參數(shù)資料
型號(hào)： MAX4409ETP+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 14/20頁(yè)
文件大小： 0K
描述： IC AMP AUDIO .08W STER AB 20TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
系列： DirectDrive®
類型： AB 類
輸出類型： 耳機(jī)，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： 80mW x 2 @ 16 歐姆
電源電壓： 1.8 V ~ 3.6 V
特點(diǎn)： 消除爆音，短路保護(hù)和熱保護(hù)，關(guān)閉
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 20-TQFN-EP（4x4）
封裝/外殼： 20-WFQFN 裸露焊盤(pán)
包裝： 帶卷 (TR)
MAX4409
80mW, DirectDrive, Stereo Headphone
Amplifier with Common-Mode Sense
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VPVDD = VSVDD = 3V, VPGND = VSGND = 0, SHDN = SVDD, C1 = C2 = 2.2F, RIN = RF = R1 = R2 = 10k
Ω, RL = ∞, TA = TMIN to
TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
Note 2: All specifications are 100% tested at TA = +25°C; temperature limits are guaranteed by design.
Note 3: Inputs are connected to ground and COM.
Note 4: Inputs are AC-coupled to ground. COM is connected to ground.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RL = 32
Ω,
POUT = 50mW
0.002
Total Harmonic Distortion
Plus Noise
THD+N
fIN = 1kHz
RL = 16
Ω,
POUT = 60mW
0.005
%
Signal-to-Noise Ratio (Note 4)
SNR
RL = 32
Ω, POUT = 20mW, fIN = 1kHz
95
dB
Slew Rate
SR
0.8
V/s
Maximum Capacitive Load
CL
No sustained oscillations
150
pF
Crosstalk
RL = 16
Ω, POUT = 1.6mW, fIN = 10kHz
55
dB
Thermal Shutdown Threshold
140
°C
Thermal Shutdown Hysteresis
15
°C
ESD Protection
Human Body Model (OUTR, OUTL)
±8
kV
Typical Operating Characteristics
(C1 = C2 = 2.2F, RIN = RF = R1 = R2 = 10k
Ω, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
10
100
10k
1k
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX4409
toc01
FREQUENCY (Hz)
THD+N
(%)
1
0.1
0.001
0.01
VDD = 3V
RL = 16
Ω
POUT = 10mW
POUT = 60mW
1
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
0.01
0.1
MAX4409
toc02
THD+N
(%)
10
100
10k
1k
100k
FREQUENCY (Hz)
VDD = 3V
RL = 32
Ω
POUT = 50mW
POUT = 10mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX4409
toc03
THD+N
(%)
1
0.1
0.001
0.01
VDD = 1.8V
RL = 16
Ω
POUT = 5mW
POUT = 15mW
10
100
10k
1k
100k
FREQUENCY (Hz)
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