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參數(shù)資料
| 型號： | MAX4090AAUT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 17/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO BUFFER 6DB SOT23-6 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 應用： | 緩沖器 |
| 電路數(shù)： | 1 |
| -3db帶寬： | 55MHz |
| 轉換速率： | 275 V/µs |
| 電流 - 電源： | 6.5mA |
| 電流 - 輸出 / 通道： | 85mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-6 |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 1423 (CN2011-ZH PDF) |
| 其它名稱： | MAX4090AAUT+TDKR |
MAX4090
3V/5V, 6dB Video Buffer with Sync-Tip Clamp
and 150nA Shutdown Current
_______________________________________________________________________________________
9
R1 = R2
(
Ω)
C1
(pf)
L1
(H)
RIS
(
Ω)
3dB
BW
(MHz)
ATTENUATION
AT 27MHz
(dB)
75
330
1.8
0
8.7
20
150
3.9
50
9.0
20
200
120
4.7
50
9.3
22
300
82
8.2
100
8.7
20
Table 2. Bench Measurement Values
Rn1 = Rn2
(
Ω)
Cn1 (F)
Cn2 (F)
Cn3 (F)
Ln1 (H)
1
0.923
0.06
1.846
Table 3. 3rd-Order Butterworth Lowpass
Filter Normalized Values
R2
150
Ω
R1
150
Ω
C1
120pF
C2
120pF
L1
4.7
μH
C3
6.8pF
C4
0.1
μF
R3
75
Ω
C7
1
μF
IN
OUT
GND
FB
SHDN
VCC
VOUT
VIDEO
CURRENT
DAC
RIS
49.9
Ω
3-POLE RECONSTRUCTION LPF
MAX4090
Figure 4. 3rd-Order Butterworth LPF with MAX4090
R1 = R2 (
Ω)
C1 (pF)
C2 (pF)
C3 (pF)
L (H)
RIS (
Ω)
3dB BW (MHz)
ATTENUATION AT
27MHz (dB)
75
220
15.0
2.2
0
9.3
43
150
120
6.8
4.7
50
8.9
50
300
56
3.3
10.0
100
9.0
45
Table 4. Bench Measurement Values
Sag Correction
In a 5V application, the MAX4090 can use the sag con-
figuration if an AC-coupled output video signal is
required. Sag correction refers to the low-frequency
compensation for the highpass filter formed by the
150
Ω load and the output capacitor. In video applica-
tions, the cutoff frequency must be low enough to pass
the vertical sync interval to avoid field tilt. This cutoff
frequency should be less than 5Hz, and the coupling
capacitor must be very large in normal configuration,
typically > 220F. In sag configuration, the MAX4090
eliminates the need for large coupling capacitors, and
instead requires two 22F capacitors (Figure 6) to
reach the same performance as the large capacitor.
Bench experiments show that increasing the output
coupling capacitor C5 beyond 47F does not improve
the performance. If the supply voltage is less than 4.5V,
the sag correction is not recommended for the
MAX4090.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4090AAXT | 制造商:Maxim Integrated Products 功能描述:3V/5V 6DB VIDEO BUFFER WITH SYNC-T - Cut Tape Product |
| MAX4090AAXT+ | 制造商:Maxim Integrated Products 功能描述:VID BFFR 6PIN SC-70 - Rail/Tube |
| MAX4090AAXT+T | 功能描述:視頻放大器 3V/5V 6dB Video Buff w/Sync-Tip Clamp RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX4090AAXT-T | 功能描述:視頻放大器 RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX4090AXT-T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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