LTC1418IG Datasheet

IC型號：
LTC1418IG
PDF描述：
Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O
文件大?。?/label>
715.12KB
PDF頁數(shù)：
28頁
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LTC1418

Low Power, 14-Bit, 200ksps

ADC with Serial and Parallel I/O

FEATURES

DESCRIPTION

The LTC

廬

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

鹵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.

The LTC1418 converts 0V to 4.096V unipolar inputs from

a single 5V supply and

鹵2.048V

bipolar inputs from

鹵5V

supplies. DC specs include

鹵1.25LSB

INL,

鹵1LSB

DNL

and no missing codes over temperature. Outstanding AC

performance includes 82dB S/(N + D) and 94dB THD at the

Nyquist input frequency of 100kHz.

The flexible output format allows either parallel or serial I/O.

The SPI/MICROWIRE

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.

, LTC and LT are registered trademarks of Linear Technology Corporation.

MICROWIRE is a trademark of National Semiconductor Corporation.

Single Supply 5V or

鹵5V

Operation

Sample Rate: 200ksps

鹵1.25LSB

INL and

鹵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

Input Range: 0V to 4.096V or

鹵2.048V

81.5dB S/(N + D) and 鈥?94dB THD at Nyquist

28-Pin Narrow PDIP and SSOP Packages

APPLICATIONS

Remote Data Acquisition

Battery Operated Systems

Digital Signal Processing

Isolated Data Acquisition Systems

Audio and Telecom Processing

Medical Instrumentation

TYPICAL APPLICATION

Low Power, 200kHz, 14-Bit Sampling A/D Converter

10碌F

LTC1418

IN+

S/H

鈥?/div>

SER/PAR

D13

14-BIT ADC

SELECTABLE

SERIAL/

PARALLEL

PORT

D4 (EXTCLKIN)

D3 (SCLK)

D2 (CLKOUT)

D1 (D

OUT

)

D0 (EXT/INT)

BUSY

CONVST

SHDN

1.0

0.5

INL (LSBs)

4.096V

REFCOMP

10碌F

BUFFER

鈥?.5

REF

1碌F

AGND

(0V OR 鈥?5V)

DGND

1418 TA02

1418 TA01

2.5V

REFERENCE

TIMING AND

LOGIC

鈥?.0

4096

8192

OUTPUT CODE

12288

16384

Typical INL Curve

數(shù)據(jù)列表
LTC1418
標(biāo)準(zhǔn)包裝
47
類別
集成電路 (IC)
家庭
數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器
系列
-
位數(shù)
14
采樣率（每秒）
200k
數(shù)據(jù)接口
串行，并聯(lián)
轉(zhuǎn)換器數(shù)目
1
功率耗散（最大）
21.5mW 單極；31.5mW 雙極
電壓電源
雙 ±
工作溫度
-40°C ~ 85°C
安裝類型
表面貼裝
封裝/外殼
28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝
28-SSOP
包裝
管件
輸入數(shù)目和類型
2 個(gè)單端，單極；2 個(gè)單端，雙極；1 個(gè)差分，單極；1 個(gè)差分，雙極
配用
DC178A-ND - BOARD SAR ADC LTC1418

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