LTC1164C 查看數據表（PDF） - Linear Technology
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LTC1164C Datasheet PDF : 16 Pages
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LTC1164
TYPICAL PERFOR A CE CHARACTERISTICS
Mode 1, (fCLK/fO) = 50:1
30
25 TA = 25°C
20
VS = ±2.5V
VS = ±7.5V
15
Q=7
Q=7
10
Q = 2.5
5
Q = 2.5
0
–5
2
VS = ±2.5V
1.5
Q = 7 Q = 2.5
1
Q=7
VS = ±7.5V
0.5
Q = 2.5
0
0 5 10 15 20 25 30 35 40 45 50 55 60
CENTER FREQUENCY, fO (kHz)
LTC1164 • TPC01
Mode 1, (fCLK/fO) = 100:1
30
25 TA = 25°C
20
15
VS = ±2.5V
Q=7
VS = ±7.5V
10
Q = 2.5 Q = 7
5
0
Q = 2.5
–5
2
VS = ±2.5V
1.5
Q=7
VS = ±7.5V
1
Q = 2.5 Q = 7
0.5
Q = 2.5
0
0 5 10 15 20 25 30
CENTER FREQUENCY, fO (kHz)
LTC1164 • TPC02
Mode 3, (fCLK/fO) = 50:1
30
25
20 VS = ± 2.5V
Q=7
15 Q = 2.5
10
TA = 25°C
Q=7
VS = ±7.5V
5
Q = 2.5
0
–5
2
1.5
1
0.5
0
0
VS = ± 2.5V
Q=7
Q = 2.5
Q=7
Q = 2.5 VS = ±7.5V
5 10 15 20 25 30 35 40 45 50 55 60
CENTER FREQUENCY, fO (kHz)
LTC1164 • TPC03
Mode 3, (fCLK/fO) = 100:1
30
25
20 VS = ± 2.5V
15
Q=7
Q = 2.5
10
TA = 25°C
Q=7
VS = ±7.5V
5
Q = 2.5
0
–5
2
1.5 VS = ± 2.5V
Q = 2.5
1
0.5
Q=7
Q = 7 VS = ±7.5V
0
Q = 2.5
0
5
10 15 20 25 30
CENTER FREQUENCY, fO (kHz)
LTC1164 • TPC04
Mode 3 Q Error vs Ideal Q
–11
–10
TA = 25°C
VS = ±5V
–9
50:1
–8
50:1 fCLK = 200kHz
100:1 fCLK = 400kHz
–7
–6
–5
–4
– 3 100:1
–2
–1
0
0 123456 78
IDEAL Q
9 10 11
LTC1164 • TPC05
Wideband Noise vs Q
240
220
ONE SECOND ORDER SECTION
LP OR BP OUTPUT
200 MODE 1, 2, OR 3 100:1 OR 50:1
180
160
± 7.5V
140
± 5.0V
120
± 2.5V
100
80
60
40
20
0
0 2 4 6 8 10 12 14 16 18 20 22 24
Q
LTC1164 • TPC06
Total Harmonic Distortion vs
Output Amplitude
1
VS = ±2.5V
Power Supply Current vs Voltage
8.000
fCLK ≤ 500kHz
0.1
VS = ±5V
0.010
VS = ±7.5V
fIN = 1kHz
fCLK = 250kHz
0.001 50:1 R1 = R2 = R3 = R4 = 25k
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
AMPLITUDE (VRMS)
LTC1164 • TPC07
6.400
4.800
3.200
–55°C
25°C
125°C
1.600
0.000
±2.500 ±3.500
±4.500 ±5.500 ±6.500 ±7.500
±VSUPPLY (V)
LTC1164 • TPC08
1164fa
6
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