LTC1164-5C Linear Technology, LTC1164-5C Datasheet - Page 7

• Manufacturer Part Number: LTC1164-5C
• Description: Low Power 8th Order Pin Selectable Butterworth or Bessel Lowpass Filter
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
–54
–86
–50
–58
–62
–66
–70
–74
–78
–82
–90
12
11
10
9
8
7
6
5
4
3
2
1
0
0.1
0
Power Supply Current vs Power
Supply Voltage
THD + Noise vs Input Voltage
f
f
IN
CLK
1
= 1kHz, 140:1
= 750kHz
2
POWER SUPPLY (V
10
INPUT VOLTAGE (V
8
6
4
2
0
3
0
Phase Matching vs Frequency
4
MAXIMUM PHASE DIFFERENCE
BETWEEN ANY TWO UNITS
(SAMPLE OF 50 UNITS)
V
T
f
CLK
A
S
V
S
V
FREQUENCY (FREQUENCY/f
0.2
S
= 2.5V
5
70 C
= 5V
5V
500KHz
1
6
+
0.4
OR V
V
RMS
S
7
= 7.5V
)
W
–
8
)
LTC1164-5 • G29
LTC1164-5 • G24
0.6
125 C
–55 C
25 C
9
U
0.8
10
5
CUTOFF
A
B
LTC1164-5 • G27
1.0
)
–2.0
–0.5
–1.0
–1.5
–2.5
–3.0
2.0
1.5
1.0
0.5
1.2
Transient Response
V
BUTTERWORTH RATIO = 100:1
f
f
V
0
CLK
C
S
IN
Maximum Passband for Single 5V,
50:1, for Two Ground Bias Levels
2
= 5kHz
A. BUTTERWORTH
B. BESSEL (f
= 7.5V
= 500kHz
T
f
= 3V, 500Hz Square Wave
CLK
(f
A
4
CLK
= 70 C
= 1MHz
/ f
6
CUTOFF
CLK
8
FREQUENCY (kHz)
500 s/DIV
/f
= 100:1 OR 50:1)
10
CUTOFF
12
GND = 2.5V
= 140:1)
GND = 2V
14
16
LTC1164-5 • TPC25
18
1164-5 G30
20
–60
–70
–80
–90
–10
–20
–30
–40
–50
22
10
0
20
Power Supply Rejection Ratio
vs Frequency
f
CUTOFF
100
–40
–45
–50
–55
–80
–60
–65
–70
–75
–85
–90
= 1kHz
0.50
THD + Noise vs RMS Input for
Single 5V, 50:1
BESSEL RATIO = 140:1
f
f
V
Transient Response
V
CLK
C
FREQUENCY (Hz)
S
IN
= 5kHz
f
T
CLK
= 7.5V
A
= 700kHz
=25 C
= 3V, 500Hz Square Wave
= 1MHz
1k
0.75
LTC1164-5
INPUT (V
GND = 2.5V
GND = 2V
500 s/DIV
1.00
10k
LTC1164-5 • G28
V
V
RMS
+
–
)
50k
1.25
LTC1164-5 G26
1164-5 G31
7
1.50