参数资料
型号: LT1568IGN#PBF
厂商: Linear Technology
文件页数: 4/16页
文件大小: 0K
描述: IC BLOCK BUILD FLTR LONOS 16SSOP
标准包装: 100
滤波器类型: 带通
频率 - 截止或中心: 200kHz
滤波器数: 2
滤波器阶数: 2nd
电源电压: 2.7 V ~ 11 V,±2.7 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 管件
LT1568
12
1568f
Table 1. Resistor Values in Ohms, Dual 2nd Order
Butterworth, Gain = 1, R12 = R11, R22 = R21, R32 = R31
fCUTOFF (MHz)
R11 = R21 = R31
0.2
6340
0.5
2550
1
1270
2
634
3
422
4
324
5
255
6
210
7
182
8
162
9
143
10
127
FREQUENCY (MHz)
0.1
–50
GAIN
(dB) –40
–30
–20
–10
110
20
1568 TA07
–60
–70
–80
–90
0
10
Amplitude Response
2nd Order Butterworth, fCUTOFF = 1MHz
Transient Response
2nd Order Butterworth, fCUTOFF = 1MHz
INPUT
500mV/DIV
OUTPUT
200mV/DIV
1
s/DIV
1568 TA08
Dual 2nd Order Lowpass Filter,
Dual Supply Operation
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V+
INVA
SA
OUTA
GNDA
NC
V
V+
INVB
SB
OUTB
GNDB
EN
V
0.1
F
BAT54S
VIN1
VOUTA
VIN2
VOUTB
R11
R31
R22
R32
R12
R21
0.1
F
–5V
1568 TA03
5V
LT1568
Dual 2nd Order Lowpass Filter,
Single Supply Operation
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V+
INVA
SA
OUTA
GNDA
NC
V
V+
INVB
SB
OUTB
GNDB
EN
V
0.1
F
VIN1
VOUTA
VIN2
VOUTB
R11
R31
R22
R32
R12
R21
0.1
F
1568 TA04
2.7V
≤ V+ ≤ 10V
LT1568
R
ff
C
CUTOFF
11 = R21 = R31 = R = 128
10MHz
fC
=
DUAL 2nd ORDER LOWPASS FILTER DESIG S
U
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