参数资料
型号: TPA6045A4CRHB
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32
封装: QFN-32
文件页数: 23/30页
文件大小: 1147K
代理商: TPA6045A4CRHB
BYPASS
SPKR_RIN–
Thermal
Pad
CPVDD
GAIN1
32
9
31
10
30
11
29
12
28
13
27
14
26
15
25
16
24
1
23
2
22
3
21
4
20
5
19
6
18
7
17
8
SPKR_EN
GAIN0
HP_EN
VDD
SPGND
REG_OUT
ROUT+
SGND
ROUT–
HP_INL
SPVDD
HP_INR
HPVDD
REG_EN
TPA6045A4CRHB
(TOP VIEW)
SPKR_RIN+
C1P
SPKR_LIN+
CPGND
SPKR_LIN–
C1N
SPGND
CPVSS
LOUT+
HPVSS
LOUT–
HP_OUTR
SPVDD
HP_OUTL
www.ti.com.............................................................................................................................................................................................. SLOS614 – OCTOBER 2008
AVAILABLE PACKAGE OPTIONS
TA
PACKAGED DEVICE(1)(2)
32-Pin QFN (RHB)
–40°C to 85°C
TPA6045A4CRHB
(1)
The RHB package is available taped and reeled. To order a taped and reeled part, add the suffix R to
the part number (e.g., TPA6045A4CRHBR).
(2)
For the most current package and ordering information, see the Package Option Addendum at the end
of this document, or see the TI website at www.ti.com.
TERMINAL FUNCTIONS
TERMINAL
I/O/P
DESCRIPTION
NAME
NO.
SPKR_RIN–
1
I
Right-channel negative differential audio input for speaker amplifier
SPKR_RIN+
2
I
Right-channel positive differential audio input for speaker amplifier
SPKR_LIN+
3
I
Left-channel positive differential audio input for speaker amplifier
SPKR_LIN–
4
I
Left-channel negative differential audio input for speaker amplifier
SPGND
5, 21
P
Speaker power ground
LOUT+
6
O
Left-channel positive audio output
LOUT–
7
O
Left-channel negative audio output
SPVDD
8, 18
P
Supply voltage terminal for speaker amplifier
CPVDD
9
P
Charge pump positive supply, connect to HPVDD via star connection
C1P
10
I/O
Charge pump flying capacitor positive terminal
CPGND
11
P
Charge pump ground
C1N
12
I/O
Charge pump flying capacitor negative terminal
CPVSS
13
P
Charge pump output (negative supply for headphone amplifier), connect to HPVSS
HPVSS
14
P
Headphone amplifier negative supply, connect to CPVSS
HP_OUTR
15
O
Right-channel capacitor-free headphone output
HP_OUTL
16
O
Left-channel capacitor-free headphone output
HPVDD
17
P
Headphone amplifier supply voltage, connect to CPVDD
Copyright 2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPA6045A4C
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