TL064BIDT Equivalent & Substitute Parts

Part Overview

The TL064BIDT is a J-FET input operational amplifier manufactured by STMicroelectronics, configured as a 4-circuit device in a 14-SOIC surface mount package. This component is classified as a linear amplifier and is currently discontinued at DiGi Electronics, with 5300 units available in new original stock. The discontinuation status necessitates identification of equivalent and substitute parts to maintain design continuity and ensure long-term component availability for production and maintenance applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	4	—
Slew Rate	3.5	V/µs
Gain Bandwidth Product	1	MHz
Current - Input Bias	30	pA
Voltage - Input Offset	2	mV
Current - Supply (x4 Channels)	200	µA
Current - Output / Channel	20	mA
Voltage - Supply Span (Min)	6	V
Voltage - Supply Span (Max)	36	V
Operating Temperature Range	-40 to 105	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	3 (168 Hours)	—

Substitute Part Grouping Explanation

Substitution of the TL064BIDT is determined by strict alignment of the following electrical and mechanical parameters:

Primary Substitution Criteria:

Amplifier Type: J-FET input configuration
Number of Circuits: 4 independent operational amplifiers
Package Type: 14-SOIC surface mount form factor
Slew Rate: 3.5 V/µs minimum
Gain Bandwidth Product: 1 MHz minimum
Supply Voltage Range: Minimum 6 V to maximum 36 V overlap
Operating Temperature: Compatibility with -40°C to 105°C range

Substitute Parts Identified:

Group 1 - Direct Electrical Equivalents (TL064 Base Series): TL064ACDR, TL064BCDR, TL064BCD, TL064ACD, TL064CD, TL064CDR

These parts maintain identical electrical specifications to the TL064BIDT, including slew rate, gain bandwidth product, input bias current, and supply voltage parameters. Differences exist only in temperature rating and packaging format (Tube vs. Tape & Reel).

Group 2 - Enhanced Performance Alternatives (TL034 Series): TL034ACDR, TL034ACD

These parts provide superior electrical performance with higher slew rate (5.1 V/µs), improved input bias current (2 pA), and lower input offset voltage (580 µV). However, they operate within a narrower supply voltage range (10 V to 30 V) and temperature range (0°C to 70°C).

Group 3 - Cross-Manufacturer Equivalent (OPA4137 Series): OPA4137U, OPA4137UA

These Texas Instruments and Burr Brown parts offer J-FET input configuration with 4 circuits in 14-SOIC packaging. They feature superior input bias current (5 pA) and higher output current capability (60 mA per channel) but operate within a narrower temperature range (−40°C to 85°C) and minimum supply voltage (4.5 V).

Parameter Comparison

Part Number	Manufacturer	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Output Current (mA)	Packaging	Status
TL064BIDT	STMicroelectronics	3.5	1	30	2	6	36	-40 to 105	20	Tape & Reel	Discontinued
TL064BCDR	Texas Instruments	3.5	1	30	2	10	30	0 to 70	20	Tape & Reel	Active
TL064BCD	Texas Instruments	3.5	1	30	2	10	30	0 to 70	20	Tube	Last Time Buy
TL064ACDR	Texas Instruments	3.5	1	30	3	10	30	0 to 70	20	Tape & Reel	Active
TL064ACD	Texas Instruments	3.5	1	30	3	10	30	0 to 70	20	Tube	Last Time Buy
TL064CD	STMicroelectronics	3.5	1	30	3	6	36	0 to 70	20	Tube	Active
TL064CDR	Texas Instruments	3.5	1	30	3	10	30	0 to 70	20	Cut Tape & Digi-Reel	Active
TL034ACDR	Texas Instruments	5.1	1.1	2	0.58	10	30	0 to 70	40	Tape & Reel	Active
TL034ACD	Texas Instruments	5.1	1.1	2	0.58	10	30	0 to 70	40	Tube	Last Time Buy
OPA4137U	Texas Instruments	3.5	1	5	1.5	4.5	36	-40 to 85	60	Tube	Last Time Buy
OPA4137UA	Burr Brown	3.5	1	5	1.5	4.5	36	-40 to 85	60	Bulk	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

TL064BCDR is the primary recommended substitute. This part maintains all electrical specifications of the TL064BIDT, including slew rate, gain bandwidth product, input bias current, and output current capability. It is manufactured by Texas Instruments, carries Active product status, and is available in Tape & Reel packaging suitable for automated assembly. Both parts are ROHS3 compliant and carry identical ECCN and HTSUS classifications.

TL064CD provides an alternative from STMicroelectronics with identical electrical performance and extended supply voltage range (6 V to 36 V), matching the original part's specifications. This part is Active and available in Tube packaging with 11,300 units in stock.

