參數(shù)資料
型號： MAX9758ETJ+T
廠商： Maxim Integrated Products
文件頁數(shù)： 28/31頁
文件大?。?/td> 0K
描述： IC AMP AUDIO PWR 2.3W AB 32TQFN
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(shù)量： 2.3W x 2 @ 3 歐姆; 130mW 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(guān)機，音量控制
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 32-TQFN-EP（5x5）
封裝/外殼： 32-WFQFN 裸露焊盤
包裝： 帶卷 (TR)
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
6
_______________________________________________________________________________________
Typical Operating Characteristics
(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.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9756
toc01
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VDD = 5V
RL = 3
OUTPUT POWER = 500mW
OUTPUT POWER = 1.8W
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9756
toc02
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VDD = 5V
RL = 4
OUTPUT POWER = 500mW
OUTPUT POWER = 1.5W
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9756
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VDD = 5V
RL = 8
OUTPUT POWER = 500mW
OUTPUT POWER = 1W
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9756
toc04
OUTPUT POWER (W)
THD+N
(%)
3.0
2.5
2.0
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
03.5
VDD = 5V
RL = 3
fIN = 100Hz
fIN = 1kHz
fIN = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9756
toc05
OUTPUT POWER (W)
THD+N
(%)
3.0
2.5
2.0
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
0
3.5
VDD = 5V
RL = 4
fIN = 100Hz
fIN = 1kHz
fIN = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9756
toc06
OUTPUT POWER (W)
THD+N
(%)
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
02.0
VDD = 5V
RL = 8
fIN = 100Hz
fIN = 1kHz
fIN = 10kHz
OUTPUT POWER
vs. LOAD RESISTANCE (SPEAKER MODE)
MAX9756
toc07
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
0.5
1.0
1.5
2.0
2.5
3.0
0
1100
VDD = 5V
f = 1kHz
THD+N = 10%
THD+N = 1%
POWER DISSIPATION vs. OUTPUT POWER
(SPEAKER MODE)
MAX9756
toc08
OUTPUT POWER (W)
POWER
DISSIPATION
(W)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.0
1.5
2.0
2.5
3.0
0
4.0
f = 1kHz
POUT = POUTL + POUTR
RL = 8
RL = 4
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
MAX9756
toc09
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
10
100k
VRIPPLE = 200mVP-P
RL = 8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9759ETE+ 功能描述:音頻放大器 3.2W 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9759ETE+T 功能描述:音頻放大器 3.2W 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝: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:音頻放大器 Evaluation Kit for the MAX9759 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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