(Measurement BW = 22Hz to 22kHz, TA = +25" />
參數資料
型號: MAX9750AEUI+T
廠商: Maxim Integrated Products
文件頁數: 28/30頁
文件大小: 0K
描述: IC AMP AUDIO PWR 2.6W AB 28TSSOP
標準包裝: 2,500
系列: DirectDrive®
類型: AB 類
輸出類型: 2-通道(立體聲)帶立體聲耳機
在某負載時最大輸出功率 x 通道數量: 2.6W x 2 @ 3 歐姆; 110mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,短路保護和熱保護,關機,音量控制
安裝類型: 表面貼裝
供應商設備封裝: 28-TSSOP
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
包裝: 帶卷 (TR)
Typical Operating Characteristics (continued)
(Measurement BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
7
OUTPUT POWER
vs. LOAD RESISTANCE (SPEAKER MODE)
MAX9750/51
toc10
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
10
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
1
100
THD+N = 10%
THD+N = 1%
OUTPUT POWER
vs. LOAD RESISTANCE (SPEAKER MODE)
MAX9750/51
toc11
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
3.0
0
0.5
1.0
1.5
2.0
2.5
1
10
100
THD+N = 10%
THD+N = 1%
VCC = 5V
f = 1kHz
AV = 10.5dB
MAX9750C
POWER DISSIPATION vs. OUTPUT POWER
(SPEAKER MODE)
MAX9750/51
toc12
OUTPUT POWER (W)
POWER
DISSIPATION
(W)
3
2
1
2
3
4
5
0
04
RL = 4
Ω
RL = 8
Ω
VDD = 5V
f = 1kHz
POUT = POUTL + POUTR
POWER DISSIPATION vs. OUTPUT POWER
(SPEAKER MODE)
MAX9750/51
toc13
OUTPUT POWER (W)
POWER
DISSIPATION
(W)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1
2
3
4
5
0
4.0
RL = 4
Ω
RL = 8
Ω
VDD = 5V
f = 1kHz
POUT = POUTL + POUTR
MAX9750C
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
MAX9750/51
toc14
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 200mVP-P
AV = 10.5dB
OUTPUT REFERRED
0
-120
10
1k
10k
100
100k
CROSSTALK vs. FREQUENCY
(SPEAKER MODE)
MAX9750/51
toc15
FREQUENCY (Hz)
CROSSTALK
(dB)
-100
-110
-80
-90
-60
-70
-40
-50
-20
-10
-30
VCC = 5V
VRIPPLE = 200mVP-P
RL = 4
Ω
LEFT TO RIGHT
RIGHT TO LEFT
TURN-ON RESPONSE
(SPEAKER MODE)
MAX9750/51 toc16
20ms/div
SHDN
5V/div
2V/div
100mV/div
OUT_+
AND
OUT_-
OUT_+
- OUT_-
RL = 8
Ω
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相關代理商/技術參數
參數描述
MAX9750AEVKIT 功能描述:放大器 IC 開發(fā)工具 RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
MAX9750BETI 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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
MAX9750BETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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
MAX9750BETI+T 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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
MAX9750BETI-T 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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