LTC2430CGN

更新时间： 2024-09-25 00:01:07

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
41页	452K
描述
20-Bit No Latency Delta-Sigma ADCs with Differential Input and Differential Reference

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LTC2430CGN 数据手册

LTC2430/LTC2431

20-Bit No Latency ∆Σ^TMADCs

with Differential Input and

Differential Reference

FEATURES

DESCRIPTIO

■

Low Supply Current (200µA in Conversion Mode

The LTC^®2430/LTC2431 are 2.7V to 5.5V micropower

20-bit differential ∆Σ analog-to-digital converters with an

integrated oscillator, 3ppm INL and 0.56ppm RMS noise.

Theyusedelta-sigmatechnologyandprovidesinglecycle

settling time for multiplexed applications. Through a

single pin, the LTC2430/LTC2431 can be configured for

better than 110dB differential mode rejection at 50Hz or

60Hz ±2%, or they can be driven by an external oscillator

for a user-defined rejection frequency. The internal oscil-

lator requires no external frequency setting components.

and 4µA in Autosleep Mode)

■

Differential Input and Differential Reference

with GND to V_CCCommon Mode Range

■

3ppm INL, No Missing Codes

■

10ppm Full-Scale Error and 1ppm Offset

■

0.56ppm Noise, 20.8 ENOBs

■

No Latency: Digital Filter Settles in a Single Cycle.

Each Conversion Is Accurate, Even After an

Input Step

■

Single Supply 2.7V to 5.5V Operation

The converters accept any external differential reference

voltage from 0.1V to V_CCfor flexible ratiometric and

remote sensing measurement configurations. The full-

■

Internal Oscillator—No External Components

Required

110dB Min, 50Hz/60Hz Notch Filter

■

scale differential input range is from –0.5V_REFto 0.5V_REF

■

Pin Compatible with 24-Bit LTC2410/LTC2411

The reference common mode voltage, V_REFCM, and the

input common mode voltage, V_INCM, may be indepen-

dently set anywhere within GND to V_CC. The DC common

mode input rejection is better than 120dB.

APPLICATIO S

■

Direct Sensor Digitizer

■

Weight Scales

The LTC2430/LTC2431 communicate through a flexible

3-wire digital interface that is compatible with SPI and

MICROWIRE^TMprotocols.

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

No Latency ∆Σ is a trademark of Linear Technology Corporation.

MICROWIRE is a trademark of National Semiconductor Corporation.

■

Direct Temperature Measurement

Gas Analyzers

Strain Gauge Transducers

Instrumentation

Data Acquisition

Industrial Process Control

DVMs and Meters

■

TYPICAL APPLICATIO S

Total Unadjusted Error

(V_CC= 5V, V_REF= 5V)

+ 0.25V) TO 20V

OUT

= 5V

OUT

LT1790

3V TO 5V

= 5V

REF

INCM

= V

= 2.5V

INCM

0.1µF

= GND

4.7µF

25°C 85°C

= INTERNAL OSC/50Hz REJECTION

= EXTERNAL CLOCK SOURCE

= INTERNAL OSC/60Hz REJECTION

0.1µF

LTC2431

–1

–2

–3

–4

–5

REF

–45°C

SCK

–

REF

3-WIRE

SPI INTERFACE

ANALOG INPUT RANGE

SDO

–0.5V

TO 0.5V

REF

–

–2.5 –2 –1.5 –1 –0.5

0.5

1.5

2.5

GND

24301 TA01

INPUT VOLTAGE (V)

24301 G01

24301f

12 3 4 5 6 7...41

中文翻译

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与LTC2430CGN相关器件

型号	品牌	获取价格	描述	数据表
LTC2430CGN#PBF	Linear	获取价格	LTC2430 - 20-Bit No Latency Delta Sigma ADCs with Differential Input and Differential Refe
LTC2430CGN#TRPBF	Linear	获取价格	暂无描述
LTC2430IGN	Linear	获取价格	20-Bit No Latency Delta-Sigma ADCs with Differential Input and Differential Reference
LTC2430IGN#TR	Linear	获取价格	LTC2430 - 20-Bit No Latency Delta Sigma ADCs with Differential Input and Differential Refe
LTC2430IGN#TRPBF	Linear	获取价格	LTC2430 - 20-Bit No Latency Delta Sigma ADCs with Differential Input and Differential Refe
LTC2431	Linear	获取价格	20-Bit No Latency Delta-Sigma ADCs with Differential Input and Differential Reference
LTC2431	ADI	获取价格	具差分输入和差分基准的 20 位、No Latency ?Σ? ADC
LTC2431_15	Linear	获取价格	20-Bit No Latency ADCs with Differential Input and Differential Reference
LTC2431CMS	Linear	获取价格	20-Bit No Latency Delta-Sigma ADCs with Differential Input and Differential Reference
LTC2431CMS#PBF	Linear	获取价格	LTC2431 - 20-Bit No Latency Delta Sigma ADCs with Differential Input and Differential Refe

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