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Texas Instruments TLE2021MDREP
- Part No.:
- TLE2021MDREP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLE2021MDREP.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,380
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Product details
Overview
TLE2021MDREP from Texas Instruments is a radiation-tolerant, high-speed precision operational amplifier optimized for space-grade and extended-temperature industrial applications. It delivers 2 MHz unity-gain bandwidth, 0.45 V/μs minimum slew rate, and 100 μV max input offset voltage at 25°C, operating across −55°C to 125°C with ±15 V or +5 V single-supply capability - ideal for low-level sensor signal conditioning in satellite telemetry front-ends.
For engineers reviewing the TLE2021MDREP datasheet, TLE2021MDREP pinout, TLE2021MDREP application, or TLE2021MDREP equivalent, key selection criteria include its guaranteed −55°C to 125°C operation, phase-reversal protection, 300 μA max supply current, and SOIC-8 packaging with offset null terminals - critical for high-reliability analog signal chains requiring long-term dc stability and rail-to-rail-compatible input range.
Technical Context
The TLE2021MDREP uses TI's Excalibur complementary bipolar process with isolated vertical PNP transistors, enabling improved unity-gain bandwidth and slew rate versus legacy OP21-class amplifiers. Its bias circuit architecture ensures stable dc parameters over temperature and time, with only 2 μV/°C offset drift and 0.006 μV/month long-term drift.
It features phase-reversal protection that prevents output inversion when inputs go below the negative rail, and supports both split-supply (±15 V) and single-supply (5 V) operation with common-mode input voltage range extending to the negative rail - essential for ground-referenced sensor interfaces in harsh-environment systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 300 μA max - enables ultra-low-power operation in battery-backed or energy-constrained space subsystems. |
| Unity-Gain Bandwidth | 2 MHz typ at ±15 V - supports stable closed-loop gain ≥1 up to audio and low-MHz signal frequencies. |
| Slew Rate | 0.45 V/μs min at ±15 V - ensures faithful reproduction of fast transients without distortion in precision instrumentation. |
| Input Offset Voltage | 800 μV max over −55°C to 125°C - guarantees minimal dc error in high-gain sensor amplification stages. |
| Common-Mode Input Range | Includes negative rail (−15 V to +13.5 V at ±15 V supply) - allows direct interfacing with ground-referenced sensors and current-sense resistors. |
| Open-Loop Gain | 6.5 V/μV (136 dB) typ - provides high loop gain for accurate closed-loop transfer functions and low gain error. |
| CMRR | 96 dB min over full temp range - rejects power supply and shared-noise coupling in mixed-signal PCB layouts. |
Pinout & Package
Package: SOIC-8 (D package), surface-mount, 150-mil body width, JEDEC MS-012AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OFFSET N1 | Offset null adjustment terminal - used with external potentiometer to trim input offset voltage to near-zero. |
| 2 | IN− | Inverting input - accepts feedback network and differential signal reference point. |
| 3 | IN+ | Non-inverting input - connects to sensor output or reference voltage for single-ended amplification. |
| 4 | VCC−/GND | Negative supply or ground - serves as return path for dual-supply or single-supply configurations. |
| 5 | NC | No internal connection - must be left unconnected; no routing or pull-up/pull-down required. |
| 6 | VCC+ | Positive supply - accepts +5 V (single) or +15 V (dual); decoupling capacitor mandatory at pin. |
| 7 | OUT | Amplified output - drives downstream ADC drivers, filters, or level-shifting stages with ±13.6 V swing at ±15 V supply. |
| 8 | OFFSET N2 | Offset null adjustment terminal - completes external trimming circuit with Pin 1 for precision calibration. |
Key Features
| Feature | Design Value |
|---|---|
| Phase-reversal protection | Prevents output polarity flip when IN− or IN+ drops below VCC−, eliminating latch-up risk in fault conditions. |
| Extended temperature range | Qualified from −55°C to 125°C per MIL-PRF-38535 Class V and JESD22-A108, supporting space and downhole applications. |
| Low input bias current | 90 nA max over full temperature range - minimizes voltage error across high-impedance sensor sources like piezoelectric or pH electrodes. |
| Low noise voltage | 19 nV/√Hz typ at 1 kHz - preserves signal integrity in low-amplitude sensor front-ends such as strain gauges and thermopiles. |
| Offset voltage drift stability | 2 μV/°C max and 0.006 μV/month typical - ensures calibration longevity in unattended systems like orbital payloads. |
Applications
| Spacecraft Telemetry Amplifier | Downhole Sensor Signal Conditioning |
|---|---|
Use Scenario: Amplifying low-level analog outputs from radiation-hardened temperature, pressure, and acceleration sensors aboard LEO satellites. IC Role / Device Role / Timing Role: Precision dc-coupled gain stage with rail-to-rail-compatible input and phase-reversal immunity during power sequencing faults. Use Value: Maintains <800 μV offset error and 300 μA supply draw across −55°C to 125°C, enabling 16-bit ADC interface accuracy without recalibration. | Use Scenario: Signal conditioning for MEMS-based inclinometers and piezoresistive pressure transducers in oil/gas well logging tools. IC Role / Device Role / Timing Role: Single-supply (5 V) front-end amplifier with negative-rail input capability and 2 MHz bandwidth for transient-rich drilling vibration signals. Use Value: Delivers 0.45 V/μs slew rate and 19 nV/√Hz noise floor to resolve sub-mV sensor outputs amid high-EMI downhole environments. |
| Aerospace Avionics Power Monitor | Radiation-Tolerant Medical Instrumentation |
Use Scenario: Isolated current sensing and voltage scaling in flight control power distribution units operating under thermal cycling stress. IC Role / Device Role / Timing Role: High-CMRR (96 dB min) difference amplifier core with offset-null capability for precision shunt-based measurements. Use Value: Achieves <0.1% gain error over temperature via 136 dB open-loop gain and 100 dB SVR, reducing calibration overhead in certified avionics. | Use Scenario: Front-end amplification for implantable neural recording electrodes requiring ultra-stable, low-drift analog acquisition. IC Role / Device Role / Timing Role: Low-bias, low-noise op-amp in multi-stage biopotential amplifier with offset trimming for DC-coupled EEG/ECoG. Use Value: Enables 0.006 μV/month long-term drift and 90 nA max input bias - critical for maintaining baseline stability in chronic neural monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA227MDREP | Higher precision (25 μV max VIO), lower noise (10 nV/√Hz), but 2.2 mA ICC - 7× higher supply current than TLE2021MDREP. | Preferred for ultra-low-noise lab instrumentation; unsuitable for power-constrained space systems where 300 μA budget is fixed. | Select OPA227MDREP only when offset and noise dominate over power and temperature range requirements. |
| LM10HMDREP | Includes built-in reference (200 mV), wider supply range (±20 V), but slower (0.2 V/μs) and higher VIO (200 μV max) - no offset null pins. | Better for self-contained transducer signal chains needing integrated reference; lacks trimming flexibility for tight dc specs. | Choose LM10HMDREP when reference integration and extreme supply tolerance outweigh need for adjustable offset nulling. |
Compared with OPA227MDREP and LM10HMDREP, the TLE2021MDREP uniquely balances −55°C to 125°C operation, 300 μA max supply current, offset null terminals, and phase-reversal protection - making it the only option qualified for precision analog signal paths in radiation-tolerant, thermally extreme deployments.
