參數(shù)資料
型號(hào): MAX9776ETJ+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 4/38頁(yè)
文件大小: 0K
描述: IC AMP AUDIO PWR 1.5W D 32TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
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: 1.5W x 1 @ 4 歐姆; 60mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²C,靜音,短路和熱保護(hù),關(guān)機(jī),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)
配用: MAX9776EVKIT+-ND - EVALUATION KIT FOR MAX9776
MAX9775/MAX9776
2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
12
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = PVDD = CPVDD = 3.3V, GND = PGND = CPGND = 0V, SHDN = VDD, I2C default gain settings (INA gain = +20dB, INB gain =
INC gain = 0dB, volume setting = 0dB, mono path gain = 0dB, SHDN = 1, SSM = 1). Speaker load resistors (RLSP) are terminated
between OUT_+ and OUT_-, headphone load resistors are terminated to GND, unless otherwise stated. C1 = C2 = C3 = 1F. TA =
+25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
OUTPUT POWER (mW)
THD+N
(%)
MAX9775
toc31
0
30
60
90
120
0.001
0.01
0.1
1
10
100
f = 20Hz
f = 1kHz
f = 10kHz
VDD = 3.3V
RL = 16
Ω
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9775/76
toc32
OUTPUT POWER (mW)
THD+N
(%)
60
40
20
0.01
0.1
1
10
100
0.001
080
VDD = 3.3V
RL = 32
Ω
f = 10kHz
f = 20Hz
f = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. COMMON-MODE VOLTAGE
COMMON-MODE VOLTAGE (V)
THD+N
(%)
MAX9775/6
toc33
0
0.5
1.0
1.5
2.0
2.5
0.001
0.01
0.1
1
10
100
VDD = 3.3V
fIN = 1kHz
POUT = 30mW
GAIN = +3dB
RL = 32
Ω
POWER DISSIPATION
vs. OUTPUT POWER
MAX9775/76
toc34
TOTAL OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
80
40
50
100
150
200
250
300
350
400
450
500
0
120
VDD = 5V
f = 1kHz
RL = 32
Ω
POUT = POUTR + POUTL
POWER DISSIPATION
vs. OUTPUT POWER
MAX9775/76
toc35
TOTAL OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
120
80
40
50
100
150
200
250
300
350
400
450
500
0
160
VDD = 3.3V
f = 1kHz
POUT = POUTR + POUTL
RL = 16
Ω
RL = 32
Ω
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9775/76
toc36
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.2
4.7
4.2
3.7
3.2
35
40
45
50
55
60
65
30
2.7
THD+N = 10%
THD+N = 1%
RL = 32
Ω
f = 1kHz
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參數(shù)描述
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MAX9778ETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9778ETI+T 功能描述:音頻放大器 Integrated Circuits (ICs) 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