ltc1264-7 Linear Technology Corporation, ltc1264-7 Datasheet - Page 7

• Manufacturer Part Number: ltc1264-7
• Description: Linear Phase, Group Delay Equalized, 8th Order Lowpass Filter
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR
–10
–20
–30
–40
–50
–60
–70
–80
–90
–40
–45
–50
–90
–55
–60
–65
–70
–75
–80
–85
10
30
25
20
15
10
0
5
0
10
20
1
Gain vs f
Delay vs f
THD vs Frequency
V
(f
AGND = 2V
T
C
D
A
B
V
V
f
(f
(5 REPRESENTA-
TIVE UNITS)
A
S
CLK
CLK
40
S
IN
CLK
= SINGLE 5V
= 25°C
= ±7.5V
= 1V
/f
= 2.5MHz
/f
60
C
C
) = 50:1
) = 25:1
RMS
INPUT FREQUENCY (kHz)
A
CLK
80
CLK
FREQUENCY (kHz)
FREQUENCY (kHz)
100
120
B
10
140
A. f
B. f
C. f
V
(f
T
A. f
B. f
C. f
D. f
A
S
CLK
160
C
CLK
CLK
CLK
= 25°C
= ±7.5V
CLK
CLK
CLK
CLK
W
100
/f
180
= 0.5MHz
= 1MHz
= 2MHz
C
= 1MHz
= 2MHz
= 3MHz
) = 25:1
= 4MHz
1264-7 G23
1264-7 G17
A
200
1264-7 G20
U
200
220
100
CE
C
HARA TERISTICS
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–40
–1
–2
–3
–4
–5
60
50
40
30
20
10
4
3
5
2
1
0
0
10
1
5
Passband Gain vs f
Delay vs f
THD vs Frequency
C
D
A
B
V
(f
AGND = 2V
T
V
V
f
(f
AGND = 2V
(5 REPRESENTA-
TIVE UNITS)
CLK
A
S
20
CLK
S
IN
CLK
= SINGLE 5V
= 25°C
= SINGLE 5V
= 0.5V
= 500kHz
/f
/f
30
C
C
C
10
) = 50:1
) = 25:1
INPUT FREQUENCY (kHz)
A
RMS
40
CLK
FREQUENCY (kHz)
FREQUENCY (kHz)
50
60
B
CLK
70
A. f
B. f
C. f
D. f
C
V
(f
T
A. f
B. f
C. f
D. f
S
A
CLK
CLK
CLK
CLK
80
CLK
= ±7.5V
= 25°C
CLK
CLK
CLK
CLK
D
/f
10
= 0.5MHz
= 1.0MHz
= 1.5MHz
= 2.0MHz
C
90
= 1MHz
= 2MHz
= 3MHz
) = 50:1
= 4MHz
1264-7 G24
1264-7 G18
100
1264-7 G21
100
110
20
– 0.5
–2.0
–2.5
–3.0
–3.5
–4.0
–1.0
–1.5
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
1.0
0.5
0
1
0.1
1
Maximum Passband vs
Temperature
THD vs Frequency
THD + Noise vs Input
V
V
f
(f
(5 REPRESENTA-
TIVE UNITS)
A. T
B. T
V
f
(f
AGND = 2V
CLK
f
f
(f
CLK
S
IN
IN
CLK
S
CLK
CLK
CLK
= ±5V
= SINGLE 5V
= 1V
= 1kHz
A
A
= 1MHz
= 2MHz
/f
/f
= 1MHz
/f
= 70°C
= –40°C
C
C
C
) = 25:1
) = 50:1
RMS
) = 25:1
INPUT AMPLITUDE (V
FREQUENCY (kHz)
FREQUENCY (kHz)
LTC1264-7
A. V
B. V
S
S
10
10
= ±5V
= ±7.5V
1
A
B
RMS
)
A
1264-7 G19
1264-7 G22
1264-7 G25
12647fa
7
B
50
50
5