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零件编号 | SMP08 | ||
描述 | Octal Sample-and-Hold with Multiplexed Input | ||
制造商 | Analog Devices | ||
LOGO | |||
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Octal Sample-and-Hold
with Multiplexed Input
SMP08*
FEATURES
Internal Hold Capacitors
Low Droop Rate
TTL/CMOS Compatible Logic Inputs
Single or Dual Supply Operation
Break-Before-Make Channel Addressing
Compatible With CD4051 Pinout
Low Cost
APPLICATIONS
Multiple Path Timing Deskew for ATE
Memory Programmers
Mass Flow/Process Control Systems
Multichannel Data Acquisition Systems
Robotics and Control Systems
Medical and Analytical Instrumentation
Event Analysis
Stage Lighting Control
FUNCTIONAL BLOCK DIAGRAM
(LSB)
INPUT A
(MSB)
B C INH
3 11 10 9
6
1 OF 8 DECODER
SW
8 DGND
16 VDD
13 CH0OUT
SW 14 CH1OUT
SW 15 CH2OUT
SW 12 CH3OUT
SW 1 CH4OUT
SW 5 CH5OUT
GENERAL DESCRIPTION
The SMP08 is a monolithic octal sample-and-hold; it has eight
internal buffer amplifiers, input multiplexer, and internal hold
capacitors. It is manufactured in an advanced oxide isolated
CMOS technology to obtain high accuracy, low droop rate, and
fast acquisition time. The SMP08 has a typical linearity error of
only 0.01% and can accurately acquire a 10-bit input signal to
± 1/2 LSB in less than 7 microseconds. The SMP08’s output
swing includes the negative supply in both single and dual sup-
ply operation.
The SMP08 was specifically designed for systems that use a
calibration cycle to adjust a multiple of system parameters. The
low cost and high level of integration make the SMP08 ideal for
calibration requirements that have previously required an
ASIC, or high cost multiple D/A converters.
SW
SW
HOLD CAPS
(INTERNAL)
SMP08
2 CH6OUT
4 CH7OUT
7 VSS
The SMP08 is also ideally suited for a wide variety of sample-
and-hold applications including amplifier offset or VCA gain
adjustments. One or more SMP08s can be used with single or
multiple DACs to provide multiple set points within a system.
The SMP08 offers significant cost and size reduction over dis-
crete designs. It is available in a 16-pin plastic DIP, or surface-
mount SOIC package.
*Protected by U.S. Patent No. 4,739,281.
REV. D
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
© Analog Devices, Inc., 1996
SMP08
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
16-Lead Plastic DIP
(N-16)
0.840 (21.33)
0.745 (18.93)
16 9 0.280 (7.11)
1 8 0.240 (6.10)
PIN 1
0.210 (5.33)
MAX
0.160 (4.06)
0.115 (2.93)
0.022 (0.558)
0.014 (0.356)
0.100
(2.54)
BSC
0.060 (1.52)
0.015 (0.38)
0.130
(3.30)
MIN
0.070 (1.77) SEATING
0.045 (1.15) PLANE
0.325 (8.25)
0.300 (7.62) 0.195 (4.95)
0.115 (2.93)
0.015 (0.381)
0.008 (0.204)
16-Lead SOIC (Narrow Body)
(SO-16)
0.3937 (10.00)
0.3859 (9.80)
0.1574 (4.00) 16
0.1497 (5.80) 1
9
0.2550 (6.20)
8 0.2284 (5.80)
0.0098 (0.25)
0.0040 (0.10)
PIN 1
0.0688 (1.75)
0.0532 (1.35)
0.0196 (0.50)
0.0099 (0.25) x 45°
SEATING
PLANE
0.0500
(1.27)
BSC
0.0192 (0.49)
0.0138 (0.35)
8°
0.0099 (0.25) 0° 0.0500 (1.27)
0.0075 (0.19) 0.0160 (0.41)
–8– REV. D
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页数 | 8 页 | ||
下载 | [ SMP08.PDF 数据手册 ] |
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