TLE2141AIDR Equivalent & Substitute Parts

Part Overview

The TLE2141AIDR is a general-purpose operational amplifier manufactured by Texas Instruments in the Excalibur™ series. This single-circuit, 8-SOIC surface-mount device operates across a wide supply voltage range of 4V to 44V and maintains active product status with full RoHS3 compliance. The device is suitable for applications requiring moderate bandwidth and low input bias current characteristics. Substitute parts are identified based on matching electrical performance parameters, package compatibility, and operational specifications to ensure functional equivalence in circuit designs.

Key Parameters

Parameter	TLE2141AIDR	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
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	-40 to 105	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the TLE2141AIDR are categorized based on the following substitution criteria:

Primary Substitution Criteria:

Amplifier Type: General Purpose or J-FET input stage
Number of Circuits: Single circuit configuration
Package Compatibility: 8-SOIC surface-mount package (primary); 8-DIP through-hole (secondary)
Supply Voltage Range: Minimum 4V to 9V; Maximum 36V to 44V
Operating Temperature: Extended range preferred (-40°C minimum)
Output Current Capability: Minimum 50 mA per channel
RoHS3 Compliance: Required for all substitutes

Grouping Logic:

Group 1 - Direct 8-SOIC Surface-Mount Substitutes (Preferred): Parts maintaining 8-SOIC package format with compatible electrical specifications. These include AD817ARZ variants and AD8510BRZ series, which preserve PCB layout compatibility while offering enhanced performance characteristics.

Group 2 - J-FET Input Alternatives (8-SOIC): AD711KRZ and AD8510BRZ devices provide ultra-low input bias current (15 pA to 25 pA) compared to the TLE2141AIDR (700 nA), suitable for high-impedance input applications within the 8-SOIC package.

Group 3 - Through-Hole Package Alternative (8-DIP): AD817ANZ provides functional equivalence in 8-DIP through-hole format for applications requiring traditional PCB mounting, with enhanced slew rate and bandwidth performance.

Group 4 - Buffer Amplifier Variant (8-DFN): LT1010CDD series offers buffer amplifier functionality in compact 8-DFN package with higher output current capability (150 mA), applicable where buffering requirements supersede general-purpose amplification.

Parameter Comparison

Parameter	TLE2141AIDR	AD817ARZ	AD817ARZ-REEL	AD817ARZ-REEL7	AD8510BRZ	AD8510BRZ-REEL7	AD711KRZ	AD711KRZ-REEL7	AD817ANZ	LT1010CDD#PBF	LT1010CDD#TRPBF
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	J-FET	J-FET	J-FET	J-FET	General Purpose	Buffer	Buffer
Number of Circuits	1	1	1	1	1	1	1	1	1	1	1
Slew Rate (V/µs)	45	350	350	350	20	20	20	20	350	75	75
Gain Bandwidth Product (MHz)	5.9	50	50	50	8	8	4	4	50	20	20
Current - Input Bias (nA/pA)	700 nA	3.3 µA	3.3 µA	3.3 µA	25 pA	25 pA	15 pA	15 pA	3.3 µA	500 µA	500 µA
Voltage - Input Offset (µV)	175	500	500	500	80	80	200	200	500	—	—
Current - Supply (mA)	3.5	7	7	7	2.2	2.2	2.5	2.5	7	5	5
Current - Output / Channel (mA)	50	50	50	50	70	70	25	25	50	150	150
Voltage - Supply Span Min (V)	4	5	5	5	9	9	9	9	5	4.5	4.5
Voltage - Supply Span Max (V)	44	36	36	36	36	36	36	36	36	40	40
Operating Temperature (°C)	-40 to 105	-45 to 85	-40 to 85	-40 to 85	-40 to 125	-40 to 125	0 to 70	0 to 70	-40 to 85	0 to 100	0 to 100
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-DIP	8-DFN	8-DFN
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Through Hole	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (8-SOIC Surface Mount):

The AD817ARZ, AD817ARZ-REEL, and AD817ARZ-REEL7 variants provide the closest functional equivalence to the TLE2141AIDR within the 8-SOIC package format. All three maintain general-purpose amplifier classification, single-circuit configuration, and RoHS3 compliance. The AD817ARZ-REEL7 variant offers the highest inventory availability (17,686 pcs) with identical electrical specifications across all three AD817 options. These parts are suitable for applications where the TLE2141AIDR supply voltage maximum of 44V is not required, as AD817 variants operate to 36V maximum.

For Extended Temperature Range Applications:

The AD8510BRZ and AD8510BRZ-REEL7 J-FET input amplifiers extend the operating temperature range to -40°C to 125°C, exceeding the TLE2141AIDR specification of -40°C to 105°C. These parts maintain 8-SOIC package compatibility and RoHS3 compliance. The AD8510 series provides superior input bias current performance (25 pA versus 700 nA) and enhanced output current capability (70 mA versus 50 mA), with lower supply current consumption (2.2 mA versus 3.5 mA).

