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参数资料
| 型号： | LTC1283CN#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | ADC |
| 英文描述： | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20 |
| 封装： | LEAD FREE, PLASTIC, DIP-20 |
| 文件页数： | 1/24页 |
| 文件大小： | 338K |
| 代理商： | LTC1283CN#TRPBF |
1
LTC1283
1283fb
3V Single Chip 10-Bit Data
Acquisition System
D
U
ESCRIPTIO
S
FEATURE
■
Single Supply 3.3V or
±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
U
A
O
PPLICATI
TYPICAL
Linearity Plot
KEY SPECIFICATIO S
U
■ Minimum Guaranteed Supply Voltage: 3V
■ Resolution: 10 Bits
■
Offset Error:
±0.5LSB Max
■ Linearity Error:
±0.5LSB Max
■ Gain Error (LTC1283A):
±1LSB Max
■ Conversion Time: 44
μs
■ Supply Current: 350
μA Max, 150μA Typ
OUTPUT CODE
0
ERROR
(LSBs)
0
0.5
1024
LTC1283 TA02
–0.5
– 1.0
512
1.0
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.
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
DOUT
DIN
SCLK
CS
4.7
μF
3V
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
LTCMOS is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
相关PDF资料 |
PDF描述 |
|---|---|
| LTC1283CN#TR | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20 |
| LTC1283CS#PBF | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| LTC1283ACS#PBF | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| LTC1285S8#TR | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
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