參數(shù)資料
型號： MAX9719AETE+T
廠商： Maxim Integrated Products
文件頁數(shù)： 12/27頁
文件大?。?/td> 0K
描述： IC AMP AUDIO PWR 1.4W AB 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： AB 類
輸出類型： 2 通道（立體聲）
在某負(fù)載時最大輸出功率 x 通道數(shù)量： 1.4W x 2 @ 4 歐姆
電源電壓： 2.7 V ~ 5.5 V
特點： 消除爆音，差分輸入，關(guān)閉，熱保護(hù)
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)
MAX9718/MAX9719
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—5V Supply
(VCC = 5V, GND = 0, SHDN/SHDN = VCC (MAX9718/MAX9719), SHDM = GND (MAX9718), RIN = RF = 10kΩ (MAX971_A/H),
TA = +25°C. CBIAS = 0.1μF, no load. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1)
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.
Supply Voltage (VCC to GND) ..................................-0.3V to +6V
Any Other Pin to GND ...............................-0.3V to (VCC + 0.3V)
IN_, BIAS, SHDM, SHDN,
SHDN Continuous Current ........20mA
OUT_ Short-Circuit Duration to GND or VCC .............Continuous
Continuous Power Dissipation (TA = +70°C)
9-Bump UCSP (derate 5.2mW/°C above +70°C) .......1067mW
10-Pin TDFN (derate 24.4mW/°C above +70°C) ........1951mW
10-Pin μMAX (derate 10.3mW/°C above +70°C) ..........825mW
16-Bump UCSP (derate 8.2mW/°C above +70°C) .....1633mW
16-Pin TQFN (derate 16.9mW/°C above +70°C) ........1349mW
16-Pin TSSOP (derate 21.3mW/°C above +70°C) ......1702mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature .....................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VCC
2.7
5.5
V
Supply Current
ICC
VIN- = VIN+ = VBIAS, TA = -40°C to +85°C,
per amplifier (Note 2)
5.0
7.5
mA
Shutdown Supply Current
ISHDN
SHDN = SHDM =
SHDN = GND, per amplifier
0.1
1
μA
VIH
0.7 x VCC
SHDN, SHDN, SHDM
Threshold
VIL
MAX9718A/B/C/D
0.3 x VCC
V
VIH
1.4
SHDN, SHDN, SHDM
Threshold
VIL
MAX9718E/F/G/H
0.4
V
AV = 0dB, MAX971_A/H,
MAX971_B/E
±1
±10
AV = 3dB, MAX971_C/F
±1
±15
Output Offset Voltage
VOS
VIN- = VIN+ = VBIAS
AV = 6dB, MAX971_D/G
±1
±20
mV
AV = 0dB, MAX971_B/E
0.5
VCC - 0.5
AV = 3dB, MAX971_C/F
0.5
VCC - 0.6
Inferred from
CMRR test
AV = 6dB, MAX971_D/G
0.5
VCC - 0.8
Common-Mode Input Voltage
VIC
External gain, MAX971_A/H
0.5
VCC - 1.2
V
Input Impedance
RIN
MAX971_B/E, MAX971_C/F, MAX971_D/G
10
15
20
k
Ω
-50
-60
Common-Mode Rejection Ratio
CMRR
fN = 1kHz
-60
dB
f = 217Hz
-93
Power-Supply Rejection Ratio
PSRR
VIN- = VIN+ = VBIAS,
VRIPPLE = 200mVP-P,
RL = 8
Ω, CBIAS = 1μF
f = 1kHz
-90
dB
RL = 8
Ω
0.8
1.1
Output Power
POUT
THD+N = 1%,
fIN = 1kHz (Note 4)
RL = 4
Ω
1.4
W
Total Harmonic Distortion Plus
Noise
THD+N
RL = 8
Ω, fIN = 1kHz, POUT = 0.75W,
VCC = 5V, AV = 6dB (Note 5)
0.002
%
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