參數(shù)資料
型號(hào)： MAX9719CETE+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 22/27頁(yè)
文件大小： 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(lèi)型： AB 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： 1.4W x 2 @ 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(lèi)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(pán)
包裝： 帶卷 (TR)
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9719CEUE 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
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