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參數(shù)資料
型號: MAX9791BETI+
廠商: Maxim Integrated Products
文件頁數(shù): 2/34頁
文件大小: 0K
描述: IC AMP AUDIO 2.2W STER D 28TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 75
系列: DirectDrive®
類型: D 類
輸出類型: 2-通道(立體聲)帶立體聲耳機和超低音器
在某負載時最大輸出功率 x 通道數(shù)量: 2.2W x 2 @ 4 歐姆; 180mW x 2 @ 32 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,LDO,短路保護和熱保護,關(guān)機
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
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
10
______________________________________________________________________________________
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9791
toc17
FREQUENCY (kHz)
THD+N
(dBFS)
1
-80
-90
-70
-60
-100
0.01
100
FS = 300mVRMS
FS = 1VRMS
0.1
10
-50
RL = 16
VIN = -3dBFS
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9791
toc18
FREQUENCY (kHz)
THD+N
(dBFS)
1
-80
-90
-70
-60
-100
0.01
100
FS = 300mVRMS
FS = 1VRMS
0.1
10
-50
VHPVDD = 3V
RL = 16
VIN = -3dBFS
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9791
toc19
FREQUENCY (kHz)
THD+N
(dBFS)
1
-80
-90
-70
-60
-100
0.01
100
FS = 300mVRMS
FS = 1VRMS
0.1
10
-50
RL = 32
VIN = -3dBFS
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9791
toc20
FREQUENCY (kHz)
THD+N
(dBFS)
1
-80
-90
-70
-60
-100
0.01
100
FS = 300mVRMS
FS = 1VRMS
0.1
10
-50
VHPVDD = 3V
RL = 32
VIN = -3dBFS
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9791
toc21
OUTPUT POWER (mW)
THD+N
(%)
160
0.1
0.01
1
10
0.001
0
200
f = 6kHz
f = 1kHz
f = 100Hz
120
40
80
100
RL = 16
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9791
toc22
OUTPUT POWER (mW)
THD+N
(%)
0.1
0.01
1
10
0.001
050
250
f = 6kHz
f = 1kHz
f = 100Hz
200
150
100
RL = 32
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9791
toc23
OUTPUT POWER (mW)
THD+N
(%)
10
0.1
0.01
1
10
0.001
050
40
90
f = 6kHz
f = 1kHz
f = 100Hz
80
70
60
30
20
100
VHPVDD = 3V
RL = 16
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9791
toc24A
OUTPUT POWER (mW)
THD+N
(%)
10
0.1
0.01
1
10
0.001
050
40
70
f = 6kHz
f = 1kHz
f = 100Hz
60
30
20
100
VHPVDD = 3V
RL = 32
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9791
toc25
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
10
50
150
250
0
100
200
1100
f = 1kHz
THD+N = 10%
THD+N = 1%
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
MAX9791BETI+ 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
MAX9791BETI+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
MAX9791CETI+ 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
MAX9791CETI+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
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