參數(shù)資料
型號(hào): MAX9702ETI+T
廠商: Maxim Integrated Products
文件頁數(shù): 2/31頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 1.8W D 28TQFN
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®
類型: D 類
輸出類型: 2-通道(立體聲)帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 1.8W x 2 @ 4 歐姆; 45mW x 2 @ 32 歐姆
電源電壓: 2.5 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²C,靜音,短路和熱保護(hù),關(guān)機(jī)
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: 帶卷 (TR)
MAX9702
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
10
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = PVDD = SHDN = 3.3V, GND = PGND = 0V, SYNC = VDD (SSM), speaker gain = 12dB.)
CROSSTALK vs. AMPLITUDE
(SPEAKER MODE)
MAX9702
toc19
AMPLITUDE (dB)
CROSSTALK
(dB)
-10
-20
-30
-40
-50
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
-60
0
RIGHT TO LEFT
RL = 8
f = 1kHz
LEFT TO RIGHT
OUTPUT FREQUENCY SPECTRUM
(SPEAKER MODE)
MAX9702
toc20
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
FFM MODE
VOUT = -60dBV
f = 1kHz
RL = 8
UNWEIGHTED
OUTPUT FREQUENCY SPECTRUM
(SPEAKER MODE)
MAX9702
toc21
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
FFM MODE
VOUT = -60dBV
f = 1kHz
RL = 8
A-WEIGHTED
OUTPUT FREQUENCY SPECTRUM
(SPEAKER MODE)
MAX9702
toc22
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
SSM MODE
VOUT = -60dBV
f = 1kHz
RL = 8
UNWEIGHTED
OUTPUT FREQUENCY SPECTRUM
(SPEAKER MODE)
MAX9702
toc23
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
SSM MODE
VOUT = -60dBV
f = 1kHz
RL = 8
A-WEIGHTED
WIDEBAND OUTPUT SPECTRUM
(FFM MODE, SPEAKER MODE)
MAX9702
toc24
FREQUENCY (MHz)
OUTPUT
AMPLITUDE
(dBV)
-80
-70
-60
-50
-40
-30
-20
-10
0
10
-90
RBW = 10kHz
INPUT AC GROUNDED
100
10
11000
WIDEBAND OUTPUT SPECTRUM
(SSM MODE, SPEAKER MODE)
MAX9702
toc25
FREQUENCY (MHz)
OUTPUT
AMPLITUDE
(dBV)
-80
-70
-60
-50
-40
-30
-20
-10
0
10
-90
RBW = 10kHz
INPUT AC GROUNDED
100
10
11000
TURN-ON/TURN-OFF RESPONSE
(SPEAKER MODE)
MAX9702 toc26
20ms/div
SHDN
MAX9702
OUTPUT
f = 1kHz
RL = 8
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(SPEAKER MODE)
MAX9702
toc27
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.0
4.5
4.0
3.5
3.0
8
11
14
17
20
5
2.5
5.5
FFM
SSM
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