TLE2064CDG4 Equivalent & Substitute Parts

Part Overview

The TLE2064CDG4 is a J-FET operational amplifier integrated circuit manufactured by Texas Instruments, configured as a 4-circuit amplifier in a 14-SOIC surface mount package. This device is classified as a Last Time Buy product, indicating discontinued or end-of-life status from the original manufacturer. The TLE2064CDG4 is supplied in tube packaging and maintains ROHS3 compliance with unlimited moisture sensitivity rating.

Identifying equivalent and substitute parts is necessary due to the Last Time Buy status of the TLE2064CDG4. Alternative models with identical or compatible electrical and mechanical specifications ensure design continuity and supply chain reliability for applications requiring J-FET amplifier functionality.

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	0 to 70	°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 TLE2064CDG4 are grouped based on electrical parameter compatibility and mechanical interchangeability. The primary substitution criteria are:

Critical Matching Parameters:

Amplifier Type: J-FET
Number of Circuits: 4
Package / Case: 14-SOIC surface mount configuration
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Electrical Performance Parameters:

Slew Rate: 3.4 V/µs (primary specification)
Gain Bandwidth Product: 2 MHz (primary specification)
Current - Input Bias: 4 pA (primary specification)
Voltage - Input Offset: 900 µV (primary specification)
Current - Supply: 1.25 mA (x4 Channels) (primary specification)
Current - Output / Channel: 80 mA (primary specification)
Voltage - Supply Span: 7 V to 36 V (primary specification)
Operating Temperature: 0°C to 70°C (primary specification)

Substitutes are categorized into two groups:

Group 1 - Direct Electrical Equivalents: Parts with identical electrical specifications and packaging. These include TLE2064CD and TLE2064CDR, which are manufacturer variants of the base TLE2064 series with matching performance parameters.

Group 2 - Functional Alternatives: Parts with different electrical performance characteristics but compatible J-FET amplifier topology, 4-circuit configuration, and 14-SOIC packaging. These include LF347M/NOPB, LF347MX/NOPB, LF444CM/NOPB, LF444CMX/NOPB, LF247DT, LF347D, LF347DT, and TL074IYDT. These alternatives offer enhanced or reduced performance specifications suitable for applications with different operational requirements.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Span (V)	Temp Range (°C)	Package	Product Status
TLE2064CDG4	Texas Instruments	J-FET	4	3.4	2	4	900	1.25	80	7–36	0–70	14-SOIC	Last Time Buy
TLE2064CD	Texas Instruments	J-FET	4	3.4	2	4	900	1.25	80	7–36	0–70	14-SOIC	Last Time Buy
TLE2064CDR	Texas Instruments	J-FET	4	3.4	2	4	900	1.25	80	7–36	0–70	14-SOIC	Active
LF347M/NOPB	Texas Instruments	J-FET	4	13	4	50	5000	7.2	—	10–36	0–70	14-SOIC	Active
LF347MX/NOPB	Texas Instruments	J-FET	4	13	4	50	5000	7.2	—	10–36	0–70	14-SOIC	Active
LF444CM/NOPB	Texas Instruments	J-FET	4	1	1	10	3000	0.6	14	36–36	0–70	14-SOIC	Active
LF444CMX/NOPB	Texas Instruments	J-FET	4	1	1	10	3000	0.6	14	36–36	0–70	14-SOIC	Active
LF247DT	STMicroelectronics	J-FET	4	16	4	20	3000	1.4	40	44–44	−40–105	14-SO	Active
LF347D	STMicroelectronics	J-FET	4	16	3	20	3000	1.4	40	44–44	0–70	14-SO	Active
LF347DT	STMicroelectronics	J-FET	4	16	4	20	3000	1.4	40	44–44	0–70	14-SO	Active
TL074IYDT	STMicroelectronics	J-FET	4	13	3	20	3000	1.4	40	6–36	−40–105	14-SO	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

The TLE2064CDR is the recommended primary substitute. This part maintains identical electrical specifications to the TLE2064CDG4 (3.4 V/µs slew rate, 2 MHz gain bandwidth product, 4 pA input bias current, 900 µV input offset voltage, 1.25 mA supply current, 80 mA output current per channel, 7–36 V supply span, 0–70°C operating temperature) while offering Active product status. The TLE2064CDR is supplied in Tape & Reel packaging with 3695 units in stock. Both parts are manufactured by Texas Instruments and maintain ROHS3 compliance with MSL 1 rating.

The TLE2064CD is an alternative direct equivalent supplied in Tube packaging with 2500 units in stock, also maintaining Active product status and identical electrical specifications.

For Enhanced Performance Applications:

The LF347MX/NOPB and LF347M/NOPB offer increased slew rate (13 V/µs versus 3.4 V/µs) and higher gain bandwidth product (4 MHz versus 2 MHz). These parts are suitable for applications requiring faster transient response. The LF347MX/NOPB is supplied in Cut Tape & Digi-Reel packaging with 25200 units in stock, providing superior availability. Both maintain ROHS3 compliance and 0–70°C operating temperature range. Supply voltage minimum increases to 10 V.

