TLE2161ID Equivalent & Substitute Parts Reference

Part Overview

The TLE2161ID is a J-FET input 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 7V to 36V and is rated for -40°C to 85°C operating temperatures. The device is designated as Last Time Buy status, indicating limited future availability. Identifying qualified substitute parts ensures design continuity and supply chain resilience for applications requiring J-FET amplifier functionality with equivalent electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	1	—
Slew Rate	10	V/µs
Gain Bandwidth Product	6.4	MHz
Current - Input Bias	4	pA
Voltage - Input Offset	600	µV
Current - Supply	290	µA
Current - Output / Channel	80	mA
Voltage - Supply Span (Min)	7	V
Voltage - Supply Span (Max)	36	V
Operating Temperature Range	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the TLE2161ID is determined by strict alignment across the following critical parameters:

Mandatory Matching Criteria:

Amplifier Type: J-FET input configuration
Number of Circuits: Single circuit (1)
Package / Case: 8-SOIC form factor with 0.154" (3.90mm) width
Mounting Type: Surface Mount
Voltage - Supply Span: Minimum 7V and maximum 36V compatibility
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: MSL 1 (Unlimited)

Performance Parameters for Functional Equivalence: Substitute parts must operate within the electrical envelope defined by the TLE2161ID specifications. Parts with equal or superior performance in slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current are considered functionally compatible. Operating temperature range may vary; substitutes with extended temperature ratings (-40°C to 125°C) provide enhanced capability for demanding applications.

Packaging Variants: The TLE2161ID is supplied in Tube packaging. Functionally equivalent parts are available in alternative packaging formats including Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® configurations. These packaging variants do not affect electrical performance and are selected based on procurement and assembly requirements.

Parameter Comparison

Part Number	Manufacturer	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Span Min (V)	Supply Span Max (V)	Temp Range (°C)	Packaging	Status
TLE2161ID	Texas Instruments	10	6.4	4	600	0.290	80	7	36	-40 to 85	Tube	Last Time Buy
TLE2161IDR	Texas Instruments	10	6.4	4	600	0.290	80	7	36	-40 to 85	Tape & Reel	Last Time Buy
AD711JRZ	Analog Devices Inc.	20	4.0	15	300	2.5	25	9	36	0 to 70	Tube	Active
AD711JRZ-REEL	Analog Devices Inc.	20	4.0	15	300	2.5	25	9	36	0 to 70	Tape & Reel	Active
AD711JRZ-REEL7	Analog Devices Inc.	20	4.0	15	300	2.5	25	9	36	0 to 70	Cut Tape & Digi-Reel®	Active
AD8510ARZ	Analog Devices Inc.	20	8.0	25	100	2.2	70	9	36	-40 to 125	Tube	Active
AD8510ARZ-REEL	Analog Devices Inc.	20	8.0	25	100	2.2	70	9	36	-40 to 125	Cut Tape & Digi-Reel®	Active
AD8510ARZ-REEL7	Analog Devices Inc.	20	8.0	25	100	2.2	70	9	36	-40 to 125	Cut Tape & Digi-Reel®	Active
ADA4000-1ARZ	Analog Devices Inc.	20	5.0	5	200	1.35	28	8	36	-40 to 125	Tube	Active
ADA4000-1ARZ-R7	Analog Devices Inc.	20	5.0	5	200	1.35	28	8	36	-40 to 125	Cut Tape & Digi-Reel®	Active
ADA4000-1ARZ-RL	Analog Devices Inc.	20	5.0	5	200	1.35	28	8	36	-40 to 125	Tape & Reel	Active

Engineering Selection Recommendations

Direct Packaging Equivalent: TLE2161IDR is the direct substitute for TLE2161ID, offering identical electrical specifications with Tape & Reel packaging. Both devices share Last Time Buy status from Texas Instruments and maintain full parameter compatibility. Selection between these variants depends solely on procurement format requirements.

Active Product Alternatives: Analog Devices Inc. J-FET operational amplifiers (AD711JRZ series, AD8510ARZ series, and ADA4000-1ARZ series) are Active status products with extended product life cycles. These devices maintain 8-SOIC packaging and J-FET input architecture, ensuring mechanical and functional compatibility with TLE2161ID applications.

Supply Voltage Consideration: The TLE2161ID operates with a minimum supply voltage of 7V. Substitute parts AD711JRZ variants require a minimum of 9V supply voltage. Applications operating at 7V or 8V supply levels must select ADA4000-1ARZ variants, which support 8V minimum supply voltage, or remain with TLE2161ID/TLE2161IDR.

Temperature Range Consideration: The TLE2161ID is rated for -40°C to 85°C operation. Designs requiring extended temperature operation to 125°C must select AD8510ARZ or ADA4000-1ARZ variants. Applications limited to 0°C to 70°C may utilize AD711JRZ variants.

Compliance Status: All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can AD711JRZ replace TLE2161ID in a 7V supply application?

A: No. The AD711JRZ requires a minimum supply voltage of 9V and cannot operate at the 7V minimum specified for TLE2161ID. Applications with 7V supply must use TLE2161ID, TLE2161IDR, or ADA4000-1ARZ variants.

Q: What is the difference between AD8510ARZ and AD8510ARZ-REEL7?

A: Both parts are electrically identical. The difference is packaging format: AD8510ARZ is supplied in Tube packaging, while AD8510ARZ-REEL7 is supplied in Cut Tape & Digi-Reel® format. Selection depends on assembly equipment compatibility and procurement requirements.

Q: Is TLE2161IDR a direct replacement for TLE2161ID?

A: Yes. TLE2161IDR is a direct electrical equivalent with identical specifications. The only difference is packaging: TLE2161ID uses Tube format while TLE2161IDR uses Tape & Reel format. Both are Last Time Buy status products.

Q: Which substitute offers the best performance improvement over TLE2161ID?

A: AD8510ARZ and AD8510ARZ-REEL7 provide superior performance with 8.0 MHz gain bandwidth product (versus 6.4 MHz), 20V/µs slew rate (versus 10V/µs), and extended temperature rating to 125°C. These devices are Active status with long-term availability.

Q: Can I use ADA4000-1ARZ in place of TLE2161ID?

A: Yes, with considerations. ADA4000-1ARZ is electrically compatible and Active status. However, it has lower output current capability (28 mA versus 80 mA) and lower supply current (1.35 mA versus 290 µA). Verify application requirements for output drive capability before substitution.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching TLE2161ID environmental specifications.

Q: What is the advantage of selecting an Active status product over Last Time Buy?

A: Active status products have guaranteed long-term availability and continued manufacturing support. Last Time Buy products have limited future availability. For new designs or long-term production, Active status substitutes (AD711JRZ, AD8510ARZ, ADA4000-1ARZ series) are recommended.

Q: Do all substitute parts use the same 8-SOIC package footprint?

A: Yes. All listed substitute parts use 8-SOIC packaging with 0.154" (3.90mm) width, ensuring PCB footprint compatibility with TLE2161ID designs.

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