ADS7841EB/2K5 Equivalent & Substitute Parts

Part Overview

The ADS7841EB/2K5 is a 12-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for data acquisition applications requiring single-ended input conversion. This SAR (Successive Approximation Register) architecture device features 4 input channels, SPI data interface, and operates across dual supply voltage ranges (2.7V–3.6V and 5V). The part is currently in active production status with 22,614 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct replacement in circuit designs without functional compromise.

Substiute Parts

ADS7841EB/2K5

Texas InstrumentsIn Stock: 22712ADS7841EB/2K5 Datasheet

Current PartRFQ

ADS7841E/2K5

Texas InstrumentsIn Stock: 12888ADS7841E/2K5 Datasheet

Parametric EquivalentRFQ

ADS7841ESQDBQRQ1

Texas InstrumentsIn Stock: 10158ADS7841ESQDBQRQ1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ADS7841EB/2K5 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Core Electrical Parameters (Must Match):

• Resolution: 12 Bit
• Sampling Rate: 200k Samples Per Second
• Number of Input Channels: 4
• Input Type: 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 to 125°C

Mechanical Parameters (Must Match):

• Package Type: 16-SSOP (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

Identified Substitutes: All substitute parts listed maintain identical electrical and mechanical specifications to the main part. Variations in packaging format (Cut Tape vs. Bulk Reel) and automotive qualification grades do not affect functional equivalence in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active production status and full compliance with ROHS3 and REACH regulations. Selection between ADS7841EB/2K5, ADS7841E/2K5, and ADS7841ESQDBQRQ1 is determined by application requirements and supply chain considerations:

ADS7841EB/2K5: Standard industrial-grade device with 22,614 units in stock. Suitable for general data acquisition applications.

ADS7841E/2K5: Functionally equivalent with 12,800 units available in Cut Tape and Digi-Reel packaging formats. Identical electrical performance and compliance profile.

ADS7841ESQDBQRQ1: Automotive-qualified variant (AEC-Q100) with 10,110 units in stock. Includes enhanced moisture sensitivity specification (MSL 3, 168 Hours vs. MSL 2, 1 Year). Appropriate for automotive and high-reliability applications requiring automotive-grade qualification.

Frequently Asked Questions (FAQ)

Q: Can ADS7841E/2K5 replace ADS7841EB/2K5 in existing designs? A: Yes. Both parts share identical electrical specifications, pin configuration, and 16-SSOP package geometry. Direct substitution is functionally equivalent.

Q: What is the difference between ADS7841ESQDBQRQ1 and the other variants? A: ADS7841ESQDBQRQ1 carries AEC-Q100 automotive qualification and operates under stricter moisture sensitivity requirements (MSL 3 vs. MSL 2). All electrical and mechanical parameters remain identical. Use this variant for automotive applications or when automotive-grade reliability is specified.

Q: Are packaging format differences (Cut Tape vs. Bulk) significant for circuit design? A: No. Packaging format affects supply chain logistics and handling only. Electrical performance and PCB mounting characteristics are identical across all variants.

Q: Can these parts be used interchangeably in production? A: Yes, provided application requirements do not mandate automotive qualification. If automotive-grade certification is required, use ADS7841ESQDBQRQ1 exclusively.

Q: What supply voltage configurations are supported? A: All variants support dual supply voltage ranges: 2.7V–3.6V and 5V for both analog and digital supplies. Voltage selection is application-dependent and does not affect part interchangeability.