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Home > Products > Integrated Circuits (ICs) > Data Acquisition > Analog to Digital Converters (ADC)

Analog Devices Inc. LTC2414CGN#PBF

Name: LTC2414CGN#PBF
Brand: Analog Devices Inc.
SKU: LTC2414CGN#PBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LTC2414CGN#PBF

Manufacturer:: Analog Devices Inc.

Category:: Analog to Digital Converters (ADC)

Package:: 28-SSOP (0.154", 3.90mm Width)

Datasheet:: LTC2414CGN#PBF.pdf

Description:: IC ADC 24BIT SIGMA-DELTA 28SSOP

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Product details

Overview

LTC2414CGN#PBF from Analog Devices (formerly Linear Technology) is an 8-channel, 24-bit no-latency delta-sigma ADC with integrated oscillator, 2 ppm INL, 0.2 ppm RMS noise, and single-cycle settling for multiplexed sensor digitization. It operates from 2.7V to 5.5V, supports 4 differential or 8 single-ended inputs, and delivers 110 dB 50/60 Hz notch rejection-ideal for precision weight scales and strain gauge transducers.

For engineers reviewing the LTC2414CGN#PBF datasheet, LTC2414CGN#PBF pinout, LTC2414CGN#PBF application, or LTC2414CGN#PBF equivalent, key selection criteria include its 28-lead SSOP package, 200 µA active supply current, differential reference support (0.1V–V_CC), DC common-mode rejection >140 dB, and flexible 4-wire SPI/MICROWIRE interface with FO-pin programmable line-frequency rejection.

Technical Context

The LTC2414CGN#PBF implements a third-order delta-sigma modulator with decimating FIR filter and on-chip autocalibration that executes offset and full-scale correction in every conversion cycle. Its internal oscillator eliminates external timing components and enables fixed 50 Hz or 60 Hz notch placement via the FO pin.

It uses a 28-pin SSOP package with dedicated analog input pins (CH0–CH7), COM, REF+, REF−, and digital interface pins (CS, SDO, SCK, SDI, FO). The device supports both internal and external clock modes, with conversion time ranging from 130.86 ms (FO = GND) to 163.44 ms (FO = V_CC), and provides true bipolar input range of ±0.5·V_REF.

Key Specifications

Parameter	Value and Actual Design Meaning
Resolution	24-bit with no missing codes-guarantees monotonicity and full dynamic range utilization.
INL	2 ppm of V_REF-enables <1 LSB error across full scale at 24-bit resolution with 5 V reference.
RMS Noise	0.2 ppm of V_REF (1 µV_RMS at 5 V)-supports sub-microvolt signal resolution in low-noise industrial sensing.
Supply Current	200 µA in conversion mode, 4 µA in autosleep-enables battery-powered portable instrumentation.
Common-Mode Rejection	>140 dB DC-rejects ground bounce and shared-impedance errors in noisy industrial environments.
Line Rejection	110 dB min at 50/60 Hz ±2%-eliminates mains interference without external filtering or software post-processing.
Input Range	±0.5·V_REF, V_REF = 0.1 V to V_CC-supports ratiometric measurements with remote sensors and variable gain front-ends.

Pinout & Package

Package: 28-lead plastic SSOP (GN package), 0°C to 70°C operating temperature range.

Pin/Terminal	Circuit Role	Design Meaning
CH0–CH7 (Pins 21–28, 1–8)	Analog input channels	Configurable as 8 single-ended or 4 differential inputs; CH8–CH15 unconnected on LTC2414CGN#PBF.
COM (Pin 10)	Common negative input	Serves as IN− for all single-ended configurations; supports GND-to-V_CC common-mode range.
REF+ / REF− (Pins 11/12)	Differential reference inputs	Accept 0.1 V to V_CC differential voltage; enable ratiometric accuracy and remote sensing.
FO (Pin 19)	Frequency control input	Selects 60 Hz (FO = GND), 50 Hz (FO = V_CC), or user-defined notch (external oscillator).
CS (Pin 16)	Active-low chip select	Wakes device from sleep, enables SDO output, and triggers new conversion on rising edge.
SDO / SCK / SDI (Pins 17/18/20)	4-wire serial interface	Supports SPI/MICROWIRE; SCK operates bidirectionally (output in internal clock mode, input in external mode).

