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LTC1851 PDF预览

LTC1851

更新时间: 2024-11-17 22:55:51
品牌 Logo 应用领域
凌特 - Linear 转换器模数转换器
页数 文件大小 规格书
16页 315K
描述
12-/16-Bit, 8-Channel 200ksps ADCs

LTC1851 数据手册

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LTC1863/LTC1867  
12-/16-Bit, 8-Channel  
200ksps ADCs  
U
FEATURES  
DESCRIPTIO  
The LTC®1863/LTC1867 are pin-compatible, 8-channel  
12-/16-bit A/D converters with serial I/O, and an internal  
reference. The ADCs typically draw only 1.3mA from a  
single 5V supply.  
Sample Rate: 200ksps  
16-Bit No Missing Codes and ±2LSB Max INL  
8-Channel Multiplexer with:  
Single Ended or Differential Inputs and  
Unipolar or Bipolar Conversion Modes  
The 8-channel input multiplexer can be configured for  
either single-ended or differential inputs and unipolar  
or bipolar conversions (or combinations thereof). The  
automatic nap and sleep modes benefit power sensitive  
applications.  
SPI/MICROWIRETM Serial I/O  
Signal-to-Noise Ratio: 89dB  
Single 5V Operation  
On-Chip or External Reference  
Low Power: 1.3mA at 200ksps, 0.76mA at 100ksps  
The LTC1867’s DC performance is outstanding with a  
±2LSB INL specification and no missing codes over tem-  
perature. The signal-to-noise ratio (SNR) for the LTC1867  
is typically 89dB, with the internal reference.  
Sleep Mode  
Automatic Nap Mode Between Conversions  
16-Pin Narrow SSOP Package  
U
APPLICATIO S  
Housed in a compact, narrow 16-pin SSOP package, the  
LTC1863/LTC1867 can be used in space-sensitive as well  
as low-power applications.  
Industrial Process Control  
High Speed Data Acquisition  
Battery Operated Systems  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
MICROWIRE is a trademark of National Semiconductor Corp.  
Multiplexed Data Acquisition Systems  
Imaging Systems  
W
BLOCK DIAGRA  
Integral Nonlinearity vs Output Code  
(LTC1867)  
2.0  
1.5  
1.0  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
LTC1863/LTC1867  
V
GND  
SDI  
SDO  
SCK  
CS/CONV  
CH0  
CH1  
CH2  
CH3  
CH4  
DD  
12-/16-BIT  
200ksps  
ADC  
ANALOG  
INPUT  
MUX  
+
SERIAL  
PORT  
0.5  
0
CH5  
CH6  
V
REF  
INTERNAL  
2.5V REF  
– 0.5  
– 1.0  
– 1.5  
– 2.0  
CH7/COM  
9
REFCOMP  
18637 BD  
0
16384  
32768  
49152  
65536  
OUTPUT CODE  
18637 GO1  
18637f  
1

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