Datasheet > LTC2381IMS-16PBF

LTC2381IMS-16PBF

更新时间： 2024-11-11 05:43:43

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
24页	1106K
描述
16-Bit, 250ksps, Low Power SAR ADC with Serial Interface

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LTC2381IMS-16PBF 数据手册

LTC2381-16

16-Bit, 250ksps, Low Power

SAR ADC with Serial Interface

FEATURES

DESCRIPTION

The LTC^®2381-16 is a low noise, low power, high speed

16-bit successive approximation register (SAR) ADC.

Operating from a 2.5V supply, the LTC2381-16 has a

2.5V fully differential input range. The LTC2381-16

consumes only 3.25mW and achieves 2LSꢀ ꢁIL max,

no missing codes at 16-bits and 92dꢀ SIR.

250ksps Throughput Rate

2ꢀSꢁ INꢀ ꢂ(aꢃx

Guaranteed 16-ꢁit No (issing Codes

ꢀow Power: 3.25mW at 250ksps, 13μW at 1ksps

92dꢁ SNR ꢂtypx at f = 20kHz

Eꢃtended Acquisition Time of 3.25μs Allows Use of

ꢀower Power Drivers

The LTC2381-16 has a high speed SPꢁ-compatible serial

interface that supports 1.8V, 2.5V, 3.3V and 5V logic

while also featuring a daisychain mode. The fast 250ksps

throughput with no cycle latency makes the LTC2381-16

ideally suited for a wide variety of high speed applica-

tions. An internal oscillator sets the conversion time,

easing external timing considerations. The LTC2381-16

automatically powers down between conversions, lead-

ing to reduced power dissipation that scales with the

sampling rate.

Guaranteed Operation to 125°C

2.5V Supply

Fully Differential ꢁnput Range 2.5V

External 2.5V Reference ꢁnput

Io Pipeline Delay, Io Cycle Latency

1.8V to 5V ꢁ/O Voltages

SPꢁ-Compatible Serial ꢁ/O with Daisy-Chain Mode

ꢁnternal Conversion Clock

16-pin MSOP and 4mm × 3mm DFI Packages

APPLICATIONS

The LTC2381-16 features a proprietary sampling

architecture that enables the ADC to begin acquiring the

next sample during the current conversion. The resulting

extended acquisition time of 3.25μs allows the use of

extremely low power ADC drivers.

Medical ꢁmaging

High Speed Data Acquisition

Portable or Compact ꢁnstrumentation

ꢁndustrial Process Control

Low Power ꢀattery-Operated ꢁnstrumentation

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

ATE

TYPICAL APPLICATION

32k Point FFT f_S= 250ksps, f_IN= 20kHz

2.5V 1.8V TO 5V

SIR = 91.8dꢀ

–20

–40

THD = –106dꢀ

SꢁIAD = 91.6dꢀ

SFDR = 107dꢀ

10μF

0.1μF

AIALOG ꢁIPUT

0V TO 2.5V

–60

50Ω

100Ω

3300pF

100Ω

CHAꢁI

RDL/SDꢁ

SDO

SCK

ꢀUSY

CIV

–

ꢁI

–80

LT6350

LTC2381-16

–100

–120

–140

–160

–180

ꢁI

SAMPLE CLOCK

REF

GID

238116 TA01

2.5V

SꢁIGLE-EIDED-

TO-DꢁFFEREITꢁAL

DRꢁVER

47μF

(X5R, 0805 SꢁZE)

100

125

FREQUEICY (kHz)

238116 TA02a

238116f

12 3 4 5 6 7...24

中文翻译

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与LTC2381IMS-16PBF相关器件

型号	品牌	获取价格	描述	数据表
LTC2382-16	Linear	获取价格	Precision, Low Power Rail-to-Rail Input/Output
LTC2382-16	ADI	获取价格	具串行接口的 16 位、500ksps、低功率 SAR ADC
LTC2382CDE-16#PBF	Linear	获取价格	LTC2382-16 - 16-Bit, 500ksps, Low Power SAR ADC with Serial Interface; Package: DFN; Pins:
LTC2382CDE-16#TRPBF	Linear	获取价格	LTC2382-16 - 16-Bit, 500ksps, Low Power SAR ADC with Serial Interface; Package: DFN; Pins:
LTC2382CDE-16PBF	Linear	获取价格	16-Bit, 500ksps, Low Power SAR ADC with Serial Interface
LTC2382CMS-16#PBF	Linear	获取价格	LTC2382-16 - 16-Bit, 500ksps, Low Power SAR ADC with Serial Interface; Package: MSOP; Pins
LTC2382CMS-16#TRPBF	Linear	获取价格	LTC2382-16 - 16-Bit, 500ksps, Low Power SAR ADC with Serial Interface; Package: MSOP; Pins
LTC2382CMS-16PBF	Linear	获取价格	16-Bit, 500ksps, Low Power SAR ADC with Serial Interface
LTC2382HMS-16#PBF	Linear	获取价格	LTC2382-16 - 16-Bit, 500ksps, Low Power SAR ADC with Serial Interface; Package: MSOP; Pins
LTC2382HMS-16PBF	Linear	获取价格	16-Bit, 500ksps, Low Power SAR ADC with Serial Interface

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