where RIN is a minimum of 10k Ω. Choose C
參數(shù)資料
型號(hào)： MAX9723DEVKIT+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 9/25頁(yè)
文件大小： 0K
描述： EVALUATION KIT FOR MAX9723
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
系列： DirectDrive®
放大器類型： AB 類
輸出類型： 耳機(jī)，2-通道（立體聲）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 60mW x 2 @ 16 歐姆
電源電壓： 1.8 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
板類型： 完全填充
已用 IC / 零件： MAX9723D
已供物品： 板
相關(guān)產(chǎn)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
相關(guān)PDF資料
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ZR431ZTA IC VREF SHUNT PREC ADJ SC-62
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9723DEVKIT+ 功能描述:放大器 IC 開發(fā)工具 MAX9723A/B/C/D Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓: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:音頻放大器 60mW DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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