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參數(shù)資料
| 型號(hào)： | MAX9702 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 1.8W, Filterless, Stereo, Class D Audio Power Amplifier and DirectDrive Stereo Headphone Amplifier |
| 中文描述： | 1.8W、無(wú)需濾波、立體聲D類音頻功率放大器和DirectDrive立體聲耳機(jī)放大器 |
| 文件頁(yè)數(shù)： | 6/32頁(yè) |
| 文件大?。?/td> | 1411K |
| 代理商： | MAX9702 |
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M
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (V
DD
= 5V) (continued)
(V
DD
= PV
DD
= CPV
DD
=
SHDN
= 5V, GND = PGND = CPGND = 0V, SYNC = V
DD
(SSM), speaker gain = +12dB, headphone gain =
+1dB. Speaker load R
L
connected between OUT+ and OUT-, unless otherwise noted, R
L
=
∞
. Headphone load R
LH
connected
between HPR/HPL to GND. C
BIAS
= 1μF to GND, 1μF capacitor between C1P and C1N, C
VSS
= 1μF. T
A
= T
MIN
to T
MAX
, unless oth-
erwise noted. Typical values are at T
A
= +25
o
C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
0.08
0.18
88
87
91
89
MAX
UNITS
R
L
= 8
(P
OUT
= 900mW), f = 1kHz
R
L
= 4
(P
OUT
= 1500mW), f = 1kHz
Total Harmonic Distortion Plus
Noise
THD+N
%
FFM
SSM
FFM
SSM
BW = 22Hz
to 22kHz
Signal-to-Noise Ratio
SNR
V
OUT
= 2V
RMS
,
R
L
= 8
A-weighted
dB
Into shutdown
61.5
Click-and-Pop Level
K
CP
Peak voltage, 32
samples/second,
A-weighted (Note 4)
Out of shutdown
44
dB
Efficiency
η
P
OUT
= 1W, f
IN
= 1kHz, R
L
= 8
, L = 68μH
95
%
Channel-to-Channel Gain
Tracking
±0.2
%
Crosstalk
L to R, R to L, f = 10kHz, R
L
= 8
,
P
OUT
= 300mW
65
dB
HEADPHONE AMPLIFIERS (HPS = V
DD
)
Power-Supply Rejection Ratio
(Note 4)
f
RIPPLE
= 217Hz
f
RIPPLE
= 20kHz
78
53
PSRR
100mV
P-P
ripple,
V
IN
= 0V, T
A
= +25°C
dB
Output Power
P
OUT
THD+N = 1%, T
A
= +25°C,
R
L
= 32
45
mW
Total Harmonic Distortion Plus
Noise
THD+N
R
L
= 32
(P
OUT
= 32mW, f = 1kHz)
0.03
%
BW = 22Hz to 22kHz
A-weighted
94.7
97.4
Signal-to-Noise Ratio
SNR
V
OUT
= 1V
RMS
,
R
L
= 32
dB
Into shutdown
67
Click-and-Pop Level
K
CP
Peak voltage, 32
samples/second,
A-weighted
(Notes 3, 4)
Out of shutdown
83
dB
Channel-to-Channel Gain
Tracking
±0.2
%
Crosstalk
L to R, R to L, f = 10kHz, R
L
= 32
,
P
OUT
= 10mW
70
dB
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9702BETI+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TQFN - Rail/Tube |
| MAX9702BETI+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TQFN - Tape and Reel |
| MAX9702BEUI+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Rail/Tube |
| MAX9702BEUI+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Tape and Reel |
| MAX9702ETI+ | 功能描述:音頻放大器 1.8W Filterless Class D Audio Amp 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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