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TLV27L1CDBVR Equivalent & Substitute Parts
Part Overview
The TLV27L1CDBVR is a general-purpose operational amplifier manufactured by Texas Instruments, designed for rail-to-rail applications in a compact SOT-23-5 surface mount package. This single-circuit amplifier operates across a supply voltage range of 2.7 V to 16 V and is classified as an Active product with ROHS3 compliance. The device is suitable for low-power analog signal conditioning, filtering, and amplification applications requiring minimal input bias current and moderate bandwidth performance.
Substitute parts become necessary when the primary device reaches end-of-life status, inventory constraints occur, or application requirements demand enhanced performance characteristics such as higher slew rate, improved gain-bandwidth product, or extended operating temperature ranges.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 0.06 | V/µs |
| Gain Bandwidth Product | 160 | kHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 500 | µV |
| Current - Supply | 7 | µA |
| Current - Output / Channel | 400 | µA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 16 | V |
| Operating Temperature | 0 to 70 | °C |
| Package / Case | SC-74A, SOT-753 | — |
| Supplier Device Package | SOT-23-5 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution compatibility for the TLV27L1CDBVR is determined by the following critical parameters:
Primary Compatibility Criteria:
- Single-circuit operational amplifier configuration
- Rail-to-rail output capability
- SOT-23-5 package footprint (SC-74A, SOT-753 case)
- Supply voltage range overlap (minimum 2.7 V to 16 V span)
- Surface mount mounting type
- ROHS3 compliance and MSL 1 rating
Performance Flexibility Parameters:
- Slew rate: Substitute parts may exceed 0.06 V/µs without restriction
- Gain-bandwidth product: Substitute parts may exceed 160 kHz without restriction
- Input bias current: Substitute parts must maintain ≤1 pA or lower
- Input offset voltage: Substitute parts may vary within ±200 µV tolerance
- Supply current: Substitute parts may exceed 7 µA without restriction
- Output current: Substitute parts may exceed 400 µA without restriction
- Operating temperature: Substitute parts may extend beyond 0°C to 70°C range
Package Considerations: Substitute parts in SOT-25 package format (TLV271CW5-7, TLV271IW5-7) maintain electrical compatibility but require PCB layout verification due to different pin configuration. Substitute parts in 5-TSOP package format (TLV271SN1T1G, TLV271SN2T1G) are mechanically compatible with SOT-23-5 footprints.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (µV) | Supply Current (mA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package | Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TLV27L1CDBVR | Texas Instruments | General Purpose | 0.06 | 0.16 | 1 | 500 | 0.007 | 0.4 | 2.7 | 16 | 0 to 70 | SOT-23-5 | Active |
| AD8638ARJZ-REEL7 | Analog Devices Inc. | Zero-Drift | 2 | 1.5 | 1 | 3 | 1.25 | 37 | 5 | 16 | -40 to 125 | SOT-23-5 | Active |
| AD8665ARJZ-REEL7 | Analog Devices Inc. | General Purpose | 3.5 | 4 | 0.2 | 600 | 1.15 | 140 | 5 | 16 | -40 to 125 | SOT-23-5 | Active |
| MCP6H01T-E/OT | Microchip Technology | General Purpose | 0.8 | 1.2 | 10 | 700 | 0.135 | — | 3.5 | 16 | -40 to 125 | SOT-23-5 | Active |
| TLV271CW5-7 | Diodes Incorporated | CMOS | 2 | 1.9 | 1 | 500 | 0.55 | 8 | 2.7 | 16 | 0 to 70 | SOT-25 | Active |
| TLV271IW5-7 | Diodes Incorporated | CMOS | 2 | 1.9 | 1 | 500 | 0.55 | 8 | 2.7 | 16 | -40 to 125 | SOT-25 | Active |
| TLV271SN1T1G | onsemi | General Purpose | 2.6 | 3 | 1 | 500 | 0.49 | 8 | 2.7 | 16 | -40 to 105 | 5-TSOP | Active |
| TLV271SN2T1G | onsemi | General Purpose | 2.6 | 3 | 1 | 500 | 0.49 | 8 | 2.7 | 16 | -40 to 105 | 5-TSOP | Active |
Engineering Selection Recommendations
Direct Substitutes (Identical Package, Active Status):
The AD8665ARJZ-REEL7 and AD8638ARJZ-REEL7 are manufactured by Analog Devices Inc. and maintain the SOT-23-5 package format with ROHS3 compliance and MSL 1 rating. Both devices are Active products with full inventory availability. The AD8665ARJZ-REEL7 is a general-purpose amplifier offering enhanced slew rate (3.5 V/µs) and gain-bandwidth product (4 MHz) compared to the TLV27L1CDBVR, with extended operating temperature range (-40°C to 125°C). The AD8638ARJZ-REEL7 is a zero-drift variant providing superior input offset voltage (3 µV) and extended temperature performance, suitable for precision applications.
