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LTC1863L PDF预览

LTC1863L

更新时间: 2024-10-01 05:43:39
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 234K
描述
Micropower, 3V, 12-/16-Bit, 8-Channel 175ksps ADCs

LTC1863L 数据手册

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LTC1863L/LTC1867L  
Micropower, 3V,  
12-/16-Bit, 8-Channel  
175ksps ADCs  
U
FEATURES  
DESCRIPTIO  
The LTC®1863L/LTC1867L are pin compatible, 8-channel  
12-/16-bit A/D converters with serial I/O and an internal  
reference.  
Sample Rate: 175ksps  
16-Bit No Missing Codes and ±3LSB 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 ADCs  
convert 0V to 2.5V unipolar inputs or ±1.25V bipolar  
inputs. The ADCs typically draw only 750µA from a single  
2.7V supply. The automatic nap and sleep modes benefit  
power sensitive applications.  
SPI/MICROWIRETM Serial I/O  
2.7V Guaranteed Supply Voltage  
Pin Compatible with LTC1863/LTC1867  
True Differential Inputs  
On-Chip or External Reference  
Low Power: 750µA at 175ksps, 300µA at 50ksps  
The LTC1867L’s DC performance is outstanding with a  
±3LSBINLspecificationand16-bitnomissingcodesover  
temperature.  
Sleep Mode  
Automatic Nap Mode Between Conversions  
16-Pin Narrow SUSOP Package  
Housed in a compact, narrow 16-pin SSOP package, the  
LTC1863L/LTC1867L can be used in space-sensitive as  
well as low power applications.  
APPLICATIO S  
Industrial Process Control  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
High Speed Data Acquisition  
Battery Operated Systems  
Multiplexed Data Acquisition Systems  
Imaging Systems  
W
BLOCK DIAGRA  
Integral Nonlinearity vs Output Code  
(LTC1867L)  
LTC1863L/LTC1867L  
1
2
3
4
5
6
7
8
CH0  
CH1  
16  
15  
14  
13  
12  
11  
10  
2.0  
V
DD  
V
f
= 2.7V  
SAMPLE  
DD  
= 175ksps  
GND  
1.5  
1.0  
CH2  
SDI  
ANALOG  
INPUT  
MUX  
CH3  
12-/16-BIT  
175ksps  
ADC  
+
SDO  
SERIAL  
PORT  
0.5  
CH4  
SCK  
CH5  
0
CS/CONV  
CH6  
V
REF  
–0.5  
–1.0  
–1.5  
–2.0  
CH7/COM  
INTERNAL  
1.25V REF  
9
REFCOMP  
32768  
0
16384  
49152  
65536  
1863L7L BD  
OUTPUT CODE  
1863L7L G01  
1863L7Lf  
1

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