For Extended Temperature Range Applications:

OPA4137UA is suitable when the extended temperature range of the TL064BIDT (-40°C to 105°C) is required. This part maintains the 3.5 V/µs slew rate and 1 MHz gain bandwidth product while offering superior input bias current (5 pA) and higher output current per channel (60 mA). It is manufactured by Burr Brown and carries Active product status. The supply voltage range (4.5 V to 36 V) provides broader compatibility than the TL064BIDT's minimum 6 V requirement.

For Enhanced Performance Requirements:

TL034ACDR offers superior electrical performance with 5.1 V/µs slew rate, 1.1 MHz gain bandwidth product, and significantly lower input bias current (2 pA) and input offset voltage (580 µV). This part is Active and available in Tape & Reel packaging. Selection of this part requires verification that the narrower supply voltage range (10 V to 30 V) and operating temperature range (0°C to 70°C) are compatible with the application.

Compliance and Regulatory Status:

All recommended substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory continuity with the original TL064BIDT specification.

Frequently Asked Questions (FAQ)

Q: Can TL064BCDR be used as a direct replacement for TL064BIDT in all applications?

A: TL064BCDR is electrically equivalent to TL064BIDT with identical slew rate (3.5 V/µs), gain bandwidth product (1 MHz), input bias current (30 pA), and output current (20 mA per channel). The primary difference is the operating temperature range: TL064BCDR operates from 0°C to 70°C, while TL064BIDT operates from -40°C to 105°C. If the application requires operation below 0°C or above 70°C, TL064BCDR is not suitable. Additionally, TL064BCDR has a minimum supply voltage of 10 V compared to TL064BIDT's 6 V minimum.

Q: What is the difference between TL064CD and TL064BCDR?

A: Both parts are electrically equivalent with identical slew rate and gain bandwidth product. TL064CD is manufactured by STMicroelectronics and maintains the original part's supply voltage range (6 V to 36 V). TL064BCDR is manufactured by Texas Instruments with a narrower supply range (10 V to 30 V). TL064CD is available in Tube packaging, while TL064BCDR is available in Tape & Reel. Selection depends on packaging requirements and supply voltage specifications of the application.

Q: Why would OPA4137UA be selected over TL064BCDR?

A: OPA4137UA offers superior input bias current (5 pA versus 30 pA) and higher output current capability (60 mA per channel versus 20 mA). These characteristics make OPA4137UA suitable for applications requiring lower input leakage current or higher output drive capability. OPA4137UA maintains the 3.5 V/µs slew rate and 1 MHz gain bandwidth product of the TL064BIDT. The trade-off is a narrower operating temperature range (-40°C to 85°C versus -40°C to 105°C).

Q: Is TL034ACDR compatible with TL064BIDT designs?

A: TL034ACDR is not a direct replacement. While both are J-FET input 4-circuit operational amplifiers in 14-SOIC packaging, TL034ACDR has different electrical specifications: higher slew rate (5.1 V/µs versus 3.5 V/µs), higher gain bandwidth product (1.1 MHz versus 1 MHz), lower input bias current (2 pA versus 30 pA), and lower input offset voltage (580 µV versus 2 mV). Additionally, TL034ACDR operates within a narrower supply voltage range (10 V to 30 V) and temperature range (0°C to 70°C). TL034ACDR is suitable only when the application can accommodate these specification changes and the narrower operating ranges.

Q: What packaging options are available for TL064 series substitutes?

A: TL064 series substitutes are available in multiple packaging formats: Tape & Reel (TR) for automated assembly, Tube for manual handling, and Cut Tape & Digi-Reel for mixed applications. TL064BCDR and TL064ACDR are available in Tape & Reel format. TL064BCD and TL064ACD are available in Tube format. TL064CDR is available in Cut Tape & Digi-Reel format. Selection depends on assembly process requirements and handling procedures.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all substitute parts listed (TL064BCDR, TL064CD, TL064ACDR, TL034ACDR, OPA4137U, and OPA4137UA) are ROHS3 compliant and carry REACH unaffected status, maintaining regulatory compliance with the original TL064BIDT specification.

Q: What is the moisture sensitivity level difference between TL064BIDT and its substitutes?

A: TL064BIDT carries Moisture Sensitivity Level 3 (168 Hours). Most TL064 series substitutes from Texas Instruments (TL064BCDR, TL064ACDR, TL034ACDR) carry Moisture Sensitivity Level 1 (Unlimited), indicating superior moisture resistance and less stringent storage requirements. TL064CD from STMicroelectronics maintains MSL 1 (Unlimited). OPA4137 series parts do not specify MSL in the provided data. Lower MSL ratings reduce handling and storage complexity.

Q: Can OPA4137U be used in place of OPA4137UA?

A: OPA4137U and OPA4137UA are electrically identical with the same slew rate (3.5 V/µs), gain bandwidth product (1 MHz), input bias current (5 pA), and input offset voltage (1.5 mV). The difference is packaging: OPA4137U is supplied in Tube format, while OPA4137UA is supplied in Bulk format. OPA4137U carries Last Time Buy status, while OPA4137UA is Active. For new designs, OPA4137UA is recommended due to its Active status and continued availability.

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