ADS7823EB/2K5 Equivalent & Substitute Parts

Part Overview

The ADS7823EB/2K5 is a 12-bit Analog to Digital Converter manufactured by Texas Instruments, designed for single-ended input data acquisition applications. This SAR (Successive Approximation Register) architecture device operates with external voltage reference and communicates via I2C interface. The part is currently in active production status with 5810 units in stock. Substitute parts are necessary to address packaging preferences, lead time constraints, or inventory availability while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Resolution	12 Bit
Sampling Rate	50k Samples Per Second
Number of Inputs	1
Input Type	Single Ended
Data Interface	I2C
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 Type	8-VSSOP
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	2 (1 Year)

Substitute Part Grouping Explanation

All substitute parts for ADS7823EB/2K5 maintain identical electrical specifications across resolution, sampling rate, input configuration, data interface, architecture, reference type, supply voltage ranges, and operating temperature. The substitution logic is based strictly on the following parameters that determine functional equivalence:

12-bit resolution with 50k samples per second sampling rate
Single-ended input configuration with I2C communication protocol
SAR architecture with external voltage reference
Dual supply voltage support (2.7V ~ 3.6V and 5V)
Operating temperature range of -40°C ~ 85°C
8-VSSOP package with surface mount capability
ROHS3 compliance and MSL 2 rating

Differences between the main part and substitutes are limited to packaging format (Tape & Reel versus Cut Tape & Digi-Reel) and inventory availability. These packaging variations do not affect electrical performance or mechanical compatibility in the application circuit.

Parameter Comparison

Parameter	ADS7823EB/2K5	ADS7823E/250	ADS7823E/2K5	ADS7823EB/250
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Resolution (Bits)	12	12	12	12
Sampling Rate	50k	50k	50k	50k
Number of Inputs	1	1	1	1
Input Type	Single Ended	Single Ended	Single Ended	Single Ended
Data Interface	I2C	I2C	I2C	I2C
Architecture	SAR	SAR	SAR	SAR
Reference Type	External	External	External	External
Analog Supply Voltage	2.7V ~ 3.6V, 5V	2.7V ~ 3.6V, 5V	2.7V ~ 3.6V, 5V	2.7V ~ 3.6V, 5V
Digital Supply Voltage	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 / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP	8-VSSOP	8-VSSOP	8-VSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	2 (1 Year)	2 (1 Year)	2 (1 Year)	2 (1 Year)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Not Specified	Tape & Reel (TR)
Current Inventory	5810 Pcs	1445 Pcs	4800 Pcs	2300 Pcs

Engineering Selection Recommendations

All four part numbers are manufactured by Texas Instruments and maintain active product status. Selection between ADS7823EB/2K5 and its substitutes should be based on packaging format requirements and inventory availability:

ADS7823EB/2K5 and ADS7823EB/250 are supplied in Tape & Reel format, suitable for high-volume automated assembly processes. ADS7823E/250 is supplied in Cut Tape & Digi-Reel format, appropriate for lower-volume or mixed-component pick-and-place operations. ADS7823E/2K5 has unspecified packaging but maintains identical electrical and mechanical specifications.

All parts carry ROHS3 compliance and REACH Unaffected status, meeting current environmental and regulatory requirements. MSL 2 rating applies uniformly across all variants, indicating standard moisture sensitivity handling procedures.

Frequently Asked Questions (FAQ)

Q: Can ADS7823E/250 be used as a direct replacement for ADS7823EB/2K5?

A: Yes. Both parts are electrically and mechanically identical. The primary difference is packaging format: ADS7823E/250 uses Cut Tape & Digi-Reel while ADS7823EB/2K5 uses Tape & Reel. The substitution is valid for applications where packaging format does not constrain assembly processes.

Q: What does the suffix designation (EB versus E) indicate?

A: The suffix designations reflect packaging and tape configuration specifications. Both EB and E variants maintain identical electrical performance and pin configuration. Selection depends on procurement and assembly requirements rather than functional capability.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. ADS7823EB/2K5, ADS7823E/250, ADS7823E/2K5, and ADS7823EB/250 are all ROHS3 compliant with REACH Unaffected status.

Q: Can these parts be used interchangeably in PCB designs?

A: Yes. All parts share identical pin configuration, package dimensions (8-VSSOP), and electrical specifications. No circuit modifications are required when substituting between these part numbers.

Q: What is the significance of the 2K5 and 250 designations in the part numbers?

A: These designations indicate tape reel quantity specifications. Both variants maintain identical electrical and mechanical characteristics; the difference relates to packaging quantity per reel rather than component performance.

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