LTC1069-7 Linear Technology, LTC1069-7 Datasheet - Page 5

• Manufacturer Part Number: LTC1069-7
• Description: Linear Phase 8th Order Lowpass Filter
• Manufacturer: Linear Technology

TYPICAL PERFORMANCE CHARACTERISTICS
–4.7
–4.5
–4.6
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
4.0
4.2
4.1
0
–40
Phase Matching vs Frequency
0
Transient Response
V
f
f
V
Output Voltage Swing vs
Temperature
CLK
CUTOFF
S
IN
= 5V
0.1
= 4V
= 500kHz
–20
FREQUENCY (f
= 20kHz
P-P
0.2
SQUARE WAVE AT 1kHz
0
0.3
TEMPERATURE ( C)
V
f
PHASE DIFFERENCE BETWEEN
ANY TWO UNITS (SAMPLE OF
20 REPRESENTATIVE UNITS)
CLK
S
= 5V
0.4
0.1ms/DIV
20
2.5MHz
CUTOFF
0.5
V
f
f
R
I
40
CLK
CUTOFF
SOURCE
S
L
0.6
/FREQUENCY)
= 5V
= 10k
= 2.5MHz
0.7
70 C
25 C
60
= 100kHz
/I
SINK
W
LTC1069-7 • TPC18
LTC1069-7 • TPC11
0.8
LTC1069-7 • TPC15
= 1mA
80
0.9
U
100
1.0
–40
–45
–50
–55
–60
–65
–70
–75
–10
–15
–20
–25
–30
–35
–40
–45
–50
25
20
15
10
5
0
0.25
0.1
0
THD + Noise vs Input (V
Output Offset vs Clock Frequency
Supply Current vs
Supply Voltage
f
f
f
f
CLK
C
IN
CLK
= 40kHz
= 1kHz
= 10Hz
= 1MHz
1
1.25
CLOCK FREQUENCY (MHz)
SUPPLY VOLTAGE ( V)
2
INPUT (V
2.25
25 C
V
1
3
S
V
V
S
= 5V
S
P-P
3.25
= 5V
= 5V
)
4
85 C
P-P
–40 C
LTC1069-7 • TPC16
V
LTC1069-7 • TPC19
LTC1609-7 • TPC13
4.25
)
S
5
= 5V
5.25
10
6
–40
–45
–50
–55
–60
–65
–70
–75
–80
4.1
1.0
4.3
4.2
1.2
1.1
22
21
20
19
18
17
16
15
14
13
12
11
10
0.25
–40
THD + Noise vs Frequency
1
Output Voltage Swing vs
Temperature
Supply Current vs
Clock Frequency
f
f
CLK
C
–20
= 100kHz
= 2.5MHz
1.25
CLOCK FREQUENCY (MHz)
V
V
S
S
0
TEMPERATURE ( C)
= 5V, V
= 5V, V
FREQUENCY (kHz)
2.25
20
LTC1069-7
V
f
f
R
I
V
CLK
CUTOFF
SOURCE
IN
S
L
S
10
V
IN
= 5V (AGND AT 2.5V)
= 10k
= 5V
S
= 1V
= 500kHz
40
= 2V
= 5V
3.25
= 20kHz
/I
P-P
SINK
P-P
60
LTC1069-7 • TPC17
4.25
LTC1069-7 • TPC14
1mA
LTC1263 • TPC20
80
5
100
5.25
100