TL5580ID Equivalent & Substitute Parts

Part Overview

The TL5580ID is a general-purpose operational amplifier manufactured by Texas Instruments, configured as a 2-circuit integrated circuit in 8-SOIC surface mount packaging. This device is classified as obsolete, indicating discontinued production and limited availability for new designs. The TL5580ID operates across a wide supply voltage range of 4V to 32V with an operating temperature range of -40°C to 85°C, making it suitable for industrial and commercial applications requiring dual-channel amplification.

Substitute components are necessary due to the obsolete status of the TL5580ID. Active alternatives provide equivalent or enhanced performance characteristics while maintaining design compatibility through matching electrical specifications and identical package geometries.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Slew Rate	5	V/µs
Gain Bandwidth Product	12	MHz
Current - Input Bias	100	nA
Voltage - Input Offset	300	µV
Current - Supply	6	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	4	V
Voltage - Supply Span (Max)	32	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the TL5580ID is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Electrical Compatibility Requirements:

Dual-circuit (2-channel) configuration
General-purpose or voltage feedback amplifier topology
Slew rate between 3V/µs and 400V/µs
Gain bandwidth product between 4 MHz and 15 MHz
Input bias current between 20 pA and 250 nA
Input offset voltage between 150 µV and 500 µV
Output current per channel between 25 mA and 50 mA
Supply voltage range minimum of 4V to 6V
Supply voltage range maximum of 30V to 36V

Mechanical Compatibility Requirements:

8-SOIC or 8-SOP surface mount package
Package width of 3.90mm to 4.40mm
Surface mount mounting type

Compliance Requirements:

ROHS3 compliance
Moisture sensitivity level 1 (unlimited)
REACH unaffected status

Substitute parts are grouped into two functional categories: general-purpose amplifiers (BA15218F-E2, MC33078D, MC33078DT) and J-FET amplifiers (AD746JRZ, LF253DT, LF353DT, LT1355CS8 variants). Voltage feedback amplifiers (LT1355 series) provide enhanced slew rate performance while maintaining core electrical compatibility.

Parameter Comparison

Parameter	TL5580ID	BA15218F-E2	AD746JRZ	LF253DT	LF353DT	LT1355CS8	MC33078D	MC33078DT
Amplifier Type	General Purpose	General Purpose	J-FET	J-FET	J-FET	Voltage Feedback	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2
Slew Rate (V/µs)	5	3	75	16	16	400	7	7
Gain Bandwidth Product (MHz)	12	10	13	4	4	12	15	15
Current - Input Bias (nA/pA)	100 nA	50 nA	110 pA	20 pA	20 pA	80 nA	250 nA	250 nA
Voltage - Input Offset (µV/mV)	300 µV	500 µV	300 µV	3 mV	3 mV	300 µV	150 µV	150 µV
Current - Supply (mA)	6	5	7	1.4 (x2)	1.4 (x2)	1 (x2)	4	4
Current - Output / Channel (mA)	50	50	25	40	40	30	37	37
Voltage - Supply Span Min (V)	4	4	9	6	6	5	5	5
Voltage - Supply Span Max (V)	32	32	36	36	36	30	30	30
Operating Temperature (°C)	-40 to 85	-40 to 85	0 to 70	-40 to 105	0 to 70	0 to 70	-40 to 105	-40 to 105
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

General-Purpose Amplifier Substitutes (Direct Topology Match):

BA15218F-E2 (Rohm Semiconductor) provides the closest electrical match to the TL5580ID with identical supply voltage range (4V to 32V), matching output current capability (50 mA per channel), and equivalent input offset voltage (500 µV). This device maintains general-purpose amplifier topology and is actively produced. Package width differs slightly (4.40mm versus 3.90mm) but remains within 8-SOIC form factor compatibility. Operating temperature range is identical (-40°C to 85°C).

MC33078D and MC33078DT (STMicroelectronics) offer enhanced performance with higher gain bandwidth product (15 MHz versus 12 MHz) and lower input offset voltage (150 µV versus 300 µV). Both variants are actively produced with automotive-grade qualification (AEC-Q100). Operating temperature extends to 105°C. Supply voltage maximum is reduced to 30V, which is acceptable for most applications within the 4V to 30V range.

J-FET Amplifier Substitutes (Enhanced Input Characteristics):

LF253DT and LF353DT (STMicroelectronics) feature extremely low input bias current (20 pA versus 100 nA), beneficial for high-impedance signal sources. Both devices are actively produced in 8-SOIC packages with identical 3.90mm width. LF253DT extends operating temperature to 105°C; LF353DT operates 0°C to 70°C. Supply voltage range is 6V to 36V. Slew rate is 16V/µs, providing faster transient response than the TL5580ID.

