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LTC1291CCN8#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
19
LTC1291
1291fa
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However,
no responsibility is assumed for its use. Linear Technology Corporation makes no representation that
the interconnection of its circuits as described herein will not infringe on existing patent rights.
U
S
A
O
PP
L
IC
AT
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I FOR ATIO
data is output MSB-first. CS is driven at 1/64, the clock
frequency by the 74HC393 and D
OUT
outputs the data.
The output data from the D
OUT
pin can be viewed on a
oscilloscope that is set up to trigger on the falling edge
of CS (Figure 17).
A “Quick Look” Circuit for the LTC1291
Users can get a quick look at the function and timing of
the LTC1291 by using the following simple circuit
(Figure 16). D
IN
is tied to V
CC
. This requires V
IN
be
applied to CH1 with respect to the ground plane. The
Figure 16. “Quick Look” Circuit for the LTC1291
A1
CLR1
1QA
1QB
1QC
1QD
GND
V
CC
A2
CLR2
2QA
2QB
2QC
2QD
74HC393
0.1µF
V
IN
TO OSCILLOSCOPE
0.1µF
5V
22µF TANTALUM
f
f/64
CLOCK IN 1MHz
LTC1291 F16
V
CC
(V
REF
)
CLK
D
OUT
D
IN
LTC1291
CS
CH0
CH1
GND
+
CLK
CS
D
OUT
NULL
BIT
MSB
(B11)
LSB
(B0)
FILLS WITH
ZEROES
VERTICAL: 5V/DIV
HORIZONTAL: 5µs/DIV
Figure 17. Scope Trace of the LTC1291 "Quick Look"
Circuit Showing Output 101010101010 (AAA
HEX
)
20
LTC1291
1291fa
N8 Package
8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
J8 Package
8-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference LTC DWG # 05-08-1110)
LT/TP 0703 1K REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
PACKAGE DESCRIPTIO
U
LINEAR TECHNOLOGY CORPORATION 1992
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1298 12-bit, 2-Channel, Micropower ADC in SO-8 11.1ksps, Autoshutdown
LTC1861 12-bit, 2-Channel, 250ksps ADC in MSOP 850µA Supply Current, 2µA at 1ksps
LTC1865 16-bit, 2-Channel, 250ksps ADC in MSOP 850µA Supply Current, 2µA at 1ksps
J8 0801
.014 – .026
(0.360 – 0.660)
.200
(5.080)
MAX
.015 – .060
(0.381 – 1.524)
.125
3.175
MIN
.100
(2.54)
BSC
.300 BSC
(7.62 BSC)
.008 – .018
(0.203 – 0.457)
0° – 15°
.005
(0.127)
MIN
.405
(10.287)
MAX
.220 – .310
(5.588 – 7.874)
12
3
4
87
65
.025
(0.635)
RAD TYP
.045 – .068
(1.143 – 1.650)
FULL LEAD
OPTION
.023 – .045
(0.584 – 1.143)
HALF LEAD
OPTION
CORNER LEADS OPTION
(4 PLCS)
.045 – .065
(1.143 – 1.651)
NOTE: LEAD DIMENSIONS APPLY TO
SOLDER DIP/PLATE OR TIN PLATE LEADS
OBSOLETE PACKAGE
N8 1002
.065
(1.651)
TYP
.045 – .065
(1.143 – 1.651)
.130 ± .005
(3.302 ± 0.127)
.020
(0.508)
MIN
.018 ± .003
(0.457 ± 0.076)
.120
(3.048)
MIN
12
3
4
876
5
.255 ± .015*
(6.477 ± 0.381)
.400*
(10.160)
MAX
.008 – .015
(0.203 – 0.381)
.300 – .325
(7.620 – 8.255)
.325
+.035
–.015
+0.889
–0.381
8.255
()
NOTE:
1. DIMENSIONS ARE
INCHES
MILLIMETERS
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
.100
(2.54)
BSC
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LTC1291CCN8#PBF

Mfr. #:
Buy LTC1291CCN8#PBF
Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC 12-Bit Serial I/O 2/Ch Input ADC
Lifecycle:
New from this manufacturer.
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