參數(shù)資料
型號(hào)： MAX4090EVKIT+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 17/17頁(yè)
文件大小： 0K
描述： KIT EVALUATION FOR MAX4090
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
主要目的： 視頻，放大器，單路
嵌入式： 否
已用 IC / 零件： MAX4090
主要屬性： 6dB 視頻緩沖器
次要屬性： 交流耦合視頻輸入
已供物品： 板
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.
相關(guān)PDF資料
PDF描述
ABC05DRTI-S13 CONN EDGECARD 10POS .100 EXTEND
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4090EVKIT+ 功能描述:放大器 IC 開發(fā)工具 3V/5V 6dB Video Buff w/Sync-Tip Clamp 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
MAX4090EXT 制造商:Maxim Integrated Products 功能描述:3V/5V 6DB VIDEO BUFFER WITH SYNC-T - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:
MAX4090EXT+ 制造商:Maxim Integrated Products 功能描述:VID BFFR 6PIN SC-70 - Rail/Tube
MAX4090EXT+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
MAX4090EXT-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
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