參數(shù)資料
型號： MAX9792CETI+
廠商： Maxim Integrated Products
文件頁數(shù)： 3/34頁
文件大?。?/td> 0K
描述： IC AMP AUDIO 2.0W STER D 28TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
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
MAX9791/MAX9792
HEADPHONE OUTPUT POWER
vs. HPVDD
MAX9791
toc29
HPVDD (V)
HEADPHONE
OUTPUT
POWER
(mW)
5.0
4.5
4.0
3.5
3.0
50
100
150
200
250
0
2.5
5.5
THD+N = 1%
f = 1kHz
RL = 32
RL = 16
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
______________________________________________________________________________________
11
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9791
toc26
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
100
50
70
90
0
60
80
10
30
20
40
10
1000
VHPVDD = 3V
f = 1kHz
THD+N = 10%
THD+N = 1%
POWER DISSIPATION vs. OUTPUT POWER
(HEADPHONE MODE)
MAX9791
toc27
PER CHANNEL OUTPUT POWER (mW)
POWER
DISSIPATION
PER
CHANNEL
(mW)
50
100
150
200
250
300
50
100
150
350
400
0
200
25
75
125
175
RL = 32
RL = 16
POWER DISSIPATION vs. OUTPUT POWER
(HEADPHONE MODE)
MAX9791
toc28
PER CHANNEL OUTPUT POWER (mW)
POWER
DISSIPATION
PER
CHANNEL
(mW)
20
100
150
200
50
250
300
0
0100
80
40
60
RL = 32
VHPVDD = 3V
RL = 16
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (HEADPHONE MODE)
MAX9791
toc30
FREQUENCY (kHz)
PSRR
(dB)
0.1
1
10
-90
-80
-110
-100
-50
-40
-30
-70
-60
-20
-10
0
-120
0.01
100
VRIPPLE = 200mVP-P
RL = 32
LEFT
RIGHT
CROSSTALK vs. FREQUENCY
(HEADPHONE MODE)
MAX9791
toc31
FREQUENCY (kHz)
CROSSTALK
(dB)
0.1
1
10
-90
-80
-50
-40
-30
-70
-60
-20
-100
0.01
100
RIGHT TO LEFT
COM AND SENSE
DISABLED
RIGHT TO LEFT
COM AND SENSE
DISABLED
LEFT TO RIGHT
COM AND SENSE
RL = 32
FS = 300mVRMS
VIN = -20dBFS
RIGHT TO LEFT
COM AND SENSE
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.)
HEADPHONE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
MAX9796EBX+TG45 功能描述:音頻放大器 2.3W High-Power Class D Subsystem 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
MAX9796EVKIT 制造商:Maxim Integrated Products 功能描述:2.3W HIGH-POWER CLASS D AUDIO SUBS - Rail/Tube
MAX9796EVKIT+ 制造商:Maxim Integrated Products 功能描述:MAX9796 EVAL KIT - Boxed Product (Development Kits)
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