參數(shù)資料
型號: MAX9770ETI+
廠商: Maxim Integrated Products
文件頁數(shù): 21/22頁
文件大?。?/td> 0K
描述: IC AMP AUDIO 1.2W MONO D 28TQFN
標準包裝: 60
類型: D 類
輸出類型: 1-通道(單聲道),帶立體聲耳機
在某負載時最大輸出功率 x 通道數(shù)量: 1.2W x 1 @ 8 歐姆; 80mW x 2 @ 16 歐姆
電源電壓: 2.5 V ~ 5.5 V
特點: 消除爆音,輸入多路復(fù)用器,靜音,短路和熱保護,關(guān)機
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
封裝/外殼: 28-WFQFN 裸露焊盤
包裝: 管件
MAX9770
1.2W, Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = 3.3V, BW = 22Hz to 22kHz, GAIN1 = 1, GAIN2 = 0, spread-spectrum mode, headphone outputs in phase, unless otherwise
noted.)
100
10
1
0.1
0.01
0.001
0
50
40
20
10
30
60
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc28
OUTPUT POWER (mW)
THD+N
(%)
RL = 16
Ω
f = 1kHz
f = 10kHz
f = 20Hz
100
10
1
0.1
0.01
0.001
0
60
20
40
80
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc29
OUTPUT POWER (mW)
THD+N
(%)
f = 20Hz
RL = 32
Ω
f = 1kHz
f = 10kHz
100
90
80
70
60
50
40
30
20
10
0
10
100
1000
OUTPUT POWER
vs. LOAD RESISTANCE (HEADPHONE MODE)
MAX9770
toc30
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
VDD = 5V
f = 1kHz
THD+N = 10%
THD+N = 1%
80
70
60
50
40
30
20
10
0
10
100
1000
OUTPUT POWER
vs. LOAD RESISTANCE (HEADPHONE MODE)
MAX9770
toc31
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
f = 1kHz
THD+N = 10%
THD+N = 1%
0
30
20
10
40
50
60
70
80
90
100
2.5
3.5
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (HEADPHONE MODE)
MAX9770
toc32
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
RL = 16
Ω
f = 1kHz
THD+N = 10%
THD+N = 1%
0
10
20
30
40
50
60
70
80
2.5
3.5
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (HEADPHONE MODE)
MAX9770
toc33
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
RL = 32
Ω
f = 1kHz
THD+N = 10%
THD+N = 1%
0
50
100
150
200
250
300
060
30
90
120
150
POWER DISSIPATION
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc34
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
f = 1kHz
POUT = POUTL + POUTR
RL = 16
Ω
RL = 32
Ω
100
10
1
0.1
0.01
0.001
040
80
20
60
100
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc26
OUTPUT POWER (mW)
THD+N
(%)
VDD = 5V
RL = 16
Ω
f = 1kHz
f = 20Hz
f = 10kHz
100
10
1
0.1
0.01
0.001
0
60
20
40
80
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9770
toc27
OUTPUT POWER (mW)
THD+N
(%)
f = 20Hz
VDD = 5V
RL = 32
Ω
f = 1kHz
f = 10kHz
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MAX9770ETI+ 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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
MAX9770ETI+T 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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
MAX9770EUI 制造商:Rochester Electronics LLC 功能描述:
MAX9770EUI+ 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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
MAX9770EUI+T 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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