參數(shù)資料
型號(hào): MAX9791AETI+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 5/34頁(yè)
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(biāo)準(zhǔn)包裝: 75
系列: DirectDrive®
類(lèi)型: D 類(lèi)
輸出類(lèi)型: 2-通道(立體聲)帶立體聲耳機(jī)和超低音器
在某負(fù)載時(shí)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(diǎn): 消除爆音,LDO,短路保護(hù)和熱保護(hù),關(guān)機(jī)
安裝類(lèi)型: 表面貼裝
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
封裝/外殼: 28-WFQFN 裸露焊盤(pán)
包裝: 管件
MAX9791/MAX9792
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
______________________________________________________________________________________
13
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9791
toc36
FREQUENCY (kHz)
THD+N
(dBFS)
0.1
1
10
-90
-100
-80
-50
-40
-30
-70
-60
-20
-10
0
-110
0.01
100
RL = 10k
VIN = -3dBFS
FS = 707mVRMS
FS = 1VRMS
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9791
toc37
FREQUENCY (kHz)
THD+N
(dBFS)
0.1
1
10
-90
-100
-80
-50
-40
-30
-70
-60
-20
-10
0
-110
0.01
100
VHPVDD = 3V
RL = 10k
VIN = -3dBFS
FS = 707mVRMS
FS = 1VRMS
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9791
toc38
OUTPUT POWER (mW)
THD+N
(%)
1.0
2.0
3.0
0.001
0.01
0.1
1
10
100
0.0001
04.0
0.5
1.5
2.5
3.5
RL = 10k
f = 6kHz
f = 1kHz
f = 100Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9791
toc39
OUTPUT POWER (mW)
THD+N
(%)
2.0
1.5
1.0
0.001
0.01
0.1
1
10
100
0.0001
03.0
2.5
0.5
VHPVDD = 3V
RL = 10k
f = 6kHz
f = 1kHz
f = 100Hz
CROSSTALK vs. FREQUENCY
(HEADPHONE MODE)
MAX9791
toc40
FREQUENCY (kHz)
CROSSTALK
(dB)
0.1
1
10
-90
-80
-110
-100
-50
-40
-30
-70
-60
-20
-120
0.01
100
LEFT TO RIGHT
COM AND SENSE
RL = 10k
FS = 707mVRMS
VIN = -20dBFS
RIGHT TO LEFT
COM AND SENSE
OUTPUT FREQUENCY SPECTRUM
(HEADPHONE MODE)
MAX9791
toc41
FREQUENCY (kHz)
OUTPUT
FREQUENCY
SPECTRUM
(dB)
510
15
-120
-100
-40
-20
0
-80
-60
-140
020
RIGHT AND LEFT
RL = 10k
FS = 300mVRMS
VIN = -60dBFS
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.)
LINE OUT
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參數(shù)描述
MAX9791AETI+ 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(lèi)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
MAX9791AETI+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(lèi)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
MAX9791AEVKIT+ 功能描述:音頻放大器 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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+ 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(lèi)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(lèi)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