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參數(shù)資料
| 型號(hào)： | MAX9759 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 3.2W, High-Efficiency, Low-EMI, Filterless, Class D Audio Amplifier |
| 中文描述： | 3.2W、高效、低EMI、無需濾波、D類音頻放大器 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 957K |
| 代理商： | MAX9759 |
M
3.2W, High-Efficiency, Low-EMI, Filterless,
Class D Audio Amplifier
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (V
DD
= 3.3V)
(V
DD
= PV
DD
=
SHDN
=
MUTE
= 3.3V, GND = PGND = 0V, SYNC = GND (FFM). Gain = 12dB (G1 = 0, G2 = 1). Speaker load resis-
tor (R
L
) connected between OUT+ and OUT-, unless otherwise noted. R
L
=
∞
, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
I
DD
I
MUTE
I
SHDN
CMRR
CONDITIONS
MIN
TYP
6
5
0.1
67
72
79
81
70
1.5
1.1
0.65
1.8
1.3
0.78
0.06
0.04
0.02
93
89
96
92
MAX
UNITS
mA
A
μA
dB
dB
Quiescent Current
Mute Current
Shutdown Current
Common-Mode Rejection Ratio
V
MUTE
= 0V
V
SHDN
= 0V
f = 1kHz, input referred
V
DD
= 3.0V to 5.5V
50
f
RIPPLE
= 217Hz
f
RIPPLE
= 1kHz
f
RIPPLE
= 20kHz
R
L
= 3
R
L
= 4
R
L
= 8
R
L
= 3
R
L
= 4
R
L
= 8
R
L
= 3
R
L
= 4
R
L
= 8
BW = 22Hz
to 22kHz
Power-Supply Rejection Ratio
PSRR
200mV
P-P
ripple
dB
THD+N = 1%
Output Power
P
OUT
THD+N = 10%
W
Total Harmonic Distortion Plus
Noise
THD+N
f = 1kHz, either
FFM or SSM,
P
OUT
= 500mW
%
FFM
SSM
FFM
SSM
Signal-to-Noise Ratio
SNR
P
OUT
= 500mW,
R
L
= 8
A-weighted
dB
Note 1:
All devices are 100% production tested at +25°C. All temperature limits are guaranteed by design.
Note 2:
Testing performed with a resistive load in series with an inductor to simulate an actual speaker load. For R
L
= 4
, L = 33μH.
For R
L
= 8
, L = 68μH.
Note 3:
Inputs AC-coupled to GND.
Note 4:
Testing performed with 8
resistive load in series with a 68μH inductive load across BTL outputs. Mode transitions are con-
trolled by the
SHDN
pin.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9759ETE+ | 功能描述:音頻放大器 3.2W Low-EMI Class D Amplifier 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 |
| MAX9759ETE+T | 功能描述:音頻放大器 3.2W Low-EMI Class D Amplifier 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 |
| MAX9759EUE+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX9759EUE+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 4.3W CLS-D 16TSSOP - Tape and Reel |
| MAX9759EVKIT | 功能描述:音頻放大器 Evaluation Kit for the MAX9759 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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