LTC1067/LTC1067-50
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0.053 – 0.069
(1.346 – 1.752)
0° – 8° TYP
0.016 – 0.050
0.406 – 1.270
0.014 – 0.019
(0.355 – 0.483)
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
S Package
16-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.004 – 0.010
(0.101 – 0.254)
0.386 – 0.394*
(9.804 – 10.008)
16 15 14 13 12 11 10 9
0.050
(1.270)
TYP
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
1
2
34
5
6
7
8
S16 0695
TYPICAL APPLICATION
1.02kHz Notch Filter for Telecom System
5V
1 V+
16
CLK
200Ω
fCLK = 125kHz
0.1µF 2
NC
15
AGND
3 V+
V– 14
1µF
R61, 9.88k*
4
13
R62, 10k*
SA
SB
R51, 4.99k* 5
LTC1067
12 R52, 4.99k*
LPA
LPB
R31, 61.9k
R21, 10k
C21, 300pF**
6
BPA
7
HPA/NA
8
INV A
11
BPB
10
HPB/NB
9
INV B
R32, 464k
R22, 75k
C22, 30pF**
VOUT
VIN***
R11, 18.7k
RH1, 40.2k
* R51, R61, R52, R62 ARE 0.1% TOLERANCE RESISTORS
** C21 AND C22 IMPROVE THE NOTCH DEPTH WHERE
(30)(fNOTCH) < 2π(R2x1)(C2X)< (75)(f NOTCH)
WITHOUT C21 AND C22 THE NOTCH DEPTH IS LIMITED TO –35dB
*** VIN ≤ 1.25VP-P
1067 TA03
Frequency Response
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
800
900 1000 1100
FREQUENCY (kHz)
1200
1067 TA04
RELATED PARTS
PART NUMBER
LTC1068-25
LTC1068-50
LTC1068-200
LTC1068
LTC1562
DESCRIPTION
High Speed Quad Universal Building Block Filter
Low Power Quad Universal Building Block Filter
Low Noise, Oversampled Quad Universal Building Block Filter
Quad Universal Building Block Filter
Quad, Universal, Continuous Time Building Block
COMMENTS
25:1 Clock-to-fO Ratio
50:1 Clock-to-fO Ratio
200:1 Clock-to-fO Ratio
100:1 Clock-to-fO Ratio
10kHz < fC < 150kHz
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 qFAX:(408)434-0507 q www.linear-tech.com
10675f LT/TP 0698 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1997