The TL074IYDT provides 13 V/µs slew rate with 3 MHz gain bandwidth product and extended operating temperature range (−40–105°C). This part supports 6–36 V supply span, matching the lower supply voltage capability of the original TLE2064CDG4. Manufactured by STMicroelectronics with 4059 units in stock.

For Low-Power Applications:

The LF444CMX/NOPB and LF444CM/NOPB offer reduced supply current (0.6 mA versus 1.25 mA) and lower output current per channel (14 mA versus 80 mA). These parts are suitable for battery-powered or power-constrained applications. The LF444CMX/NOPB is supplied in Cut Tape & Digi-Reel packaging with 30100 units in stock. Supply voltage is fixed at 36 V.

For Extended Temperature Range:

The LF247DT supports −40–105°C operating temperature with 16 V/µs slew rate and 4 MHz gain bandwidth product. This part is manufactured by STMicroelectronics with 17352 units in stock and is suitable for industrial or automotive applications requiring wider temperature operation.

Compliance and Certification:

All recommended substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage practices. All parts carry EAR99 ECCN classification and REACH Unaffected status.

Frequently Asked Questions (FAQ)

Q: Can TLE2064CDR be used as a direct replacement for TLE2064CDG4?

A: Yes. The TLE2064CDR is electrically identical to the TLE2064CDG4, with matching slew rate (3.4 V/µs), gain bandwidth product (2 MHz), input bias current (4 pA), input offset voltage (900 µV), supply current (1.25 mA), output current (80 mA), and supply voltage range (7–36 V). The primary difference is packaging format: TLE2064CDR is supplied in Tape & Reel while TLE2064CDG4 is supplied in Tube. Both are 14-SOIC surface mount packages with identical pinout and footprint.

Q: What is the difference between TLE2064CD and TLE2064CDR?

A: Both parts are electrically identical to the TLE2064CDG4. The difference is packaging: TLE2064CD is supplied in Tube packaging, while TLE2064CDR is supplied in Tape & Reel packaging. Selection depends on assembly process requirements and quantity needs.

Q: Can LF347MX/NOPB replace TLE2064CDG4 in all applications?

A: LF347MX/NOPB is functionally compatible but with different electrical specifications. It offers higher slew rate (13 V/µs versus 3.4 V/µs) and higher gain bandwidth product (4 MHz versus 2 MHz), making it suitable for applications requiring faster response. However, it has higher input bias current (50 pA versus 4 pA), higher input offset voltage (5 mV versus 900 µV), and higher supply current (7.2 mA versus 1.25 mA). Minimum supply voltage increases to 10 V. Verify application requirements before substitution.

Q: What are the key differences between Texas Instruments and STMicroelectronics J-FET amplifiers in this list?

A: Texas Instruments parts (TLE2064 series, LF347, LF444) and STMicroelectronics parts (LF247, LF347, TL074) differ in electrical performance and operating temperature ranges. STMicroelectronics LF247DT and TL074IYDT support extended temperature ranges (−40–105°C) compared to Texas Instruments parts (0–70°C). STMicroelectronics parts generally feature higher slew rates (13–16 V/µs) and different supply voltage specifications. Both manufacturers maintain ROHS3 compliance and MSL 1 ratings.

Q: Is the 14-SOIC package identical between all listed parts?

A: All parts use 14-SOIC surface mount packaging with 0.154" (3.90 mm) width. However, some parts are designated as 14-SO by the manufacturer (STMicroelectronics parts). These are mechanically and electrically compatible with 14-SOIC footprints. Verify PCB footprint compatibility with specific manufacturer datasheets if required.

Q: Why does LF444CMX/NOPB have a fixed 36 V supply voltage specification?

A: The LF444CMX/NOPB is specified with a fixed 36 V supply span (minimum and maximum both 36 V), indicating this part is optimized for single-supply operation at 36 V. This differs from the TLE2064CDG4, which supports 7–36 V dual-supply or single-supply operation. The LF444CMX/NOPB is suitable only for applications operating at 36 V supply.

Q: What is the significance of "Last Time Buy" status for TLE2064CDG4?

A: Last Time Buy status indicates the manufacturer has discontinued or will discontinue production of this part. Existing inventory may be limited, and future availability is not guaranteed. Substitution with Active status parts (such as TLE2064CDR, LF347MX/NOPB, or LF444CMX/NOPB) ensures long-term supply chain reliability and design continuity.

Q: Can I use LF247DT in applications requiring 0–70°C operation?

A: LF247DT supports −40–105°C operating temperature, which exceeds the 0–70°C requirement. It is suitable for this application. However, verify that the higher slew rate (16 V/µs versus 3.4 V/µs), different gain bandwidth product (4 MHz versus 2 MHz), and fixed 44 V supply span do not conflict with circuit design requirements.

Q: What packaging options are available for equivalent parts?

A: Packaging options include Tube (standard packaging for manual assembly), Tape & Reel (for automated assembly), and Cut Tape & Digi-Reel (for mixed-volume assembly). All parts maintain identical 14-SOIC surface mount footprints. Selection depends on assembly process and volume requirements.

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