TLC2274CPWRG4 Equivalent & Substitute Parts

Part Overview

The TLC2274CPWRG4 is a general-purpose operational amplifier featuring four independent circuits in a 14-TSSOP surface-mount package. This device delivers rail-to-rail output capability with a slew rate of 3.6 V/µs and a gain bandwidth product of 2.25 MHz, suitable for low-power analog signal processing applications across industrial and consumer electronics.

The TLC2274CPWRG4 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support long-term product availability for existing applications and new designs requiring compatible performance characteristics.

Substiute Parts

TLC2274CPWRG4

Texas InstrumentsIn Stock: 3991TLC2274CPWRG4 Datasheet

Current PartRFQ

TLC2274CDR

Texas InstrumentsIn Stock: 20819TLC2274CDR Datasheet

MFR RecommendedRFQ

AD8668WARUZ-RL

Analog Devices Inc.In Stock: 875AD8668WARUZ-RL Datasheet

MFR RecommendedRFQ

MCP6H04T-E/ST

Microchip TechnologyIn Stock: 3828MCP6H04T-E/ST Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC2274CPWRG4 is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

• Amplifier type (general purpose)
• Number of circuits (4 independent channels)
• Output type (rail-to-rail)
• Supply voltage range (minimum 4.4 V, maximum 16 V)
• Operating temperature range (0°C to 70°C minimum)
• Slew rate and gain bandwidth product (performance envelope)
• Input bias current and input offset voltage (signal integrity)
• Output current capability per channel (50 mA minimum)

Mechanical Compatibility Criteria:

• Package type (14-TSSOP surface mount)
• Pin count and footprint (14-pin TSSOP)
• Mounting technology (surface mount)

Compliance Criteria:

• RoHS3 compliance
• MSL rating (1 - Unlimited)

Substitute parts must satisfy all electrical parameters within the specified ranges and maintain identical mechanical packaging to ensure direct board-level compatibility without redesign.

Parameter Comparison

Engineering Selection Recommendations

TLC2274CDR (Texas Instruments)

The TLC2274CDR is the manufacturer-recommended substitute for the TLC2274CPWRG4. Both devices share identical electrical specifications including slew rate (3.6 V/µs), gain bandwidth product (2.25 MHz), input bias current (1 pA), and input offset voltage (300 µV). The TLC2274CDR maintains active product status and full ROHS3 compliance. The primary difference is packaging: TLC2274CDR uses 14-SOIC format instead of 14-TSSOP. This substitution requires PCB layout modification to accommodate the different package footprint but provides superior supply chain availability with 20,800 units in stock.

AD8668WARUZ-RL (Analog Devices Inc.)

The AD8668WARUZ-RL maintains identical 14-TSSOP packaging and offers enhanced electrical performance characteristics. It delivers higher gain bandwidth product (4 MHz versus 2.25 MHz), superior input bias current (0.2 pA versus 1 pA), and increased output current capability (140 mA per channel versus 50 mA). The AD8668WARUZ-RL supports extended operating temperature range (-40°C to 125°C) and requires minimum supply voltage of 5 V (versus 4.4 V). This device is suitable for applications requiring higher bandwidth and output drive capability. Active product status and ROHS3 compliance are confirmed.

MCP6H04T-E/ST (Microchip Technology)

The MCP6H04T-E/ST provides 14-TSSOP packaging compatibility and extended operating temperature range (-40°C to 125°C). This device features significantly lower supply current consumption (135 µA total versus 4.8 mA), making it suitable for battery-powered and low-power applications. The MCP6H04T-E/ST operates at reduced slew rate (0.8 V/µs) and gain bandwidth product (1.2 MHz), with higher input offset voltage (700 µV). Minimum supply voltage is 3.5 V, enabling operation in lower-voltage systems. Active product status and ROHS3 compliance are confirmed.

All substitute parts maintain ROHS3 compliance and MSL rating 1 (Unlimited), ensuring regulatory and environmental compatibility with the original TLC2274CPWRG4 specification.

Frequently Asked Questions (FAQ)

Q: Can the TLC2274CDR directly replace the TLC2274CPWRG4 on the same PCB?

A: The TLC2274CDR shares identical electrical specifications but uses 14-SOIC packaging instead of 14-TSSOP. Direct PCB substitution is not possible without layout modification. The pin pitch and footprint differ between SOIC and TSSOP packages. PCB redesign is required to accommodate the TLC2274CDR footprint.

Q: What are the key differences between the AD8668WARUZ-RL and the original TLC2274CPWRG4?

A: The AD8668WARUZ-RL maintains 14-TSSOP packaging for direct PCB compatibility. Electrical differences include higher gain bandwidth product (4 MHz versus 2.25 MHz), lower input bias current (0.2 pA versus 1 pA), higher output current per channel (140 mA versus 50 mA), and extended operating temperature range (-40°C to 125°C versus 0°C to 70°C). Minimum supply voltage is 5 V instead of 4.4 V.

Q: Is the MCP6H04T-E/ST suitable for high-speed signal processing applications?

A: The MCP6H04T-E/ST is optimized for low-power operation with slew rate of 0.8 V/µs and gain bandwidth product of 1.2 MHz. These specifications are lower than the TLC2274CPWRG4 (3.6 V/µs slew rate, 2.25 MHz bandwidth). The MCP6H04T-E/ST is suitable for low-frequency, low-power applications but not recommended for high-speed signal processing requiring the original device's performance envelope.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The TLC2274CDR, AD8668WARUZ-RL, and MCP6H04T-E/ST are all ROHS3 compliant with MSL rating 1 (Unlimited), matching the original TLC2274CPWRG4 compliance status.

Q: Which substitute part offers the best supply chain availability?

A: The TLC2274CDR offers the highest inventory level with 20,800 units in stock, compared to 845 units for AD8668WARUZ-RL and 3,800 units for MCP6H04T-E/ST. However, TLC2274CDR requires PCB redesign due to package differences.

Q: Can the AD8668WARUZ-RL be used in applications with supply voltage below 5 V?

A: No. The AD8668WARUZ-RL requires minimum supply voltage of 5 V. The original TLC2274CPWRG4 and MCP6H04T-E/ST support lower minimum supply voltages (4.4 V and 3.5 V respectively). Applications operating below 5 V supply voltage cannot use the AD8668WARUZ-RL.

Q: What is the primary advantage of the MCP6H04T-E/ST for battery-powered designs?

A: The MCP6H04T-E/ST consumes only 135 µA total supply current (x4 channels), compared to 4.8 mA for the TLC2274CPWRG4. This 35-fold reduction in supply current consumption significantly extends battery life in portable and remote sensing applications. The device also operates at minimum supply voltage of 3.5 V, enabling use in low-voltage battery systems.

Q: Are pin assignments identical across all substitute parts?

A: The TLC2274CDR, AD8668WARUZ-RL, and MCP6H04T-E/ST all feature 14-pin configurations with identical pin assignments for the four operational amplifier circuits. However, TLC2274CDR uses 14-SOIC packaging while AD8668WARUZ-RL and MCP6H04T-E/ST use 14-TSSOP packaging. Physical footprints differ between SOIC and TSSOP, requiring PCB layout verification before substitution.