LTC1562-2 Linear Technology, LTC1562-2 Datasheet - Page 16

• Manufacturer Part Number: LTC1562-2
• Description: Very Low Noise/ Low Distortion Active RC Quad Universal Filter
• Manufacturer: Linear Technology

LTC1562-2
RELATED PARTS
16
TYPICAL APPLICATIONS
PART NUMBER
LTC1068-X
LTC1560-1
LTC1562
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
–10
–20
–30
–40
–50
–60
–70
–80
10
0
10k
Amplitude Response
DESCRIPTION
Quad 2-Pole Switched Capacitor Building Block
5-Pole Elliptic Lowpass, f
Quad 2-Pole Active RC, 10kHz to 150kHz
FREQUENCY (Hz)
100k
V
5V
IN
256kHz Linear Phase 6th Order Lowpass Filter with a 2nd Order
U
0.1 F
*GROUND ALSO AT PINS 4, 7, 14 & 17
ALL RESISTORS 1% METAL FILM
R23 4.12k
R
R
4.12k
R
7.5k
R21 6.81k
Q3
R
IN3
IN1
Q1
1562-2 TA04b
7.32k
3.24k
C
Allpass Phase Equalizer, Single Supply
1M
= 1MHz/0.5MHz
10
1
2
3
5
6
8
9
INV B
V1 B
V2 B
V
SHDN
V2 A
V1 A
INV A
+
R
FF1
LTC1562-2
R
6.19k
IN4
4.12k
R
B1
AGND
INV D
INV C
V1 C
V2 C
V2 D
V1 D
1.54k
V
–
20
19
18
16
15
13
12
11
C
IN4
R
R22 6.19k
R24 4.12k
R
22pF 5%
Q2
Q4
4.12k
7.32k
8
7
6
5
4
3
2
1
0
COMMENTS
Clock Tuned
No External Components, SO8
Same Pinout as LTC1562-2
50
+
1 F
100
Group Delay Response
1562-2 TA04a
150
*
FREQUENCY (kHz)
200
V
OUT
250
LINEAR TECHNOLOGY CORPORATION 1998
15622f LT/TP 0599 4K • PRINTED IN USA
300
350
1562-2 TA04c
400