ADS8328IRSAT Equivalent & Substitute Parts

Part Overview

The ADS8328IRSAT is a 16-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for data acquisition applications requiring dual-channel differential or single-ended input conversion. The device features a Successive Approximation Register (SAR) architecture with a 500 kSPS sampling rate and operates from a 5V analog supply with digital supply ranging from 1.65V to 5.5V. The ADS8328IRSAT is classified as Obsolete, necessitating identification of equivalent substitute components for ongoing design support and procurement continuity.

Substiute Parts

ADS8328IRSAT
Texas InstrumentsIn Stock: 1136ADS8328IRSAT Datasheet
ADS8328IRSAT
Current Part
ADS8328IBRSAT
Texas InstrumentsIn Stock: 1446ADS8328IBRSAT Datasheet
ADS8328IBRSAT
MFR Recommended
ADS8328IBRSAR
Texas InstrumentsIn Stock: 1729ADS8328IBRSAR Datasheet
ADS8328IBRSAR
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number ADS8328IRSAT
Manufacturer Texas Instruments
Category Data Acquisition
Number of Bits 16
Sampling Rate (Per Second) 500k
Number of Inputs 2
Input Type Differential, Single Ended
Data Interface SPI
Architecture SAR
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 1.65V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Package / Case 16-VQFN Exposed Pad
Supplier Device Package 16-QFN (4x4)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
Product Status Obsolete

Substitute Part Grouping Explanation

Substitute parts for the ADS8328IRSAT are identified based on strict electrical and mechanical parameter equivalence. The critical parameters determining substitutability are:

  • Resolution: 16 bits
  • Sampling Rate: 500 kSPS
  • Number of Inputs: 2 channels
  • Input Configuration: Differential and Single Ended capability
  • Data Interface: SPI protocol
  • Architecture: SAR topology
  • Reference Type: External reference
  • Analog Supply Voltage: 5V
  • Digital Supply Voltage Range: 1.65V ~ 5.5V
  • Operating Temperature Range: -40°C ~ 85°C
  • Package: 16-QFN (4x4) with exposed pad
  • Mounting: Surface Mount
  • Compliance: ROHS3 Compliant, REACH Unaffected

All identified substitutes maintain identical electrical specifications and mechanical compatibility, differing only in product status and packaging designation.

Parameter Comparison

Parameter ADS8328IRSAT (Main) ADS8328IBRSAT (Substitute 1) ADS8328IBRSAR (Substitute 2)
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Number of Bits 16 16 16
Sampling Rate (Per Second) 500k 500k 500k
Number of Inputs 2 2 2
Input Type Differential, Single Ended Differential, Single Ended Differential, Single Ended
Data Interface SPI SPI SPI
Architecture SAR SAR SAR
Reference Type External External External
Voltage - Supply, Analog 5V 5V 5V
Voltage - Supply, Digital 1.65V ~ 5.5V 1.65V ~ 5.5V 1.65V ~ 5.5V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 16-VQFN Exposed Pad 16-VQFN Exposed Pad 16-VQFN Exposed Pad
Supplier Device Package 16-QFN (4x4) 16-QFN (4x4) 16-QFN (4x4)
Mounting Type Surface Mount Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year) 2 (1 Year) 2 (1 Year)
REACH Status REACH Unaffected REACH Unaffected REACH Unaffected
Product Status Obsolete Active Discontinued at DiGi Electronics

Engineering Selection Recommendations

The ADS8328IRSAT is classified as Obsolete. For new designs and ongoing procurement, the ADS8328IBRSAT is the primary recommended substitute, as it maintains full electrical and mechanical equivalence while carrying Active product status from Texas Instruments. This ensures long-term availability and manufacturer support.

The ADS8328IBRSAR is a parametric equivalent with identical electrical specifications and package compatibility; however, its Discontinued at DiGi Electronics status indicates limited distributor availability. This part may be considered only when ADS8328IBRSAT is unavailable and existing inventory is confirmed through alternative supply channels.

Both substitute parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements. All three parts share identical MSL ratings and thermal operating ranges, ensuring drop-in compatibility in existing PCB designs without layout or thermal management modifications.

Frequently Asked Questions (FAQ)

Q: Can ADS8328IBRSAT directly replace ADS8328IRSAT in existing designs?

A: Yes. The ADS8328IBRSAT is electrically and mechanically equivalent to the ADS8328IRSAT. All critical parameters including resolution, sampling rate, input configuration, supply voltages, operating temperature range, and package specifications are identical. No circuit modifications or PCB redesign are required.

Q: What is the difference between ADS8328IBRSAT and ADS8328IBRSAR?

A: Both parts are parametrically equivalent with identical electrical specifications and package compatibility. The primary difference is product status: ADS8328IBRSAT is Active, while ADS8328IBRSAR is Discontinued at DiGi Electronics. For new procurement, ADS8328IBRSAT is preferred due to superior availability.

Q: Are there any package or mounting differences between these parts?

A: No. All three parts use the 16-QFN (4x4) package with exposed pad in a 16-VQFN configuration. All are Surface Mount devices with identical footprints and thermal characteristics.

Q: Do these substitutes meet current compliance standards?

A: Yes. All substitute parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements equivalent to the original ADS8328IRSAT.

Q: What is the Moisture Sensitivity Level (MSL) for these parts?

A: All parts carry MSL 2 (1 Year) rating, indicating identical moisture handling and storage requirements.

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