LTC1064-1CJ Linear Technology, LTC1064-1CJ Datasheet - Page 6

• Manufacturer Part Number: LTC1064-1CJ
• Description: 50KHZ CLOCK SWEEPABLE CAUER FILT
• Manufacturer: Linear Technology

Specifications of LTC1064-1CJ

• Filter Type: Cauer, Lowpass Switched Capacitor
• Frequency - Cutoff Or Center: 20kHz
• Number Of Filters: 1
• Max-order: 8th
• Voltage - Supply: ±2.37 V ~ 8 V
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC1064-1
TYPICAL APPLICATIO S
6
V
+
V
V
IN2
IN1
Transitional Elliptic-Bessel Dual 5th Order Lowpass Filter
47.5k
0.1µF
C
1V/DIV
1
2
3
4
5
6
7
Transient Response to a 2V Step
Input V
INV C
V
AGND
V
AGND
COMP1*
INV A
IN
+
LTC1064-1
OUT2
COMP2*
R(h, I)
V
1064 TA06
f
OUT
0.1µF
CLK
NC
NC
V
V
–
0.1ms/DIV
V
IN
+
14
13
12
11
10
9
8
f
× f
CLK
Adding an Output Buffer-Filter to Eliminate Any Clock Feedthrough
–3dB
= 200
C =
OUTPUT1 WIDEBAND NOISE: 50µV
OUTPUT2 WIDEBAND NOISE: 110µV
U
1
2
3
4
5
6
7
V
f
–3dB
OUT2
INV C
V
AGND
V
AGND
COMP1*
INV A
5
Over a 10:1 Clock Range, for f
V
IN
+
–
LTC1064-1
(µF)
0.1µF
COMP2*
–
+
R(h, I)
LT1056
V
47.5k
f
OUT
CLK
NC
NC
V
C
–
14
13
12
11
10
9
8
4.99k
RMS
RMS
V
OUT1
V
–
4.99k
0.1µF
430pF
CLK
= 2kHz to 20kHz
1V/DIV
–
+
–105
–15
–30
–45
–60
–75
–90
LT1056
15
200pF
0
1
Transient Response to a 2V Step
Input V
10k
OUT1
Amplitude Response
0.027µF
50Ω
V
0.1ms/DIV
OUT2
f
IN
10
(kHz)
1064 TA10
V
OUT
V
OUT1
f
f
–3dB
CLK
= 1MHz
= 5kHz
1064 TA09
100
10641fa