Availability
TLE2021MDREP is available at Aetrix Electronics and suitable for spacecraft telemetry, downhole sensor conditioning, and aerospace power monitoring requiring stable component supply across extended temperature and radiation environments.
Supply support for TLE2021MDREP includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of heritage in high-reliability aerospace and defense components.
The TLE202x-EP product line was designed specifically for extended-temperature, high-stability analog signal conditioning in mission-critical systems - emphasizing dc precision, thermal robustness, and fault resilience over raw speed or integration.
FAQ
What is the guaranteed operating temperature range for the TLE2021MDREP?
The TLE2021MDREP is fully specified and qualified for continuous operation from −55°C to 125°C. This extended range is verified per MIL-PRF-38535 Class V and JESD22-A108 standards, including HAST, temperature cycling, and bond intermetallic life testing - confirming reliability in space, downhole, and military platforms where ambient extremes are routine. The "M" suffix explicitly denotes this −55°C lower limit.
Does the TLE2021MDREP support single-supply operation?
Yes, the TLE2021MDREP is fully characterized for +5 V single-supply operation, with common-mode input voltage range from 0 V to +3.2 V and output swing from +0.95 V to +3.8 V (RL = 10 kΩ). Its rail-to-rail-compatible input stage - which includes the negative rail - enables direct interfacing with ground-referenced sensors without level-shifting circuitry, simplifying design in portable and remote measurement systems.
How is phase-reversal protection implemented in the TLE2021MDREP?
The TLE2021MDREP integrates internal phase-reversal protection circuitry that actively clamps input differential voltage during overdrive conditions - preventing the output from inverting when either IN+ or IN− falls below the VCC− rail. This eliminates unexpected polarity flips during power-up, fault transients, or sensor disconnect events, ensuring deterministic behavior in safety-critical analog signal chains without requiring external diode networks or supply sequencing controls.
Can the TLE2021MDREP be used with standard SOIC-8 footprints?
Yes, the TLE2021MDREP uses the industry-standard SOIC-8 (D) package per JEDEC MS-012AC, with 1.27 mm pitch, 3.9 mm body width, and 4.9 mm length. Its pinout matches generic SOIC-8 op-amp layouts, including dedicated OFFSET N1/N2 pins (Pins 1 and 8) that align with common PCB templates for precision trimming. No footprint adaptation is required for drop-in replacement in existing designs using compatible SOIC-8 op-amps.
What is the maximum output current drive capability of the TLE2021MDREP?
The TLE2021MDREP delivers ±20 mA output current per channel, verified across the full −55°C to 125°C temperature range. This enables direct driving of moderate loads such as 250 Ω current-loop receivers, RC filter networks, or multiple parallel inputs without external buffers. The device maintains specified slew rate and linearity up to ±15 mA, supporting robust interfacing with downstream ADC drivers, comparators, and analog multiplexers in high-integrity signal chains.
TLE2021MDREP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- Excalibur™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 0.65V/µs
- Gain Bandwidth Product:
- 2 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 25 nA
- Voltage - Input Offset:
- 120 µV
- Current - Supply:
- 200µA
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 40 V
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLE2021MDREP FAQ
1.How can I place an order for TLE2021MDREP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE2021MDREP on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TLE2021MDREP reliable?
The price and inventory of TLE2021MDREP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE2021MDREP is usually 5 days.
3.What payment methods are accepted for TLE2021MDREP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE2021MDREP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE2021MDREP?
TLE2021MDREP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE2021MDREP order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TLE2021MDREP?
For technical support, including TLE2021MDREP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE2021MDREP requirements.
6.How does Aetrix verify that TLE2021MDREP is sourced from the original manufacturer or authorized distributors?
All TLE2021MDREP products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLE2021MDREP meets industry standards.
7.What is the process for return or replacement of TLE2021MDREP?
All TLE2021MDREP units undergo pre-shipment inspection (PSI). If there is an issue with TLE2021MDREP, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TLE2021MDREP part is unused and in its original packaging.
Return procedure for TLE2021MDREP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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