LTC1062CS Linear Technology, LTC1062CS Datasheet - Page 9

• Manufacturer Part Number: LTC1062CS
• Manufacturer: Linear Technology

Specifications of LTC1062CS

• Architecture: Switched Capacitor
• Cutoff Frequency: 20KHz
• Order Filter (max): 5th
• Single Supply Voltage (typ): 9/12/15V
• Dual Supply Voltage (typ): ±3/±5V
• Power Supply Requirement: Single/Dual
• Single Supply Voltage (min): 5V
• Single Supply Voltage (max): 18V
• Dual Supply Voltage (min): ±2.5V
• Dual Supply Voltage (max): ±9V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Filter Type: Low Pass Filter
• Lead Free Status / RoHS Status: Not Compliant

TYPICAL APPLICATIO S
Frequency Response of the Bandpass Filter
–80
–90
–10
–20
–40
–50
–60
–70
–30
20
10
0
0.5
1
1.5
2
V
V
IN
IN
(kHz)
2.5
10k
R1
V
R1
R2
R′1
R′2
V
3
R1
S
IN
U
= ±5V
= 1
= 0.8
= 100mV
3.5
–5V
10k
R2
–5V
R2
1
2
3
4
4
1062 TA09
Selective Clock Sweepable Bandpass Filter
RMS
Cascading Two LTC1062s to Form a Very
For Simplicity Use R3 = R4 = R5 = 10k;
FB
AGND
V
DIVIDER
RATIO
1
2
3
4
–
4.5
LTC1062
FB
AGND
V
DIVIDER
RATIO
–
LTC1062
R5
R2
Clock Tunable Notch Filter
B
C
OUT
OUT
OSC
= 1.234,
V
B
C
+
OUT
OUT
OSC
V
8
7
6
5
+
8
7
6
5
1062 TA08
f
NOTCH
5V
f
CLK
R4
R3
5V
f
CLK
10k
R′1
= 79.3
–5V
12.5k
1
R′2
R5
–10
1
2
3
4
Frequency Response of the Notch Filter
10
20
30
40
50
60
70
0
100
FB
AGND
V
DIVIDER
RATIO
–
+
–
LTC1062
300
B
C
OUT
OUT
OSC
V
+
500
8
7
6
5
1062 TA07
(Hz)
V
OUT
V
5V
f
CLK
OUT
700
900
1062 TA10
LTC1062
1100
1062fd
9