ltc2413cgn-trpbf Linear Technology Corporation, ltc2413cgn-trpbf Datasheet

ltc2413cgn-trpbf

Manufacturer Part Number

ltc2413cgn-trpbf

Description

24-bit No Latency Delta Sigma Adc With Simultaneous 50hz/60hz Rejection Adc,

Manufacturer

Linear Technology Corporation

Datasheet

1.LTC2413CGN-TRPBF.pdf (44 pages)

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APPLICATIO S

FEATURES

TYPICAL APPLICATIO

ANALOG INPUT RANGE

–0.5V

Simultaneous 50Hz/60Hz Rejection

(87dB Minimum)

Differential Input and Differential Reference with

GND to V

2ppm INL and No Missing Codes at 24 Bits

0.1ppm Offset and 2.5ppm Full-Scale Error

0.16ppm Noise

No Latency: Digital Filter Settles in a Single Cycle.

Internal Oscillator—No External Components

Required

24-Bit ADC in Narrow SSOP-16 Package

(SO-8 Footprint)

Single Supply 2.7V to 5.5V Operation

Low Supply Current (200 A) and Auto Shutdown

Pin Compatible with LTC2410

Direct Sensor Digitizer

Weight Scales

Direct Temperature Measurement

Gas Analyzers

Strain-Gauge Transducers

Instrumentation

Data Acquisition

Industrial Process Control

6-Digit DVMs

Products for International Markets

REF

1, 7, 8, 9, 10, 15, 16

0.1V TO V

REFERENCE

TO 0.5V

VOLTAGE

1 F

2.7V TO 5.5V

REF

Common Mode Range

REF

GND

–

LTC2413

–

SDO

SCK

3-WIRE

SPI INTERFACE

with Simultaneous 50Hz/60Hz Rejection

= EXTERNAL CLOCK SOURCE

= INTERNAL OSC/

SIMULTANEOUS 50Hz/60Hz REJECTION

2413 TA01

24-Bit No Latency

DESCRIPTIO

The LTC

rejection micropower 24-bit differential

digital converter with an integrated oscillator, 2ppm INL

and 0.16ppm RMS noise. It uses delta-sigma technology

and provides single cycle settling time for multiplexed

applications. Through a single pin, the LTC2413 can be

configured for better than 87dB input differential mode

rejection over the range of 49Hz to 61.2Hz (50Hz and

60Hz 2% simultaneously), or it can be driven by an

external oscillator for a user defined rejection frequency.

The internal oscillator requires no external frequency

setting components.

The converter accepts any external differential reference

voltage from 0.1V to V

remote sensing measurement configurations. The full-

scale differential input range is from – 0.5V

The reference common mode voltage, V

input common mode voltage, V

dently set anywhere within the GND to V

LTC2413. The DC common mode input rejection is better

than 140dB.

The LTC2413 communicates through a flexible 3-wire

digital interface which is compatible with SPI and

MICROWIRE

No Latency

MICROWIRE is a trademark of National Semiconductor Corporation.

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

Measured Noise Rejection from 48Hz to 62.5Hz

is a trademark of Linear Technology Corporation.

2413 is a 2.7V to 5.5V simultaneous 50Hz/60Hz

–100

–105

–110

–115

–120

–80

–85

–90

–95

protocols.

INPUT FREQUENCY (Hz)

REF

MEASURED DATA

CALCULATED DATA

INCM

IN(P-P)

= 25 C

= 5V

–

for flexible ratiometric and

= 5V

= GND

= 2.5V

= 5V

INCM

, may be indepen-

2413 TA02

LTC2413

REFCM

REF

range of the

ADC,

to 0.5V

analog to

, and the

sn2413 2413fs

REF

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