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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(jī)放大器 |
| 文件頁數(shù)： | 8/24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
8
_______________________________________________________________________________________
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.)
80
70
60
50
40
30
20
10
0
10
100
1000
OUTPUT POWER
vs. LOAD RESISTANCE (HEADPHONE MODE)
M
LOAD RESISTANCE (
)
O
f = 1kHz
THD+N = 10%
THD+N = 1%
0
30
20
10
40
50
60
70
80
90
100
2.5
3.5
SUPPLY VOLTAGE (V)
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (HEADPHONE MODE)
M
O
R
= 16
f = 1kHz
THD+N = 10%
THD+N = 1%
0
10
20
30
40
50
60
70
80
2.5
3.5
SUPPLY VOLTAGE (V)
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (HEADPHONE MODE)
M
O
R
L
= 32
f = 1kHz
THD+N = 10%
THD+N = 1%
0
50
100
150
200
250
300
0
60
30
90
120
150
POWER DISSIPATION
vs. OUTPUT POWER (HEADPHONE MODE)
M
OUTPUT POWER (mW)
P
f = 1kHz
P
OUT
= P
OUTL
+ P
OUTR
R
L
= 16
R
L
= 32
0
-100
10
100
1k
10k
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (HEADPHONE MODE)
-80
M
FREQUENCY (Hz)
P
-60
-40
-20
-30
-50
-70
-90
-10
V
DD
= 5V
V
RIPPLE
= 200mV
P-P
R
L
= 32
0
-100
10
100
1k
10k
100k
CROSSTALK vs. FREQUENCY
(HEADPHONE MODE)
-80
M
FREQUENCY (Hz)
C
-60
-40
-20
-30
-50
-70
-90
-10
R
= 32
f = 1kHz
V
IN
= 200mV
P-P
LEFT TORIGHT
RIGHT TOLEFT
0
-100
10
100
1k
10k
100k
FEEDTHROUGH vs. FREQUENCY
-80
M
FREQUENCY (Hz)
F
-60
-40
-20
-30
-50
-70
-90
-10
SEL1 = 0
SEL2 = 1
IN1_ = GND
IN2_ = DRIVEN
V
IN
= 2V
P-P
HEADPHONE MODE
SPEAKER MODE
0
10
30
20
50
40
60
20
30
40
50
OUTPUT POWER
vs. CHARGE-PUMP CAPACITANCE
M
LOAD (
)
O
C1 = C2 = 1
μ
F
C1 = C2 = 0.47
μ
F
f = 1kHz
THD+N = 1%
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT SPECTRUM
(HEADPHONE MODE)
M
FREQUENCY (kHz)
M
0
5
10
15
20
R
= 32
f = 1kHz
V
IN
= -60dBV
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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(fēng)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(fēng)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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