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参数资料
| 型号： | MAX9758ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 29/31页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.3W AB 32TQFN |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 类型： | AB 类 |
| 输出类型： | 2-通道（立体声）带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 2.3W x 2 @ 3 欧姆; 130mW x 2 @ 16 欧姆 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 特点： | 消除爆音，短路保护和热保护，关机，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
_______________________________________________________________________________________
7
CROSSTALK vs. FREQUENCY
(SPEAKER MODE)
MAX9756
toc10
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
10
100k
LEFT TO RIGHT
RIGHT TO LEFT
VIN = 200mVP-P
TURN-ON RESPONSE (SPEAKER MODE)
MAX9756 toc11
10ms/div
SHDN
5V/div
OUT_+
2V/div
OUT_-
2V/div
OUT_+ - OUT_-
50mV/div
TURN-OFF RESPONSE (SPEAKER MODE)
MAX9756 toc12
10ms/div
SHDN
5V/div
OUT_+
2V/div
OUT_-
2V/div
OUT_+ - OUT_-
50mV/div
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9756
toc13
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VDD = 5V
RL = 16
OUTPUT POWER = 100mW
OUTPUT POWER = 40mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9756
toc14
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VDD = 5V
RL = 32
OUTPUT POWER = 20mW
OUTPUT POWER = 60mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9756
toc15
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VDD = 3.3V
RL = 16
OUTPUT POWER = 80mW
OUTPUT POWER = 20mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9756
toc16
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VDD = 3.3V
RL = 32
OUTPUT POWER = 50mW
OUTPUT POWER = 20mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9756
toc17
OUTPUT POWER (mW)
THD+N
(%)
180
160
140
120
100
80
60
40
20
0.01
0.1
1
10
100
0.001
0200
HPVDD = 5V
RL = 16
fIN = 100Hz
fIN = 10kHz
fIN = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9756
toc18
OUTPUT POWER (mW)
THD+N
(%)
90
80
70
60
50
40
30
20
10
0.01
0.1
1
10
100
0.001
0100
HPVDD = 5V
RL = 32
fIN = 100Hz
fIN = 10kHz
fIN = 1kHz
Typical Operating Characteristics (continued)
(VDD = PVDD = HPVDD = CPVDD = IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = VDD, REGEN = DR = SET = GND, CBIAS =
1F, CPVSS = 1F, C1 = C2 = 1F, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
22kHz, TA = +25°C, unless otherwise noted.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9759ETE+ | 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier 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 |
| MAX9759ETE+T | 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier 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 |
| MAX9759EUE+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX9759EUE+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 4.3W CLS-D 16TSSOP - Tape and Reel |
| MAX9759EVKIT | 功能描述:音频放大器 Evaluation Kit for the MAX9759 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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