Request Quote
(Ships tomorrow)
LMC660CM/NOPB Equivalent & Substitute Parts
Part Overview
The LMC660CM/NOPB is a CMOS operational amplifier integrated circuit manufactured by Texas Instruments, configured as a 4-circuit push-pull, rail-to-rail amplifier in a 14-SOIC surface mount package. This device is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The LMC660CM/NOPB contains 1294 pieces in current stock.
Substitute parts are necessary due to the Last Time Buy status of the LMC660CM/NOPB. Alternative components with equivalent electrical and mechanical specifications ensure design continuity and long-term supply chain reliability for applications requiring CMOS amplifier functionality in the 14-SOIC package format.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | CMOS | — |
| Number of Circuits | 4 | — |
| Output Type | Push-Pull, Rail-to-Rail | — |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 1.1 | V/µs |
| Gain Bandwidth Product | 1.4 | MHz |
| Current - Input Bias | 0.002 | pA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply (x4 Channels) | 1.5 | mA |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 4.75 | V |
| Voltage - Supply Span (Max) | 15.5 | V |
| Operating Temperature | 0 to 70 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the LMC660CM/NOPB are grouped based on the following substitution criteria:
Primary Substitution Criteria:
- Package / Case: 14-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Number of Circuits: 4
- Output Type: Rail-to-Rail
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Substitution Groups:
Group 1: Direct Packaging Equivalent (Same Manufacturer) LMC660CMX/NOPB is a direct substitute from Texas Instruments with identical electrical specifications and 14-SOIC packaging. The primary difference is packaging format (Cut Tape & Digi-Reel® versus Tube), with significantly higher inventory availability (17,800 pieces).
Group 2: General Purpose Amplifiers with Enhanced Performance TLC2274 series devices (TLC2274ACD, TLC2274ACDR, TLC2274AID, TLC2274AIDR, TLC2274AQDR) are general purpose amplifiers with rail-to-rail output in 14-SOIC packaging. These devices exceed the LMC660CM/NOPB specifications in slew rate (3.6 V/µs versus 1.1 V/µs) and gain bandwidth product (2.25 MHz versus 1.4 MHz). Operating temperature ranges vary by grade.
Group 3: CMOS Amplifiers from Alternative Manufacturer AD8664ARZ and AD8664ARZ-REEL7 (Analog Devices Inc.) are CMOS amplifiers with superior performance characteristics including higher slew rate (3.5 V/µs), higher gain bandwidth product (4 MHz), and lower input offset voltage (50 µV). Extended operating temperature range (-40°C to 125°C) is available.
Group 4: Low-Power General Purpose Amplifiers AD8669ARZ and AD8669ARZ-REEL (Analog Devices Inc.) are general purpose amplifiers optimized for low power consumption (230 µA per 4 channels) with extended operating temperature range (-40°C to 125°C).
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (mV/µV) | Supply Current x4 (mA/µA) | Output Current (mA) | Supply Span Min (V) | Supply Span Max (V) | Temp Range (°C) | Packaging | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LMC660CM/NOPB | Texas Instruments | CMOS | 1.1 | 1.4 | 0.002 | 1 | 1.5 | 40 | 4.75 | 15.5 | 0 to 70 | Tube | 1,294 |
| LMC660CMX/NOPB | Texas Instruments | CMOS | 1.1 | 1.4 | 0.002 | 1 | 1.5 | 40 | 4.75 | 15.5 | 0 to 70 | CT & Digi-Reel® | 17,800 |
| TLC2274ACD | Texas Instruments | General Purpose | 3.6 | 2.25 | 1 | 0.3 | 4.8 | 50 | 4.4 | 16 | 0 to 70 | Tube | 10,200 |
| TLC2274ACDR | Texas Instruments | General Purpose | 3.6 | 2.25 | 1 | 0.3 | 4.8 | 50 | 4.4 | 16 | 0 to 70 | CT & Digi-Reel® | 20,100 |
| TLC2274AID | Texas Instruments | General Purpose | 3.6 | 2.25 | 1 | 0.3 | 4.8 | 50 | 4.4 | 16 | -40 to 125 | Tube | 1,372 |
| TLC2274AIDR | Texas Instruments | General Purpose | 3.6 | 2.25 | 1 | 0.3 | 4.8 | 50 | 4.4 | 16 | -40 to 125 | CT & Digi-Reel® | 17,900 |
| TLC2274AQDR | Texas Instruments | General Purpose | 3.6 | 2.25 | 1 | 0.3 | 4.8 | 50 | 4.4 | 16 | -40 to 125 | Automotive | 3,200 |
| AD8664ARZ | Analog Devices Inc. | CMOS | 3.5 | 4 | 0.3 | 0.05 | 1.25 | 140 | 5 | 16 | -40 to 125 | Tube | 2,100 |
| AD8664ARZ-REEL7 | Analog Devices Inc. | CMOS | 3.5 | 4 | 0.3 | 0.05 | 1.25 | 140 | 5 | 16 | -40 to 125 | Tape & Reel (TR) | 918 |
| AD8669ARZ | Analog Devices Inc. | General Purpose | 0.3 | 0.54 | 0.3 | 0.04 | 0.23 | 50 | 5 | 16 | -40 to 125 | Tube | 3,820 |
| AD8669ARZ-REEL | Analog Devices Inc. | General Purpose | 0.3 | 0.54 | 0.3 | 0.04 | 0.23 | 50 | 5 | 16 | -40 to 125 | Tape & Reel (TR) | 1,144 |
Engineering Selection Recommendations
For Direct Replacement (Identical Specifications): LMC660CMX/NOPB is the recommended substitute when exact electrical and mechanical compatibility is required. This part maintains all specifications of the LMC660CM/NOPB while offering significantly higher inventory (17,800 pieces) and active product status. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tube), which does not affect electrical performance or PCB assembly compatibility.
For Applications Requiring Extended Temperature Range: TLC2274AIDR or TLC2274AID provide extended operating temperature range (-40°C to 125°C) compared to the LMC660CM/NOPB (0°C to 70°C). These general purpose amplifiers are ROHS3 compliant with MSL 1 rating. TLC2274AIDR offers superior inventory availability (17,900 pieces) in Cut Tape & Digi-Reel® packaging.
For Automotive Applications: TLC2274AQDR is qualified to AEC-Q100 automotive standards with extended temperature range (-40°C to 125°C). This part is suitable for automotive-grade designs requiring 4-circuit rail-to-rail amplifier functionality in 14-SOIC packaging.
For Enhanced Performance Requirements: AD8664ARZ series (Analog Devices Inc.) provides superior electrical performance with higher slew rate (3.5 V/µs), higher gain bandwidth product (4 MHz), lower input offset voltage (50 µV), and higher output current capability (140 mA per channel). Extended operating temperature range (-40°C to 125°C) is standard. ROHS3 compliance and MSL 1 rating are maintained.
For Low-Power Applications: AD8669ARZ series offers minimal supply current consumption (230 µA for 4 channels) with extended operating temperature range (-40°C to 125°C). This device is suitable for battery-powered or power-constrained applications where the LMC660CM/NOPB's higher supply current (1.5 mA) is not acceptable.
Frequently Asked Questions (FAQ)
Q: Can LMC660CMX/NOPB be used as a direct replacement for LMC660CM/NOPB?
A: Yes. LMC660CMX/NOPB is electrically and mechanically identical to LMC660CM/NOPB. Both devices feature identical CMOS amplifier specifications, 14-SOIC packaging, and surface mount configuration. The difference is packaging format: LMC660CM/NOPB is supplied in Tube, while LMC660CMX/NOPB is supplied in Cut Tape & Digi-Reel®. Both are suitable for PCB assembly without design modifications.
Q: What is the primary reason to substitute the LMC660CM/NOPB?
A: The LMC660CM/NOPB is classified as Last Time Buy, indicating discontinued production. Substitution ensures long-term supply chain continuity. LMC660CMX/NOPB provides identical performance with active product status and higher inventory availability.
Q: Are TLC2274 series devices compatible with LMC660CM/NOPB designs?
A: TLC2274 series devices are mechanically compatible (14-SOIC package, surface mount) and functionally compatible (4-circuit, rail-to-rail amplifiers). However, electrical specifications differ: TLC2274 devices have higher slew rate (3.6 V/µs versus 1.1 V/µs), higher gain bandwidth product (2.25 MHz versus 1.4 MHz), and lower input offset voltage (300 µV versus 1 mV). These differences may affect circuit performance in applications sensitive to slew rate or bandwidth. Verification is required for designs with tight performance specifications.
Q: What is the difference between AD8664ARZ and AD8669ARZ?
A: AD8664ARZ is a CMOS amplifier optimized for high-speed applications with slew rate of 3.5 V/µs and gain bandwidth product of 4 MHz. AD8669ARZ is a general purpose amplifier optimized for low-power applications with slew rate of 0.3 V/µs and gain bandwidth product of 540 kHz. Selection depends on application bandwidth and power consumption requirements.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the compliance profile of the LMC660CM/NOPB.
Q: What packaging options are available for substitute parts?
A: Substitute parts are available in multiple packaging formats: Tube, Cut Tape & Digi-Reel®, and Tape & Reel (TR). Packaging selection does not affect electrical performance or PCB assembly compatibility. Choose based on production volume and assembly equipment requirements.
Q: Can AD8664ARZ be used in applications originally designed for LMC660CM/NOPB?
A: AD8664ARZ is mechanically compatible (14-SOIC package, surface mount) and functionally compatible (4-circuit CMOS amplifier, rail-to-rail output). However, AD8664ARZ has superior electrical performance: higher slew rate (3.5 V/µs versus 1.1 V/µs), higher gain bandwidth product (4 MHz versus 1.4 MHz), lower input offset voltage (50 µV versus 1 mV), and higher output current (140 mA versus 40 mA). These improvements are generally beneficial but may require circuit verification in applications with specific frequency response or stability requirements.
Q: What is the inventory status of substitute parts?
A: LMC660CMX/NOPB has the highest inventory (17,800 pieces) among direct equivalents. TLC2274ACDR offers 20,100 pieces. AD8664ARZ and AD8669ARZ series have lower inventory (918 to 3,820 pieces). For long-term supply assurance, LMC660CMX/NOPB is the recommended choice.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts