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参数资料
| 型号： | MAX9728AETC+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/19页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO .06W STER AB 12TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 系列： | DirectDrive® |
| 类型： | AB 类 |
| 输出类型： | 耳机，2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 60mW x 2 @ 32 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，关闭 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 12-TQFN EP（3x3） |
| 封装/外壳： | 12-TQFN 裸露焊盘 |
| 包装： | 管件 |
| 产品目录页面： | 1392 (CN2011-ZH PDF) |
MAX9728A/MAX9728B
60mW, DirectDrive, Stereo Headphone
Amplifiers with Shutdown
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = 5V, PGND = SGND = 0V, SHDN = VDD, C1 = C2 = 1F, RL =
∞, gain = -1.5V/V (RIN = 20kΩ, RF = 30kΩ for the MAX9728A),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, TA = +25°C, unless otherwise noted.)
Pin Description
PIN
TQFN
TSSOP
NAME
FUNCTION
1
3
C1P
Flying Capacitor Positive Terminal. Connect a 1F ceramic capacitor from C1P to C1N.
2
4
PGND
Power Ground. Connect to SGND.
3
5
C1N
Flying Capacitor Negative Terminal. Connect a 1F ceramic capacitor from C1P to C1N.
47
PVSS
Charge-Pump Output. Connect to SVSS and bypass with a 1F ceramic capacitor to PGND.
58
SHDN
Active-Low Shutdown Input
6
9
INL
Left-Channel Input
7
10
SGND
Signal Ground. Connect to PGND.
8
11
INR
Right-Channel Input
912
SVSS
Amplifier Negative Supply. Connect to PVSS.
10
14
OUTR
Right-Channel Output
11
1
OUTL
Left-Channel Output
12
2
VDD
Positive Power-Supply Input. Bypass with a 1F capacitor to PGND.
—
6,13
N.C.
No Connection. Not internally connected.
EP
—
EP
Exposed Paddle. Leave this connection floating or connect it to SVSS.
EXITING SHUTDOWN
MAX9728A/28B
toc13
VSHDN
5V/div
VOUT_
500mV/div
VIN_
1V/div
40
μs/div
ENTERING SHUTDOWN
MAX9728A/28B
toc14
VSHDN
5V/div
VOUT_
500mV/div
VIN_
1V/div
20
μs/div
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9728AETC+ | 功能描述:音频放大器 60mW DirectDrive Headphone 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 |
| MAX9728AETC+T | 功能描述:音频放大器 60mW DirectDrive Headphone 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 |
| MAX9728AETC+TG104 | 制造商:Maxim Integrated Products 功能描述: |
| MAX9728AETC+TGA8 | 制造商:Maxim Integrated Products 功能描述: |
| MAX9728AEUD+ | 功能描述:音频放大器 60mW DirectDrive Headphone 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 |
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