TLE2161AMJGB Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The TLE2161AMJGB is a precision voltage-feedback operational amplifier from Texas Instruments featuring 72 dB minimum CMRR, 60 nA maximum bias current, and internal frequency compensation for closed-loop gains of 5 or greater. It is housed in a ceramic dual-in-line (CDIP) package for high-reliability military and industrial applications.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TLE2161AMJGB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 90 dB typical common-mode rejection ratio (CMRR min 72 dB) for precision differential signal conditioning
- Ultra-low maximum input bias current of 60 nA at 25°C with 15 nA maximum input offset current
- Internal frequency compensation active at AVCL ≥ 5, eliminating external compensation capacitors
- Ceramic dual-in-line (CDIP) package with RoHS-compliant finish for high-reliability military and industrial environments
Applications
The TLE2161AMJGB is suited for precision instrumentation amplifiers, strain-gauge bridge signal conditioners, and data-acquisition front-ends where low bias current (60 nA max) and high CMRR (90 dB typ) are critical to achieving sub-millivolt measurement accuracy. Its ceramic DIP packaging and voltage-feedback architecture also make it appropriate for military avionics, space-qualified analog compute modules, and high-temperature industrial control circuits requiring long-term reliability.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.04 µA |
| Bias Current-Max (IIB) @25C | 0.00006 µA |
| Common-mode Reject Ratio-Min | 72dB |
| Common-mode Reject Ratio-Nom | 90dB |
| Frequency Compensation | YES (AVCL>=5) |
| Input Offset Current-Max (IIO) | 0.015 µA |
| Input Offset Voltage-Max | 1500 µV |
| JESD-30 Code | R-GDIP-T8 |
| JESD-609 Code | e0 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -19 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 1 |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Screening Level | 38535Q/M;38534H;883B |
| Slew Rate-Min | 5V/us |
| Slew Rate-Nom | 10V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 0.35mA |
| Supply Voltage Limit-Max | 19V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 6400 |
| Voltage Gain-Min | 500 |
| Wideband | NO |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input bias and offset current specifications make the TLE2161AMJGB suitable for high-impedance sensor interfaces?
The TLE2161AMJGB specifies a maximum input bias current (IIB) of 60 nA at 25°C and a maximum input offset current (IIO) of 15 nA. When connected to a 1 MΩ source impedance, the 60 nA bias current produces only 60 mV of voltage error, preserving sub-millivolt-level accuracy for thermocouple and pH-electrode conditioning circuits.
How does the TLE2161AMJGB's CMRR specification benefit differential measurement in noisy industrial environments?
With a minimum CMRR of 72 dB and a typical value of 90 dB, the TLE2161AMJGB rejects common-mode interference—such as 50 Hz or 60 Hz mains noise—by a factor of at least 4,000:1 (72 dB). This level of rejection is sufficient for bridge-sensor amplifiers operating in 4–20 mA industrial loops where common-mode voltages of several volts can appear on signal lines.
What closed-loop gain constraint does the TLE2161AMJGB's internal frequency compensation impose, and when is this a design consideration?
The internal frequency compensation is active for closed-loop gains of 5 (AVCL ≥ 5), meaning the amplifier is not unity-gain stable. Designers using it as a voltage follower (gain 1) or at gains below 5 must add external feedback compensation or choose an unconditionally stable op-amp instead. For typical instrumentation gains of 10 to 1000, this constraint is irrelevant and the internal compensation eliminates the need for an external capacitor.
What package does the TLE2161AMJGB use, and how does its ceramic construction benefit long-term reliability?
The TLE2161AMJGB is assembled in a ceramic dual-in-line (CDIP) package. Ceramic hermetic packages exhibit moisture absorption rates orders of magnitude lower than plastic packages, enabling operation across extended temperature ranges and meeting MIL-STD-883 screening criteria for avionics and defense applications where plastic DIP parts would fail accelerated life tests over thousands of hours.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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