LTC1264-7_1 Datasheet, PDF (6/16 Pages) Linear Technology – Linear Phase, Group Delay Equalized, 8th Order Lowpass Filter

LTC1264-7
TYPICAL PERFOR A CE CHARACTERISTICS
Passband Gain vs f_CLK
5
4
V_S = ±7.5V
(f_CLK/f_C) = 25:1
3 ^{TA = 25°C}
2
A. f_CLK = 1MHz
B. f_CLK = 2MHz
C. f_CLK = 3MHz
D. f_CLK = 4MHz
E. f_CLK = 5MHz
1
0
–1
–2
–3
A B C DE
–4
–5
10
100
FREQUENCY (kHz)
1000
1264-7 G08
Passband Gain vs f_CLK
5
4
V_S = ±7.5V
(f_CLK/f_C) = 50:1
3 ^{TA = 25°C}
2
A. f_CLK = 1MHz
B. f_CLK = 2MHz
C. f_CLK = 3MHz
D. f_CLK = 4MHz
E. f_CLK = 5MHz
1
0
–1
–2
–3
A B C DE
–4
–5
10
100
FREQUENCY (kHz)
1000
1264-7 G09
Passband Gain vs f_CLK at 85°C
5
4
V_S = ±7.5V
(f_CLK/f_C) = 25:1
3
A. f_CLK = 4MHz
B. f_CLK = 5MHz
2
1
0
–1
AB
–2
–3
–4
–5
10
100
FREQUENCY (kHz)
1000
1264-7 G10
Passband Gain vs f_CLK at 85°C
5
4
V_S = ±5V
(f_CLK/f_C) = 25:1
3
A. f_CLK = 1MHz
B. f_CLK = 2MHz
C. f_CLK = 3MHz
2
1
0
–1
–2
A BC
–3
–4
–5
10
100
FREQUENCY (kHz)
1000
1264-7 G11
Gain vs f_CLK
10
0
–10
– 20
A
B
C
– 30
–40 A. fCLK = 0.5MHz
– 50
B. f_CLK = 1MHz
C. f_CLK = 2MHz
– 60
V_S = SINGLE 5V
–70 (f_CLK/f_C) = 25:1
– 80
AGND = 2V
T_A = 25°C
– 90
10
100
200
FREQUENCY (kHz)
1264-7 G14
Gain vs Frequency
10
0
–10
– 20
– 30
– 40
– 50
– 60
V_S = ±7.5V
–70 _{fCLK = 5MHz}
– 80
(f_CLK/f_C) = 25:1
T_A = 25°C
– 90
10
100
FREQUENCY (kHz)
1000
1264-7 G12
Passband Gain vs f_CLK
5
4
V_S = SINGLE 5V
(f_CLK/f_C) = 25:1
3 ^{AGND = 2V}
T_A = 25°C
2
A. f_CLK = 0.5MHz
B. f_CLK = 1.0MHz
C. f_CLK = 1.5MHz
D. f_CLK = 2.0MHz
1
0
–1
–2
–3
A
B CD
–4
–5
10
100
FREQUENCY (kHz)
200
1264-7 G15
Gain vs Frequency
10
0
–10
– 20
– 30
– 40
– 50
– 60
V_S = ±5V
–70 _{fCLK = 3MHz}
– 80
(f_CLK/f_C) = 25:1
T_A = 25°C
– 90
10
100
FREQUENCY (kHz)
1000
1264-7 G13
Maximum Passband vs
Temperature
2
1
A
0
B
–1
A. T_A = 70°C
–2 B. T_A = –40°C
–3
V_S = SINGLE 5V
–4
f_CLK = 2MHz
(f_CLK/f_C) = 25:1
AGND = 2V
–5
1
10
FREQUENCY (kHz)
100
1264-7 G16
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