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參數(shù)資料
| 型號： | MAX9723CETE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 9/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO .06W STER AB 16TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 系列： | DirectDrive® |
| 類型： | AB 類 |
| 輸出類型： | 耳機，2-通道（立體聲） |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 60mW x 2 @ 16 歐姆 |
| 電源電壓： | 1.8 V ~ 3.6 V |
| 特點： | 低音增強模式，消除爆音，I²C，靜音，短路和熱保護，關機，音量控制 |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 16-TQFN-EP（4x4） |
| 封裝/外殼： | 16-WQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
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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相關代理商/技術參數(shù) |
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| MAX9723DEBE+T | 功能描述:音頻放大器 Stereo DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9723DEBE-T | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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