參數(shù)資料
型號(hào): MAX9773ETG+
廠商: Maxim Integrated Products
文件頁數(shù): 18/21頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 1.8W D 24TQFN
標(biāo)準(zhǔn)包裝: 75
類型: D 類
輸出類型: 2 通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 1.8W x 2 @ 4 歐姆
電源電壓: 2.6 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,短路和熱保護(hù),關(guān)閉
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 24-TQFN-EP(4x4)
封裝/外殼: 24-WFQFN 裸露焊盤
包裝: 管件
MAX9773
1.8W, Filterless, Ultra-Low EMI,
Stereo Class D Audio Power Amplifier
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = VPVDD = VSHDN = 3.3V, VGND = VPGND = 0V, SYNC = VDD (SSM), gain = 12dB (GAIN1 = 1, GAIN2 = 1)).
CROSSTALK vs. FREQUENCY
MAX9773
toc19
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-140
10
100k
RIGHT TO LEFT
LEFT TO RIGHT
POUT = 300mW
RL = 8
CROSSTALK vs. INPUT AMPLITUDE
MAX9773
toc20
INPUT AMPLITUDE (dB)
CROSSTALK
(dBV)
-14
-34
-54
-74
-90
-100
-110
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
-94
6
fIN = 1kHz
RL = 8
ONE CHANNEL DRIVEN
OUTPUT FREQUENCY SPECTRUM
MAX9773
toc21
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
FFM MODE
VOUT = -60dBV
f = 1kHz
RL = 8
UNWEIGHTED
OUTPUT FREQUENCY SPECTRUM
MAX9773
toc22
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
SSM MODE
VOUT = -60dB
f = 1kHz
RL = 8
UNWEIGHTED
OUTPUT POWER vs. LOAD RESISTANCE
MAX9773
toc16
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
0.2
0.4
0.6
0.8
1.0
1.2
0
1100
VDD = 3.3V, f = 1kHz,
ZLOAD = 33
H
IN SERIES WITH RL
THD+N = 10%
THD+N = 1%
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9773
toc17
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 100mVP-P
RL = 8
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9773
toc18
FREQUENCY (Hz)
CMRR
(dB)
10k
1k
100
10
20
30
40
50
60
70
80
90
100
0
10
100k
VRIPPLE = 100mVP-P
RL = 8
VDD = 5V
VDD = 3.3V
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MAX9773ETG+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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