參數(shù)資料
型號(hào): MAX9728BEUD+T
廠商: Maxim Integrated Products
文件頁數(shù): 14/19頁
文件大?。?/td> 0K
描述: IC AMP AUDIO .06W STER 14TSSOP
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: 60mW x 2 @ 32 歐姆
電源電壓: 4.5 V ~ 5.5 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: 14-TSSOP
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
包裝: 帶卷 (TR)
MAX9728A/MAX9728B
60mW, DirectDrive, Stereo Headphone
Amplifiers with Shutdown
4
_______________________________________________________________________________________
100
020
60
40
80
100
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9728A/28B
toc01
OUTPUT POWER (mW)
THD+N
(%)
VDD = 5V
RL = 16
Ω
fIN = 1kHz
fIN = 20Hz
fIN = 10kHz
100
020
60
40
80
120
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9728A/28B
toc02
OUTPUT POWER (mW)
THD+N
(%)
100
VDD = 5V
RL = 32
Ω
fIN = 1kHz
fIN = 20Hz
fIN = 10kHz
10
1k
100
10k
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9728A/28B
toc03
FREQUENCY (Hz)
THD+N
(%)
1
0.1
0.001
0.01
VDD = 5V
RL = 16
Ω
POUT = 20mW
POUT = 37mW
10
1k
100
10k
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9728A/28B
toc04
FREQUENCY (Hz)
THD+N
(%)
1
0.1
0.001
0.01
VDD = 5V
RL = 32
Ω
POUT = 50mW
POUT = 30mW
0
20
10
40
30
60
50
70
4.5
5.0
5.5
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9728A/28B
toc05
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
fIN = 1kHz
RL = 16
Ω
THD+N = 1%
THD+N = 10%
0
40
20
80
60
100
120
4.5
5.0
5.5
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9728A/28B
toc06
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
fIN = 1kHz
RL = 32
Ω
THD+N = 1%
THD+N = 10%
Typical Operating Characteristics
(VDD = 5V, PGND = SGND = 0V, SHDN = VDD, C1 = C2 = 1F, RL =
∞, gain = -1.5V/V (RIN = 20kΩ, RF = 30kΩ for the MAX9728A),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, TA = +25°C, unless otherwise noted.)
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