參數(shù)資料
型號: MAX9777ETI+
廠商: Maxim Integrated Products
文件頁數(shù): 26/27頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.6W AB 28TQFN
標(biāo)準(zhǔn)包裝: 60
類型: AB 類
輸出類型: 2-通道(立體聲)帶立體聲耳機
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 2.6W x 2 @ 4 歐姆; 200mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,I²C,輸入多路復(fù)用器,靜音,關(guān)機,熱保護
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
MAX9777/MAX9778
Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
8
_
__
_
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9777/78
toc28
OUTPUT POWER (mW)
THD+N
(%)
100
75
50
25
0.01
0.001
10
1
0.1
100
0.0001
0
125
AV = 1V/V
RL = 32
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9777/78
toc29
OUTPUT POWER (mW)
THD+N
(%)
100
75
50
25
0.01
0.001
10
1
0.1
100
0.0001
0
125
AV = 2V/V
RL = 32
f = 20Hz
f = 1kHz
f = 10kHz
OUTPUT POWER vs. AMBIENT TEMPERATURE
(HEADPHONE MODE)
MAX9777/78
toc30
AMBIENT TEMPERATURE (
°C)
OUTPUT
POWER
(mW)
60
35
10
-15
50
100
200
150
250
300
0
-40
85
THD+N = 10%
THD+N = 1%
f = 1kHz
RL = 16
OUTPUT POWER vs. AMBIENT TEMPERATURE
(HEADPHONE MODE)
MAX9777/78
toc331
AMBIENT TEMPERATURE (
°C)
OUTPUT
POWER
(mW)
60
35
10
-15
25
50
100
75
125
150
0
-40
85
THD+N = 10%
THD+N = 1%
f = 1kHz
RL = 32
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9777/78
toc32
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
1k
100
10
100
200
300
400
500
600
0
1
10k
f = 1kHz
THD+N = 10%
THD+N = 1%
Typical Operating Characteristics (continued)
(VDD = PVDD = 5V, GND = PGND = 0V, VSHDN = 5V, CBIAS = 1F, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9777/78
toc25
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
0.0001
10
100k
RL = 32
AV = 2V/V
POUT = 50mW
POUT = 25mW
POUT = 100mW
POUT = 150mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9777/78
toc26
OUTPUT POWER (mW)
THD+N
(%)
250
200
150
100
50
0.01
0.001
10
1
0.1
100
0.0001
0
300
AV = 1V/V
RL = 16
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9777/78
toc27
OUTPUT POWER (mW)
THD+N
(%)
250
200
150
100
50
0.01
0.001
10
1
0.1
100
0.0001
0
300
AV = 2V/V
RL = 16
f = 20Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9777/78
toc24
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
0.0001
10
100k
RL = 32
AV = 1V/V
POUT = 50mW
POUT = 25mW
POUT = 100mW
POUT = 150mW
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9777ETI+ 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
MAX9777ETI+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
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
MAX9779ETI+ 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