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参数资料
| 型号： | MAX9770EUI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 21/22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
8
_______________________________________________________________________________________
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.)
100
10
1
0.1
0.01
0.001
0
50
40
20
10
30
60
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc28
OUTPUT POWER (mW)
THD+N
(%)
RL = 16
Ω
f = 1kHz
f = 10kHz
f = 20Hz
100
10
1
0.1
0.01
0.001
0
60
20
40
80
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc29
OUTPUT POWER (mW)
THD+N
(%)
f = 20Hz
RL = 32
Ω
f = 1kHz
f = 10kHz
100
90
80
70
60
50
40
30
20
10
0
10
100
1000
OUTPUT POWER
vs. LOAD RESISTANCE (HEADPHONE MODE)
MAX9770
toc30
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
VDD = 5V
f = 1kHz
THD+N = 10%
THD+N = 1%
80
70
60
50
40
30
20
10
0
10
100
1000
OUTPUT POWER
vs. LOAD RESISTANCE (HEADPHONE MODE)
MAX9770
toc31
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
f = 1kHz
THD+N = 10%
THD+N = 1%
0
30
20
10
40
50
60
70
80
90
100
2.5
3.5
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (HEADPHONE MODE)
MAX9770
toc32
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
RL = 16
Ω
f = 1kHz
THD+N = 10%
THD+N = 1%
0
10
20
30
40
50
60
70
80
2.5
3.5
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (HEADPHONE MODE)
MAX9770
toc33
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
RL = 32
Ω
f = 1kHz
THD+N = 10%
THD+N = 1%
0
50
100
150
200
250
300
060
30
90
120
150
POWER DISSIPATION
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc34
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
f = 1kHz
POUT = POUTL + POUTR
RL = 16
Ω
RL = 32
Ω
100
10
1
0.1
0.01
0.001
040
80
20
60
100
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc26
OUTPUT POWER (mW)
THD+N
(%)
VDD = 5V
RL = 16
Ω
f = 1kHz
f = 20Hz
f = 10kHz
100
10
1
0.1
0.01
0.001
0
60
20
40
80
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc27
OUTPUT POWER (mW)
THD+N
(%)
f = 20Hz
VDD = 5V
RL = 32
Ω
f = 1kHz
f = 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 |
| MAX9772EBA | 制造商:Maxim Integrated Products 功能描述:1.2WLOW-EMIFILTERLESSMONO CLASS - Rail/Tube |
| MAX9772EBA-T | 制造商:Maxim Integrated Products 功能描述:1.2W,LOW-EMI,FILTERLESS,MONO CLASS D AMP. W S - Tape and Reel |
| 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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