For Ultra-Low Input Bias Current Requirements:

The AD711KRZ and AD711KRZ-REEL7 J-FET input amplifiers deliver input bias current of 15 pA, substantially lower than the TLE2141AIDR (700 nA). These parts maintain 8-SOIC package format and RoHS3 compliance. Operating temperature range is limited to 0°C to 70°C, and supply voltage minimum is 9V. The AD711KRZ-REEL7 variant provides higher inventory (7,628 pcs) in Cut Tape & Digi-Reel® packaging.

For Through-Hole PCB Assembly:

The AD817ANZ provides general-purpose amplifier functionality in 8-DIP through-hole package format with identical electrical performance to AD817ARZ variants. This part is suitable for applications requiring traditional through-hole mounting technology while maintaining RoHS3 compliance and active product status.

For High Output Current Buffer Applications:

The LT1010CDD#PBF and LT1010CDD#TRPBF buffer amplifiers deliver 150 mA output current capability, three times the TLE2141AIDR specification. These parts are packaged in 8-DFN (3x3) surface-mount format with RoHS3 compliance. Supply voltage range is 4.5V to 40V, and operating temperature extends to 0°C to 100°C. These variants are applicable where buffering requirements and higher output current drive capability are primary design criteria.

Frequently Asked Questions (FAQ)

Q1: Can AD817ARZ variants directly replace TLE2141AIDR in existing PCB layouts?

A: Yes, AD817ARZ, AD817ARZ-REEL, and AD817ARZ-REEL7 maintain identical 8-SOIC (0.154", 3.90mm Width) package dimensions and surface-mount footprint compatibility with TLE2141AIDR. Pin configuration and functional pinout are equivalent for direct PCB substitution. However, verify that the maximum supply voltage requirement of 36V (versus TLE2141AIDR 44V) is acceptable for your application.

Q2: What is the primary difference between AD817ARZ packaging variants?

A: AD817ARZ is supplied in Tube packaging. AD817ARZ-REEL and AD817ARZ-REEL7 are supplied in Cut Tape (CT) & Digi-Reel® packaging. All three variants maintain identical electrical specifications and RoHS3 compliance. Selection depends on assembly process requirements and inventory management preferences. AD817ARZ-REEL7 offers the highest inventory availability (17,686 pcs).

Q3: When should AD8510BRZ be selected over AD817ARZ?

A: Select AD8510BRZ when extended operating temperature range (-40°C to 125°C versus -40°C to 85°C) is required. AD8510BRZ also provides superior input bias current performance (25 pA versus 3.3 µA) and higher output current capability (70 mA versus 50 mA). Both maintain 8-SOIC package compatibility and RoHS3 compliance. AD8510BRZ supply current is lower (2.2 mA versus 7 mA).

Q4: What are the limitations of AD711KRZ substitution?

A: AD711KRZ J-FET input amplifiers provide exceptional input bias current performance (15 pA) but operate within restricted temperature range (0°C to 70°C) compared to TLE2141AIDR (-40°C to 105°C). Minimum supply voltage is 9V versus TLE2141AIDR 4V. Output current capability is reduced to 25 mA versus 50 mA. These limitations restrict AD711KRZ application to room-temperature, high-impedance input circuits.

Q5: Is AD817ANZ suitable for new surface-mount PCB designs?

A: AD817ANZ is a through-hole 8-DIP package device and is not recommended for new surface-mount PCB designs. This part is applicable only for legacy through-hole assembly processes or applications requiring through-hole mounting technology. For new surface-mount designs, select AD817ARZ variants or AD8510BRZ in 8-SOIC package format.

Q6: When is LT1010CDD buffer amplifier appropriate for TLE2141AIDR substitution?

A: LT1010CDD substitution is appropriate when application requirements include output current capability exceeding 50 mA (LT1010CDD provides 150 mA). This buffer amplifier is packaged in 8-DFN (3x3) surface-mount format with RoHS3 compliance. LT1010CDD is not a direct functional replacement but rather a specialized variant for high-current buffering applications. Verify circuit design compatibility before substitution.

Q7: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts listed (AD817 series, AD8510 series, AD711 series, and LT1010 series) maintain RoHS3 compliance status. All parts are REACH Unaffected and carry EAR99 ECCN classification with identical HTSUS code (8542.33.0001) to the TLE2141AIDR.

Q8: What inventory considerations apply to substitute part selection?

A: AD817ARZ-REEL7 offers the highest inventory availability (17,686 pcs), followed by AD817ARZ-REEL (17,905 pcs). AD711KRZ-REEL7 provides 7,628 pcs. AD8510BRZ variants offer lower inventory (1,940 to 2,344 pcs). LT1010CDD#TRPBF provides 6,195 pcs. Inventory levels should be verified at time of procurement, as availability is subject to change.

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