TS103ACS Equivalent & Substitute Parts

Part Overview

The TS103ACS is a dual operational amplifier manufactured by Taiwan Semiconductor Corporation, designed for general-purpose amplification applications. This surface-mount linear amplifier integrates two independent circuits in a single 8-SOIC package and operates across a wide supply voltage range of 3V to 18V. The device is currently in active production status with substantial inventory availability. Substitute parts become necessary when the TS103ACS reaches end-of-life status, when supply chain constraints occur, or when alternative performance characteristics better suit specific application requirements while maintaining functional compatibility.

Substiute Parts

TS103ACS

Taiwan Semiconductor CorporationIn Stock: 16972TS103ACS Datasheet

Current PartRFQ

TLC27M2CD

Texas InstrumentsIn Stock: 3119TLC27M2CD Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TS103ACS is determined by strict adherence to the following electrical and mechanical parameters:

Primary Compatibility Criteria:

• Dual-circuit configuration (2 independent amplifier circuits)
• 8-SOIC surface-mount package with 0.154" (3.90mm) width
• Minimum supply voltage span of 3V
• Maximum supply voltage span of at least 16V
• Operating temperature range that encompasses or exceeds the application requirement
• RoHS3 compliance and REACH unaffected status

Secondary Performance Parameters:

• Slew rate of 0.5V/µs or greater
• Gain bandwidth product of 635 kHz or greater
• Input bias current of 20nA or lower
• Input offset voltage of 500µV or lower
• Output current per channel of 30mA or greater
• Supply current of 600µA or lower

The TLC27M2CD from Texas Instruments meets all primary compatibility criteria and satisfies secondary performance parameters within acceptable engineering tolerances for general-purpose amplifier applications.

Parameter Comparison

Engineering Selection Recommendations

TS103ACS Selection: The TS103ACS remains the primary choice for new designs and applications requiring active production status. This device offers the widest supply voltage range (3V to 18V maximum) and the broadest operating temperature span (-40°C to 85°C), making it suitable for industrial and extended-temperature applications. Current inventory of 16,928 units supports immediate procurement without lead-time constraints.

TLC27M2CD Selection: The TLC27M2CD is designated as Last Time Buy, indicating limited future availability. This substitute is appropriate for existing designs currently using the TLC27M2CD or for applications where CMOS technology characteristics provide specific advantages. The narrower operating temperature range (0°C to 70°C) and reduced maximum supply voltage (16V) require verification against application specifications. The TLC27M2CD exhibits superior input bias current performance (0.7pA versus 20nA) and lower supply current consumption, beneficial for low-power or high-impedance input applications. Current inventory of 3,100 units is available in Tube packaging.

Compliance Considerations: Both devices maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for commercial and industrial applications. The 8-SOIC package geometry is identical between both parts, enabling direct PCB layout compatibility without redesign.

Frequently Asked Questions (FAQ)

Q: Can the TLC27M2CD directly replace the TS103ACS in existing designs?

A: Direct replacement is possible only when the application operating temperature range does not exceed 0°C to 70°C and the maximum supply voltage requirement does not exceed 16V. The identical 8-SOIC package enables PCB-level compatibility. However, the TLC27M2CD exhibits different electrical characteristics, particularly in input offset voltage (1.1mV versus 500µV) and gain bandwidth product (635kHz versus 1MHz), which may affect circuit performance in precision or high-frequency applications.

Q: What are the key electrical differences between these devices?

A: The TS103ACS provides superior gain bandwidth product (1MHz versus 635kHz) and lower input offset voltage (500µV versus 1.1mV), making it preferable for applications requiring higher frequency response or tighter DC accuracy. The TLC27M2CD offers significantly lower input bias current (0.7pA versus 20nA) and reduced supply current consumption, advantageous for low-power or high-impedance input circuits. The TS103ACS supports a wider supply voltage range (18V maximum versus 16V).

Q: Are there packaging differences between the TS103ACS and TLC27M2CD?

A: Both devices use identical 8-SOIC surface-mount packages with 0.154" (3.90mm) width. The TS103ACS is supplied in Tape & Reel (TR) packaging, while the TLC27M2CD is supplied in Tube packaging. These packaging differences affect handling and automated assembly processes but do not impact electrical performance or PCB compatibility.

Q: What is the significance of the TLC27M2CD Last Time Buy status?

A: Last Time Buy status indicates that Texas Instruments has announced end-of-life for this product. New orders may be accepted for a limited period, but production will cease. Existing inventory is finite. Applications currently using the TLC27M2CD should transition to alternative parts, such as the TS103ACS, to ensure long-term supply chain continuity.

Q: Which device is better for low-power applications?

A: The TLC27M2CD is superior for low-power applications, consuming 285µA per channel (570µA total for dual circuits) compared to the TS103ACS at 600µA total supply current. Additionally, the TLC27M2CD's input bias current of 0.7pA is substantially lower than the TS103ACS at 20nA, reducing power dissipation in high-impedance input stages.

Q: Can the TS103ACS operate at supply voltages above 16V?

A: Yes. The TS103ACS supports supply voltages up to 18V maximum, while the TLC27M2CD is limited to 16V maximum. Applications requiring operation above 16V must use the TS103ACS or select an alternative substitute from the broader device ecosystem.

Q: Are both devices suitable for industrial temperature applications?

A: The TS103ACS operates across -40°C to 85°C, meeting industrial temperature requirements. The TLC27M2CD operates only across 0°C to 70°C, limiting its use to commercial temperature applications. Industrial designs must specify the TS103ACS or verify that the TLC27M2CD's narrower temperature range satisfies the specific application environment.