TLC27L4ING4 Equivalent & Substitute Parts

Part Overview

The TLC27L4ING4 is a CMOS Amplifier integrated circuit containing 4 operational amplifier circuits in a 14-PDIP package. Manufactured by Texas Instruments under the LinCMOS™ series, this component is classified as Obsolete. The TLC27L4ING4 operates across a wide supply voltage range of 4V to 16V and is designed for low-power applications with a maximum supply current of 57µA across all four channels.

Due to its obsolete product status, locating new original inventory of the TLC27L4ING4 becomes increasingly difficult. Identifying equivalent and substitute parts with compatible electrical and mechanical specifications is essential for design continuity and production planning. Substitute parts must maintain functional equivalence through matching package type, pin configuration, amplifier circuit count, and critical electrical parameters within acceptable tolerances.

Substiute Parts

TLC27L4ING4

Texas InstrumentsIn Stock: 760TLC27L4ING4 Datasheet

Current PartRFQ

TLC27L4IN

Texas InstrumentsIn Stock: 3123TLC27L4IN Datasheet

MFR RecommendedRFQ

NJU7004D#

Nisshinbo Micro Devices Inc.In Stock: 1010NJU7004D# Datasheet

MFR RecommendedRFQ

NJU7024D#

Nisshinbo Micro Devices Inc.In Stock: 715NJU7024D# Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC27L4ING4 is determined by strict adherence to the following criteria:

Primary Substitution Criteria:

• Amplifier Type: CMOS
• Number of Circuits: 4
• Package / Case: 14-DIP (0.300", 7.62mm)
• Mounting Type: Through Hole
• Pin Configuration: 14-PDIP compatible

Secondary Compatibility Parameters:

• Slew Rate: 0.05 V/µs (minimum acceptable)
• Gain Bandwidth Product: 110 kHz (minimum acceptable)
• Current - Input Bias: ≤ 0.7 pA (lower is acceptable)
• Voltage - Input Offset: ≤ 1.1 mV (lower is acceptable)
• Current - Supply: ≤ 57 µA (lower is acceptable)
• Current - Output / Channel: ≥ 30 mA (higher is acceptable)
• Voltage - Supply Span: 4V to 16V operating range (minimum overlap required)
• Operating Temperature: -40°C to 85°C (minimum overlap required)

Substitute parts are grouped based on their ability to meet or exceed these parameters while maintaining identical package and pin compatibility. Parts that deviate from these specifications are listed with notation of parameter differences.

Parameter Comparison

Engineering Selection Recommendations

TLC27L4IN (Texas Instruments)

The TLC27L4IN is the direct active-production equivalent of the TLC27L4ING4. This part maintains identical electrical specifications across all measured parameters: 0.05 V/µs slew rate, 110 kHz gain bandwidth product, 0.7 pA input bias current, 1.1 mV input offset voltage, and 57 µA supply current. The TLC27L4IN operates across the same 4V to 16V supply range and -40°C to 85°C temperature range. Both parts share the 14-DIP package configuration and ROHS3 compliance status. The primary distinction is product status: TLC27L4IN is Active with 3080 units in stock, whereas TLC27L4ING4 is Obsolete. The TLC27L4IN is packaged in Tube format. This part is the preferred substitute for direct replacement applications requiring identical performance characteristics.

NJU7004D# (Nisshinbo Micro Devices Inc.)

The NJU7004D# is a CMOS 4-circuit amplifier in 14-DIP package compatible with the TLC27L4ING4 pinout. This part maintains the same 0.05 V/µs slew rate and 30 mA output current per channel. The gain bandwidth product is 100 kHz, which is within acceptable tolerance of the 110 kHz specification. Input bias current is 1 pA (higher than 0.7 pA) and input offset voltage is 10 mV (higher than 1.1 mV). Supply current is significantly lower at 15 µA compared to 57 µA. The minimum supply voltage is 1V, providing extended low-voltage capability. Operating temperature range is -20°C to 75°C, which is narrower than the TLC27L4ING4. The NJU7004D# is Active with 904 units in stock and RoHS Compliant. This part is suitable for applications where lower supply current is beneficial and the narrower temperature range is acceptable.

