參數資料
型號: MAX9752CETI+T
廠商: Maxim Integrated Products
文件頁數: 27/29頁
文件大小: 0K
描述: IC AMP AUDIO PWR 1.7W D 28TQFN
標準包裝: 2,500
系列: DirectDrive®
類型: D 類
輸出類型: 2-通道(立體聲)帶立體聲耳機
在某負載時最大輸出功率 x 通道數量: 1.7W x 2 @ 4 歐姆; 62mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,短路保護和熱保護,關機,音量控制
安裝類型: 表面貼裝
供應商設備封裝: 28-TQFN-EP(5x5)
封裝/外殼: 28-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9752/MAX9753/MAX9754
2.2W, Low-EMI, Stereo, Class D Power Amplifiers
with DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
7
OUTPUT POWER vs. LOAD RESISTANCE
(SPEAKER MODE)
MAX9752/53/54
toc10
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
10
1
2
3
4
5
0
1
100
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
(SPEAKER MODE)
MAX9752
toc11
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
10
1
2
3
4
0
1100
THD+N = 10%
THD+N = 1%
POWER DISSIPATION vs. OUTPUT POWER
(SPEAKER MODE)
MAX9752
toc12
OUTPUT POWER (W)
POWER
DISSIPATION
(W)
3
2
1
0.5
1.0
1.5
2.0
0
04
RL = 4
Ω
RL = 8
Ω
TURN-ON RESPONSE
(SPEAKER MODE)
MAX9752/53/54 toc14
4ms/div
SHDN
5V/div
500mV/div
OUT
(1kHz, 2VP-P)
OUT
(NO AUDIO)
100mV/div
TURN-OFF RESPONSE
(SPEAKER MODE)
MAX9752/53/54 toc15
2ms/div
SHDN
5V/div
500mV/div
OUT
(1kHz, 2VP-P)
OUT
(NO AUDIO)
100mV/div
Typical Operating Characteristics (continued)
(VDD = PVDD = HPVDD = CPVDD = 5.0V, GND = PGND = HPGND = 0V, VSHDN = VDD, CPVSS = VSS, CBIAS = 1F,
CCPVSS = 1F, C1 = 1F, speaker impedance = 8
Ω connected between OUT_+ and OUT_-, headphone load is terminated to GND;
MAX9752: GAIN1 = GAIN2 = 0, VVOL = 0V; MAX9753: GAIN = 0, VA/B = 0V; MAX9754: GAIN = 0; TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. OUTPUT POWER
MAX9752
toc13
OUTPUT POWER (W)
EFFICIENCY
(%)
4
2
10
20
30
40
50
60
70
80
90
100
0
06
RL = 8
Ω||68μH
RL = 4
Ω||33μH
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MAX9753ETI+T 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9754ETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9754ETI+T 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9755ETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel