ADS8343EB/2K5 Equivalent & Substitute Parts

Part Overview

The ADS8343EB/2K5 is a 16-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for data acquisition applications requiring simultaneous sampling and conversion. This device features a Successive Approximation Register (SAR) architecture with support for 2 or 4 input channels in differential or single-ended configurations, communicating via SPI interface.

The ADS8343EB/2K5 carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems currently utilizing this component.

Substiute Parts

ADS8343EB/2K5
Texas InstrumentsIn Stock: 838ADS8343EB/2K5 Datasheet
ADS8343EB/2K5
Current Part
ADS8341E/2K5
Texas InstrumentsIn Stock: 6322ADS8341E/2K5 Datasheet
ADS8341E/2K5
Parametric Equivalent
ADS8341EB/2K5
Texas InstrumentsIn Stock: 1355ADS8341EB/2K5 Datasheet
ADS8341EB/2K5
Parametric Equivalent
ADS8343E/2K5
Texas InstrumentsIn Stock: 1306ADS8343E/2K5 Datasheet
ADS8343E/2K5
Parametric Equivalent

Key Parameters

Parameter Value
Resolution 16 Bit
Sampling Rate 100k Samples Per Second
Number of Input Channels 2, 4
Input Type Differential, Single Ended
Data Interface SPI
Architecture SAR
Reference Type External
Analog Supply Voltage 2.7V ~ 3.6V, 5V
Digital Supply Voltage 2.7V ~ 3.6V, 5V
Operating Temperature Range -40°C ~ 85°C
Package 16-SSOP (0.154", 3.90mm Width)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
MSL Rating 2 (1 Year)

Substitute Part Grouping Explanation

Substitute parts for the ADS8343EB/2K5 are determined by strict equivalence across the following critical parameters:

  • Resolution: 16-bit ADC architecture
  • Sampling Rate: 100k samples per second
  • Input Configuration: 2 or 4 channels supporting differential and single-ended modes
  • Data Interface: SPI communication protocol
  • Architecture: SAR-based conversion
  • Reference Type: External reference requirement
  • Supply Voltage Ranges: Analog 2.7V ~ 3.6V or 5V; Digital 2.7V ~ 3.6V or 5V
  • Operating Temperature: -40°C ~ 85°C
  • Package: 16-SSOP form factor with identical pinout and mechanical dimensions
  • Compliance: ROHS3 compliance and MSL 2 rating

All substitute parts listed maintain identical electrical specifications and mechanical compatibility, enabling direct replacement without circuit redesign or PCB modification.

Parameter Comparison

Parameter ADS8343EB/2K5 ADS8341E/2K5 ADS8341EB/2K5 ADS8343E/2K5
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Resolution 16 Bit 16 Bit 16 Bit 16 Bit
Sampling Rate 100k SPS 100k SPS 100k SPS 100k SPS
Input Channels 2, 4 2, 4 2, 4 2, 4
Input Type Differential, Single Ended Differential, Single Ended Differential, Single Ended Differential, Single Ended
Data Interface SPI SPI SPI SPI
Architecture SAR SAR SAR SAR
Reference Type External External External External
Analog Supply 2.7V ~ 3.6V, 5V 2.7V ~ 3.6V, 5V 2.7V ~ 3.6V, 5V 2.7V ~ 3.6V, 5V
Digital Supply 2.7V ~ 3.6V, 5V 2.7V ~ 3.6V, 5V 2.7V ~ 3.6V, 5V 2.7V ~ 3.6V, 5V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package 16-SSOP 16-SSOP 16-SSOP 16-SSOP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
MSL Rating 2 (1 Year) 2 (1 Year) 2 (1 Year) 2 (1 Year)
Product Status Obsolete Active Active Last Time Buy
Packaging Type Standard Standard Standard Tape & Reel (TR)
Inventory Availability 797 Pcs 6246 Pcs 1302 Pcs 1210 Pcs

Engineering Selection Recommendations

Primary Recommendation: ADS8341E/2K5

The ADS8341E/2K5 is the preferred substitute for the obsolete ADS8343EB/2K5. This part maintains Active product status with the highest inventory availability (6246 units), ensuring long-term supply chain stability. All electrical and mechanical parameters are identical, supporting direct replacement without design modification. ROHS3 compliance and MSL 2 rating are maintained.

Secondary Recommendation: ADS8341EB/2K5

The ADS8341EB/2K5 provides an alternative with Active product status and adequate inventory (1302 units). This part is functionally equivalent and suitable for applications requiring extended component lifecycle support.

Tertiary Option: ADS8343E/2K5

The ADS8343E/2K5 carries Last Time Buy status with Tape & Reel packaging. While electrically equivalent, this part has limited availability (1210 units) and approaching end-of-life status. Selection should be based on specific packaging requirements or existing supply agreements.

Frequently Asked Questions (FAQ)

Q: Can ADS8341E/2K5 replace ADS8343EB/2K5 without PCB modification?

A: Yes. Both parts share identical 16-SSOP package dimensions, pinout configuration, and electrical specifications. Direct substitution is possible without circuit redesign or board layout changes.

Q: What is the difference between ADS8343 and ADS8341 base product numbers?

A: The base product numbers indicate different device variants within the ADS834x family. However, the substitute parts listed maintain identical functional specifications for resolution, sampling rate, input configuration, and interface protocol. Substitution is valid based on parametric equivalence.

Q: Why is ADS8341E/2K5 recommended over ADS8343E/2K5?

A: ADS8341E/2K5 maintains Active product status with significantly higher inventory availability (6246 vs. 1210 units). ADS8343E/2K5 is designated Last Time Buy, indicating approaching discontinuation. For new designs and long-term production, ADS8341E/2K5 provides superior supply chain continuity.

Q: Are there packaging differences between substitute parts?

A: ADS8343E/2K5 is supplied in Tape & Reel (TR) packaging, while ADS8343EB/2K5, ADS8341E/2K5, and ADS8341EB/2K5 use standard packaging. Both packaging formats are compatible with automated assembly processes. Selection depends on production volume and handling requirements.

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

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 2 (1 Year) rating. REACH status is Unaffected for all variants. Compliance certifications are maintained across all substitute options.

Q: What is the inventory status for each substitute part?

A: ADS8341E/2K5 has the highest availability at 6246 units. ADS8341EB/2K5 provides 1302 units. ADS8343E/2K5 offers 1210 units. Current inventory levels should be verified with suppliers for production planning purposes.

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