參數(shù)資料
型號: MAX9720AEUE+
廠商: Maxim Integrated Products
文件頁數(shù): 20/21頁
文件大?。?/td> 0K
描述: IC AMP AUDIO .05W STER 16TSSOP
標準包裝: 96
系列: DirectDrive®, SmartSense™
類型: AB 類
輸出類型: 耳機,2-通道(立體聲)
在某負載時最大輸出功率 x 通道數(shù)量: 50mW x 2 @ 32 歐姆
電源電壓: 1.8 V ~ 3.6 V
特點: 消除爆音,短路保護和熱保護,關(guān)閉
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 16-TSSOP
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
包裝: 管件
MAX9720
50mW, DirectDrive, Stereo Headphone
Amplifier with SmartSense and Shutdown
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = 3V, THD+N bandwidth = 22Hz to 22kHz, MODE1 = MODE2 = VDD.)
OUTPUT POWER vs. LOAD RESISTANCE
MAX9720
toc37
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
20
40
60
80
100
120
140
160
0
10
100
f = 1kHz
THD+N = 1%
INPUTS
OUT OF
PHASE
INPUTS
IN PHASE
OUTPUT POWER vs. LOAD RESISTANCE
MAX9720
toc38
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
20
40
60
80
100
120
140
160
0
10
100
f = 1kHz
THD+N = 10%
INPUTS
OUT OF
PHASE
INPUTS
IN PHASE
OUTPUT POWER vs. LOAD RESISTANCE
MAX9720
toc39
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
5
10
15
20
25
30
35
40
0
10
100
VDD = 1.8V
f = 1kHz
THD+N = 1%
INPUTS
OUT OF
PHASE
INPUTS
IN PHASE
OUTPUT POWER vs. LOAD RESISTANCE
MAX9720
toc40
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
5
10
15
20
25
30
35
40
0
10
100
VDD = 1.8V
f = 1kHz
THD+N = 10%
INPUTS
OUT OF
PHASE
INPUTS
IN PHASE
POWER DISSIPATION vs. OUTPUT POWER
MAX9720
toc41
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
200
150
100
50
100
150
200
250
300
350
0
250
RL = 16
RL = 32
VDD = 3V
f = 1kHz
POUT = POUTL + POUTR
POWER DISSIPATION vs. OUTPUT POWER
MAX9720
toc42
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
60
40
20
25
50
75
100
125
0
080
RL = 16
RL = 32
VDD = 1.8V
f = 1kHz
POUT = POUTL + POUTR
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9720
toc43
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
10
100k
VDD = 3V
VRIPPLE = 200mVP-P
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9720
toc44
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
100k
VDD = 1.8V
VRIPPLE = 200mVP-P
CROSSTALK vs. FREQUENCY
MAX9720
toc45
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
10
100k
VDD = 3V
RL = 32
VIN = 200mVP-P
RIGHT-TO-LEFT
CHANNEL
LEFT-TO-RIGHT
CHANNEL
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MAX9720AEUE+ 功能描述:音頻放大器 50mW DirectDrive Headphone 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
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MAX9720BEBE+T 功能描述:音頻放大器 50mW DirectDrive Headphone 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