ADS6445IRGC25 Equivalent & Substitute Parts

Part Overview

The ADS6445IRGC25 is a 14-bit pipelined analog-to-digital converter manufactured by Texas Instruments, designed for high-speed data acquisition applications. This device features four differential input channels with simultaneous sampling capability and operates at a 125 MHz sampling rate. The part is classified as obsolete, making identification of active equivalent alternatives essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Resolution (Bits)	14
Sampling Rate	125 MHz
Number of Input Channels	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	64-VQFN (9x9)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution of the ADS6445IRGC25 is determined by strict equivalence across the following core parameters: 14-bit resolution, 125 MHz sampling rate, four differential input channels, pipelined architecture, LVDS serial data interface, 3V to 3.6V dual supply operation, and 64-VQFN package format. All identified substitutes maintain these electrical and mechanical specifications. Differences in packaging format (bulk, cut tape, or tape & reel), product status (active vs. obsolete), and operating temperature range represent the primary distinctions among equivalent parts.

Parameter Comparison

Parameter	ADS6445IRGC25	ADS6445IRGCR	ADS6445IRGCT	ADS6445MRGCTEP
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Resolution (Bits)	14	14	14	14
Sampling Rate (MHz)	125	125	125	125
Input Channels	4	4	4	4
Input Type	Differential	Differential	Differential	Differential
Data Interface	LVDS - Serial	LVDS - Serial	LVDS - Serial	LVDS - Serial
Architecture	Pipelined	Pipelined	Pipelined	Pipelined
Analog Supply (V)	3.0 ~ 3.6	3.0 ~ 3.6	3.0 ~ 3.6	3.0 ~ 3.6
Digital Supply (V)	3.0 ~ 3.6	3.0 ~ 3.6	3.0 ~ 3.6	3.0 ~ 3.6
Operating Temperature (°C)	-40 ~ 85	-40 ~ 85	-40 ~ 85	-55 ~ 125
Package	64-VQFN (9x9)	64-VQFN (9x9)	64-VQFN (9x9)	64-VQFN (9x9)
Product Status	Obsolete	Active	Active	Active
Packaging Format	Standard	Bulk	Cut Tape & Digi-Reel	Tape & Reel
RoHS Status	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For applications currently using the obsolete ADS6445IRGC25, the ADS6445IRGCT and ADS6445MRGCTEP are the primary active alternatives. Both maintain full electrical equivalence and ROHS3 compliance. The ADS6445IRGCT operates within the standard industrial temperature range (-40°C to 85°C) and is available in cut tape and digi-reel packaging. The ADS6445MRGCTEP extends the operating temperature range to -55°C to 125°C, suitable for military and extended-temperature applications, and is supplied in tape & reel format. The ADS6445IRGCR remains active but is supplied in bulk packaging, which may require additional handling and reeling for automated assembly processes. Selection should be based on procurement requirements, packaging format compatibility with assembly equipment, and temperature range specifications for the target application.

Frequently Asked Questions (FAQ)

Q: Can ADS6445IRGCR be used as a direct replacement for ADS6445IRGC25?

A: Yes, the ADS6445IRGCR is electrically equivalent across all core parameters: 14-bit resolution, 125 MHz sampling rate, four differential channels, pipelined architecture, and LVDS serial interface. The primary difference is packaging format—ADS6445IRGCR is supplied in bulk, while ADS6445IRGC25 uses standard packaging. Compatibility depends on your assembly process requirements.

Q: What is the difference between ADS6445IRGCT and ADS6445MRGCTEP?

A: Both parts are electrically identical in resolution, sampling rate, channel count, and interface specifications. The key distinction is operating temperature range: ADS6445IRGCT operates from -40°C to 85°C (industrial range), while ADS6445MRGCTEP operates from -55°C to 125°C (extended military range). Select based on your application's thermal requirements.

Q: Are all substitutes ROHS3 compliant?

A: ADS6445IRGCT and ADS6445MRGCTEP are explicitly ROHS3 compliant. ADS6445IRGCR compliance status is not specified in available documentation. Verify RoHS compliance requirements with your procurement or quality department before selection.

Q: Does packaging format affect electrical performance?

A: No. Bulk, cut tape, and tape & reel packaging formats are logistics and assembly considerations only. All formats contain electrically identical die and deliver the same functional performance. Selection should be based on your manufacturing equipment compatibility and supply chain requirements.

Q: Can I use ADS6445MRGCTEP in a standard industrial temperature application?

A: Yes. ADS6445MRGCTEP's extended temperature range (-55°C to 125°C) encompasses the standard industrial range (-40°C to 85°C). It is a valid substitute for any application within the standard range, though it may carry different pricing or lead time implications.

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