参数资料
型号: MAX9778ETI+
厂商: Maxim Integrated Products
文件页数: 25/27页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.6W AB 28TQFN
标准包装: 60
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: 2.6W x 2 @ 4 欧姆; 200mW x 2 @ 16 欧姆
电源电压: 4.5 V ~ 5.5 V
特点: 消除爆音,输入多路复用器,静音,关机,热保护,
安装类型: 表面贴装
供应商设备封装: 28-TQFN-EP(5x5)
封装/外壳: 28-WFQFN 裸露焊盘
包装: 管件
MAX9777/MAX9778
Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
_______________________________________________________________________________________
7
CROSSTALK vs. FREQUENCY
(SPEAKER MODE)
MAX9777/78
toc19
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-110
-100
-90
-80
-70
-60
-50
-40
-120
10
100k
VIN = 200mVP-P
RL = 8
RIGHT TO LEFT
LEFT TO RIGHT
ENTERING SHUTDOWN (SPEAKER MODE)
MAX9777/78 toc20
400ms/div
VDD
2V/div
OUT_+ AND OUT_-
1V/div
OUT_+ - OUT_-
200mV/div
EXITING SHUTDOWN (SPEAKER MODE)
MAX9777/78 toc21
100ms/div
OUT_+ AND OUT_-
1V/div
OUT_+ - OUT_-
500mV/div
SHDN
2V/div
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9777/78
toc22
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
0.0001
10
100k
RL = 16
AV = 1V/V
POUT = 50mW
POUT = 25mW
POUT = 100mW
POUT = 150mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9777/78
toc23
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
0.0001
10
100k
RL = 16
AV = 2V/V
POUT = 50mW
POUT = 25mW
POUT = 100mW
POUT = 150mW
Typical Operating Characteristics (continued)
(VDD = PVDD = 5V, GND = PGND = 0V, VSHDN = 5V, CBIAS = 1F, TA = +25°C, unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
MAX9777/78
toc18
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
90
80
70
60
50
40
100
10
100k
VRIPPLE = 200mVP-P
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MAX9778ETI+ 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
MAX9778ETI+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
MAX9779ETI+ 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
MAX9779ETI+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
MAX977EEE 功能描述:校验器 IC 3V/5V Dual-Speed Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压(最大值):6 mV 电源电流(最大值):1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel