ADS8344NG4 Equivalent & Substitute Parts

Part Overview

The ADS8344NG4 is a 16-bit Analog to Digital Converter (ADC) with SAR architecture, manufactured by Texas Instruments. This data acquisition component features 4 or 8 configurable inputs, supports both differential and single-ended input types, and communicates via SPI interface. The part is packaged in a 20-SSOP surface mount package with external reference capability.

The ADS8344NG4 is discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications requiring 16-bit SAR ADC functionality with identical electrical and mechanical specifications.

Substiute Parts

ADS8344NG4

Texas InstrumentsIn Stock: 1964ADS8344NG4 Datasheet

Current PartRFQ

ADS8344NB

Texas InstrumentsIn Stock: 4702ADS8344NB Datasheet

Parametric EquivalentRFQ

ADS8345N

Texas InstrumentsIn Stock: 1475ADS8345N Datasheet

Parametric EquivalentRFQ

ADS8345NB

Texas InstrumentsIn Stock: 1969ADS8345NB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ADS8344NG4 are qualified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters:

• Resolution and Sampling Rate: All substitutes maintain 16-bit resolution and 100k samples per second
• Input Configuration: All substitutes support 4 or 8 configurable inputs with differential and single-ended input types
• Communication Protocol: All substitutes use SPI data interface
• Architecture: All substitutes employ SAR (Successive Approximation Register) architecture
• Power Supply Compatibility: All substitutes accept identical analog and digital supply voltage ranges (2.7V ~ 3.6V, 5V)
• Operating Temperature Range: All substitutes operate across -40°C ~ 85°C
• Package and Mounting: All substitutes use 20-SSOP surface mount package with identical physical dimensions
• Compliance: All substitutes maintain ROHS3 compliance and MSL 2 rating

The substitute parts differ only in packaging format (Tube vs. original packaging) and product status (Active vs. Discontinued), with no impact on electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts (ADS8344NB, ADS8345N, ADS8345NB) are direct parametric equivalents to the ADS8344NG4 and are suitable for replacement in applications requiring identical electrical and mechanical performance.

ADS8344NB is the closest substitute, maintaining the same base product number (ADS8344) while offering active product status and tube packaging. This part provides continuity with the original design with improved supply availability.

ADS8345N and ADS8345NB are based on the ADS8345 base product number but maintain complete parametric equivalence across all specified electrical and mechanical parameters. Both parts are active products with established supply chains.

Selection among the three substitutes should be based on packaging requirements (tube format) and current inventory availability. All three parts carry ROHS3 compliance and identical MSL ratings, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can ADS8344NB, ADS8345N, and ADS8345NB be used interchangeably with ADS8344NG4?

A: Yes. All three substitute parts maintain identical electrical specifications (16-bit resolution, 100k sampling rate, SPI interface, SAR architecture, external reference, dual supply voltage ranges) and mechanical specifications (20-SSOP package, surface mount, identical pin configuration). No circuit modifications are required.

Q: What is the difference between ADS8344NB and ADS8345N/ADS8345NB?

A: The primary difference is the base product number (ADS8344 vs. ADS8345). All three parts are parametrically equivalent with no functional differences in electrical performance, input configuration, or package specifications. Selection should be based on packaging format (tube) and supply chain availability.

Q: Are there packaging differences between the substitute parts?

A: ADS8344NB, ADS8345N, and ADS8345NB are all supplied in tube packaging. The original ADS8344NG4 packaging format is not specified in the provided data. All parts use identical 20-SSOP surface mount packages with 0.209" width and 5.30mm dimensions.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. All substitute parts are ROHS3 compliant with MSL 2 (1 Year) moisture sensitivity rating, matching the original ADS8344NG4 specifications. All parts are REACH unaffected and carry EAR99 ECCN classification.

Q: What is the supply status of each substitute part?

A: ADS8344NB, ADS8345N, and ADS8345NB are all active products with current inventory availability. The original ADS8344NG4 is discontinued at DiGi Electronics, making these substitutes the recommended options for new designs and replenishment orders.