TLV2473IN Equivalent & Substitute Parts

Part Overview

The TLV2473IN is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, housed in a 14-DIP through-hole package. This device features rail-to-rail output capability, making it suitable for low-voltage analog signal processing applications. The TLV2473IN is designated as Last Time Buy, indicating discontinued production status. Identifying equivalent substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications currently utilizing this component.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Slew Rate	1.5	V/µs
Gain Bandwidth Product	2.8	MHz
Current - Input Bias	2.5	pA
Voltage - Input Offset	250	µV
Current - Supply (per Channel)	600	µA
Current - Output / Channel	35	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	6	V
Operating Temperature Range	-40 to 125	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the TLV2473IN is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Amplifier Type: CMOS
Number of Circuits: 2 channels
Output Type: Rail-to-Rail
Slew Rate: 1.5 V/µs
Gain Bandwidth Product: 2.8 MHz
Current - Input Bias: 2.5 pA
Voltage - Input Offset: 250 µV
Current - Supply: 600 µA (x2 Channels)
Current - Output / Channel: 35 mA
Voltage - Supply Span: 2.7 V to 6 V
Operating Temperature Range: -40°C to 125°C

Mechanical Compatibility Criteria:

Base Product Number: TLV2473
Package compatibility (through-hole or surface-mount variants of the same base product)

The substitute part TLV2473IDGQR maintains identical electrical specifications while differing in packaging format (surface-mount 10-HVSSOP versus through-hole 14-DIP) and product status (Active versus Last Time Buy).

Parameter Comparison

Parameter	TLV2473IN (14-DIP)	TLV2473IDGQR (10-HVSSOP)	Match
Manufacturer	Texas Instruments	Texas Instruments	✓
Base Product Number	TLV2473	TLV2473	✓
Amplifier Type	CMOS	CMOS	✓
Number of Circuits	2	2	✓
Output Type	Rail-to-Rail	Rail-to-Rail	✓
Slew Rate	1.5 V/µs	1.5 V/µs	✓
Gain Bandwidth Product	2.8 MHz	2.8 MHz	✓
Current - Input Bias	2.5 pA	2.5 pA	✓
Voltage - Input Offset	250 µV	250 µV	✓
Current - Supply (x2 Channels)	600 µA	600 µA	✓
Current - Output / Channel	35 mA	35 mA	✓
Voltage - Supply Span (Min)	2.7 V	2.7 V	✓
Voltage - Supply Span (Max)	6 V	6 V	✓
Operating Temperature	-40°C to 125°C	-40°C to 125°C	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
Mounting Type	Through Hole	Surface Mount	Different
Package / Case	14-DIP (0.300", 7.62mm)	10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)	Different
Product Status	Last Time Buy	Active	Different
Qualification	—	AEC-Q100	Different

Engineering Selection Recommendations

Electrical Compatibility: The TLV2473IDGQR is electrically equivalent to the TLV2473IN across all specified parameters. Both devices share identical CMOS amplifier characteristics, dual-channel configuration, rail-to-rail output capability, and operating specifications within the -40°C to 125°C temperature range.

Product Status Consideration: The TLV2473IN is designated Last Time Buy, indicating end-of-life status. The TLV2473IDGQR maintains Active product status, ensuring continued availability and long-term supply chain support.

Compliance and Certification: Both parts are ROHS3 Compliant and REACH Unaffected. The TLV2473IDGQR carries AEC-Q100 automotive qualification, providing additional reliability assurance for applications requiring automotive-grade components.

Packaging Differences: The primary distinction between these parts is packaging format. The TLV2473IN uses through-hole 14-DIP mounting, while the TLV2473IDGQR uses surface-mount 10-HVSSOP packaging. This difference requires PCB redesign and assembly process modification. Selection depends on manufacturing capability and board layout requirements.

Frequently Asked Questions (FAQ)

Q: Are the TLV2473IN and TLV2473IDGQR electrically interchangeable?

A: Yes. Both devices are manufactured by Texas Instruments using the same base product number (TLV2473) and maintain identical electrical specifications across all critical parameters: CMOS amplifier type, dual-channel configuration, rail-to-rail output, 1.5 V/µs slew rate, 2.8 MHz gain bandwidth product, and -40°C to 125°C operating temperature range.

Q: What is the primary difference between these two parts?

A: The primary difference is packaging format. The TLV2473IN is a through-hole 14-DIP package, while the TLV2473IDGQR is a surface-mount 10-HVSSOP package. This difference affects PCB layout, assembly process, and board real estate requirements.

Q: Can I use the TLV2473IDGQR as a direct replacement for the TLV2473IN without circuit modification?

A: Electrical substitution is valid without circuit modification. However, PCB redesign is required due to different package formats and pin configurations. The through-hole 14-DIP and surface-mount 10-HVSSOP packages have different physical dimensions and pinout arrangements.

Q: Why is the TLV2473IN marked as Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of this part number. The TLV2473IDGQR, with Active product status, represents the current manufacturing option for this device family.

Q: Does the TLV2473IDGQR have additional certifications?

A: Yes. The TLV2473IDGQR carries AEC-Q100 automotive qualification, indicating compliance with automotive reliability standards. The TLV2473IN does not list this qualification.

Q: Are both parts RoHS compliant?

A: Yes. Both the TLV2473IN and TLV2473IDGQR are ROHS3 Compliant and REACH Unaffected.

Q: What is the moisture sensitivity level of the TLV2473IDGQR?

A: The TLV2473IDGQR has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating minimal moisture sensitivity and simplified handling requirements.

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