NJU7024D# (Nisshinbo Micro Devices Inc.)

The NJU7024D# is a CMOS 4-circuit amplifier in 14-DIP package with enhanced performance characteristics. This part features a 0.4 V/µs slew rate (8× faster than TLC27L4ING4) and 400 kHz gain bandwidth product (3.6× higher). Input bias current is 1 pA and input offset voltage is 10 mV. Supply current is 150 µA (2.6× higher than TLC27L4ING4). The minimum supply voltage is 3V, and maximum is 16V. Operating temperature range is -20°C to 75°C. The NJU7024D# is Active with 652 units in stock and RoHS Compliant. This part is suitable for applications requiring higher bandwidth and faster slew rate performance, with the trade-off of increased power consumption and narrower temperature operating range.

Frequently Asked Questions (FAQ)

Q: Can TLC27L4IN be used as a direct replacement for TLC27L4ING4?

A: Yes. The TLC27L4IN is electrically and mechanically identical to the TLC27L4ING4. Both parts have identical slew rate (0.05 V/µs), gain bandwidth product (110 kHz), input bias current (0.7 pA), input offset voltage (1.1 mV), supply current (57 µA), and operating temperature range (-40°C to 85°C). Both use the 14-DIP package. The primary difference is that TLC27L4IN is in Active production status with higher inventory availability.

Q: What are the key differences between NJU7004D# and NJU7024D#?

A: Both are Nisshinbo CMOS 4-circuit amplifiers in 14-DIP packages. The NJU7024D# has significantly higher performance: 0.4 V/µs slew rate versus 0.05 V/µs, and 400 kHz gain bandwidth product versus 100 kHz. The NJU7024D# consumes 150 µA supply current compared to 15 µA for NJU7004D#. The NJU7004D# operates from 1V minimum supply voltage, while NJU7024D# requires 3V minimum. Both have identical input bias current (1 pA) and input offset voltage (10 mV), and both operate across -20°C to 75°C temperature range.

Q: Are all substitute parts compatible with the same PCB layout?

A: Yes. All substitute parts use the 14-DIP (0.300", 7.62mm) package with identical pin configuration. PCB layouts designed for TLC27L4ING4 will accommodate TLC27L4IN, NJU7004D#, and NJU7024D# without modification. All parts are through-hole mounted components.

Q: Which substitute part should I select for low-power applications?

A: The NJU7004D# is the lowest-power option with 15 µA supply current, compared to 57 µA for TLC27L4ING4 and TLC27L4IN, and 150 µA for NJU7024D#. The NJU7004D# also operates from a minimum supply voltage of 1V, providing extended low-voltage capability.

Q: Which substitute part should I select for high-speed applications?

A: The NJU7024D# provides the highest performance with 0.4 V/µs slew rate and 400 kHz gain bandwidth product, compared to 0.05 V/µs and 110 kHz for the TLC27L4ING4. This represents an 8× improvement in slew rate and 3.6× improvement in bandwidth. The trade-off is increased supply current (150 µA) and narrower operating temperature range (-20°C to 75°C).

Q: What is the impact of different input offset voltages across substitute parts?

A: The TLC27L4ING4 and TLC27L4IN specify 1.1 mV input offset voltage, while both Nisshinbo parts (NJU7004D# and NJU7024D#) specify 10 mV. This 9 mV difference may be significant in precision analog applications requiring low offset voltage. For general-purpose amplification, this difference is typically acceptable.

Q: Are all substitute parts RoHS compliant?

A: Yes. The TLC27L4ING4 is ROHS3 Compliant. The TLC27L4IN is also ROHS3 Compliant. The NJU7004D# and NJU7024D# are RoHS Compliant. All parts meet environmental compliance requirements.

Q: What is the operating temperature consideration when selecting a substitute?

A: The TLC27L4ING4 and TLC27L4IN operate across -40°C to 85°C. Both Nisshinbo substitutes (NJU7004D# and NJU7024D#) operate across -20°C to 75°C, which is a narrower range. If your application requires operation below -20°C or above 75°C, the TLC27L4IN is the only suitable substitute.