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參數(shù)資料
| 型號(hào)： | MAX9718DEUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 22/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 1.4W AB 10MSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | AB 類 |
| 輸出類型： | 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： | 1.4W x 1 @ 4 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，熱保護(hù) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 10-µMAX-EP |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 |
| 包裝： | 帶卷 (TR) |
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TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
MAX9718
toc01
FREQUENCY (Hz)
THD+N
(%)
100
1k
10k
0.001
0.01
0.1
1
10
0.0001
10
100k
OUTPUT POWER = 1W
OUTPUT POWER = 50mW
VCC = 5V
RL = 4
Ω
AV = 2
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
MAX9718
toc02
FREQUENCY (Hz)
THD+N
(%)
100
1k
10k
0.001
0.01
0.1
1
10
0.0001
10
100k
VCC = 5V
RL = 4
Ω
AV = 4
OUTPUT POWER = 1W
OUTPUT POWER = 200mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
MAX9718
toc03
FREQUENCY (Hz)
THD+N
(%)
100
1k
10k
0.001
0.01
0.1
1
10
0.0001
10
100k
VCC = 5V
RL = 8
Ω
AV = 2
OUTPUT POWER = 250mW
OUTPUT POWER = 750mW
Typical Operating Characteristics
(VCC = 5V, CBIAS = 0.1μF, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
Note 1: All specifications are 100% tested at TA = +25°C. Specifications over temperature (TA = TMIN to TMAX) are guaranteed by
design, not production tested.
Note 2: Quiescent power-supply current is specified and tested with no load. Quiescent power-supply current depends on the offset
voltage when a practical load is connected to the amplifier. Guaranteed by design.
Note 3: Common-mode bias voltage is the voltage on BIAS and is nominally VCC/2.
Note 4: Output power is specified by a combination of a functional output current test and characterization analysis.
Note 5: Measurement bandwidth for THD+N is 22Hz to 22kHz.
Note 6: Peak voltage measured at power-on, power-off, into or out of SHDN. Bandwidth defined by A-weighted filters, inputs at AC
GND. VCC rise and fall times greater than or equal to 1ms.
MAX9718/MAX9719
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—3V Supply (continued)
(VCC = 3V, 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)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Power
POUT
RL = 8
Ω, THD+N = 1%, fIN = 1kHz (Note 4)
475
mW
Total Harmonic Distortion Plus
Noise
THD+N
RL = 8
Ω, fIN = 1kHz, POUT = 0.25W,
AV = 6dB
0.003
%
Thermal-Shutdown Threshold
+160
°C
Thermal-Shutdown Hysteresis
15
°C
Maximum Capacitive Drive
CLOAD
Bridge-tied capacitance
500
pF
Power-Up/Enable from
Shutdown Time
tPU
10
ms
Shutdown Time
tSHDN
3μs
Turn-Off Transient
VPOP
(Note 6)
40
mV
Crosstalk
MAX9719, fIN = 1kHz
-85
dB
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| MAX9718EEBL+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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| MAX9718EETB+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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