20
LTC1067/LTC1067-50
LINEAR TECHNOLOGY CORPORATION 1997
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
10675fs, sn1067 LT/TP 0698 4K • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear-tech.com
PART NUMBER DESCRIPTION COMMENTS
LTC1068-25 High Speed Quad Universal Building Block Filter 25:1 Clock-to-f
O
Ratio
LTC1068-50 Low Power Quad Universal Building Block Filter 50:1 Clock-to-f
O
Ratio
LTC1068-200 Low Noise, Oversampled Quad Universal Building Block Filter 200:1 Clock-to-f
O
Ratio
LTC1068 Quad Universal Building Block Filter 100:1 Clock-to-f
O
Ratio
LTC1562 Quad, Universal, Continuous Time Building Block 10kHz < f
C
< 150kHz
RELATED PARTS
TYPICAL APPLICATION
U
1.02kHz Notch Filter for Telecom System
0.1µF
1067 TA03
LTC1067
5V
R52, 4.99k*
R32, 464k
R22, 75k
R31, 61.9k
R51, 4.99k*
R61, 9.88k*
R21, 10k
R11, 18.7k
V
IN
***
1µF
f
CLK
= 125kHz
1
2
3
4
5
6
7
8
16
15
14
13
12
200Ω
R62, 10k*
RH1, 40.2k
C21, 300pF**
C22, 30pF**
V
OUT
R51, R61, R52, R62 ARE 0.1% TOLERANCE RESISTORS
C21 AND C22 IMPROVE THE NOTCH DEPTH WHERE
*
**
***
1
2π(R2x)(C2X)
(30)(f
NOTCH
) < < (75)(f
NOTCH
)
WITHOUT C21 AND C22 THE NOTCH DEPTH IS LIMITED TO –35dB
V
IN
≤ 1.25V
P-P
V
+
NC
V
+
SA
LPA
BPA
HPA/NA
INV A
CLK
AGND
V
–
SB
LPB
11
10
9
HPB/NB
INV B
BPB
Frequency Response
FREQUENCY (kHz)
800
GAIN (dB)
900 1000 1100
1067 TA04
1200
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
S16 0695
1
2
3
4
5
6
7
8
0.150 – 0.157**
(3.810 – 3.988)
16
15
14
13
0.386 – 0.394*
(9.804 – 10.008)
0.228 – 0.244
(5.791 – 6.197)
12
11
10
9
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
× 45°
0° – 8° TYP
0.008 – 0.010
(0.203 – 0.254)
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)