ADS8324EB/2K5 Equivalent & Substitute Parts

Part Overview

The ADS8324EB/2K5 is a 14-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for data acquisition applications requiring single-channel conversion with SAR architecture. This microPOWER™ series component operates across a wide supply voltage range of 1.8V to 3.6V for both analog and digital domains, making it suitable for battery-powered and low-power embedded systems. The device is currently in active production status with full ROHS3 compliance and REACH unaffected certification. Substitute parts are identified based on matching electrical specifications, package compatibility, and functional equivalence within the ADS8324 product family.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Data Acquisition
Number of Bits	14
Sampling Rate	50 kSPS
Number of Inputs	1
Input Type	Differential, Single Ended
Data Interface	SPI
Architecture	SAR
Reference Type	External
Voltage - Supply, Analog	1.8V ~ 3.6V
Voltage - Supply, Digital	1.8V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	2 (1 Year)

Substitute Part Grouping Explanation

Substitute parts for the ADS8324EB/2K5 are identified within the ADS8324 product family based on strict parametric equivalence. All substitute candidates share identical electrical and functional specifications across the following critical parameters:

14-bit resolution with 50 kSPS sampling rate
Single-channel input supporting both differential and single-ended configurations
SPI serial data interface
SAR architecture with external reference
Dual supply voltage range of 1.8V to 3.6V for analog and digital domains
Operating temperature range of -40°C to 85°C
8-VSSOP surface mount package
ROHS3 compliance and REACH unaffected status

The differences between ADS8324EB/2K5 and its substitutes are limited to packaging tape specifications (indicated by the suffix designations /2K5 and /250), which represent different tape reel configurations for automated assembly. These packaging variants do not affect electrical performance, functionality, or circuit-level compatibility.

Parameter Comparison

Parameter	ADS8324EB/2K5	ADS8324E/250	ADS8324E/2K5
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments
Number of Bits	14	14	14
Sampling Rate (Per Second)	50k	50k	50k
Number of Inputs	1	1	1
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	1.8V ~ 3.6V	1.8V ~ 3.6V	1.8V ~ 3.6V
Voltage - Supply, Digital	1.8V ~ 3.6V	1.8V ~ 3.6V	1.8V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP
Supplier Device Package	8-VSSOP	8-VSSOP	8-VSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	2 (1 Year)	2 (1 Year)	2 (1 Year)
Product Status	Active	Active	Active

Engineering Selection Recommendations

All three parts—ADS8324EB/2K5, ADS8324E/250, and ADS8324E/2K5—are functionally equivalent and interchangeable at the circuit level. Selection between these variants should be based on:

Packaging and Supply Chain Requirements: The suffix designations (/2K5 and /250) indicate different tape reel configurations for automated pick-and-place assembly. Choose the variant that matches your manufacturing equipment specifications and supply chain logistics.

Compliance and Certification: All variants maintain identical ROHS3 compliance and REACH unaffected status, ensuring regulatory equivalence across applications.

Inventory and Availability: Current stock levels differ among variants. ADS8324E/2K5 has the highest inventory (3285 pcs), followed by ADS8324E/250 (1653 pcs), and ADS8324EB/2K5 (1090 pcs). Availability considerations may influence part selection for high-volume production.

Product Status: All variants are in active production, ensuring long-term supply continuity and technical support.

Frequently Asked Questions (FAQ)

Q: Can ADS8324E/250 and ADS8324E/2K5 be used as direct replacements for ADS8324EB/2K5 in existing designs?

A: Yes. All three parts are electrically and functionally identical. They share the same 14-bit resolution, 50 kSPS sampling rate, SPI interface, supply voltage range, operating temperature range, and 8-VSSOP package. Substitution is valid at the circuit level without design modifications.

Q: What do the suffix designations /2K5 and /250 represent?

A: These suffixes indicate different tape reel configurations used for automated assembly. /2K5 represents a 2500-unit reel, while /250 represents a 250-unit reel. The electrical and functional specifications remain identical regardless of tape configuration.

Q: Are there any differences in pin configuration or package dimensions between these parts?

A: No. All variants use the 8-VSSOP surface mount package with identical pin configuration and dimensions (0.118" width, 3.00mm). PCB layout and footprints are fully compatible across all three parts.

Q: Do all variants meet the same compliance and certification standards?

A: Yes. All three parts are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity levels (MSL 2, 1 Year). Regulatory and environmental compliance is equivalent across all variants.

Q: Which variant should be selected for new designs?

A: From a technical standpoint, all variants are equivalent. Selection should be based on manufacturing equipment compatibility (tape reel format), current inventory availability, and supply chain preferences. All variants are in active production status.

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