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參數(shù)資料
| 型號(hào)： | MAX9788EWP+TG45 |
| 廠(chǎng)商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 7/13頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 2.4W MONO 20WLP |
| 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(lèi)型： | G 類(lèi) |
| 輸出類(lèi)型： | 1-通道（單聲道） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 2.4W x 1 @ 8 歐姆 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，關(guān)閉 |
| 安裝類(lèi)型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 20-WLP |
| 封裝/外殼： | 20-WFBGA，WLBGA |
| 包裝： | 帶卷 (TR) |
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MAX9788
14VP-P, Class G Ceramic Speaker Driver
_______________________________________________________________________________________
3
Note 2:
All devices are 100% production tested at room temperature. All temperature limits are guaranteed by design.
Note 3:
Testing performed with resistive and capacitive loads to simulate an actual ceramic/piezoelectric speaker load,
ZL = 1F + 10Ω.
Note 4:
Input DC bias voltage determines the maximum voltage swing of the input signal. Inputing a signal with a peak voltage
of greater than the input DC bias voltage results in clipping.
Note 5:
1.8V logic compatible.
Note 6:
Amplifier/inputs AC-coupled to GND.
Note 7:
Testing performed at room temperature with 10
Ω resistive load in series with 1F capacitive load connected across the BTL
output for speaker amplifier. Mode transitions are controlled by SHDN. VCP is the peak output transient expressed in dBV.
Note 8:
Voltage gain is defined as: [VOUT+ - VOUT-] / [VIN+ - VIN-].
Note 9:
PVSS is forced to -3.6V to simulate boosted rail.
Note 10:
Dynamic range is calculated by measuring the RMS voltage difference between a -60dBFS output signal and the noise
floor, then adding 60dB. Full scale is defined as the output signal needed to achieve 1% THD+N.
RIN_ and RFB_ have 0.5% tolerance. The Class G output stage has 12dB of gain. Any gain or attenuation at the input
stage will add to or subtract from the gain of the Class G output.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC = 5V
6.5
VCC = 4.2V
5.4
VCC = 3.6V
4.7
Output Voltage
VOUT
f = 10kHz, 1% THD+N,
ZL = 1F + 10
Ω, no load
VCC = 3.0V
3.3
VRMS
VCC = 5V
2.4
VCC = 4.2V
1.67
VCC = 3.6V
1.25
Continuous Output Power
POUT
1% THD+N, f = 1kHz,
RL = 8
VCC = 3.0V
0.8
VCC = 2.7V to 5.5V
63
77
f = 217Hz, 200mVP-P ripple
77
f = 1kHz, 200mVP-P ripple
77
Power-Supply Rejection Ratio
(Note 4)
PSRR
f = 20kHz, 200mVP-P ripple
58
dB
ZL = 1F + 10
Ω, VOUT = 1kHz / 1.9VRMS
0.002
Total Harmonic Distortion Plus
Noise
THD+N
ZL = 1F + 10
Ω, VOUT = 1kHz / 4.0VRMS
0.08
%
Signal-to-Noise Ratio
SNR
VOUT = 5.1VRMS, A-weighted
108
dB
Common-Mode Rejection Ratio
CMRR
fIN = 1kHz (Note 9)
68
dB
VCC = 5V
106
Dynamic Range
DR
A-weighted (Note 10)
VCC = 3.6V
105
dB
ELECTRICAL CHARACTERISTICS (continued)
(VCC = VCPVDD = VSHDN = 3.6V, VGND = VCPGND = 0V, RIN+ = RIN- = 10k
Ω, RFB+ = RFB- = 10kΩ, RFS = 100kΩ, C1 = 4.7F, C2 =
10F; load connected between OUT+ and OUT-, ZLOAD = 10
Ω + 1F, unless otherwise stated; TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Notes 2, 3)
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| MAX9789AETJ+T | 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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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