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參數(shù)資料
| 型號(hào)： | MAX9715ETE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 6/13頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 2.8W 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(lèi)型： | D 類(lèi) |
| 輸出類(lèi)型： | 2 通道（立體聲） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 2.8W x 2 @ 4 歐姆 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，短路保護(hù)和熱保護(hù)，關(guān)閉 |
| 安裝類(lèi)型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN-EP（5x5） |
| 封裝/外殼： | 16-WQFN 裸露焊盤(pán) |
| 包裝： | 帶卷 (TR) |
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MAX9715
2.8W, Low-EMI, Stereo, Filterless Class D
Audio Amplifier
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = PVDD = 5.0V, GND = PGND = 0V, VSHDN = VDD, CBIAS = 1μF, speaker impedance = 8Ω in series with 68μH connected between
OUT_+ and OUT_-, GAIN = +10.5dB, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD, PVDD, to GND ...............................................................+6V
GND to PGND .......................................................-0.3V to +0.3V
Any Other Pin to PGND ............................. -0.3V to (VDD + 0.3V)
Duration of OUT__ Short Circuit to PGND or PVDD....Continuous
Duration of OUT_+ Short Circuit between OUT_- ......Continuous
Continuous Current Into/Out of (PVDD, OUT__, PGND)........1.7A
Continuous Input Current (All Other Pins) ....................... ±20mA
Continuous Power Dissipation (TA = +70°C)
16-Pin TQFN-EP (derate 20.8mW/°C above +70°C)..1666mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage Range
VDD
Inferred from PSRR test
4.5
5.5
V
Quiescent Current
IDD
No load
12.8
16
mA
Shutdown Supply Current
ISHDN
VSHDN = 0V
0.1
2
μA
Input Resistance
RIN
6.5
10
13.5
k
Ω
Turn-On Time
tON
25
ms
BIAS Voltage
VBIAS
1.8
V
CLASS D SPEAKER AMPLIFIERS
TA = +25°C
12.6
45
Output Offset Voltage
VOS
TA = TMIN to TMAX
70
mV
GAIN = 0
10.5
Maximum Speaker Amplifier Gain
(Note 3)
AV
GAIN = 1
9.0
dB
PVDD or VDD = 4.5V to
5.5V
52.4
75
f = 1kHz, 100mVP-P
71
Power-Supply Rejection Ratio
PSRR
VIN_ = 0V
f = 20kHz, 100mVP-P
60
dB
RL = 8
Ω
1.4
THD+N = 1%
RL = 4
Ω
2.3
RL = 8
Ω
1.7
Output Power
POUT
THD+N = 10%
RL = 4
Ω
2.8
W
RL = 8
Ω, POUT = 1.2W
0.06
Total Harmonic Distortion Plus
Noise
THD+N
f = 1kHz
RL = 4
Ω, POUT = 2W
0.07
%
POUT = 1W, BW = 22Hz to 22kHz
89
Signal-to-Noise Ratio
SNR
POUT = 1W, A-weighted
93
dB
Maximum Capacitive Load
CL_MAX
200
pF
Switching Frequency
fSW
Average frequency in spread-spectrum
operation
1.00
1.22
1.40
MHz
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