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参数资料
| 型号： | MAX9723DEVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/25页 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX9723 |
| 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： | 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 @ 16 欧姆 |
| 电源电压： | 1.8 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 板类型： | 完全填充 |
| 已用 IC / 零件： | MAX9723D |
| 已供物品： | 板 |
| 相关产品： | MAX9723DETE+T-ND - IC AMP AUDIO .06W STER AB 16TQFN MAX9723DEBE+T-ND - IC AMP AUDIO .06W STER AB 16UCSP MAX9723DETE+-ND - IC AMP AUDIO .06W STER AB 16TQFN |
where RIN is a minimum of 10k
Ω. Choose CIN such that
f-3dB is well below the lowest frequency of interest.
Setting f-3dB too high affects the amplifier’s low-frequen-
cy response. Use capacitors with low-voltage coefficient
dielectrics. Film or C0G dielectric capacitors are good
choices for AC-coupling capacitors. Capacitors with
high-voltage coefficients, such as ceramics, can result in
increased distortion at low frequencies.
Charge-Pump Flying Capacitor
The charge-pump flying capacitor connected between
C1N and C1P affects the charge pump’s load regula-
tion and output impedance. Choosing a flying capacitor
that is too small degrades the MAX9723’s ability to pro-
vide sufficient current drive and leads to a loss of out-
put voltage. Increasing the value of the flying capacitor
improves load regulation and reduces the charge-
pump output impedance. See the Output Power vs.
MAX9723
Stereo DirectDrive Headphone Amplifier
with BassMax, Volume Control, and I2C
______________________________________________________________________________________
17
MAX9723A AND MAX9723B
TRANSFER FUNCTION (B5 = 1)
CODE
GAIN
(dB)
-20
-30
-40
10
0
-10
-50
0
6
12
18
24
30
Figure 7. MAX9723A/MAX9723B Transfer Function with B5 = 1
MAX9723A AND MAX9723B
TRANSFER FUNCTION (B5 = 0)
CODE
GAIN
(dB)
-40
-50
-60
-70
-80
0
-10
-30
-20
-90
0
6
12
18
24
30
Figure 8. MAX9723A/MAX9723B Transfer Function with B5 = 0
MAX9723C AND MAX9723D
TRANSFER FUNCTION (B5 = 0)
CODE
0
6
12
18
24
30
GAIN
(dB)
-30
-40
-50
-60
-70
10
0
-20
-10
-80
Figure 10. MAX9723C/MAX9723D Transfer Function with B5 = 0
MAX9723C AND MAX9723D
TRANSFER FUNCTION (B5 = 1)
CODE
GAIN
(dB)
-30
-40
10
0
-20
-10
-50
0
6
12
18
24
30
Figure 9. MAX9723C/MAX9723D Transfer Function with B5 = 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9723DEVKIT+ | 功能描述:放大器 IC 开发工具 MAX9723A/B/C/D 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 |
| MAX9724AEBC+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH 2CH STEREO 0.045W CLS-AB 12UCSP - Rail/Tube |
| MAX9724AEBC+G45 | 制造商:Maxim Integrated Products 功能描述:60MW DIRECTDRIVE STEREO HEADPHONE - Tape and Reel |
| MAX9724AEBC+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH 2CH STEREO 0.045W CLS-AB 12UCSP - Tape and Reel |
| MAX9724AEBC+TG45 | 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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