Key Features

Feature	Design Value
No latency digital filter	Single-cycle settling ensures each output corresponds directly to its input sample-no buffer delay or redundant reads required in multiplexed systems.
Per-conversion autocalibration	Continuous offset and full-scale correction eliminates drift-related errors over temperature, time, and supply variation-no manual recalibration needed.
Flexible reference architecture	Differential REF+ and REF− accept 0.1 V to V_CC with independent common-mode control-enables direct connection to bridge sensors and isolated references.
GND-to-V_CC input common-mode range	Allows IN+ and IN− to swing from GND – 0.3 V to V_CC + 0.3 V-simplifies front-end design with rail-to-rail op-amps and eliminates level-shifting circuitry.
Low-power sleep mode	4 µA quiescent current with indefinite result retention in static shift register-ideal for event-triggered or duty-cycled measurement systems.

Applications

Weight Scales	Strain Gauge Transducers
Use Scenario: High-precision load cell readout in commercial and industrial weighing platforms requiring NTEP or OIML certification. IC Role / Device Role / Timing Role: Direct digitizer for mV/V bridge outputs; performs ratiometric conversion referenced to excitation voltage. Use Value: 24-bit resolution and 0.2 ppm noise enable <10 mg resolution on 30 kg platform with standard 2 mV/V load cells.	Use Scenario: Structural health monitoring in civil engineering applications using bonded foil or MEMS strain gauges. IC Role / Device Role / Timing Role: Low-drift, high-CMR analog front-end digitizer with programmable 50/60 Hz rejection for field-deployed sensors. Use Value: >140 dB DC CMR rejects common-mode noise from long cable runs; 2 ppm INL maintains calibration stability over 10-year service life.
Direct Temperature Measurement	Gas Analyzers
Use Scenario: Cold-junction compensation and thermocouple linearization in industrial process controllers. IC Role / Device Role / Timing Role: Precision cold-junction reference digitizer with differential inputs and programmable line-frequency rejection. Use Value: Bipolar ±0.5·V_REF input range accommodates thermocouple EMF directly; 110 dB 60 Hz rejection prevents AC coupling artifacts.	Use Scenario: Electrochemical gas sensor signal conditioning in portable air quality monitors. IC Role / Device Role / Timing Role: Low-noise, low-power ADC for picoamp-level current-to-voltage conversion outputs. Use Value: 0.2 ppm RMS noise resolves sub-nanoamp currents; 200 µA active current enables >12-month battery life in handheld units.

Weight Scales

Strain Gauge Transducers

Use Scenario: High-precision load cell readout in commercial and industrial weighing platforms requiring NTEP or OIML certification.

IC Role / Device Role / Timing Role: Direct digitizer for mV/V bridge outputs; performs ratiometric conversion referenced to excitation voltage.

Use Value: 24-bit resolution and 0.2 ppm noise enable <10 mg resolution on 30 kg platform with standard 2 mV/V load cells.

Use Scenario: Structural health monitoring in civil engineering applications using bonded foil or MEMS strain gauges.

IC Role / Device Role / Timing Role: Low-drift, high-CMR analog front-end digitizer with programmable 50/60 Hz rejection for field-deployed sensors.

Use Value: >140 dB DC CMR rejects common-mode noise from long cable runs; 2 ppm INL maintains calibration stability over 10-year service life.

Direct Temperature Measurement

Gas Analyzers

Use Scenario: Cold-junction compensation and thermocouple linearization in industrial process controllers.

IC Role / Device Role / Timing Role: Precision cold-junction reference digitizer with differential inputs and programmable line-frequency rejection.

Use Value: Bipolar ±0.5·V_REF input range accommodates thermocouple EMF directly; 110 dB 60 Hz rejection prevents AC coupling artifacts.

Use Scenario: Electrochemical gas sensor signal conditioning in portable air quality monitors.

IC Role / Device Role / Timing Role: Low-noise, low-power ADC for picoamp-level current-to-voltage conversion outputs.

Use Value: 0.2 ppm RMS noise resolves sub-nanoamp currents; 200 µA active current enables >12-month battery life in handheld units.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 24-bit delta-sigma ADC applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ADS1248IPWR	24-bit, 2kSPS, integrated PGA and burn-out current sources; requires external crystal; 1.8–3.6V supply only.	Better suited for multi-sensor arrays with programmable gain; lacks integrated oscillator and true GND-to-V_CC input range.	Select ADS1248IPWR when PGA flexibility and sensor diagnostics (burn-out) are required; avoid if oscillator-free design or wide supply range is mandatory.
MAX11206ETL+	24-bit, 10SPS, 1.8–3.6V operation, no internal oscillator, 105 dB 50/60 Hz rejection, 0.5 ppm noise.	Lower power (120 µA) but narrower supply range and weaker line rejection; requires external clock for optimal performance.	Select MAX11206ETL+ for ultra-low-power battery applications where 50/60 Hz rejection margin can be relaxed; not suitable for 5 V systems or oscillator-free layouts.

Compared with ADS1248IPWR and MAX11206ETL+, the LTC2414CGN#PBF uniquely combines internal oscillator, 5 V compatibility, GND-to-V_CC input range, and >140 dB DC CMR-making it optimal for robust, maintenance-free industrial sensor nodes without external timing or level-shifting components.

Availability

LTC2414CGN#PBF is available at Aetrix Electronics and suitable for weight scales, strain gauge transducers, and direct temperature measurement systems requiring stable component supply, long-term calibration integrity, and industrial-grade temperature performance (0°C to 70°C).

Supply support for LTC2414CGN#PBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices acquired Linear Technology in 2017 and maintains its precision analog portfolio, including high-resolution delta-sigma ADCs, with emphasis on metrology-grade performance and reliability.

The LTC2414CGN#PBF belongs to Linear's "No Latency Delta-Sigma" ADC family, designed specifically for high-accuracy, low-power, multiplexed sensor digitization in industrial instrumentation, test equipment, and process control systems.

FAQ

What is the maximum number of analog input channels supported by the LTC2414CGN#PBF?

The LTC2414CGN#PBF supports 8 analog input channels (CH0–CH7), configurable as either 8 single-ended or 4 differential inputs. Channels CH8–CH15 are not connected on this variant-only the LTC2418 supports 16 channels. Pin assignments for CH0–CH7 are confirmed in the GN package pinout diagram and functional description.

Does the LTC2414CGN#PBF require external passive components for its internal oscillator?

No, the LTC2414CGN#PBF does not require any external passive components for its internal oscillator. The oscillator is fully integrated and factory-trimmed; connecting FO to GND or V_CC selects 60 Hz or 50 Hz notch frequency respectively, with no crystals, capacitors, or resistors needed-reducing BOM count and layout area.

What is the guaranteed integral nonlinearity (INL) specification for the LTC2414CGN#PBF over temperature?

The LTC2414CGN#PBF guarantees 2 ppm of V_REF integral nonlinearity over its full operating temperature range (0°C to 70°C), as specified in the Electrical Characteristics table under "Integral Nonlinearity" with the "l" symbol denoting full-temperature-range applicability.

Can the LTC2414CGN#PBF operate with a 0.1V reference voltage?

Yes, the LTC2414CGN#PBF accepts differential reference voltages from 0.1 V to V_CC. With V_REF = 0.1 V, the full-scale input range becomes ±50 mV, enabling high-gain, low-voltage sensor interfaces such as micro-strain measurements-while maintaining 24-bit resolution and guaranteed monotonicity.

How does the FO pin affect conversion time in the LTC2414CGN#PBF?

The FO pin directly sets the digital filter's first null frequency and thus determines conversion time: FO = GND yields 130.86–136.20 ms (60 Hz notch), FO = V_CC yields 157.03–163.44 ms (50 Hz notch), and an external oscillator at f_EOSC yields ~20510/f_EOSC ms. All values are specified over temperature and supply voltage.

LTC2414CGN#PBF Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: microPOWER™

Package/Case:: 28-SSOP (0.154", 3.90mm Width)

Packaging:: Tube

Product Status:: Active

Number of Bits:: 24

Sampling Rate (Per Second):: 7.5

Number of Inputs:: 4, 8

Input Type:: Differential, Single Ended

Data Interface:: SPI

Configuration:: MUX-ADC

Ratio - S/H:ADC:: -

Number of A/D Converters:: 1

Architecture:: Sigma-Delta

Reference Type:: External

Voltage - Supply, Analog:: 2.7V ~ 5.5V

Voltage - Supply, Digital:: 2.7V ~ 5.5V

Features:: -

Operating Temperature:: 0°C ~ 70°C

Supplier Device Package:: 28-SSOP

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

LTC2414CGN#PBF FAQ

1.How can I place an order for LTC2414CGN#PBF through Aetrix?

Please submit a Request for Quotation (RFQ) for LTC2414CGN#PBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for LTC2414CGN#PBF reliable?

The price and inventory of LTC2414CGN#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2414CGN#PBF is usually 5 days.

3.What payment methods are accepted for LTC2414CGN#PBF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2414CGN#PBF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LTC2414CGN#PBF?

LTC2414CGN#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LTC2414CGN#PBF order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for LTC2414CGN#PBF?

For technical support, including LTC2414CGN#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2414CGN#PBF requirements.

6.How does Aetrix verify that LTC2414CGN#PBF is sourced from the original manufacturer or authorized distributors?

All LTC2414CGN#PBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LTC2414CGN#PBF meets industry standards.

7.What is the process for return or replacement of LTC2414CGN#PBF?

All LTC2414CGN#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2414CGN#PBF, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The LTC2414CGN#PBF part is unused and in its original packaging.

Return procedure for LTC2414CGN#PBF:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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