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參數(shù)資料
| 型號： | LTC1283AC |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 3V Single Chip 10-Bit Data Acquisition System |
| 中文描述： | 3V的單芯片10位數(shù)據(jù)采集系統(tǒng) |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 452K |
| 代理商： | LTC1283AC |
1
LTC1283
3V Single Chip 10-Bit Data
Acquisition System
D
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’s 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
±
0.5LSB. The LTC1283A has
a gain error limit of
±
1LSB. The 1283 is specified with a
gain error limit of
±
2LSB for applications where gain is
adjustable or less critcial.
U
ESCRIPTIO
S
FEATURE
I
Single Supply 3.3V or
±
3.3V Operation
I
Software Programmable Features:
Unipolar/Bipolar Conversions
4 Differential/8 Single-Ended Inputs
MSB- or LSB-First Data Sequence
Variable Data Word Length
I
Built-In Sample-and-Hold
I
Direct 4-Wire Interface to Most MPU Serial Ports
and all MPU Parallel Ports
I
15kHz Maximum Throughput Rate
U
A
O
PPLICATI
4.7
μ
F
TYPICAL
Linearity Plot
KEY SPECIFICATIO S
I
Minimum Guaranteed Supply Voltage: 3V
I
Resolution: 10 Bits
I
Offset Error:
±
0.5LSB Max
I
Linearity Error:
±
0.5LSB Max
I
Gain Error (LTC1283A):
±
1LSB Max
I
Conversion Time: 44
μ
s
I
Supply Current: 350
μ
A Max, 150
μ
A Typ
OUTPUT CODE
0
E
0
0.5
1024
LTC1283 TA02
–0.5
–1.0
512
1.0
LTCMOS is a trademark of Linear Technology Corp.
DIFFERENTIAL
INPUT
LTC1283
3V
BIPOLAR
INPUT
–3V
3V
T
–3V
UNIPOLAR
INPUTS
(+)
(–)
–UNIPOLAR
INPUT
MPU
(e.g., 83CL410)
P1.1
P1.2
P1.3
P1.4
SERIAL DATA LINK
FOR 83CL410 CODE SEE
APPLICATIONS INFORMATION SECTION
LTC1283 TA01
D
OUT
D
IN
SCLK
CS
3V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1283ACN | 3V Single Chip 10-Bit Data Acquisition System |
| LTC1283ACS | 3V Single Chip 10-Bit Data Acquisition System |
| LTC1283C | 3V Single Chip 10-Bit Data Acquisition System |
| LTC1283CN | 3V Single Chip 10-Bit Data Acquisition System |
| LTC1283CS | 3V Single Chip 10-Bit Data Acquisition System |
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