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参数资料
| 型号： | MAX9789AEVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/28页 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX9789A |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | DirectDrive® |
| 放大器类型： | AB 类 |
| 输出类型： | 2-通道（立体声）带立体声耳机和超低音器 |
| 在某负载时最大输出功率 x 通道数量： | 2W x 2 @ 4 欧姆; 100mW x 2 @ 16 欧姆 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 板类型： | 完全填充 |
| 已用 IC / 零件： | MAX9789A，MAX9790A |
| 已供物品： | 板 |
| 相关产品： | MAX9789AETJ+T-ND - IC AMP AUDIO 2W STER AB 32TQFN MAX9790AETJ+T-ND - IC AMP AUDIO 2W STER AB 32TQFN MAX9790AETJ+-ND - IC AMP AUDIO 2W STER AB 32TQFN MAX9789AETJ+-ND - IC AMP AUDIO 2W STER AB 32TQFN |
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MAX9789/MAX9790
Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
______________________________________________________________________________________
13
Pin Description
PIN
MAX9789
MAX9790
NAME
FUNCTION
1
—
LDO_SET
Regulator Feedback Input. Connect to GND for 4.75V fixed output. Connect to a resistor-
divider for adjustable output. See Figure 1.
2
SPKR_INR
Right-Channel Speaker Amplifier Input
3
SPKR_INL
Left-Channel Speaker Amplifier Input
4
—
LDO_EN
LDO Enable. Connect LDO_EN to VDD to enable the LDO.
5, 21
PGND
Power Ground. Star-connect to GND.
6
OUTL+
Left-Channel Speaker Amplifier Output, Positive Phase
7
OUTL-
Left-Channel Speaker Amplifier Output, Negative Phase
8, 18
PVDD
Speaker Amplifier Power-Supply Input. Bypass with a 0.1F capacitor to PGND.
9
CPVDD
Charge-Pump Power Supply. Connect a 1F capacitor between CPVDD and PGND.
10
C1P
Charge-Pump Flying Capacitor Positive Terminal. Connect a 1F capacitor between C1P
to C1N.
11
CPGND
Charge-Pump Ground. Connect directly to PGND plane.
12
C1N
Charge-Pump Flying Capacitor Negative Terminal. Connect a 1F capacitor between C1P
to C1N.
13
CPVSS
Charge-Pump Output. Connect to PVSS.
14
PVSS
Headphone Amplifier Negative Power Supply. Connect a 1F capacitor between PVSS and
PGND.
15
HPR
Right-Channel Headphone Amplifier Output
16
HPL
Left-Channel Headphone Amplifier Output
17
HPVDD
Headphone Amplifier Positive Power Supply. Connect a 10F capacitor between HPVDD
and PGND.
19
OUTR-
Right-Channel Speaker Amplifier Output, Negative Phase
20
OUTR+
Right-Channel Speaker Amplifier Output, Positive Phase
22
HP_EN
Active-High Headphone Amplifier Enable
23
SPKR_EN
Active-Low Speaker Amplifier Enable
24
BIAS
Common-Mode Bias Voltage. Bypass with a 1F capacitor to GND.
25
MUTE
Active-Low Mute Enable. Mutes speaker and headphone amplifiers.
26
HP_INR
Right-Channel Headphone Amplifier Input
27
HP_INL
Left-Channel Headphone Amplifier Input
28
4, 28
GND
Signal Ground. Star-connect to PGND.
29
—
LDO_OUT
LDO Output. Bypass with two 1F capacitors to GND.
30
VDD
Positive Power Supply and LDO Input (MAX9789). Bypass with one 0.1F capacitor and
two 1F capacitors to GND (MAX9789). Bypass with one 0.1F capacitor and one 1F
capacitor to GND (MAX9790).
31
GAIN1
Speaker Amplifier Gain Select 1
32
GAIN2
Speaker Amplifier Gain Select 2
—
1, 29
N.C.
No Connection. Not internally connected.
EP
Exposed Paddle. Connect to GND.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9789AEVKIT+ | 功能描述:放大器 IC 开发工具 MAX9789A/90A Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX9789BETJ+ | 功能描述:音频放大器 Windows Vista Class AB Speaker Amp 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 |
| MAX9789BETJ+T | 功能描述:音频放大器 Windows Vista Class AB Speaker Amp 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 |
| MAX9789CETJ+ | 功能描述:音频放大器 Windows Vista Class AB Speaker Amp 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 |
| MAX9789CETJ+T | 功能描述:音频放大器 Windows Vista Class AB Speaker Amp 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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