參數(shù)資料
型號: MAX9770EUI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 音頻/視頻放大
英文描述: 1.2W Low-EMI, Filterless, Mono Class D Amplifier with Stereo DirectDrive Headphone Amplifiers
中文描述: 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO28
封裝: 4.40 MM, MO-153AE, TSSOP-28
文件頁數(shù): 19/24頁
文件大?。?/td> 493K
代理商: MAX9770EUI
M
1.2W Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
______________________________________________________________________________________
19
Bloc k Diagram
HPS
IN1_L
GAIN2
HPS
V
DD
V
DD
GND
GND
V
DD
GAIN1
SELM
SEL1
V
DD
CPV
DD
C1P
C1N
CPV
SS
SV
SS
GND
OSC/2
C1
1
μ
F
C
IN
0.47
μ
F
C2
1
μ
F
1
μ
F
CPGND
SYNC
25
(28)
21
(24)
22
(25)
14
(17)
12
(15)
13
(16)
10
(13)
7
(10)
9
(12)
11
(14)
8
(11)
5
(8)
26
(1)
16
(19)
20
(23)
18
(21)
19
(22)
17
(20) PGND
2
(5)
6
(9)
4
(7)
3
(6)
HPOUTL
HPOUTR
1
μ
F
0.1
μ
F
2.5V TO5.5V
MIXER/
MUX/GAIN
CONTROL
LEFT-CHANNEL
AUDIOINPUT 1
IN1_R
C
IN
0.47
μ
F
28
(3)
RIGHT-CHANNEL
AUDIOINPUT 1
MONO
C
IN
0.47
μ
F
23
(26)
MONO
AUDIOINPUT
IN2_L
C
IN
0.47
μ
F
24
(27)
LEFT-CHANNEL
AUDIOINPUT 2
IN2_R
C
IN
0.47
μ
F
27
(2)
RIGHT-CHANNEL
AUDIOINPUT 2
CHARGE
PUMP
MUX AND
GAIN CONTROL
HEADPHONE
DETECTION
SHUTDOWN
CONTROL
OSCILLATOR
H-BRIDGE
V
DD
OUT+
PV
DD
2.5V TO5.5V
V
DD
OUT-
V
DD
SEL2
15
(18)
SHDN
( ) TSSOP PIN.
C
BIAS
0.047
μ
F
CLASS D
MODULATOR
MAX9770
1
(4) BIAS
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MAX9770EUI+T 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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