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參數(shù)資料
| 型號： | MAX9759ETE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 3.2W D 16TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | D 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 4.3W x 1 @ 3 歐姆 |
| 電源電壓： | 3 V ~ 5.5 V |
| 特點： | 消除爆音，差分輸入，靜音，短路和熱保護(hù)，關(guān)機 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN-EP（4x4） |
| 封裝/外殼： | 16-WQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
MAX9759
3.2W, High-Efficiency, Low-EMI, Filterless,
Class D Audio Amplifier
______________________________________________________________________________________
15
Component Selection
Input Filter
An input capacitor, CIN, in conjunction with the input
impedance of the MAX9759 forms a highpass filter that
removes the DC bias from an incoming signal. The AC-
coupling capacitor allows the amplifier to bias the sig-
nal to an optimum DC level. Assuming zero source
impedance, the -3dB point of the highpass filter is
given by:
f-3dB = 1/(2
πRINCIN)
Choose CIN such that f-3dB is well below the lowest fre-
quency of interest. Setting f-3dB too high affects the
low-frequency response of the amplifier. Use capaci-
tors whose dielectrics have low-voltage coefficients,
such as tantalum or aluminum electrolytic. Capacitors
with high-voltage coefficients, such as ceramics, may
result in increased distortion at low frequencies.
IN+
IN-
OUT+
OUT-
SYNC_OUT
RIGHT-CHANNEL
DIFFERENTIAL
AUDIO INPUT
MAX9759
VDD
PVDD
IN+
IN-
OUT+
SYNC_OUT
SYNC
LEFT-CHANNEL
DIFFERENTIAL
AUDIO INPUT
MAX9759
VDD
PVDD
IN+
IN-
OUT+
SYNC_OUT
SYNC
DIFFERENTIAL
AUDIO INPUT
MAX9759
VDD
PVDD
SYNC
U1
U2
Figure 7. Master-Slave Configuration
100
0
0.5
1.0
1.5
2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
OUTPUT POWER (W)
THD+N
(%)
VDD = 5.0V
f = 1kHz
RL = 8
SLAVE DEVICE
Figure 8. Total Harmonic Distortion Plus Noise vs. Output
Voltage
-150
10
100
1k
100k
CROSSTALK vs. FREQUENCY
-130
-110
-90
-30
FREQUENCY (Hz)
CROSSTALK
(dB)
-70
-50
10k
VDD = 5V
RL = 8
f = 1kHz
MASTER TO SLAVE
SLAVE TO MASTER
Figure 9. Crosstalk vs. Frequency
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| MAX975ESA | 功能描述:校驗器 IC 3V/5V Dual Speed Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX975ESA+ | 功能描述:校驗器 IC 3V/5V Dual Speed Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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