參數(shù)資料
型號: LTC1066-1CS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 運動控制電子
英文描述: 14-Bit DC Accurate Clock-Tunable, 8th Order Elliptic or Linear Phase Lowpass Filter
中文描述: SWITCHED CAPACITOR FILTER, ELLIPTIC/BESSEL, LOWPASS, PDSO18
封裝: PLASTIC, SOL-18
文件頁數(shù): 6/16頁
文件大?。?/td> 363K
代理商: LTC1066-1CS
6
LTC1066-1
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
TOTAL POWER SUPPLY VOLTAGE (V)
0
2
6
10
14
18
P
30
27
24
21
18
15
12
9
6
3
0
16
1066-1 G18
4
8
12
20
0°C
25°C
70°C
Power Supply Current vs
Power Supply Voltage
100
μ
s/DIV
LINEAR PHASE (PIN 8 TO GND)
f
IN
= 1kHz, f
CUTOFF
= 10kHz
1066-1 G20
Transient Response
1
1
100
μ
s/DIV
ELLIPTIC RESPONSE (PIN 8 TO V
+
)
f
IN
= 1kHz, f
CUTOFF
= 10kHz
1066-1 G19
Transient Response
Table 1. Elliptic Response, f
C
= 10kHz, f
CLK
/f
CUTOFF
= 50:1,
V
S
=
±
7.5V, R
F
= 20k, C
F
= 1
μ
F, No RC Compensation,
T
A
= 25
°
C
FREQUENCY
GAIN
(kHz)
(dB)
2.000
0.117
3.000
0.118
4.000
0.116
5.000
0.112
6.000
0.104
7.000
0.074
8.000
–0.014
9.000
–0.278
10.000
–0.986
PHASE
(DEG)
–50.09
–75.75
–101.96
–129.25
–157.82
171.68
138.41
101.26
58.98
GROUP DELAY
(
μ
s)
70.52
72.04
74.32
77.59
82.04
88.56
97.80
110.33
124.91
Table 2. Elliptic Response, f
C
= 50kHz, f
CLK
/f
CUTOFF
= 50:1,
V
S
=
±
7.5V, R
F
= 20k, C
F
= 1
μ
F, No RC Compensation,
T
A
= 25
°
C
FREQUENCY
GAIN
(kHz)
(dB)
10.000
0.104
15.000
0.105
20.000
0.107
25.000
0.109
30.000
0.107
35.000
0.089
40.000
0.014
45.000
–0.231
50.000
–0.905
PHASE
(DEG)
–50.91
–76.95
–103.51
–131.13
–160.03
169.22
135.72
98.44
56.15
GROUP DELAY
(
μ
s)
14.32
14.61
15.05
15.70
16.57
17.85
19.66
22.10
24.93
Table 3. Linear Phase Response, f
C
= 10kHz,
f
CLK
/f
CUTOFF
= 100:1, V
S
=
±
7.5V, R
F
= 20k, C
F
= 1
μ
F,
No RC Compensation, T
A
= 25
°
C
FREQUENCY
GAIN
(kHz)
(dB)
2.000
–0.020
3.000
–0.181
4.000
–0.383
5.000
–0.601
6.000
–0.811
7.000
–1.004
8.000
–1.196
9.000
–1.451
10.000
–1.910
PHASE
(DEG)
–39.96
–59.76
–79.60
–99.34
–119.40
–139.91
–161.56
175.21
149.99
GROUP DELAY
(
μ
s)
55.25
55.03
54.98
55.28
56.34
58.56
62.34
67.29
72.31
Table 4. Linear Phase Response, f
C
= 50kHz,
f
CLK
/f
CUTOFF
= 100:1, V
S
=
±
7.5V, R
F
= 20k, C
F
= 1
μ
F,
No RC Compensation, T
A
= 25
°
C
FREQUENCY
GAIN
(kHz)
(dB)
10.000
0.039
15.000
–0.068
20.000
–0.202
25.000
–0.345
30.000
–0.479
35.000
–0.594
40.000
–0.701
45.000
–0.860
50.000
–1.214
PHASE
(DEG)
– 40.72
– 61.01
– 81.42
–101.88
–122.74
–144.09
–166.68
169.15
142.72
GROUP DELAY
(
μ
s)
11.30
11.31
11.36
11.48
11.73
12.20
12.99
14.06
15.19
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