參數(shù)資料
型號: MAX9718FEBL+TG45
廠商: Maxim Integrated Products
文件頁數(shù): 25/27頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 1.4W MONO 9UCSP
標準包裝: 2,500
類型: AB 類
輸出類型: 1-通道(單聲道)
在某負載時最大輸出功率 x 通道數(shù)量: 1.4W x 1 @ 4 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點: 消除爆音,差分輸入,關閉,熱保護
安裝類型: *
供應商設備封裝: *
封裝/外殼: *
包裝: *
MAX9718/MAX9719
GAIN AND PHASE
vs. FREQUENCY
MAX9718
toc27
FREQUENCY (Hz)
GAIN/PHASE
/dB)
10k
1k
100
-120
-90
-60
-30
0
30
60
90
120
150
-150
10
100k
AV = 60dB
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
_______________________________________________________________________________________
7
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9718
toc22
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
100
10
200
100
300
400
500
600
0
1
THD+N = 10%
THD+N = 1%
VCC = 3V
f = 1kHz
AV = 2
POWER DISSIPATION
vs. OUTPUT POWER
MAX9718
toc23
OUTPUT POWER (W)
POWER
DISSIPATION
(W)
1.5
1.2
0.9
0.6
0.3
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
1.8
VCC = 5V
RL = 4
Ω
f = 1kHz
AV = 2
POWER DISSIPATION
vs. OUTPUT POWER
MAX9718
toc24
OUTPUT POWER (W)
POWER
DISSIPATION
(W)
1.2
1.0
0.8
0.6
0.4
0.2
0.4
0.6
0.8
1.0
0
1.4
VCC = 5V
RL = 8
Ω
f = 1kHz
AV = 2
POWER DISSIPATION
vs. OUTPUT POWER
MAX9718
toc25
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
600
500
400
300
200
100
200
300
400
500
600
700
0
0700
VCC = 3V
RL = 4
Ω
f = 1kHz
AV = 2
POWER DISSIPATION
vs. OUTPUT POWER
MAX9718
toc26
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
400
300
200
100
50
100
150
200
250
300
350
0
0500
VCC = 3V
RL = 8
Ω
f = 1kHz
AV = 2
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9718
toc28
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 200mVP-P
RL = 8
Ω
CBIAS = 1
μF
VCC = 5V
VCC = 3V
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9718
toc29
FREQUENCY (Hz)
CMRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 200mVP-P
RL = 8
Ω
CBIAS = 1
μF
VCC = 5V
VCC = 3V
Typical Operating Characteristics (continued)
(VCC = 5V, CBIAS = 0.1μF, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
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