TLE2064MDRG4 Equivalent & Substitute Parts

Part Overview

The TLE2064MDRG4 is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a 4-circuit integrated circuit in 14-SOIC surface mount packaging. This device is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The TLE2064MDRG4 contains 786 pieces in current stock. Identification of equivalent and substitute parts is necessary due to product status transition and to ensure design continuity for applications requiring J-FET amplifier functionality with specified electrical characteristics.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	4	—
Slew Rate	3.4	V/µs
Gain Bandwidth Product	2	MHz
Current - Input Bias	4	pA
Voltage - Input Offset	900	µV
Current - Supply (x4 Channels)	1.25	mA
Current - Output / Channel	80	mA
Voltage - Supply Span (Min)	7	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-55 to 125	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the TLE2064MDRG4 are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution logic is determined by the following parameters:

Critical Matching Parameters:

Amplifier Type (J-FET or General Purpose)
Number of Circuits (4)
Package / Case (14-SOIC form factor)
Mounting Type (Surface Mount)
Supply Voltage Range compatibility (minimum 7V to maximum 36V overlap)
Operating Temperature Range (overlap with -55°C to 125°C)

Substitution Categories:

Category 1: Direct J-FET Substitutes (Highest Compatibility) Parts maintaining J-FET amplifier type with 4 circuits in 14-SOIC packaging. These include TLE2064MDR, LF247DT, LF347D, LF347DT, TL074IYDT, TL084ACDT, TL084AIDT, and TL084BIDT. These parts share the same amplifier topology and package form factor.

Category 2: General Purpose Substitutes (Functional Compatibility) Parts with General Purpose amplifier type, 4 circuits, and 14-SOIC packaging. These include OP4177ARZ-REEL and SC2902DR2G. These parts provide operational amplifier functionality in the same package but with different input characteristics.

Substitution validity depends on application-specific requirements for input bias current, input offset voltage, slew rate, and gain bandwidth product. All substitute parts listed maintain 14-SOIC surface mount packaging and 4-circuit configuration.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Product Status
TLE2064MDRG4	Texas Instruments	J-FET	3.4	2	4	900	7	36	-55 to 125	Last Time Buy
TLE2064MDR	Texas Instruments	J-FET	3.4	2	4	900	7	36	-55 to 125	Active
LF247DT	STMicroelectronics	J-FET	16	4	20	3000	44	44	-40 to 105	Active
LF347D	STMicroelectronics	J-FET	16	3	20	3000	44	44	0 to 70	Active
LF347DT	STMicroelectronics	J-FET	16	4	20	3000	44	44	0 to 70	Active
OP4177ARZ-REEL	Analog Devices Inc.	General Purpose	0.7	1.3	500	15	5	30	-40 to 125	Active
SC2902DR2G	onsemi	General Purpose	—	—	90000	2000	3	32	-40 to 105	Active
TL074IYDT	STMicroelectronics	J-FET	13	3	20	3000	6	36	-40 to 105	Active
TL084ACDT	STMicroelectronics	J-FET	16	4	20	3000	6	36	0 to 70	Active
TL084AIDT	STMicroelectronics	J-FET	16	4	20	3000	6	36	-40 to 105	Active
TL084BIDT	STMicroelectronics	J-FET	16	4	20	1000	6	36	-40 to 105	Active

Engineering Selection Recommendations

Primary Recommendation: TLE2064MDR

The TLE2064MDR is the direct equivalent to TLE2064MDRG4, manufactured by Texas Instruments with identical electrical specifications and 14-SOIC packaging. This part maintains Active product status with 3646 pieces in inventory, providing supply continuity. The TLE2064MDR differs only in packaging format (Tape & Reel vs. Tape & Reel with specific reel configuration). This substitution requires no circuit redesign or performance verification.

Secondary Recommendations: J-FET Substitutes

For applications where supply of TLE2064MDR becomes constrained, J-FET amplifier substitutes maintain the same amplifier topology:

TL084AIDT (STMicroelectronics): Maintains J-FET type, 4 circuits, 14-SOIC package, and extended operating temperature range (-40°C to 105°C). Provides higher slew rate (16V/µs vs. 3.4V/µs) and higher gain bandwidth product (4 MHz vs. 2 MHz). Supply voltage range 6V to 36V overlaps with TLE2064MDRG4 requirements. Active product status with 5400 pieces in inventory. AEC-Q100 automotive qualification available.
TL084BIDT (STMicroelectronics): Identical to TL084AIDT with improved input offset voltage specification (1 mV vs. 3 mV). Active product status with 7400 pieces in inventory.
TL074IYDT (STMicroelectronics): J-FET amplifier with 14-SOIC package, slew rate 13V/µs, gain bandwidth product 3 MHz. Supply voltage range 6V to 36V. Operating temperature -40°C to 105°C. Active product status with 4059 pieces in inventory.