The MCP6H01T-E/OT from Microchip Technology maintains SOT-23-5 packaging and Active product status with ROHS3 compliance. This device operates across an extended supply voltage minimum of 3.5 V and provides moderate slew rate (0.8 V/µs) with 1.2 MHz gain-bandwidth product. Input bias current is specified at 10 pA, which exceeds the TLV27L1CDBVR specification.
Alternative Package Substitutes (Active Status, Electrical Compatibility):
The TLV271SN1T1G and TLV271SN2T1G from onsemi are packaged in 5-TSOP format, which is mechanically compatible with SOT-23-5 footprints. Both devices maintain general-purpose amplifier classification with identical input bias current (1 pA) and input offset voltage (500 µV) specifications. These parts offer improved slew rate (2.6 V/µs) and gain-bandwidth product (3 MHz) with extended operating temperature range (-40°C to 105°C). Both are Active products with ROHS3 compliance and high inventory availability.
The TLV271CW5-7 and TLV271IW5-7 from Diodes Incorporated are packaged in SOT-25 format, requiring PCB layout verification. Both maintain CMOS amplifier classification with identical input specifications to the TLV27L1CDBVR. The TLV271IW5-7 extends operating temperature to -40°C to 125°C and offers significantly higher inventory (125,807 pcs). Both are Active products with ROHS3 compliance and MSL 1 rating.
Discontinued Product Consideration:
The AD8665ARJZ-R2 is listed as Discontinued at DiGi Electronics and should not be selected for new designs despite electrical compatibility.
Frequently Asked Questions (FAQ)
Q: Can the AD8665ARJZ-REEL7 directly replace the TLV27L1CDBVR in existing designs?
A: Yes. Both devices are packaged in SOT-23-5 format with identical pin configuration. The AD8665ARJZ-REEL7 maintains rail-to-rail output capability and supply voltage range compatibility (5 V to 16 V overlaps with 2.7 V to 16 V specification). The substitute offers superior performance with higher slew rate and gain-bandwidth product. Verify that the application does not require operation below 5 V supply voltage.
Q: What is the difference between the TLV271SN1T1G and TLV271SN2T1G?
A: Both devices are electrically identical with identical part specifications. The difference is in manufacturing lot or date code designation. Both are packaged in 5-TSOP format and are suitable for direct substitution with SOT-23-5 footprints.
Q: Why do the TLV271CW5-7 and TLV271IW5-7 use SOT-25 packaging instead of SOT-23-5?
A: The TLV271 series from Diodes Incorporated is available in multiple package options. The SOT-25 package is a five-pin variant that maintains electrical compatibility but requires PCB layout adjustment. The TLV271IW5-7 offers extended temperature range (-40°C to 125°C) compared to the TLV271CW5-7 (0°C to 70°C), matching the TLV27L1CDBVR operating range.
Q: Is the MCP6H01T-E/OT suitable for low-power applications?
A: The MCP6H01T-E/OT supply current specification is 135 µA, which is approximately 19 times higher than the TLV27L1CDBVR (7 µA). This device is not recommended for battery-powered or ultra-low-power applications. Select this substitute only when extended supply voltage range (3.5 V minimum) or extended operating temperature is required and power consumption is not a constraint.
Q: What is the significance of the zero-drift amplifier classification for the AD8638ARJZ-REEL7?
A: Zero-drift amplifiers employ internal chopper-stabilization techniques to minimize input offset voltage drift over temperature and time. The AD8638ARJZ-REEL7 specifies 3 µV input offset voltage compared to 500 µV for the TLV27L1CDBVR. This device is suitable for precision measurement and instrumentation applications where offset voltage stability is critical.
Q: Can substitute parts be mixed in the same production batch?
A: All listed substitute parts maintain ROHS3 compliance and MSL 1 rating. Electrical compatibility is confirmed for all devices. However, manufacturing process differences between Texas Instruments, Analog Devices Inc., Microchip Technology, Diodes Incorporated, and onsemi may introduce minor variations in performance characteristics. Verify that application tolerances accommodate these variations before mixing suppliers in production.
Q: Which substitute offers the best inventory availability?
A: The TLV271IW5-7 from Diodes Incorporated maintains the highest inventory level at 125,807 pcs. The AD8665ARJZ-REEL7 from Analog Devices Inc. provides 6,325 pcs with identical SOT-23-5 packaging and Active product status.
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