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参数资料
| 型号： | MAX9770EUI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 19/22页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 1.2W MONO D 28TSSOP |
| 标准包装： | 2,500 |
| 类型： | D 类 |
| 输出类型： | 1-通道（单声道），带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 1.2W x 1 @ 8 欧姆; 80mW x 2 @ 16 欧姆 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 特点： | 消除爆音，输入多路复用器，静音，短路和热保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 28-TSSOP |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
MAX9770
1.2W, Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = 3.3V, BW = 22Hz to 22kHz, GAIN1 = 1, GAIN2 = 0, spread-spectrum mode, headphone outputs in phase, unless otherwise
noted.)
1.0
0
1
10
100
OUTPUT POWER
vs. LOAD RESISTANCE (SPEAKER MODE)
0.2
MAX9770
toc10
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
0.4
0.6
0.8
f = 1kHz
THD+N = 10%
THD+N = 1%
2.0
1.5
1.0
0.5
0
2.5
4.0
3.0
3.5
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (SPEAKER MODE)
MAX9770
toc11
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
f = 1kHz
RL = 8
Ω
THD+N = 10%
THD+N = 1%
0
30
20
10
50
40
90
80
70
60
100
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
EFFICIENCY vs. OUTPUT POWER
MAX9770
toc12
OUTPUT POWER (W)
EFFICIENCY
(%)
VDD = 5V
f = 1kHz
RL = 8
Ω
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
MAX9770
toc13
OUTPUT POWER (W)
EFFICIENCY
(%)
RL = 8
Ω
RL = 4
Ω
f = 1kHz
0
-10
-20
-30
-40
-50
-60
-70
-80
10
1k
10k
100
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
MAX9770
toc14
FREQUENCY (Hz)
PSRR
(dB)
VRIPPLE = 200mVP-P
RL = 8
Ω
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT SPECTRUM
(SPEAKER MODE)
MAX9770
toc15
FREQUENCY (kHz)
MAGNITUDE
(dB)
05
10
15
20
RL = 8
Ω
f = 1kHz
FFM MODE
VIN = -60dBV
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT SPECTRUM
(SPEAKER MODE)
MAX9770
toc16
FREQUENCY (kHz)
MAGNITUDE
(dB)
05
10
15
20
RL = 8
Ω
f = 1kHz
SSM MODE
VIN = -60dBV
-160
-100
-120
-140
-60
-80
-20
-40
0
OUTPUT SPECTRUM
(SPEAKER MODE)
MAX9770
toc17
FREQUENCY (kHz)
MAGNITUDE
(dB)
05
10
15
20
RL = 8
Ω
f = 1kHz
SSM MODE
A-WEIGHTED
VIN = -60dBV
40
-60
1M
10M
100M
WIDEBAND OUTPUT SPECTRUM
(SPEAKER MODE)
-40
MAX9770
toc18
FREQUENCY (Hz)
MAGNITUDE
(dBV)
-20
0
20
10
-10
-30
-50
30
FFM MODE
RBW = 10kHz
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相关代理商/技术参数 |
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| MAX9770EVKIT | 功能描述:音频 IC 开发工具 Programmers, Development Systems RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
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| MAX9773EBP+TG45 | 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9773ETG+ | 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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