LTC1069-1
TYPICAL PERFORMANCE CHARACTERISTICS
Transition Band Gain vs
Passband Gain vs Frequency
Frequency
Stopband Gain vs Frequency
1.0
0.8
10
0
–70
–72
–74
–76
–78
–80
–82
–84
–86
–88
–90
V
f
C
V
=
CLK
5V
V
f
C
V
=
CLK
5V
S
S
V
=
5V
S
= 500kHz
= 500kHz
f
f
= 500kHz
CLK
C
f
= 5kHz
f
= 5kHz
= 5kHz
= 2V
0.6
–10
–20
–30
–40
–50
–60
–70
–80
–90
= 2V
= 2V
IN
RMS
IN
RMS
V
IN
RMS
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
5
6
7
8
9
10
11
11 12 13 14 15 16 17 18 19 20 21
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
10691 G02
10691 G03
10691 G01
Passband Gain vs Clock
Passband Gain vs Clock
Frequency, VS = Single 5V
Passband Gain vs Clock
Frequency, VS = 5V
Frequency, VS = Single 3.3V
2.0
1.5
2.0
1.5
2.0
1.5
V
V
= SINGLE 3.3V
V
V
= SINGLE 5V
V
V
=
IN
5V
RMS
S
S
S
= 0.5V
= 1.2V
= 2V
IN
RMS
IN
RMS
1.0
1.0
1.0
f
= 1.5MHz
= 15kHz
f
= 1MHz
f
= 750kHz
CLK
C
f
= 750kHz
= 7.5kHz
CLK
C
CLK
C
CLK
C
f
f
= 10kHz
f
= 7.5kHz
f
0.5
0.5
0.5
0
0
0
f
= 1MHz
f
C
= 500kHz
CLK
C
CLK
f
= 10kHz
f
= 5kHz
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
f
= 500kHz
C
CLK
f
= 500kHz
C
CLK
f
= 5kHz
f
= 5kHz
1.5
2.5 3.5 4.5 5.5
FREQUENCY (kHz)
7.5
1.5 2.5 3.5 4.5 5.5
7.5 8.5 9.5 10.5
3
5
7
9
11
15
0.5
6.5
0.5
6.5
1
13
FREQUENCY (kHz)
FREQUENCY (kHz)
10691 G04
10691 G05
10691 G06
Phase and Group Delay vs
Frequency
Gain vs Supply Voltage
Transient Response
10
0
0
–90
f
= 500kHz
V
f
C
= SINGLE 5V
CLK
= 5kHz
CLK
S
V
= 0.5V
RMS
= 500kHz
IN
f
–10
–20
–30
–40
–50
–60
–70
–80
–90
PHASE
–180
–270
–360
–450
–540
–630
–720
0.6
0.5
0.4
0.3
0.2
0.1
0
1V/DIV
GROUP DELAY
V
= 3.3V
S
10691 G09
0.2ms/DIV
V
= 5V
S
V
=
5V
S
V
7
= 5V
S
f
f
= 1MHz
CLK
IN
= 500Hz
1
2
3
4
5
7
1
3
5
9
11 13 15 17 19 21
0
6
4V SQUARE WAVE
P-P
FREQUENCY (kHz)
FREQUENCY (kHz)
10691 G07
10691 G08
10691fa
4