Figure 3. Level Shifting the Input T2L Clock for Single Supp" />
參數(shù)資料
型號: LTC1064-4CSW#TRPBF
廠商: Linear Technology
文件頁數(shù): 11/12頁
文件大?。?/td> 0K
描述: IC FILTR 8TH ORDR LOWPASS 16SOIC
標準包裝: 1,000
濾波器類型: 考爾,低通開關(guān)電容器
頻率 - 截止或中心: 100kHz
濾波器數(shù): 1
濾波器階數(shù): 8th
電源電壓: ±2.37 V ~ 8 V
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 帶卷 (TR)
LTC1064-4
8
10644fb
Figure 3. Level Shifting the Input T2L Clock
for Single Supply Operation ≥6V.
Figure 4. Buffering the Filter Output. The Buffer Op Amp
Should Not Share the LTC1064-4 Power Lines.
Figure 5. Adding an Output Buffer-Filter to Eliminate Any Clock Feedthrough.
Passband Error of Output Buffer is ±0.1dB to 50kHz, –3dB at 94kHz.
LTC1064-4
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V+
1064-4 F03
0.1F
5k
2.2k
5k
1F
T2L
LEVEL
V+
1N5817
COMP2*
V
fCLK
50/100
VOUT
NC
INV C
VIN
AGND
V+
AGND
COMP1*
INV A
R(h, I)
VIN
VOUT
LTC1064-4
1
2
3
4
5
6
7
14
13
12
11
10
9
8
0.1F
VOUT
+
V
V+
POWER SOURCE
10k
1064-4 F04
RECOMMENDED OP AMPS:
LT1022, LT318, LT1056
V+/V
8
4
COMP2*
V
fCLK
50/100
VOUT
NC
INV C
VIN
AGND
V+
AGND
COMP1*
INV A
R(h, I)
VIN
LTC1064-4
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V+
V+/V
V
1064-4 F05
0.1F
VOUT
+
LT1056
200pF
430pF
10k
4.99k
50
0.027F
R(h, I)
COMP2*
V
fCLK
50/100
VOUT
NC
INV C
VIN
AGND
V+
AGND
COMP1*
INV A
VIN
Figure 1. Using Schottky Diodes to Protect
the IC from Power Supply Spikes
Figure 2. Single Supply Operation. If Fast Power Up or Down
Transients are Expected, Use a 1N5817 Schottky Diode
Between Pin 4 and Pin 5.
LTC1064-4
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V+
V
1064-4 F01
0.1F
1N5817
V+/V
COMP2*
V
fCLK
50/100
VOUT
NC
INV C
VIN
AGND
V+
AGND
COMP1*
INV A
R(h, I)
VIN
VOUT
LTC1064-4
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V+= 15V
1064-4 F02
0.1F
5k
V+/2
1N5817
0V TO 10V
COMP2*
V
fCLK
50/100
VOUT
NC
INV C
VIN
AGND
V+
AGND
COMP1*
INV A
R(h, I)
VIN
VOUT
TYPICAL APPLICATIO S
U
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