Tertiary Recommendations: General Purpose Substitutes

For applications where J-FET input characteristics are not critical:

OP4177ARZ-REEL (Analog Devices Inc.): General Purpose amplifier, 4 circuits, 14-SOIC package. Operating temperature range -40°C to 125°C matches extended temperature requirement. Supply voltage 5V to 30V. Active product status with 27800 pieces in inventory. Moisture Sensitivity Level 3 requires controlled storage conditions.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and EAR99 export classification. Moisture Sensitivity Level 1 (unlimited) is maintained across TLE2064MDR, TL074IYDT, TL084AIDT, and TL084BIDT, eliminating moisture control requirements during assembly.

Frequently Asked Questions (FAQ)

Q1: Can TLE2064MDR directly replace TLE2064MDRG4 without circuit modification?

A: Yes. TLE2064MDR is the direct equivalent with identical electrical specifications, amplifier type (J-FET), circuit count (4), and package form factor (14-SOIC). The only difference is packaging format designation. No circuit redesign is required.

Q2: What are the key differences between TLE2064MDRG4 and TL084AIDT?

A: Both are J-FET amplifiers with 4 circuits in 14-SOIC packaging. TL084AIDT provides higher performance: slew rate 16V/µs (vs. 3.4V/µs), gain bandwidth product 4 MHz (vs. 2 MHz), and input bias current 20 pA (vs. 4 pA). TL084AIDT operates at -40°C to 105°C (vs. -55°C to 125°C). Supply voltage range 6V to 36V is compatible. TL084AIDT is suitable for applications requiring faster slew rate and higher bandwidth.

Q3: Why is OP4177ARZ-REEL listed as a substitute if it is General Purpose type, not J-FET?

A: OP4177ARZ-REEL provides operational amplifier functionality in the same 14-SOIC package with 4 circuits. It is listed as a functional substitute for applications where J-FET input characteristics (low input bias current, high input impedance) are not required. Applications requiring precision low-bias-current performance should use J-FET substitutes instead.

Q4: What is the significance of Moisture Sensitivity Level (MSL) in substitute selection?

A: MSL 1 (Unlimited) indicates no moisture control requirements during storage and assembly. TLE2064MDR, TL074IYDT, TL084AIDT, and TL084BIDT all maintain MSL 1. OP4177ARZ-REEL has MSL 3 (168 Hours), requiring controlled humidity storage and limiting shelf life after packaging opening. For high-volume manufacturing, MSL 1 parts reduce process complexity.

Q5: Are all substitute parts qualified for automotive applications?

A: TL084ACDT, TL084AIDT, and TL084BIDT carry AEC-Q100 automotive qualification. TLE2064MDR, LF247DT, LF347D, LF347DT, TL074IYDT, OP4177ARZ-REEL, and SC2902DR2G do not list automotive qualification. Automotive application requirements must be verified against specific design standards.

Q6: Which substitute provides the best inventory availability?

A: TL084ACDT has the highest inventory level at 888,600 pieces. LF347DT has 27,321 pieces, and OP4177ARZ-REEL has 27,800 pieces. TLE2064MDR has 3,646 pieces. For long-term supply security, TL084ACDT or LF347DT are preferred.

Q7: Can I use SC2902DR2G as a substitute for low-power applications?

A: SC2902DR2G is a General Purpose amplifier with supply voltage range 3V to 32V, enabling low-voltage operation. However, slew rate and gain bandwidth product are not specified in available data. Input bias current is significantly higher (90 nA vs. 4 pA for TLE2064MDRG4). SC2902DR2G is suitable only for applications where high input bias current is acceptable and low supply voltage operation is required.

Q8: What is the impact of different supply voltage ranges on substitution?

A: TLE2064MDRG4 requires 7V to 36V supply. LF247DT and LF347D/LF347DT require exactly 44V (fixed supply), making them unsuitable for variable supply designs. TL074IYDT, TL084ACDT, TL084AIDT, and TL084BIDT support 6V to 36V, providing full compatibility. OP4177ARZ-REEL supports 5V to 30V, limiting maximum supply to 30V. SC2902DR2G supports 3V to 32V. Verify supply voltage requirements before substitution.

Q9: How do slew rate differences affect circuit performance?

A: TLE2064MDRG4 has slew rate 3.4V/µs. Substitutes with higher slew rates (TL084 series at 16V/µs, LF247DT at 16V/µs, TL074IYDT at 13V/µs) enable faster signal transitions and higher frequency operation. Applications with strict slew rate requirements must verify that substitute specifications meet or exceed design specifications. Lower slew rate substitutes are not acceptable.

Q10: What packaging format differences exist between substitute parts?

A: All substitute parts use 14-SOIC (0.154", 3.90mm Width) surface mount package, maintaining PCB footprint compatibility. Packaging format designations differ: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Tube. These designations indicate shipping and handling format only and do not affect component electrical performance or PCB mounting.

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