参数资料
型号: MAX9757ETJ+T
厂商: Maxim Integrated Products
文件页数: 3/31页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.3W AB 32TQFN
标准包装: 2,500
系列: DirectDrive®
类型: AB 类
输出类型: 2-通道(立体声)带立体声耳机
在某负载时最大输出功率 x 通道数量: 2.3W x 2 @ 3 欧姆; 130mW x 2 @ 16 欧姆
电源电压: 4.5 V ~ 5.5 V
特点: 消除爆音,短路保护和热保护,关机,音量控制
安装类型: 表面贴装
供应商设备封装: 32-TQFN-EP(5x5)
封装/外壳: 32-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
______________________________________________________________________________________
11
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.)
OUTPUT NOISE
vs. FREQUENCY (LDO)
MAX9756
toc41
FREQUENCY (Hz)
NOISE
(
V)
10k
1k
100
20
30
40
50
60
70
80
90
100
110
10
100k
COUT = 2
F
10Hz TO 100kHz
LINE-TRANSIENT RESPONSE
MAX9756 toc42
40
s/div
VIN
500mV/div
4.5V
5.5V
LDO_OUT
20mV/div
LOAD-TRANSIENT RESPONSE
MAX9756 toc43
20
s/div
50V
0V
ILOAD
25mV/div
LDO_OUT = 4.65V
20mV/div
LDO SHUTDOWN RESPONSE
MAX9756 toc44
100ms/div
REGEN
5V/div
LDO_OUT
1V/div
Pin Description
PIN
MAX9756
MAX9757
MAX9758
NAME
FUNCTION
1
32
INL
Left-Channel Audio Input
2
1
GAIN1
Gain Control Input 1
3
2
GAIN2
Gain Control Input 2
4
3
GAIN3
Gain Control Input 3
5
4
BEEP
Audible Alert Beep Input
6, 22
5, 21
PGND
Power Ground
7
6
OUTL+
Left-Channel Positive Speaker Output
8
7
OUTL-
Left-Channel Negative Speaker Output
9,19
8,18
8, 18
PVDD
Speaker Amplifier Power Supply. Bypass with 1F ceramic capacitor to PGND.
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MAX9758ETJ+ 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9758ETJ+T 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9759ETE+ 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9759ETE+T 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9759EUE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube