TLV2241CD Equivalent & Substitute Parts

Part Overview

The TLV2241CD is a general-purpose operational amplifier manufactured by Texas Instruments, packaged in 8-SOIC surface mount configuration. This device features rail-to-rail output capability and is designed for low-power applications requiring single-circuit amplification. The TLV2241CD is classified as obsolete product status, necessitating identification of active equivalent and substitute components for ongoing design support and procurement continuity. Substitute parts must maintain functional compatibility through matching electrical specifications and identical mechanical packaging.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	12	V
Operating Temperature	0°C ~ 70°C	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the TLV2241CD is determined by the following mandatory criteria:

Primary Compatibility Requirements:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Amplifier Type: General Purpose
Number of Circuits: 1
Output Type: Rail-to-Rail
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Electrical Operating Range:

Voltage - Supply Span (Min): 2.5 V or lower
Voltage - Supply Span (Max): 12 V or higher
Operating Temperature: Must support 0°C ~ 70°C minimum

Substitute parts are grouped into two categories:

Category 1: Direct Manufacturer Equivalent (Texas Instruments) TLV2241IDR represents the active production equivalent from the original manufacturer, maintaining identical electrical specifications and packaging while offering extended operating temperature range and active product status.

Category 2: Cross-Manufacturer Alternatives (Advanced Linear Devices Inc.) ALD1721GSAL, ALD1721SAL, ALD1722GSAL, ALD1722SAL, ALD1726GSAL, and ALD1726SAL provide functional substitution through matching package geometry and rail-to-rail output capability. These parts maintain 8-SOIC packaging and surface mount configuration while offering enhanced electrical performance characteristics in specific parameters.

Parameter Comparison

Part Number	Manufacturer	Product Status	Slew Rate (V/µs)	Gain Bandwidth Product (kHz)	Current - Input Bias (pA)	Voltage - Input Offset (µV)	Current - Supply (µA)	Current - Output / Channel (mA)	Voltage - Supply Span Min (V)	Voltage - Supply Span Max (V)	Operating Temperature (°C)	Packaging
TLV2241CD	Texas Instruments	Obsolete	0.002	5.5	100	600	1	0.2	2.5	12	0 ~ 70	8-SOIC Tube
TLV2241IDR	Texas Instruments	Active	0.002	5.5	100	600	1	0.2	2.5	12	-40 ~ 85	8-SOIC Tape & Reel
ALD1721GSAL	Advanced Linear Devices Inc.	Active	1	1000	0.01	150	110	1	2	10	0 ~ 70	8-SOIC Tube
ALD1721SAL	Advanced Linear Devices Inc.	Active	1	1000	0.01	50	110	1	2	10	0 ~ 70	8-SOIC Tube
ALD1722GSAL	Advanced Linear Devices Inc.	Active	2.8	1700	0.01	80	800	8	4	10	0 ~ 70	8-SOIC Tube
ALD1722SAL	Advanced Linear Devices Inc.	Active	2.8	1700	0.01	25	800	8	4	10	0 ~ 70	8-SOIC Tube
ALD1726GSAL	Advanced Linear Devices Inc.	Active	0.17	400	0.01	150	25	0.2	2	10	0 ~ 70	8-SOIC Tube
ALD1726SAL	Advanced Linear Devices Inc.	Active	0.17	400	0.01	70	25	0.2	2	10	0 ~ 70	8-SOIC Tube

Engineering Selection Recommendations

Primary Recommendation: TLV2241IDR

TLV2241IDR is the manufacturer-recommended direct equivalent from Texas Instruments. This part maintains identical electrical specifications to the obsolete TLV2241CD while offering active product status and extended operating temperature range (-40°C ~ 85°C). The primary distinction is packaging format: TLV2241IDR is supplied in Tape & Reel configuration versus the original Tube packaging. Both parts are ROHS3 compliant with MSL 1 rating. Selection of TLV2241IDR ensures maximum design compatibility with minimal qualification effort.

Secondary Recommendations: Advanced Linear Devices ALD Series

The ALD1726GSAL and ALD1726SAL provide functional substitution with closest electrical alignment to the TLV2241CD. These parts maintain identical 8-SOIC packaging, rail-to-rail output, and operating temperature range (0°C ~ 70°C). The ALD1726 series offers superior input bias current (0.01 pA versus 100 pA) and lower supply current (25 µA versus 1 µA), with comparable slew rate and gain bandwidth product characteristics. Supply voltage range is 2 V to 10 V, which encompasses the TLV2241CD operating window.

The ALD1721 and ALD1722 series offer enhanced performance characteristics including higher slew rates and gain bandwidth products, suitable for applications requiring improved dynamic response. These parts maintain ROHS3 compliance and MSL 1 rating. Selection of ALD series components requires verification of supply voltage compatibility, as maximum supply voltage is limited to 10 V compared to 12 V for the TLV2241CD.

All substitute parts maintain 8-SOIC surface mount packaging, enabling direct PCB layout compatibility without redesign.

Frequently Asked Questions (FAQ)

Q1: Can TLV2241IDR be used as a direct replacement for TLV2241CD without PCB modification?

A: TLV2241IDR maintains identical electrical specifications and 8-SOIC package geometry as TLV2241CD. The primary difference is packaging format: TLV2241IDR is supplied in Tape & Reel while TLV2241CD was supplied in Tube. Both parts are compatible with identical PCB footprints. No PCB modification is required.

Q2: What are the key differences between TLV2241IDR and ALD1726SAL?

A: Both parts share 8-SOIC packaging and rail-to-rail output capability. TLV2241IDR maintains the original TLV2241CD electrical specifications including 0.002 V/µs slew rate and 5.5 kHz gain bandwidth product. ALD1726SAL offers superior input bias current (0.01 pA versus 100 pA) and lower supply current (25 µA versus 1 µA), with reduced slew rate (0.17 V/µs) and gain bandwidth product (400 kHz). Selection depends on application requirements for dynamic response and power consumption.

Q3: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed—TLV2241IDR, ALD1721GSAL, ALD1721SAL, ALD1722GSAL, ALD1722SAL, ALD1726GSAL, and ALD1726SAL—are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q4: What is the maximum supply voltage for ALD series substitutes?

A: ALD series parts (ALD1721, ALD1722, ALD1726) support maximum supply voltage of 10 V. The original TLV2241CD supports 12 V maximum. Applications requiring 10 V to 12 V operation must use TLV2241IDR or verify circuit operation within the 10 V ALD series limit.

Q5: Which substitute part offers the lowest power consumption?

A: ALD1726GSAL and ALD1726SAL offer the lowest supply current at 25 µA, compared to 1 µA for TLV2241CD and TLV2241IDR. For ultra-low-power applications, ALD1726 series provides superior efficiency while maintaining comparable output current capability (200 µA).

Q6: Can ALD1722 series be used in applications requiring high output current?

A: Yes. ALD1722GSAL and ALD1722SAL provide 8 mA output current per channel, compared to 0.2 mA for TLV2241CD. These parts are suitable for applications requiring higher output drive capability. However, supply voltage range is limited to 4 V minimum and 10 V maximum, requiring circuit verification against the original 2.5 V to 12 V specification.

Q7: What is the operating temperature range for each substitute part?

A: TLV2241IDR supports -40°C ~ 85°C. All ALD series parts (ALD1721, ALD1722, ALD1726) support 0°C ~ 70°C, matching the original TLV2241CD range. Applications requiring extended low-temperature operation below 0°C must use TLV2241IDR.

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