ADS8344EBG4 Equivalent & Substitute Parts

Part Overview

The ADS8344EBG4 is a 16-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for data acquisition applications requiring simultaneous sampling and conversion. This SAR (Successive Approximation Register) architecture device features 4 or 8 differential/single-ended inputs with SPI digital interface and operates across 2.7V to 5V supply ranges.

The ADS8344EBG4 is discontinued at DiGi Electronics. Identifying equivalent and substitute parts ensures design continuity and maintains system performance specifications in production environments.

Substiute Parts

ADS8344EBG4

Texas InstrumentsIn Stock: 1200ADS8344EBG4 Datasheet

Current PartRFQ

ADS8344E

Texas InstrumentsIn Stock: 5931ADS8344E Datasheet

Parametric EquivalentRFQ

ADS8344EB

Texas InstrumentsIn Stock: 9636ADS8344EB Datasheet

MFR RecommendedRFQ

ADS8345E

Texas InstrumentsIn Stock: 1972ADS8345E Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ADS8344EBG4 are identified based on electrical and mechanical parameter equivalence. All substitute candidates maintain identical specifications across the following critical parameters:

• 16-bit resolution
• 100k samples per second sampling rate
• 4 or 8 input channel configuration
• Differential and single-ended input support
• SPI digital interface
• SAR architecture with external reference
• 2.7V to 5V dual supply voltage operation
• -40°C to 85°C operating temperature range
• 20-SSOP surface mount package

Substitutes are differentiated by product status (active vs. discontinued), packaging format (tube vs. alternative), and moisture sensitivity level (MSL) ratings.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts (ADS8344E, ADS8344EB, ADS8345E) maintain full electrical and mechanical compatibility with the ADS8344EBG4 across all specified parameters. Selection among active alternatives should prioritize product availability and supply chain continuity.

ADS8344E and ADS8345E offer superior moisture sensitivity ratings (MSL 2, 1 Year) compared to the original part (MSL 3, 168 Hours), providing extended shelf life and reduced risk during storage and handling in humid environments.

ADS8344EB maintains the original MSL 3 rating and is recommended for direct replacement in existing production workflows where moisture sensitivity specifications are already validated.

All substitute parts carry ROHS3 compliance and EAR99 export classification, matching the regulatory status of the discontinued original part.

Frequently Asked Questions (FAQ)

Q: Can ADS8344E, ADS8344EB, and ADS8345E be used interchangeably with ADS8344EBG4?

A: Yes. All substitute parts maintain identical electrical specifications (16-bit resolution, 100k SPS sampling rate, 4/8 input channels, SPI interface, external reference, dual supply voltage operation) and mechanical compatibility (20-SSOP package, surface mount). No circuit redesign is required.

Q: What is the difference between ADS8344E and ADS8344EB?

A: Both parts are electrically identical. The primary difference is packaging format (tube for both) and moisture sensitivity level. ADS8344E carries MSL 2 (1 Year shelf life), while ADS8344EB carries MSL 3 (168 Hours shelf life). ADS8344EB matches the original part's MSL specification.

Q: Why is ADS8345E listed as a substitute if it has a different base product number?

A: ADS8345E maintains all critical electrical and mechanical parameters required for functional equivalence. The base product number difference does not affect circuit-level compatibility or performance in applications designed for the ADS8344 series.

Q: Does switching to an active substitute part require PCB layout changes?

A: No. All substitute parts use the identical 20-SSOP package with matching pin assignments and mechanical dimensions (0.154" width, 3.90mm). Existing PCB layouts and footprints are directly compatible.

Q: Are there supply voltage or temperature range differences between substitutes?

A: No. All substitute parts operate across the same analog and digital supply voltage ranges (2.7V to 5V) and temperature range (-40°C to 85°C) as the original ADS8344EBG4.