TLV2422CD Equivalent & Substitute Parts

Part Overview

The TLV2422CD is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface-mount package. This device is classified as a Last Time Buy product, indicating discontinued production with limited remaining inventory (736 pcs). The TLV2422CD operates as a rail-to-rail output amplifier suitable for low-power applications requiring dual-channel amplification in compact form factors.

Substitute parts are necessary due to the Last Time Buy status of the TLV2422CD. Alternative devices with equivalent functional specifications and compatible packaging enable continued system design and production without supply interruption.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	10	V
Operating Temperature	0 to 70	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLV2422CD is determined by strict adherence to the following allowed parameters:

Primary Compatibility Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Amplifier Type: General Purpose
Number of Circuits: 2
Output Type: Rail-to-Rail
Mounting Type: Surface Mount
Voltage - Supply Span (Min): 2.7 V minimum
Voltage - Supply Span (Max): 10 V or greater

Secondary Compatibility Criteria:

RoHS3 Compliance
MSL Level 1 (Unlimited)
REACH Unaffected status

Substitute parts must satisfy all primary criteria. Parts with extended operating temperature ranges, higher supply voltage maximums, or improved electrical performance characteristics remain compatible when package and functional specifications align.

Parameter Comparison

Parameter	TLV2422CD	TLV9102IDR	AD8529ARZ	TS922IDT	TS922IYDT
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	STMicroelectronics	STMicroelectronics
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.02	4.5	2.9	1.3	1.3
Gain Bandwidth Product (MHz)	5.3	1.1	8	4	4
Current - Input Bias (pA/nA)	1 pA	10 pA	300 nA	15 nA	15 nA
Voltage - Input Offset (µV/mV)	300 µV	300 µV	600 µV	3 mV	3 mV
Current - Supply (µA/mA)	100 µA (x2)	115 µA (x2)	600 µA (x2)	2 mA	2 mA
Current - Output / Channel (mA)	50	80	25	80	80
Voltage - Supply Span (Min)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Voltage - Supply Span (Max)	10 V	16 V	12 V	12 V	12 V
Operating Temperature	0 to 70°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Last Time Buy	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

TLV9102IDR (Texas Instruments)

The TLV9102IDR is an active product with extended operating temperature range (-40 to 125°C) and higher maximum supply voltage (16 V). This device maintains compatibility with the TLV2422CD through identical package specification and dual rail-to-rail output configuration. The TLV9102IDR is available in Cut Tape & Digi-Reel packaging with 125,096 pcs in stock, providing superior supply continuity compared to the Last Time Buy TLV2422CD.

AD8529ARZ / AD8529ARZ-REEL (Analog Devices Inc.)

The AD8529 series offers the highest gain bandwidth product (8 MHz) among available substitutes, with extended operating temperature range and ROHS3 compliance. Both tube and reel packaging options are available with combined inventory exceeding 7,000 pcs. The AD8529ARZ is suitable for applications requiring higher frequency response while maintaining 8-SOIC package compatibility.

TS922IDT / TS922IYDT / TS922ID (STMicroelectronics)

The TS922 series devices are automotive-qualified (AEC-Q100) with active product status. These parts feature identical dual-circuit, rail-to-rail configuration in 8-SOIC packaging. The TS922IDT and TS922IYDT variants are available in Cut Tape & Digi-Reel packaging with combined inventory of 150,700 pcs. The TS922ID is available in tube packaging with 18,832 pcs in stock. All TS922 variants maintain ROHS3 compliance and MSL Level 1 rating.

Selection Basis:

All recommended substitutes satisfy the mandatory compatibility criteria: 8-SOIC package, dual general-purpose amplifier configuration, rail-to-rail output, 2.7 V minimum supply voltage, and ROHS3 compliance. Selection among these alternatives depends on application-specific requirements for operating temperature range, supply voltage maximum, and inventory availability. All substitute parts are active products with established supply chains, eliminating the supply risk associated with the Last Time Buy TLV2422CD.

Frequently Asked Questions (FAQ)

Q: Can the TLV9102IDR directly replace the TLV2422CD in existing designs?

A: The TLV9102IDR is package-compatible (8-SOIC) and functionally equivalent as a dual general-purpose rail-to-rail amplifier. Both devices operate from 2.7 V minimum supply voltage. The TLV9102IDR supports higher maximum supply voltage (16 V vs. 10 V) and extended operating temperature range (-40 to 125°C vs. 0 to 70°C). Pin-level compatibility must be verified against the specific application schematic.

Q: What is the primary difference between AD8529ARZ and AD8529ARZ-REEL?

A: Both variants are electrically identical with identical electrical specifications. The difference is packaging format: AD8529ARZ is supplied in tube packaging, while AD8529ARZ-REEL is supplied in Cut Tape & Digi-Reel format. Selection depends on assembly process requirements and volume needs.

Q: Are the TS922 variants (TS922ID, TS922IDT, TS922IYDT) interchangeable?

A: All TS922 variants share identical electrical specifications and 8-SOIC package configuration. The differences are packaging format: TS922ID is tube packaging, TS922IDT and TS922IYDT are Cut Tape & Digi-Reel packaging. All three variants are automotive-qualified (AEC-Q100). Selection depends on assembly process and volume requirements.

Q: Why does the TLV2422CD have a lower slew rate (0.02 V/µs) compared to substitutes?

A: The TLV2422CD specifications are provided as documented. Substitute selection should prioritize package compatibility, dual-circuit configuration, rail-to-rail output, and supply voltage range alignment. Application-specific performance requirements determine whether higher slew rate characteristics of substitute devices are beneficial or irrelevant.

Q: Is the 8-SOIC package footprint identical across all substitute parts?

A: All substitute parts specified in this document use the 8-SOIC package with 0.154" (3.90mm) width. PCB footprints are mechanically compatible. Pin assignments must be verified against individual device datasheets to ensure functional compatibility.

Q: What is the significance of ROHS3 compliance and MSL Level 1 rating?

A: ROHS3 compliance indicates the device meets Restriction of Hazardous Substances Directive requirements, confirming lead-free construction and environmental compliance. MSL Level 1 (Unlimited) indicates the device has unlimited shelf life without moisture baking requirements, simplifying inventory management and reducing handling constraints.

Q: Can I use TS922 automotive-qualified devices in non-automotive applications?

A: Automotive-qualified devices (AEC-Q100) meet stringent reliability and testing standards that exceed standard industrial requirements. These devices are fully functional in non-automotive applications and provide enhanced reliability margins. Automotive qualification does not restrict use in other applications.

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