參數(shù)資料
型號： MAX9722BEUE+T
廠商： Maxim Integrated Products
文件頁數(shù)： 15/21頁
文件大?。?/td> 0K
描述： IC AMP AUDIO .13W STER 16TSSOP
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)載時最大輸出功率 x 通道數(shù)量： 130mW x 2 @ 32 歐姆
電源電壓： 2.4 V ~ 5.5 V
特點： 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 16-TSSOP
封裝/外殼： 16-TSSOP（0.173"，4.40mm 寬）
包裝： 帶卷 (TR)
MAX9722A/MAX9722B
5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(PVDD = SVDD = +5V, PGND = SGND = 0V, SHDN = SVDD, C1 = C2 = 1F, RL =
∞, resistive load referenced to ground, for
MAX9722A gain = -1V/V (RIN = RF = 10k
Ω), for MAX9722B gain = -2V/V (internally set), TA = -40°C to +85°C, unless otherwise noted.
Typical values are at TA = +25°C, unless otherwise noted.) (Note 1)
Note 1: All specifications are 100% tested at TA = +25
°C; temperature limits are guaranteed by design.
Note 2: Gain for the MAX9722A is adjustable.
Note 3: The amplifier inputs are AC-coupled to ground through CIN_.
Note 4: Measurement bandwidth is 22Hz to 22kHz.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RL = 16
Ω, POUT = 55mW, f = 1kHz
0.03
Total Harmonic Distortion Plus
Noise (Note 4)
THD+N
RL = 32
Ω, POUT = 125mW, f = 1kHz
0.009
%
Signal-to-Noise Ratio
SNR
RL = 32
Ω, POUT = 20mW, f = 22Hz to 22kHz
100
dB
Noise
Vn
22Hz to 22kHz bandwidth, input AC grounded
6
VRMS
Slew Rate
SR
0.5
V/s
Maximum Capacitive Load
CL
No sustained oscillation
200
pF
Charge-Pump Oscillator
Frequency
fOSC
505
600
800
kHz
Crosstalk
RL = 32
Ω, VIN = 200mVP-P, f = 10kHz, AV = 1
78
dB
ESD Protection
Human Body Model (OUTR and OUTL)
±8kV
Thermal-Shutdown Threshold
145
°C
Thermal-Shutdown Hysteresis
5
°C
Typical Operating Characteristics
(MAX9722A, PVDD = SVDD = +5V, PGND = SGND = 0V, SHDN = SVDD, C1 = C2 = 1F, RL =
∞, gain = -1V/V, single-ended input,
THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25
°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc01
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 3V
AV = -1V/V
RL = 16
Ω
POUT = 30mW
POUT = 5mW
POUT = 15mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc02
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 3V
AV = -1V/V
RL = 32
Ω
POUT = 40mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 5V
AV = -1V/V
RL = 16
Ω
POUT = 40mW
POUT = 5mW
POUT = 60mW
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MAX9723AEBE 制造商:Maxim Integrated Products 功能描述:STEREO DIRECTDRIVE HEADPHONE AMPLIF - Rail/Tube
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