LTC1562CG#PBF Linear Technology, LTC1562CG#PBF Datasheet - Page 28

• Manufacturer Part Number: LTC1562CG#PBF
• Description: IC FILTER UNIV RC QUAD LN 20SSOP
• Manufacturer: Linear Technology

Specifications of LTC1562CG#PBF

• Filter Type: Universal, Continuous-Time
• Frequency - Cutoff Or Center: 150kHz
• Number Of Filters: 4
• Max-order: 8th
• Voltage - Supply: 4.75 V ~ 10.5 V, ±4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RELATED PARTS
LTC1562
PART NUMBER
LTC1068, LTC1068-X
LTC1560-1
LTC1562-2
LTC1563-2/LTC1563-3
LTC1564
LTC1565-31
LTC1566-1
28
TYPICAL
V
V
IN2
IN1
5V
0.1 F
R
R
IN3
IN1
Dual 4th Order 12dB Gaussian Lowpass Filter
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
SCHEMATIC INCLUDES PIN NUMBERS FOR 20-PIN PACKAGE.
PINS 4, 7, 14, 17 (NOT SHOWN) ALSO CONNECT TO V
APPLICATION
R23
R
R
R21
Q3
Q1
10
DESCRIPTION
Quad 2-Pole Switched Capacitor Building Block Family
5-Pole Elliptic Lowpass, f
Quad 2-Pole Active RC, 20kHz to 300kHz
4th Order Active RC Lowpass Filters
10kHz to 150kHz Digitally Controlled Filter and PGA
650kHz Continuous Time, Linear Phase Lowpass Filter
2.3MHz Continuous Time Lowpass Filter
1
2
3
5
6
8
9
f
INV B
V1 B
V2 B
V
SHDN
V2 A
V1 A
INV A
C
+
16k
32k
64k
(Hz)
LTC1562
R
R
IN2
IN4
R
AGND
INV C
INV D
V1 C
V2 C
V2 D
V1 D
IN1
26.1k
8.45k
U
105k
V
–
= R
20
19
18
16
15
13
12
11
IN3
www.linear.com
C
1562 TA16a
= 1MHz/0.5MHz
R
R22
R24
R
R21 = R23
1 F
Q2
Q4
–
26.1k
6.49k
105k
V
V
OUT2
OUT1
R
Q1
16.9k
8.45k
34k
= R
Q3
R
IN2
1V/DIV
84.5k
16.2k
340k
= R
IN4
– 20
– 40
– 60
– 80
20
0
COMMENTS
Clock-Tuned
No External Components, SO8
Same Pinout as the LTC1562
f
Continuous Time Low Noise 8th Order with PGA
7th Order, Differential Inputs and Outputs
7th Order, Differential Inputs and Outputs
CUTOFF(MAX)
1
R22 = R24
f
C
84.5k
340k
21k
= 16kHz, Data Clock = 32kHz
4-Level Eye Diagram
Amplitude Response
= 256kHz, Resistor Programmable
FREQUENCY (kHz)
10
R
10 s/DIV
f
Q2
C
16.9k
8.45k
f
34k
= 64kHz
C
= R
= 32kHz
LINEAR TECHNOLOGY CORPORATION 1998
f
LT/TP REV A 0102 1.5K • PRINTED IN USA
C
Q4
= 16kHz
100
1562 TA16b
300
1562 TA16c
1562fa