LTC1164-6C 查看數據表（PDF） - Linear Technology
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LTC1164-6C
Linear Technology
LTC1164-6C Datasheet PDF : 12 Pages
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LTC1164-6
TYPICAL APPLICATI S
8th Order Elliptic Lowpass Filter (fCLK/ fC) = 100:1
1
14
VIN
V+
0.1µF
2
13
3
12
4 LTC1164-6 11
fCLK
5
10
6
9
7
8
V–
0.1µF
VOUT
1164-6 TA07
8th Order Linear Phase Lowpass Filter (fCLK/ fC) = 160:1
1
14
VIN
V+
0.1µF
2
13
3
12
4 LTC1164-6 11 fCLK
5
10
6
9
7
8
V–
0.1µF
VOUT
1164-6 TA08
VIN
5V
0.1µF
0.1µF
8th Order 20kHz Cutoff, Elliptic Filter Operating with a Single 5V Supply and Driving 1k, 1000pF Load
10k
6.65k
1
14
2
13
3
12
4 LTC1164-6 11 1k
5
10 5V
6
9
7
8
5V
5V
fCLK
= 1MHz
10k
51.1k 2 – 7
LT1200
3+
4
1k
510pF
VOUT
1000pF
NOTES:
1. TOTAL SUPPLY CURRENT IS = 4mA
(EXCLUDING OUTPUT LOAD CURRENT)
2. FLAT PASSBAND UP TO 18kHz,
f–3dB = 20kHz
3. THD + NOISE ≤ –70dB,
1VP-P ≤ VIN ≤ 3VP-P, fIN = 1kHz
1164-6 TA09
R1
789Ω
VIN
C1
0.01µF
5V
0.1µF 15k
+
1µF
10k
Single 5V, 16th Order Lowpass Filter fCUTOFF = 10kHz
1
14
2
13
3
12
4 LTC1164-6 11
5
IC1
10
6
9
7
8
5V
5V
0.1µF
1
14
2
13
3
12
4 LTC1164-6 11
5
IC2
10
6
9
7
8
VS = SINGLE 5V, IS = 5mA TYP
16TH ORDER LOWPASS FILTER
FIXED fCUTOFF, fCLK = 540kHz
fCUTOFF = 10kHz
(fCLK/fC) = 54:1
1/2πR1C1 = 1/2πR2C2 = 2fCUTOFF
5V
R2
7.89k
VOUT
C2
0.001µF
1k
fCLK
1164-6 TA03
10
Gain vs Frequency
10
0
– 10
– 20
– 30
– 40
– 50
– 60
VS = SINGLE 5V
IS = 5mA, 16TH ORDER
–70 ELLIPTIC LOWPASS
fCLK = 540kHz
–80 fCUTOFF = 10kHz
– 90
1
10
FREQUENCY (kHz)
30
1164-6 TA04
THD + Noise vs Frequency
– 40
–45 VS = SINGLE 5V
IS = 5mA, 16TH ORDER
–50 ELLIPTIC LOWPASS
– 55
VIN = 0.5VRMS
fCLK = 540kHz
–60 fC = 10kHz
– 65
– 70
– 75
– 80
– 85
– 90
1
5
10
FREQUENCY (kHz)
1164-6 TA05
11646fa
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