參數(shù)資料
型號(hào): MAX9504AEUT+T
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 16/16頁(yè)
文件大?。?/td> 0K
描述: IC AMP VIDEO HI CUR SOT23-6
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
應(yīng)用: 通用
電路數(shù): 1
-3db帶寬: 47MHz
轉(zhuǎn)換速率: 165 V/µs
電流 - 電源: 5mA
電流 - 輸出 / 通道: 110mA
電壓 - 電源,單路/雙路(±): 2.7 V ~ 5.5 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: SOT-23-6
供應(yīng)商設(shè)備封裝: SOT-6
包裝: 帶卷 (TR)
MAX9504A/MAX9504B
3V/5V, 6dB Video Amplifiers with
High Output-Current Capability
_______________________________________________________________________________________
9
R2
150
R1
150
C1
120pF
C2
120pF
L1
4.7H
C3
6.8pF
R3
75
C7
0.1F
IN
OUT
GND
FB
SHDN
VCC
VOUT
VIDEO
CURRENT
DAC
3-POLE RECONSTRUCTION LPF
MAX9504
Figure 3. 3rd-Order Butterworth LPF with MAX9504
2nd-Order Butterworth Lowpass Filter Realization
Table 1 shows the normalized 2nd-order Butterworth
LPF component values at 1 rad/s with a source/load
impedance of 1.
With the following equations, the L and C can be calcu-
lated for the cutoff frequency (fC) at 9MHz. Table 2
shows the appropriate L and C values for different
source/load impedances, the bench measurement val-
ues for the -3dB frequency and the attenuation at
27MHz. There is approximately 20dB attenuation at
27MHz, which decreases the spikes at the sampling
frequency.
Figure 4 shows the frequency response for R1 = R2 =
150. At 6MHz, the attenuation is about 1.4dB. The
attenuation at 27MHz is about 20dB. Figure 5 shows
the multiburst response for R1 = R2 = 150.
C
Cn
fcR
L
Ln R
fc
1
21
1
11
2
=
π
Table 1. 2nd-Order Butterworth Lowpass
Filter Normalized Values
Rn1 = Rn2 (
)
Cn1 (F)
Ln1 (H)
1
1.414
Table 2. Bench Measurement Values
(2nd-Order LPF)
R1 = R2
(
)
C1
(pF)
L1
(H)
3dB
FREQUENCY
(MHz)
ATTENUATION AT
27MHz (dB)
75
330
1.8
8.7
20
150
3.9
9.0
20
200
120
4.7
9.3
22
300
82
8.2
8.7
20
0.1
1
10
100
FREQUENCY RESPONSE
FREQUENCY (MHz)
GAIN
(dB)
0
-60
-50
-40
-30
-20
-10
Figure 4. Frequency Response for 2nd-Order Lowpass Filter
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