參數(shù)資料
型號: MAX4409ETP+T
廠商: Maxim Integrated Products
文件頁數(shù): 18/20頁
文件大小: 0K
描述: IC AMP AUDIO .08W STER AB 20TQFN
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
系列: DirectDrive®
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: 80mW x 2 @ 16 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
供應商設備封裝: 20-TQFN-EP(4x4)
封裝/外殼: 20-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX4409
80mW, DirectDrive, Stereo Headphone
Amplifier with Common-Mode Sense
_______________________________________________________________________________________
7
POWER DISSIPATION
vs. OUTPUT POWER
MAX4409
toc31
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
160
120
40
80
50
100
150
200
250
300
350
400
0
200
INPUTS 180
°
OUT OF PHASE
fIN = 1kHz
RL = 16
Ω
VDD = 3V
POUT = POUTL + POUTR
INPUTS
IN PHASE
POWER DISSIPATION
vs. OUTPUT POWER
MAX4409
toc32
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
160
120
40
80
20
40
60
80
120
100
140
160
180
0
200
INPUTS 180
°
OUT OF PHASE
fIN = 1kHz
RL = 32
Ω
VDD = 3V
POUT = POUTL + POUTR
INPUTS
IN PHASE
POWER DISSIPATION
vs. OUTPUT POWER
MAX4409
toc33
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
50
40
30
10
20
40
60
80
100
120
140
0
060
INPUTS 180
°
OUT OF PHASE
fIN = 1kHz
RL = 16
Ω
VDD = 1.8V
POUT = POUTL + POUTR
INPUTS
IN PHASE
POWER DISSIPATION
vs. OUTPUT POWER
MAX4409
toc34
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
50
40
30
10
20
10
20
30
40
50
60
70
0
060
INPUTS 180
°
OUT OF PHASE
fIN = 1kHz
RL = 32
Ω
VDD = 1.8V
POUT = POUTL + POUTR
INPUTS
IN PHASE
80
60
40
100
10k
100k
1M
10M
20
0
-20
-40
-60
-80
-100
-180
-120
-140
-160
GAIN AND PHASE vs. FREQUENCY
MAX4409
toc35
FREQUENCY (Hz)
GAIN/PHASE
(dB/DEGREES)
VDD = 3V
AV = 1000V/V
RL = 16
Ω
1k
GAIN
PHASE
10
1k
10k
1M
100k
10M
0
-10
-20
-30
-50
-40
GAIN FLATNESS vs. FREQUENCY
MAX4410
toc36
FREQUENCY (Hz)
GAIN
(dB)
VDD = 3V
AV = -1V/V
RL = 16
Ω
100
CHARGE-PUMP OUTPUT RESISTANCE
vs. SUPPLY VOLTAGE
MAX4409
toc37
SUPPLY VOLTAGE (V)
OUTPUT
RESISTANCE
)
3.3
3.0
2.7
2.4
2.1
2
4
6
8
10
0
1.8
3.6
VIN_ = GND
IPVSS = 10mA
NO LOAD
OUTPUT POWER vs. CHARGE-PUMP
CAPACITANCE AND LOAD RESISTANCE
MAX4409
toc38
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
40
30
20
10
30
40
50
60
70
80
90
0
10
50
fIN = 1kHz
THD+N = 1%
INPUTS IN PHASE
C1 = C2 = 1
μF
C1 = C2 = 0.47
μF
C1 = C2 = 0.68
μF
C1 = C2 = 2.2
μF
FREQUENCY (Hz)
10k
1k
100
100k
OUTPUT SPECTRUM vs. FREQUENCY
MAX4409
toc39
OUTPUT
SPECTRUM
(dB)
-100
-80
-60
-40
-20
0
-120
VIN = 1VP-P
fIN = 1kHz
RL = 32
Ω
AV = -1V/V
Typical Operating Characteristics (continued)
(C1 = C2 = 2.2F, RIN = RF = R1 = R2 = 10k
Ω, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
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