AD746JRZ (Analog Devices Inc.) is a J-FET amplifier with superior slew rate (75V/µs) and extremely low input bias current (110 pA). Operating temperature range is 0°C to 70°C with supply voltage 9V to 36V. Output current per channel is reduced to 25 mA, which may limit applications requiring higher output drive.

Voltage Feedback Amplifier Substitutes (High-Speed Performance):

LT1355CS8, LT1355CS8#PBF, LT1355CS8#TR, and LT1355CS8#TRPBF (Analog Devices Inc., LT® series) deliver exceptional slew rate (400V/µs) with matching gain bandwidth product (12 MHz) and input offset voltage (300 µV). These devices are actively produced with multiple packaging options. Supply voltage range is 5V to 30V. Operating temperature is 0°C to 70°C. Current supply is significantly reduced (1 mA per channel pair versus 6 mA total), providing power efficiency benefits.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance, moisture sensitivity level 1 (unlimited), and REACH unaffected status, matching the TL5580ID regulatory profile. All devices are actively produced with substantial inventory availability, ensuring long-term supply continuity.

Frequently Asked Questions (FAQ)

Q: Can BA15218F-E2 replace TL5580ID in existing PCB layouts?

A: BA15218F-E2 is mechanically compatible as an 8-SOIC surface mount package. Package width is 4.40mm compared to 3.90mm for TL5580ID, which may require PCB footprint verification. Electrical parameters are compatible within the specified ranges. Pin configuration must be verified against the original design schematic.

Q: What is the primary advantage of LF253DT or LF353DT over the TL5580ID?

A: LF253DT and LF353DT feature input bias current of 20 pA compared to 100 nA in the TL5580ID. This 5000-fold reduction in input bias current is advantageous for high-impedance applications such as precision instrumentation, sensor interfaces, and transimpedance amplifier circuits where input leakage current must be minimized.

Q: Why does AD746JRZ have lower output current per channel (25 mA) than TL5580ID (50 mA)?

A: AD746JRZ is optimized for high-speed, low-noise applications using J-FET input architecture. The reduced output current specification reflects design trade-offs prioritizing slew rate (75V/µs) and input characteristics over output drive capability. Applications requiring 50 mA output current should select BA15218F-E2, MC33078D, or MC33078DT.

Q: Are LT1355 variants suitable for low-power applications?

A: Yes. LT1355CS8 variants consume only 1 mA per channel pair (2 mA total) compared to 6 mA for TL5580ID. This 3-fold reduction in supply current makes LT1355 variants suitable for battery-powered and energy-constrained applications. The trade-off is reduced maximum supply voltage (30V versus 32V for TL5580ID).

Q: What is the operating temperature consideration when selecting a substitute?

A: TL5580ID operates -40°C to 85°C. BA15218F-E2 and MC33078D/DT maintain this range. LF253DT extends to 105°C, providing margin for high-temperature environments. AD746JRZ, LF353DT, and LT1355 variants operate 0°C to 70°C, which is acceptable for commercial and industrial applications but excludes extended-temperature designs requiring -40°C operation.

Q: Can LT1355CS8 replace TL5580ID in high-frequency applications?

A: LT1355CS8 provides superior high-frequency performance with 400V/µs slew rate compared to 5V/µs for TL5580ID. Gain bandwidth product is identical (12 MHz). However, maximum supply voltage is reduced to 30V. Applications operating above 30V supply voltage require BA15218F-E2, MC33078D/DT, or J-FET alternatives (LF253DT, LF353DT, AD746JRZ).

Q: Is package width difference between TL5580ID (3.90mm) and BA15218F-E2 (4.40mm) critical?

A: Both devices use 8-SOIC form factor with identical pin pitch (1.27mm). The 0.50mm width difference may require PCB footprint adjustment. Verify that the wider package does not create clearance conflicts with adjacent components or board edge constraints. Pin-to-pin electrical compatibility is maintained.

Q: Which substitute provides the best balance of performance and compatibility?

A: MC33078D and MC33078DT offer optimal balance with active production status, automotive-grade qualification (AEC-Q100), enhanced performance (15 MHz gain bandwidth, 150 µV input offset), extended temperature range (-40°C to 105°C), and identical supply voltage range (5V to 30V). These devices are suitable for industrial, automotive, and commercial applications requiring reliability and long-term availability.

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