LTC1040C Просмотр технического описания (PDF) - Linear Technology
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LTC1040C Datasheet PDF : 12 Pages
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LTC1040
TYPICAL APPLICATIO S
Analog Multiplier/Divider
5V
4
VC18
15
100k
16
V1
V2
VA
5+
6 – 1/2
18
4
7
8
+ LTC1040
–
10
16 LTC1043
3
10k
+
VOUT
10µF
9
13
VB*
14
12 10k
+
10µF
17
Single + 5V Voltage-to-Frequency Converter
VREF (5V)
5 + 18
VIN
6 – 1/2
4
7
8
+ LTC1040
– 10
1
9
100k
+
1µF
1/4 74C00
fOUT
1/4 74C00
fIN
fOUT (AVERAGE) =
fIN
VIN
VREF
±0.1%
FS
LTC1040 • TA11
VOUT = (VA + V1 – V2) • VC
VB
ACCURACY = ±10mV NO TRIM
*VB MUST BE > VA + (V1 – V2)
LTC1040 • TA10
PACKAGE DESCRIPTIO
SW Package
18-Lead Plastic Small Outline (Wide .300 Inch)
(Reference LTC DWG # 05-08-1620)
.030 ±.005
TYP
N
.050 BSC .045 ±.005
.447 – .463
(11.354 – 11.760)
NOTE 4
18 17 16 15 14 13 12 11 10
N
.420
.325 ±.005
MIN
NOTE 3
.394 – .419
(10.007 – 10.643)
123
N/2
N/2
RECOMMENDED SOLDER PAD LAYOUT
.005
(0.127)
RAD MIN
.291 – .299
(7.391 – 7.595)
NOTE 4
.010
(0.254
–
–
.029
0.737)
×
45°
123 45678 9
.093 – .104
(2.362 – 2.642)
.037 – .045
(0.940 – 1.143)
0° – 8° TYP
.050
.009 – .013
(0.229 – 0.330)
NOTE 3
.016 – .050
(0.406 – 1.270)
NOTE:
1. DIMENSIONS
IN
INCHES
(MILLIMETERS)
(1.270)
BSC
.014 – .019
(0.356 – 0.482)
TYP
2. DRAWING NOT TO SCALE
3. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
4. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
.004 – .012
(0.102 – 0.305)
S18 (WIDE) 0502
1040fa
LW/TP 1202 1K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1991
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