ADS6442IRGC25 Equivalent & Substitute Parts

Part Overview

The ADS6442IRGC25 is a 14-bit pipelined analog-to-digital converter manufactured by Texas Instruments, designed for high-speed data acquisition applications. This device features 4 differential inputs with simultaneous sampling capability and operates at a 65 MHz sampling rate. The part is classified as obsolete, making identification of active equivalent substitutes essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Resolution (Number of Bits)	14
Sampling Rate	65 MHz
Number of Inputs	4
Input Type	Differential
Data Interface	LVDS - Serial
Architecture	Pipelined
Analog Supply Voltage	3V ~ 3.6V
Digital Supply Voltage	3V ~ 3.6V
Operating Temperature Range	-40°C ~ 85°C
Package Type	64-VQFN (9x9) Exposed Pad
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

The ADS6442IRGCT qualifies as a parametric equivalent to the ADS6442IRGC25 based on strict alignment across all critical electrical and mechanical parameters. Both parts share identical specifications for resolution, sampling rate, input configuration, data interface, supply voltage ranges, operating temperature, and package geometry. The substitution is valid because all allowed parameters for this ADC category match exactly between the main part and the substitute.

The primary distinction between these parts is packaging format: the ADS6442IRGC25 is supplied in individual packaging, while the ADS6442IRGCT is supplied in Cut Tape (CT) and Digi-Reel® format. This difference affects procurement and handling but does not alter electrical or mechanical compatibility. Additionally, the ADS6442IRGCT maintains active product status, whereas the ADS6442IRGC25 is obsolete, making the substitute the preferred selection for new designs and ongoing production.

Parameter Comparison

Parameter	ADS6442IRGC25 (Main Part)	ADS6442IRGCT (Substitute)
Manufacturer	Texas Instruments	Texas Instruments
Resolution	14 Bit	14 Bit
Sampling Rate	65 MHz	65 MHz
Number of Inputs	4	4
Input Type	Differential	Differential
Data Interface	LVDS - Serial	LVDS - Serial
Architecture	Pipelined	Pipelined
Analog Supply Voltage	3V ~ 3.6V	3V ~ 3.6V
Digital Supply Voltage	3V ~ 3.6V	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	64-VQFN (9x9) Exposed Pad	64-VQFN (9x9) Exposed Pad
Mounting Type	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active
Packaging Format	Individual	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

The ADS6442IRGCT is the recommended substitute for the obsolete ADS6442IRGC25. Both parts maintain identical electrical specifications and physical package dimensions, ensuring direct compatibility in existing circuit designs without modification to PCB layouts or signal routing.

Selection of the ADS6442IRGCT is supported by its active product status with Texas Instruments, ensuring long-term availability and manufacturing continuity. Both parts carry ROHS3 compliance and identical MSL ratings, confirming equivalent environmental and regulatory standing.

The packaging format difference (Cut Tape & Digi-Reel® versus individual packaging) does not affect electrical performance or mechanical fit. This distinction is purely a procurement and handling consideration. Organizations transitioning from the obsolete ADS6442IRGC25 should adopt the ADS6442IRGCT without requiring design changes or additional qualification testing.

Frequently Asked Questions (FAQ)

Q: Can the ADS6442IRGCT be used as a direct replacement for the ADS6442IRGC25 on existing PCBs?

A: Yes. Both parts use the identical 64-VQFN (9x9) package with exposed pad and share all electrical specifications. No PCB modifications are required.

Q: What is the difference between the ADS6442IRGC25 and ADS6442IRGCT?

A: The primary difference is packaging format. The ADS6442IRGC25 is supplied in individual packaging, while the ADS6442IRGCT is supplied in Cut Tape (CT) and Digi-Reel® format. Electrical and mechanical specifications are identical.

Q: Why is the ADS6442IRGC25 listed as obsolete?

A: The ADS6442IRGC25 has reached end-of-life status with Texas Instruments. The ADS6442IRGCT remains in active production and is the recommended alternative for new designs and ongoing procurement.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts maintain ROHS3 compliance, identical MSL ratings of 3 (168 Hours), and equivalent REACH and ECCN classifications.

Q: What supply voltage range does the ADS6442IRGCT support?

A: Both analog and digital supplies operate within the 3V to 3.6V range, matching the ADS6442IRGC25 specification.

Q: Is the ADS6442IRGCT suitable for the full operating temperature range of -40°C to 85°C?

A: Yes. The ADS6442IRGCT maintains the identical operating temperature range as the ADS6442IRGC25.

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