參數(shù)資料
型號: MAX9741ETN+D
廠商: Maxim Integrated Products
文件頁數(shù): 11/16頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 12W STER 56TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 37
類型: D 類
輸出類型: 2 通道(立體聲)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 12W x 2 @ 8 歐姆
電源電壓: 10 V ~ 25 V
特點: 消除爆音,差分輸入,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: 56-TQFN-EP(8x8)
封裝/外殼: 56-WFQFN 裸露焊盤
包裝: 管件
MAX9741
12W+12W, Low-EMI, Spread-Spectrum,
Stereo, Class D Amplifier
4
_______________________________________________________________________________________
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9741
toc01
OUTPUT POWER (W)
THD+N
(%)
15
10
5
0.1
1
10
0.01
020
RL = 8
VDD = 24V
VDD = 18V
VDD = 12V
15
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9741
toc02
OUTPUT POWER (W)
THD+N
(%)
0.01
0.1
1
10
0
RL = 4
VDD = 24V
VDD = 18V
VDD = 12V
10
5
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9741
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
POUT = 500mW
POUT = 8W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX974
toc04
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
POUT = 8W
SSM
FFM
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9741
toc07
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
0
6
4
2
8
10
12
14
16
18
20
10
16
13
19
22
25
RL = 8
RL = 16
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9741
toc05
OUTPUT POWER (W)
THD+N
(%)
15
10
5
0.1
1
10
0.01
020
f = 100Hz
f = 10kHz
f = 1kHz
EFFICIENCY vs. OUTPUT POWER
MAX9741
toc06
OUTPUT POWER (W)
EFFICIENCY
(%)
16
12
48
10
20
30
40
50
60
70
80
90
100
0
RL = 8
VDD = 18V
VDD = 12V
VDD = 24V
OUTPUT POWER vs. LOAD RESISTANCE
MAX9741
toc08
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
2
4
6
8
10
12
14
16
18
20
0
1
100
THD+N = 10%
THD+N = 1%
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9741
toc09
FREQUENCY (Hz)
CMRR
(dB)
10k
1k
100
-70
-60
-50
-40
-30
-20
-10
0
-80
10
100k
Typical Operating Characteristics
(VDD = 18V, RL = 8
, fIN = 1kHz, 33H with 4, 68H with 8, part in SSM mode, 136H with 16, measurement BW = 22Hz to
22kHz, unless otherwise noted.)
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