(VAVDD = VPVDD
參數(shù)資料
型號(hào): MAX9792AETI+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 32/34頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO 3.7W MONO D 28TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 75
系列: DirectDrive®
類型: D 類
輸出類型: 1-通道(單聲道),帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 3.7W x 1 @ 3 歐姆; 180mW x 2 @ 32 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點(diǎn): 消除爆音,LDO,短路保護(hù)和熱保護(hù),關(guān)機(jī)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(4x4)
封裝/外殼: 28-WFQFN 裸露焊盤
包裝: 管件
Typical Operating Characteristics (continued)
(VAVDD = VPVDD = VHPVDD = 5V, VGND = VPGND = VCPGND = 0, ILDO_OUT = 0, CLDO = 2 x 1F, C1 = C2 = 1F. RL = ∞, unless oth-
erwise specified. RIN1 = 20k (AVSPKR = 12dB), RIN2 = 40.2k (AVHP = 0dB), CIN1 = 470nF, CIN2 = CCOM = 1F, measurement BW
= 20kHz AES17, TA = +25°C, unless otherwise noted. Speaker mode: SPKR_EN = 0, HP_EN = 0. Headphone mode: SPKR_EN = 1,
HP_EN = 1.)
MAX9791/MAX9792
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
7
OUTPUT POWER vs. LOAD RESISTANCE
(MAX9792 SPEAKER MODE)
MAX9791
toc07
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
1.0
2.0
3.0
4.0
5.0
0
1.5
2.5
3.5
4.5
0.5
1
100
f = 1kHz
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
(MAX9792 SPEAKER MODE)
MAX9791
toc07a
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
0.5
1.0
1.5
2.0
2.5
0
1100
VPVDD = VAVDD = 3.7V
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
(MAX9791 SPEAKER MODE)
MAX9791
toc08
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
1.0
2.0
3.0
0
1.5
2.5
0.5
1
100
f = 1kHz
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
(MAX9791 SPEAKER MODE)
MAX9791
toc08a
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
0.25
0.50
0.75
1.00
1.25
1.50
0
1
100
VPVDD = VAVDD = 3.7V
THD+N = 10%
THD+N = 1%
EFFICIENCY vs. OUTPUT POWER
(MAX9792 SPEAKER MODE)
MAX9791
toc09
OUTPUT POWER (W)
EFFICIENCY
(%)
1.0
2.0
3.0
70
80
90
100
110
20
10
30
40
50
60
0
04.0
0.5
1.5
2.5
3.5
RL = 8
RL = 3
fIN = 1kHz
EFFICIENCY vs. OUTPUT POWER
(MAX9792 SPEAKER MODE)
MAX9791
toc09a
OUTPUT POWER (W)
EFFICIENCY
(%)
1.2
0.9
0.6
0.3
10
20
30
40
50
60
70
80
90
0
01.5
VPVDD = VAVDD = 3.7V
fIN = 1kHz
RL = 8
RL = 3
EFFICIENCY vs. OUTPUT POWER
(MAX9791 SPEAKER MODE)
MAX9791
toc10
OUTPUT POWER (W)
EFFICIENCY
(%)
1.5
0.9
0.6
70
80
90
100
20
10
30
40
50
60
0
01.8
1.2
0.3
RL = 8
RL = 4
fIN = 1kHz
EFFICIENCY vs. OUTPUT POWER
(MAX9791 SPEAKER MODE)
MAX9791
toc10a
OUTPUT POWER (W)
EFFICIENCY
(%)
0.8
0.6
0.4
0.2
10
20
30
40
50
60
70
80
90
0
01.0
VPVDD = VAVDD = 3.7V
fIN = 1kHz
RL = 8
RL = 4
SPEAKER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9792AETI+ 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9792AETI+T 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9792AEVKIT+ 功能描述:音頻放大器 Windows Vista-Compliant Class D Speaker Amplifiers with DirectDrive Headphone Amplifiers 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9792CETI+ 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9792CETI+T 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel