TLE2141ACP Equivalent & Substitute Parts

Part Overview

The TLE2141ACP is a general-purpose operational amplifier manufactured by Texas Instruments in the Excalibur™ series. This device is a single-circuit, 8-PDIP through-hole package operational amplifier designed for general-purpose signal conditioning and amplification applications. The TLE2141ACP is currently in Last Time Buy status, indicating that production has been discontinued and existing inventory represents the final availability from the manufacturer. Identifying equivalent and substitute parts is necessary to ensure design continuity and long-term component availability for new production runs and system redesigns.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	TLE2141ACP	—
Manufacturer	Texas Instruments	—
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Package / Case	8-DIP (0.300", 7.62mm)	—
Mounting Type	Through Hole	—
Slew Rate	45	V/µs
Gain Bandwidth Product	5.9	MHz
Current - Input Bias	700	nA
Voltage - Input Offset	175	µV
Current - Supply	3.5	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	4	V
Voltage - Supply Span (Max)	44	V
Operating Temperature	0°C ~ 70°C	—
RoHS Status	ROHS3 Compliant	—
Product Status	Last Time Buy	—

Substitute Part Grouping Explanation

Substitution of the TLE2141ACP is determined by the following critical parameters:

Electrical Compatibility Criteria:

Amplifier type (general-purpose vs. J-FET input stage)
Slew rate and gain bandwidth product
Input bias current and input offset voltage
Supply voltage range compatibility
Output current capability
Operating temperature range

Mechanical Compatibility Criteria:

Package type (8-DIP through-hole vs. surface-mount alternatives)
Pin count and pinout configuration
Physical dimensions

Regulatory & Compliance Criteria:

RoHS3 compliance status
REACH compliance status

Substitute parts are grouped into two categories:

Category 1: Direct Package Equivalent (Same Mounting Type) Parts maintaining 8-DIP through-hole packaging with compatible electrical specifications.

Category 2: Functional Equivalent with Alternative Packaging Parts with equivalent electrical performance but different package types (surface-mount), suitable for design migration scenarios.

Parameter Comparison

Parameter	TLE2141ACP	TLE2141AIDR	AD711KNZ	LT1055CN8#PBF	LT1056CN8#PBF
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	General Purpose	General Purpose	J-FET	J-FET	J-FET
Package / Case	8-DIP (0.300", 7.62mm)	8-SOIC (0.154", 3.90mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Surface Mount	Through Hole	Through Hole	Through Hole
Slew Rate (V/µs)	45	45	20	12	14
Gain Bandwidth Product (MHz)	5.9	5.9	4	4.5	5.5
Current - Input Bias (nA)	700	700	15	30	30
Voltage - Input Offset (µV)	175	175	200	120	140
Current - Supply (mA)	3.5	3.5	2.5	2.8	5
Current - Output / Channel (mA)	50	50	25	—	—
Voltage - Supply Span (Min) (V)	4	4	9	10	10
Voltage - Supply Span (Max) (V)	44	44	36	36	36
Operating Temperature (°C)	0 ~ 70	-40 ~ 105	0 ~ 70	0 ~ 70	0 ~ 70
Product Status	Last Time Buy	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

TLE2141AIDR (Texas Instruments)

The TLE2141AIDR is the manufacturer-recommended equivalent from Texas Instruments. This part maintains identical electrical specifications to the TLE2141ACP, including slew rate (45 V/µs), gain bandwidth product (5.9 MHz), input bias current (700 nA), and input offset voltage (175 µV). The primary difference is packaging: TLE2141AIDR uses 8-SOIC surface-mount packaging instead of 8-DIP through-hole. This part is in Active product status with extended operating temperature range (-40°C to 105°C) and is suitable for new designs requiring surface-mount assembly. RoHS3 compliance and REACH unaffected status are maintained.

AD711KNZ (Analog Devices Inc.)

The AD711KNZ is a J-FET input operational amplifier in 8-DIP through-hole packaging, maintaining the same physical form factor as the TLE2141ACP. This part features significantly lower input bias current (15 pA vs. 700 nA), making it suitable for high-impedance input applications. However, slew rate is reduced to 20 V/µs and gain bandwidth product is 4 MHz. Supply voltage range is restricted to 9–36 V, which is narrower than the TLE2141ACP (4–44 V). This part is in Active product status and is RoHS3 compliant.

LT1055CN8#PBF (Analog Devices Inc.)

The LT1055CN8#PBF is a J-FET input operational amplifier in 8-DIP through-hole packaging. This part offers the lowest input offset voltage (120 µV) among the substitutes and very low input bias current (30 pA). Slew rate is 12 V/µs and gain bandwidth product is 4.5 MHz. Supply voltage range is 10–36 V. This part is in Active product status and is RoHS3 compliant.

LT1056CN8#PBF (Analog Devices Inc.)

The LT1056CN8#PBF is a J-FET input operational amplifier in 8-DIP through-hole packaging with slew rate of 14 V/µs and gain bandwidth product of 5.5 MHz, closely matching the TLE2141ACP performance. Input bias current is 30 pA and input offset voltage is 140 µV. Supply voltage range is 10–36 V. Supply current is higher at 5 mA. This part is in Active product status and is RoHS3 compliant.

All substitute parts maintain RoHS3 compliance and REACH unaffected status, ensuring regulatory compatibility with the original TLE2141ACP.

Frequently Asked Questions (FAQ)

Q: Can I directly replace TLE2141ACP with TLE2141AIDR in my existing through-hole PCB design?

A: No. The TLE2141AIDR uses 8-SOIC surface-mount packaging, while the TLE2141ACP uses 8-DIP through-hole packaging. Direct PCB substitution is not possible without redesigning the board layout and footprint. However, the electrical specifications are identical, making TLE2141AIDR suitable for new PCB designs using surface-mount assembly.

Q: What is the key difference between the TLE2141ACP and the J-FET input alternatives (AD711KNZ, LT1055CN8#PBF, LT1056CN8#PBF)?

A: The TLE2141ACP uses a general-purpose input stage with input bias current of 700 nA. The J-FET alternatives feature J-FET input stages with significantly lower input bias currents (15–30 pA). This makes J-FET devices suitable for high-impedance input applications where input bias current must be minimized. However, J-FET devices have narrower supply voltage ranges (9–36 V or 10–36 V) compared to the TLE2141ACP (4–44 V).

Q: Which substitute part has the closest electrical performance to the TLE2141ACP?

A: The TLE2141AIDR has identical electrical specifications to the TLE2141ACP, including slew rate (45 V/µs), gain bandwidth product (5.9 MHz), input bias current (700 nA), and input offset voltage (175 µV). The only difference is packaging type and extended operating temperature range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (TLE2141AIDR, AD711KNZ, LT1055CN8#PBF, LT1056CN8#PBF) are RoHS3 compliant and REACH unaffected, matching the compliance status of the TLE2141ACP.

Q: Can I use LT1055CN8#PBF or LT1056CN8#PBF as direct replacements in applications requiring 4 V minimum supply voltage?

A: No. Both LT1055CN8#PBF and LT1056CN8#PBF require minimum supply voltages of 10 V, which exceeds the TLE2141ACP minimum of 4 V. These parts are not suitable for low-voltage applications operating below 10 V.

Q: What is the product status of each substitute part?

A: TLE2141AIDR, AD711KNZ, LT1055CN8#PBF, and LT1056CN8#PBF are all in Active product status, ensuring long-term availability and continued manufacturing support. The original TLE2141ACP is in Last Time Buy status, indicating discontinued production.

Q: Which substitute part offers the best slew rate performance?

A: The TLE2141AIDR matches the TLE2141ACP with a slew rate of 45 V/µs. Among the J-FET alternatives, LT1056CN8#PBF offers the highest slew rate at 14 V/µs, followed by AD711KNZ at 20 V/µs and LT1055CN8#PBF at 12 V/µs.

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