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LT10647FB_15 Datasheet, PDF (9/16 Pages) Linear Technology – Linear Phase, 8th Order Lowpass Filter
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LTC1064-7
TYPICAL PERFOR A CE CHARACTERISTICS
Table 3. Passband Gain and Phase
VS = ±5V, (fCLK/ fC) = 50:1, TA = 25°C
FREQUENCY (kHz)
fCLK = 3.5MHz (Typical Unit)
0.000
17.500
35.000
52.500
70.000
GAIN (dB)
– 0.054
– 0.054
– 0.108
– 0.137
– 1.104
Table 4. Passband Gain and Phase
VS = ±5V, (fCLK/ fC) = 100:1, TA = 25°C
FREQUENCY (kHz)
fCLK = 0.5MHz (Typical Unit)
0.000
1.250
2.500
3.750
5.000
fCLK = 1MHz (Typical Unit)
0.000
2.500
5.000
7.500
10.000
GAIN (dB)
– 0.186
– 0.186
– 0.726
– 1.805
– 4.402
– 0.184
– 0.184
– 0.712
– 1.785
– 4.387
fCLK = 1.5MHz (Typical Unit)
0.000
3.750
7.500
11.250
15.000
fCLK = 2MHz (Typical Unit)
0.000
5.000
10.000
15.000
20.000
fCLK = 2.5MHz (Typical Unit)
0.000
6.250
12.500
18.750
25.000
fCLK = 3MHz (Typical Unit)
0.000
7.500
15.000
22.500
30.000
fCLK = 3.5MHzMHz (Typical Unit)
0.000
8.750
17.500
26.250
35.000
– 0.145
– 0.145
– 0.596
– 1.556
– 4.047
– 0.116
– 0.116
– 0.494
– 1.361
– 3.761
– 0.101
– 0.101
– 0.452
– 1.273
– 3.611
– 0.105
– 0.105
– 0.445
– 1.228
– 3.509
– 0.104
– 0.104
– 0.437
– 1.188
– 3.478
PHASE (DEG)
180.00
71.07
– 38.00
– 146.68
– 258.97
PHASE (DEG)
180.00
74.10
– 31.65
– 136.48
– 240.33
180.00
74.02
– 31.80
– 136.61
– 240.43
180.00
73.84
– 32.32
– 137.73
– 242.95
180.00
73.64
– 32.93
– 139.03
– 245.57
180.00
73.17
– 33.93
– 140.58
– 247.80
180.00
72.36
– 35.47
– 142.70
– 250.58
180.00
70.81
– 38.39
– 146.85
– 256.10
Table 5. Passband Gain and Phase
VS = Single 5V, (fCLK/ fC) = 50:1, TA = 25°C
FREQUENCY (kHz)
fCLK = 0.5MHz (Typical Unit)
0.000
2.500
5.000
7.500
10.000
fCLK = 1MHz (Typical Unit)
0.000
5.000
10.000
15.000
20.000
fCLK = 1.5MHz (Typical Unit)
0.000
7.500
15.000
22.500
30.000
fCLK = 2MHz (Typical Unit)
0.000
10.000
20.000
30.000
40.000
GAIN (dB)
– 0.134
– 0.134
– 0.391
– 1.109
– 3.351
– 0.148
– 0.148
– 0.423
– 1.111
– 3.241
– 0.157
– 0.157
– 0.456
– 0.981
– 2.687
– 0.188
– 0.188
– 0.304
– 0.513
– 1.824
Table 6. Passband Gain and Phase
VS = Single 5V, (fCLK/ fC) = 100:1, TA = 25°C
FREQUENCY (kHz)
fCLK = 0.5MHz (Typical Unit)
0.000
1.250
2.500
3.750
5.000
GAIN (dB)
– 0.243
– 0.243
– 0.776
– 1.861
– 4.483
fCLK = 1MHz (Typical Unit)
0.000
2.500
5.000
7.500
10.000
– 0.208
– 0.208
– 0.678
– 1.679
– 4.221
fCLK = 1.5MHz (Typical Unit)
0.000
3.750
7.500
11.250
15.000
fCLK = 2MHz (Typical Unit)
0.000
5.000
10.000
15.000
20.000
– 0.115
– 0.115
– 0.473
– 1.314
– 3.715
– 0.209
– 0.209
– 0.499
– 1.281
– 3.695
PHASE (DEG)
180.00
73.52
– 33.67
– 140.92
– 249.32
180.00
73.07
– 34.63
– 142.25
– 251.03
180.00
72.73
– 34.83
– 142.08
– 251.09
180.00
71.37
– 37.52
– 146.11
– 257.46
PHASE (DEG)
180.00
73.91
– 31.98
– 136.98
– 240.90
180.00
73.76
– 32.47
– 137.87
– 242.65
180.00
73.26
– 33.73
– 140.40
– 247.66
180.00
71.18
– 37.85
– 146.27
– 255.38
10647fb
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