參數(shù)資料
型號(hào): MAX9758ETJ+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 31/31頁(yè)
文件大小: 0K
描述: IC AMP AUDIO PWR 2.3W AB 32TQFN
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®
類(lèi)型: AB 類(lèi)
輸出類(lèi)型: 2-通道(立體聲)帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 2.3W x 2 @ 3 歐姆; 130mW x 2 @ 16 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)機(jī),音量控制
安裝類(lèi)型: 表面貼裝
供應(yīng)商設(shè)備封裝: 32-TQFN-EP(5x5)
封裝/外殼: 32-WFQFN 裸露焊盤(pán)
包裝: 帶卷 (TR)
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
_______________________________________________________________________________________
9
TURN-ON RESPONSE (HEADPHONE MODE)
MAX9756 toc28
10ms/div
SHDN
5V/div
HPR
10mV/div
HPL
10mV/div
TURN-OFF RESPONSE (HEADPHONE MODE)
MAX9756 toc29
10ms/div
SHDN
5V/div
HPR
10mV/div
HPL
10mV/div
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9756
toc30
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.3
5.1
4.9
4.7
8
11
14
17
20
5
4.5
5.5
HPS = GND
HPS = VDD
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX9756
toc31
SUPPLY VOLTAGE (V)
SHUTDOWN
CURRENT
(nA)
5.3
5.1
4.7
4.9
100
200
300
400
500
600
0
4.5
5.5
POWER LIMITING OF SINE BURST
(FAST ATTACK AND FAST RELEASE)
MAX9756 toc32
10ms/div
OUTPUT
2V/div
CT
1V/div
POWER LIMITING OF SINE BURST
(FAST ATTACK AND SLOW RELEASE)
MAX9756 toc33
40ms/div
OUTPUT
2V/div
CT
1V/div
POWER LIMITING OF SINE BURST
(SLOW ATTACK AND SLOW RELEASE)
MAX9756 toc33
2s/div
OUTPUT
2V/div
CT
1V/div
LDO OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
MAX9756
toc35
LOAD CURRENT (mA)
DEVIATION
(%)
125
100
25
50
75
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0150
Typical Operating Characteristics (continued)
(VDD = PVDD = HPVDD = CPVDD = IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = VDD, REGEN = DR = SET = GND, CBIAS =
1F, CPVSS = 1F, C1 = C2 = 1F, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
22kHz, TA = +25°C, unless otherwise noted.)
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