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TLC274IPWRG4 Equivalent & Substitute Parts
Part Overview
The TLC274IPWRG4 is a general purpose operational amplifier integrated circuit manufactured by Texas Instruments, configured as a 4-circuit device in a 14-TSSOP surface mount package. This component is discontinued at DiGi Electronics, necessitating identification of equivalent substitute parts for ongoing design requirements and production continuity. The TLC274IPWRG4 serves applications requiring low-power, general-purpose amplification across industrial and consumer electronics domains.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Amplifier Type | General Purpose |
| Number of Circuits | 4 |
| Slew Rate | 3.6 V/µs |
| Gain Bandwidth Product | 2.2 MHz |
| Current - Input Bias | 0.6 pA |
| Voltage - Input Offset | 1.1 mV |
| Current - Supply | 2.7 mA (x4 Channels) |
| Current - Output / Channel | 30 mA |
| Voltage - Supply Span | 4 V to 16 V |
| Operating Temperature Range | -40°C to 85°C |
| Package / Case | 14-TSSOP (0.173", 4.40 mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the TLC274IPWRG4 are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:
Mandatory Compatibility Criteria:
- Number of circuits: 4
- Package type: 14-TSSOP surface mount
- Package dimensions: 0.173" width, 4.40 mm width
- Voltage supply span: minimum 4 V, maximum 16 V
- Operating temperature range: -40°C to 85°C minimum
- Input offset voltage: 1.1 mV
- RoHS3 compliance
- MSL rating: 1 (Unlimited)
Substitute Classification:
Direct Equivalent (Identical Specifications): TLC274IPWR represents a direct equivalent, maintaining all electrical and mechanical parameters of the TLC274IPWRG4 while offering active product status and improved availability.
Functional Equivalent (Parameter Variations Permitted): TS27L4IPT functions as a substitute where application requirements permit tolerance of specified parameter variations. This device maintains package compatibility and core circuit count but operates under different electrical characteristics suitable for low-power CMOS applications.
Parameter Comparison
| Parameter | TLC274IPWRG4 (Main) | TLC274IPWR (Direct Equivalent) | TS27L4IPT (Functional Equivalent) |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | STMicroelectronics |
| Amplifier Type | General Purpose | General Purpose | CMOS |
| Number of Circuits | 4 | 4 | 4 |
| Slew Rate | 3.6 V/µs | 3.6 V/µs | 0.04 V/µs |
| Gain Bandwidth Product | 2.2 MHz | 2.2 MHz | 100 kHz |
| Current - Input Bias | 0.6 pA | 0.6 pA | 1 pA |
| Voltage - Input Offset | 1.1 mV | 1.1 mV | 1.1 mV |
| Current - Supply | 2.7 mA (x4 Channels) | 2.7 mA (x4 Channels) | 10 µA (x4 Channels) |
| Current - Output / Channel | 30 mA | 30 mA | 45 mA |
| Voltage - Supply Span (Min) | 4 V | 4 V | 3 V |
| Voltage - Supply Span (Max) | 16 V | 16 V | 16 V |
| Operating Temperature Range | -40°C to 85°C | -40°C to 85°C | -40°C to 125°C |
| Package / Case | 14-TSSOP | 14-TSSOP | 14-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Product Status | Discontinued at DiGi Electronics | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
TLC274IPWR Selection Criteria:
The TLC274IPWR is the primary substitute for the discontinued TLC274IPWRG4. This part maintains identical electrical specifications, including slew rate (3.6 V/µs), gain bandwidth product (2.2 MHz), supply current (2.7 mA per 4 channels), and output current capability (30 mA per channel). Both devices operate across the 4 V to 16 V supply range and -40°C to 85°C temperature window. The TLC274IPWR carries active product status with significantly higher inventory availability (3514 pieces in stock versus 887 pieces for the discontinued variant). Both parts are ROHS3 compliant with MSL rating 1 (Unlimited) and identical package specifications. Direct pin-for-pin and functional compatibility is confirmed.
TS27L4IPT Selection Criteria:
The TS27L4IPT functions as a substitute where application requirements accommodate CMOS amplifier characteristics and reduced bandwidth performance. This STMicroelectronics device maintains 4-circuit configuration and 14-TSSOP package compatibility. Key differences include significantly lower supply current consumption (10 µA versus 2.7 mA per 4 channels), reduced slew rate (0.04 V/µs versus 3.6 V/µs), and lower gain bandwidth product (100 kHz versus 2.2 MHz). The TS27L4IPT supports extended operating temperature range (-40°C to 125°C) and lower minimum supply voltage (3 V versus 4 V). This device is suitable for low-power, low-frequency applications where bandwidth and slew rate requirements are not critical. ROHS3 compliance and MSL rating 1 (Unlimited) are maintained.
Substitution Decision Logic:
Select TLC274IPWR for direct replacement in applications requiring preservation of original electrical performance specifications. Select TS27L4IPT only when application requirements explicitly permit reduced bandwidth, lower slew rate, and lower supply current operation, with confirmation that circuit design tolerates these parameter variations.
Frequently Asked Questions (FAQ)
Q: Can TLC274IPWR be used as a direct replacement for TLC274IPWRG4?
A: Yes. The TLC274IPWR is a direct equivalent with identical electrical specifications, package configuration, and pin assignment. No circuit modifications are required. The primary difference is product status (active versus discontinued) and packaging format (Cut Tape & Digi-Reel versus standard packaging).
Q: What are the key differences between TLC274IPWR and TS27L4IPT?
A: Both devices share 4-circuit configuration and 14-TSSOP packaging. TLC274IPWR maintains the original general-purpose amplifier characteristics with 3.6 V/µs slew rate and 2.2 MHz bandwidth. TS27L4IPT is a CMOS device with 0.04 V/µs slew rate and 100 kHz bandwidth, consuming significantly less supply current (10 µA versus 2.7 mA per 4 channels). Selection depends on application bandwidth and power consumption requirements.
Q: Is the TS27L4IPT pin-compatible with TLC274IPWRG4?
A: Yes. Both devices use 14-TSSOP packaging with identical pin count and configuration. However, electrical performance differences (bandwidth, slew rate, supply current) require verification that the application circuit design tolerances accommodate TS27L4IPT specifications before substitution.
Q: What is the minimum supply voltage for each substitute?
A: TLC274IPWR requires minimum 4 V supply voltage, identical to TLC274IPWRG4. TS27L4IPT operates at minimum 3 V supply voltage, permitting use in lower-voltage applications.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. TLC274IPWR and TS27L4IPT are both ROHS3 compliant with MSL rating 1 (Unlimited), matching the compliance status of TLC274IPWRG4.
Q: What is the operating temperature range for each part?
A: TLC274IPWRG4 and TLC274IPWR operate across -40°C to 85°C. TS27L4IPT supports extended range of -40°C to 125°C, suitable for applications requiring higher temperature operation.
Q: Which substitute offers the best availability?
A: TS27L4IPT offers the highest inventory availability at 35,400 pieces in stock. TLC274IPWR provides 3,514 pieces. For applications requiring immediate supply, TS27L4IPT availability is superior, provided electrical specifications are compatible with circuit requirements.
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