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LTC1418ACN PDF预览

LTC1418ACN

更新时间： 2024-11-25 22:57:35
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
28页 715K
描述
Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O

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中文翻译

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LTC1418ACN 数据手册

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LTC1418  
Low Power, 14-Bit, 200ksps  
ADC with Serial and Parallel I/O  
U
FEATURES  
DESCRIPTION  
The LTC®1418 is a low power, 200ksps, 14-bit A/D  
converter. Data output is selectable for 14-bit parallel or  
serial format. This versatile device can operate from a  
single 5V or ±5V supply. An onboard high performance  
sample-and-hold, a precision reference and internal tim-  
ing minimize external circuitry requirements. The low  
15mW power dissipation is made even more attractive  
with two user selectable power shutdown modes.  
■
Single Supply 5V or ±5V Operation  
■
Sample Rate: 200ksps  
■
±1.25LSB INL and ±1LSB DNL Max  
■
Power Dissipation: 15mW (Typ)  
■
Parallel or Serial Data Output  
■
No Missing Codes Over Temperature  
■
Power Shutdown: Nap and Sleep  
■
External or Internal Reference  
■
Differential High Impedance Analog Input  
The LTC1418 converts 0V to 4.096V unipolar inputs from  
a single 5V supply and ±2.048V bipolar inputs from ±5V  
supplies. DC specs include ±1.25LSB INL, ±1LSB DNL  
and no missing codes over temperature. Outstanding AC  
performanceincludes82dBS/(N+D)and94dBTHDatthe  
Nyquist input frequency of 100kHz.  
■
Input Range: 0V to 4.096V or ±2.048V  
■
81.5dB S/(N + D) and –94dB THD at Nyquist  
■
28-Pin Narrow PDIP and SSOP Packages  
U
APPLICATIONS  
■
The flexible output format allows either parallel or serial I/O.  
The SPI/MICROWIRETM compatible serial I/O port can oper-  
ate as either master or slave and can support clock frequen-  
cies from DC to 10MHz. A separate convert start input and  
a data ready signal (BUSY) allow easy control of conversion  
start and data transfer.  
Remote Data Acquisition  
Battery Operated Systems  
Digital Signal Processing  
Isolated Data Acquisition Systems  
Audio and Telecom Processing  
Medical Instrumentation  
■
■
■
■
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
MICROWIRE is a trademark of National Semiconductor Corporation.  
U
TYPICAL APPLICATION  
Low Power, 200kHz, 14-Bit Sampling A/D Converter  
5V  
10µF  
Typical INL Curve  
V
DD  
1.0  
SER/PAR  
LTC1418  
S/H  
D13  
+
A
IN  
0.5  
D5  
14  
14-BIT ADC  
SELECTABLE  
SERIAL/  
PARALLEL  
PORT  
–
A
IN  
D4 (EXTCLKIN)  
D3 (SCLK)  
D2 (CLKOUT)  
D1 (D  
0
4.096V  
BUFFER  
)
OUT  
REFCOMP  
D0 (EXT/INT)  
10µF  
–0.5  
BUSY  
CS  
8k  
TIMING AND  
LOGIC  
2.5V  
REFERENCE  
V
RD  
REF  
CONVST  
SHDN  
–1.0  
1µF  
0
4096  
8192  
12288  
16384  
OUTPUT CODE  
AGND  
V
DGND  
SS  
(0V OR –5V)  
1418 TA02  
1418 TA01  
1
1234567...28

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LTC1418ACN 替代型号

型号 品牌 替代类型 描述 数据表
LTC1418ACN#PBF Linear

完全替代

 LTC1418 - Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O; Package: PDIP; Pins
LTC1418AIG#PBF Linear

完全替代

 LTC1418 - Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O; Package: SSOP; Pins
LTC1418ACG#PBF Linear

完全替代

 暂无描述

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