參數(shù)資料
型號(hào): MAX9720AEBE+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 21/21頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO .05W STER AB 16UCSP
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®, SmartSense™
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: 50mW x 2 @ 32 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: 16-UCSP(2x2)
封裝/外殼: 16-WFBGA,CSPBGA
包裝: 帶卷 (TR)
MAX9720
50mW, DirectDrive, Stereo Headphone
Amplifier with SmartSense and Shutdown
_______________________________________________________________________________________
9
CROSSTALK vs. FREQUENCY
MAX9720
toc46
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
10
100k
VDD = 1.8V
RL = 32
VIN = 200mVP-P
RIGHT-TO-LEFT
CHANNEL
LEFT-TO-RIGHT
CHANNEL
GAIN FLATNESS vs. FREQUENCY
MAX9720
toc47
FREQUENCY (Hz)
GAIN
(dB)
1k
100
10
1
0.1
-4
-3
-2
-1
0
1
2
3
4
5
-5
0.01
10k
AV = -1V/V
CHARGE-PUMP OUTPUT IMPEDANCE
vs. SUPPLY VOLTAGE
MAx9720
toc48
SUPPLY VOLTAGE (V)
OUTPUT
IMPEDANCE
(
3.3
3.0
2.7
2.4
2.1
2
4
6
8
10
12
14
0
1.8
3.6
ILOAD = 10mA
0.47
F
OUTPUT POWER vs. LOAD RESISTANCE
AND CHARGE-PUMP CAPACITOR SIZE
MAx9720
toc49
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
40
30
20
10
20
30
40
50
60
0
10
50
2.2
F
1
F
fIN = 1kHz
THD+N = 1%
OUTPUTS
IN PHASE
OUTPUT SPECTRUM vs. FREQUENCY
MAX9720
toc50
FREQUENCY (Hz)
OUTPUT
SPECTRUM
(dB)
10k
1k
-100
-80
-60
-40
-20
0
-120
100
100k
VIN = 1VP-P
RL = 32
fIN = 1kHz
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX9720
toc51
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
3.3
3.0
2.7
2.4
2.1
1
2
3
4
5
6
0
1.8
3.6
STEREO MODE
MONO MODE
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9720
toc52
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(
A)
3.3
3.0
2.7
2.4
2.1
1
2
3
4
5
6
7
8
9
0
1.8
3.6
EXITING SHUTDOWN
MAX9720 toc53
400
s/div
OUT_
500mV/div
3V
0V
fIN = 1kHz
RL = 32
MODE1 AND
MODE2
POWER-UP/DOWN WAVEFORM
MAX9720 toc54
200ms/div
FFT: 25Hz/div
OUT_FFT
OUT_
20dB/div
3V
0V
10mV/div
VIN = GND
RL = 32
VDD
100dB
Typical Operating Characteristics (continued)
(VDD = 3V, THD+N bandwidth = 22Hz to 22kHz, MODE1 = MODE2 = VDD.)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9720AEUE 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9720AEUE+ 功能描述:音頻放大器 50mW DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9720AEUE+T 功能描述:音頻放大器 50mW DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9720BEBE 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9720BEBE+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH 2CH STEREO 0.05W CLS-AB 16UCSP - Rail/Tube