參數(shù)資料
型號: MAX9770
廠商: Maxim Integrated Products, Inc.
英文描述: 1.2W Low-EMI, Filterless, Mono Class D Amplifier with Stereo DirectDrive Headphone Amplifiers
中文描述: 1.2W、低EMI、無需慮波、單聲道D類放大器,帶有立體聲DirectDrive耳機放大器
文件頁數(shù): 6/24頁
文件大?。?/td> 493K
代理商: MAX9770
M
1.2W Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
6
_______________________________________________________________________________________
Typic al Operating Charac teristic s (c ontinued)
(V
DD
= 3.3V, BW = 22Hz to 22kHz, GAIN1 = 1, GAIN2 = 0, spread-spectrum mode, headphone outputs in phase.)
0
30
20
10
40
50
60
70
80
90
100
0
0.4
0.2
0.6
0.8
1.0
EFFICIENCY vs. OUTPUT POWER
M
OUTPUT POWER (W)
E
R
L
= 8
R
L
= 4
f = 1kHz
0
-10
-20
-30
-40
-50
-60
-70
-80
10
1k
10k
100
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
M
FREQUENCY (Hz)
P
V
RIPPLE
= 200mV
P-P
R
L
= 8
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT SPECTRUM
(SPEAKER MODE)
M
FREQUENCY (kHz)
M
0
5
10
15
20
R
L
= 8
f = 1kHz
FFM MODE
V
IN
= -60dBV
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT SPECTRUM
(SPEAKER MODE)
M
FREQUENCY (kHz)
M
0
5
10
15
20
R
= 8
f = 1kHz
SSM MODE
V
IN
= -60dBV
-160
-100
-120
-140
-60
-80
-20
-40
0
OUTPUT SPECTRUM
(SPEAKER MODE)
M
FREQUENCY (kHz)
M
0
5
10
15
20
R
L
= 8
f = 1kHz
SSM MODE
A-WEIGHTED
V
IN
= -60dBV
0
-100
1M
10M
FREQUENCY (Hz)
100M
WIDEBAND OUTPUT SPECTRUM
(SPEAKER MODE)
-80
M
M
-60
-40
-20
-30
-50
-70
-90
-10
FFM MODE
RBW = 10kHz
0
-100
1M
10M
FREQUENCY (Hz)
100M
WIDEBAND OUTPUT SPECTRUM
(SPEAKER MODE)
-80
M
M
-60
-40
-20
-30
-50
-70
-90
-10
SSM MODE
RBW = 10kHz
STARTUP WAVEFORM
(SPEAKER MODE)
MAX9770 toc20
4ms/div
2V/div
SHDN
OUT+ - OUT-
500mV/div
R
L
= 8
f = 1kHz
MIXER OUTPUT
MAX9770 toc21
400
μ
s/div
10kHz
1V/div
4kHz
1V/div
1kHz
2V/div
IN_1
IN_2
MONO
OUT
1V/div
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9770ETI 制造商:Maxim Integrated Products 功能描述:1.2W LOW-EMI, FILTERLESS, MONO CLASS D AMPLIF - Rail/Tube
MAX9770ETI+ 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
MAX9770ETI+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
MAX9770EUI 制造商:Rochester Electronics LLC 功能描述:
MAX9770EUI+ 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