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LTC1283ACN Datasheet

  • LTC1283ACN

  • 3V Single Chip 10-Bit Data Acquisition System

  • 24頁

  • LINER

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LTC1283
3V Single Chip 10-Bit Data
Acquisition System
FEATURES
s
s
DESCRIPTIO
s
s
s
Single Supply 3.3V or
鹵3.3V
Operation
Software Programmable Features:
Unipolar/Bipolar Conversions
4 Differential/8 Single-Ended Inputs
MSB- or LSB-First Data Sequence
Variable Data Word Length
Built-In Sample-and-Hold
Direct 4-Wire Interface to Most MPU Serial Ports
and all MPU Parallel Ports
15kHz Maximum Throughput Rate
The LTC1283 is a 3V data acquisition component which
contains a serial I/O successive approximation A/D con-
verter. It uses LTCMOS
TM
switched capacitor technology
to perform either 10-bit unipolar, or 9-bit plus sign bipolar
A/D conversions. The 8-channel input multiplexer can be
configured for either single-ended or differential inputs (or
combinations thereof). An on-chip sample-and-hold is
included for all single-ended input channels.
The serial I/O is designed to be compatible with industry-
standard full-duplex serial interfaces. It allows either MSB-
or LSB-first data and automatically provides 2鈥檚 comple-
ment output coding in the bipolar mode. The output data
word can be programmed for a length of 8-, 10-, 12-, or
16-bit. This allows easy interface to shift registers and a
variety of processors.
Both the LTC1283A and LTC1283 are specified with offset
and linearity errors less than
鹵0.5LSB.
The LTC1283A has
a gain error limit of
鹵1LSB.
The 1283 is specified with a
gain error limit of
鹵2LSB
for applications where gain is
adjustable or less critcial.
LTCMOS is a trademark of Linear Technology Corp.
KEY SPECIFICATIO S
s
s
s
s
s
s
s
Minimum Guaranteed Supply Voltage: 3V
Resolution: 10 Bits
Offset Error:
鹵0.5LSB
Max
Linearity Error:
鹵0.5LSB
Max
Gain Error (LTC1283A):
鹵1LSB
Max
Conversion Time: 44碌s
Supply Current: 350碌A(chǔ) Max, 150碌A(chǔ) Typ
TYPICAL APPLICATI
4.7碌F
3V
LTC1283
DIFFERENTIAL
INPUT
3V
BIPOLAR
INPUT
鈥?V
3V
D
OUT
D
IN
SCLK
T
UNIPOLAR
INPUTS
CS
FOR 83CL410 CODE SEE
APPLICATIONS INFORMATION SECTION
MPU
(e.g., 83CL410)
1.0
0.5
ERROR (LSBs)
0
P1.1
P1.2
P1.3
P1.4
SERIAL DATA LINK
鈥?.5
鈥?1.0
0
(+)
(鈥?
鈥揢NIPOLAR
INPUT
LTC1283 鈥?TA01
鈥?V
U
Linearity Plot
512
OUTPUT CODE
LTC1283 鈥?TA02
UO
U
1024
1

LTC1283ACN 產(chǎn)品屬性

  • LTC1283

  • 18

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - ADCs/DAC - 專用型

  • -

  • 數(shù)據(jù)采集系統(tǒng)（DAS）

  • 10 b

  • 15k

  • 串行，并聯(lián)

  • 雙 ±

  • ±3.3V，3 V ~ 3.6 V

  • 0°C ~ 70°C

  • 通孔

  • 20-DIP（0.300"，7.62mm）

  • 20-PDIP

  • 管件

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