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参数资料
| 型号： | MAX9789AEVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 24/28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
_______________________________________________________________________________________
5
Note 2: All devices are 100% production tested at room temperature. All temperature limits are guaranteed by design.
Note 3: Specified at room temperature with an 8Ω resistive load connected across BTL output for speaker amplifier. Specified at
room temperature with a 32Ω resistive load connected between HPR, HPL, and GND for headphone amplifier. Speaker and
headphone mode transitions are controlled by SPKR_EN and HP_EN control pins, respectively.
Note 4: Amplifier inputs AC-coupled to GND.
Note 5: Maximum value is due to test limitations.
Note 6: VLDO_OUT = VLDO_OUTNOMINAL - 2%.
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = CPVDD = HPVDD = HP_EN = VLDO_EN (MAX9789 only) = +5V, VGND = VPGND = VCPGND = SPKR_EN = VLDO_SET
(MAX9789 only) = 0V, ILDO_OUT (MAX9789 only) = 0, C1 = C2 = CBIAS = 1F. RL = ∞, unless otherwise specified, VGAIN1 = 0,
VGAIN2 = 5V (AVSP = 10dB, AVHP = 3.5dB), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LDO_SET Input Bias Current
(Note 5)
ISET
±20
±500
nA
IOUT = 50mA
25
50
Dropout Voltage (Note 6)
VDO
VOUT = 4.75V (fixed
output operation),
TA = +25°C
IOUT = 120mA
75
150
mV
Current Limit
ILIM
300
mA
Startup Time
20
s
Line Regulation
VIN = 4.5V to 5.5V, LDO_OUT = 2.5V,
ILDO_OUT = 1mA
-4.8
+0.8
+4.8
mV/V
Load Regulation
VLDO_OUT = 4.75V,
1mA < ILDO_OUT < 120mA
0.2
mV/mA
f = 1kHz
59
Ripple Rejection
VRIPPLE = 200mVP-P
ILDO_OUT = 10mA
f = 10kHz
42
dB
Output Voltage Noise
20Hz to 22kHz, CLDO_OUT = 2 x 1F,
ILDO_OUT = 120mA
125
VRMS
DIGITAL INPUTS (
SPKR_EN, HP_EN, MUTE, GAIN1, GAIN2, LDO_EN (MAX9789 Only))
Input-Voltage High
VINH
2V
Input-Voltage Low
VINL
0.8
V
Input Bias Current
±1
A
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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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