(I/O/P)
WCSP
OUT+
A1
O
Speaker positive output; connect to + terminal of loudspeaker
PVDD
A2
P
Supply for Class-D amplifier. Connect to voltage supply
PGND
A3
P
Ground for Class-D amplifier; connect to GND directly or to the ground
plane
OUT–
A4
O
Speaker negative output; connect to – terminal of loudspeaker
CPN
A5
P
Charge pump flying capacitor negative terminal. Connect negative side of
capacitor between CPP and CPN
AVDD
B1
P
Connect to voltage supply
BYPASS+
B2
I
Bypass Mode positive input
BYPASS–
B3
I
Bypass Mode negative input
DVDD
B4
P
Connect to I2C bus supply voltage
CPP
B5
P
Charge pump flying capacitor positive terminal. Connect positive side of
capacitor between CPP and CPN
MONO–
C1
I
Mono negative differential input
SDA
C2
I/O
I2C data input
SCL
C3
I
I2C clock input
EN
C4
I
Master shutdown
HPL
C5
O
Headphone left channel output
MONO+
D1
I
Mono positive differential input
INL2
D2
I
Input channel 2 left input
INL1
D3
I
Input channel 1 left input
HPVDD
D4
O
Headphone reference voltage. Connect to 2.2
F capacitor to ground
HPVSS
D5
P
Negative supply generated by the charge pump. Connect a 2.2
F cap to
ground to reduce voltage ripple
INR2
E1
I
Input channel 2 right input
INR1
E2
I
Input channel 1 right input
VREF
E3
I
Reference voltage. Connect to 1
F capacitor to ground
AGND
E4
P
Connect to ground plane
HPR
E5
O
Headphone right channel output
ORDERING INFORMATION
TA
PACKAGED DEVICES(1)
PART NUMBER(2)
SYMBOL
TPA2051D3YFFR
TPA2051
–40°C to 85°C
25-ball WSCP
TPA2051D3YFFT
TPA2051
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
Web site at www.ti.com.
(2)
The YFF package is only available taped and reeled. The suffix “R” indicates a reel of 3000, the suffix “T” indicates a reel of 250.
4
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPA2051D3
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