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Texas Instruments LM101AH/NOPB
- Part No.:
- LM101AH/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- TO-99-8 Metal Can
- Datasheet:
-
LM101AH/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TO99-8
- Quantity:
- Payment:
- Shipping:
Inventory:1,488
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Product details
Overview
LM101AH/NOPB from Texas Instruments is a general-purpose operational amplifier with internal compensation capacitor support, designed for precision analog signal conditioning in industrial and military-grade systems. It delivers 10 V/μs slew rate as a summing amplifier, 3 mV max input offset voltage over temperature, and operates across −55°C to +125°C. It is used in integrators, sample-and-hold circuits, and fast AC/DC converters requiring stable DC accuracy and wide supply range.
For engineers reviewing the LM101AH/NOPB datasheet, LM101AH/NOPB pinout, LM101AH/NOPB application, or LM101AH/NOPB equivalent, key selection criteria include its −55°C to +125°C operating range, TO-99 metal-can package, external frequency compensation flexibility, low 100 nA max input bias current, and guaranteed 3 mV max offset voltage over full temperature range.
Technical Context
The LM101AH/NOPB employs a bipolar input stage with advanced biasing circuitry that reduces input current drift and enables operation beyond the common-mode range without latch-up. Its open-loop gain exceeds 25 V/mV at ±15 V supplies with 2 kΩ load, and it supports single-pole, two-pole, or feedforward compensation configurations via an external capacitor on Pin 5.
It features built-in input and output overload protection, no phase reversal when common-mode voltage exceeds rails, and stable operation with a single 30 pF capacitor-unlike internally compensated op amps. The device's 1.5–4.0 MΩ typical input resistance and 0.1 nA/°C typical input offset current drift enable high-impedance timing and integration applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±5 V to ±22 V - supports wide-rail industrial power supplies and legacy ±15 V systems |
| Input Offset Voltage (max) | 3 mV over −55°C to +125°C - ensures DC accuracy in precision sensor interfaces and long-interval integrators |
| Input Bias Current (max) | 100 nA over −55°C to +125°C - enables use in high-Z sample-and-hold and low-leakage timing circuits |
| Slew Rate | 10 V/μs as summing amplifier - supports fast transient response in active filters and pulse conditioning |
| Large Signal Voltage Gain | 25 V/mV min at ±15 V - provides sufficient loop gain for stable closed-loop configurations up to 10 kHz |
| Common-Mode Rejection Ratio | 80 dB min - rejects noise in differential sensing applications with unbalanced source impedances |
| Output Voltage Swing | ±12 V into 10 kΩ at ±15 V supplies - delivers rail-to-rail usable dynamic range in line-driven outputs |
Pinout & Package
LM101AH/NOPB uses the TO-99 metal-can package (package number LMC0008C), 8-pin, hermetically sealed, with center tab connected to Pin 4 (V−). Mounting requires thermal and mechanical grounding of the can to chassis or heatsink for stability and EMI immunity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Offset Null | Connects to external potentiometer for manual input offset trimming; critical for <100 μV DC error applications |
| 2 | Inverting Input (−) | Differential input node; accepts signals up to ±15 V with supply ≥±15 V; protected against gross overvoltage |
| 3 | Non-Inverting Input (+) | Differential input node; supports common-mode voltage beyond rails without phase reversal or latch-up |
| 4 | V− | Negative supply terminal; TO-99 case is internally bonded to this pin - must be grounded or connected to system V− |
| 5 | Compensation | External capacitor connection point (e.g., 30 pF) for frequency compensation; defines dominant pole and stability margin |
| 6 | Output | Class-A/B output stage; short-circuit protected; drives ≥2 kΩ loads with ±10 V swing at ±15 V supplies |
| 7 | V+ | Positive supply terminal; supports up to +22 V; decoupling required near pin for high-frequency stability |
| 8 | Offset Null | Second null terminal; used with Pin 1 and potentiometer to balance input transistor pair mismatch |
Key Features
| Feature | Design Value |
|---|---|
| No latch-up on common-mode overvoltage | Operates safely even when inputs exceed supply rails - eliminates need for clamping diodes in transducer front-ends |
| External frequency compensation | Single 30 pF capacitor on Pin 5 enables optimization for bandwidth, stability, or slew rate - not possible with fixed-compensation op amps |
| Input overload protection | Internal current limiting prevents damage from accidental input shorts or ESD events - reduces need for external series resistors |
| Guaranteed performance over −55°C to +125°C | Validated for aerospace, downhole, and military platforms where extended temperature reliability is mandatory |
| Low input current drift | 0.1 nA/°C typical over full temperature range - maintains integrator linearity and timer accuracy across thermal cycles |
Applications
| Integrator Circuits | Fast AC/DC Converters |
|---|---|
Use Scenario: Precision analog integration over seconds to minutes in process control feedback loops and analog computing. IC Role / Device Role / Timing Role: Core integrator amplifier with bias-current compensation network (R1/R2/C1) to cancel drift-induced output ramp. Use Value: Achieves <0.1 mV/s drift using LM101AH/NOPB's 100 nA max input bias current and 0.1 nA/°C drift spec - enabling 10+ minute integration windows. | Use Scenario: High-speed full-wave rectification of 10–100 kHz AC signals without passive filtering, e.g., in servo position detection. IC Role / Device Role / Timing Role: Feedforward-compensated op amp configured as precision rectifier with zero-crossing speed limited only by 10 V/μs slew rate. Use Value: Delivers <100 ns recovery time and <1 mV forward drop using LM101AH/NOPB's rail-compatible inputs and fast settling - replacing discrete diode+op-amp designs. |
| Sample-and-Hold Systems | Instrumentation Amplifier Front-Ends |
Use Scenario: Low-leakage acquisition of microvolt-level sensor outputs (e.g., thermocouples, strain gauges) before ADC sampling. IC Role / Device Role / Timing Role: Hold amplifier with guarded input and low 100 nA bias current to minimize droop during hold phase. Use Value: Limits droop to <10 μV/ms using LM101AH/NOPB's 100 nA max input current and polycarbonate hold capacitor - meeting 16-bit ADC requirements. | Use Scenario: High-CMRR differential amplification of bridge sensor outputs in noisy industrial environments. IC Role / Device Role / Timing Role: First-stage gain block in 3-op-amp instrumentation topology, leveraging matched input impedance and 80 dB CMRR. Use Value: Enables >86 dB effective CMRR with external resistor matching, supported by LM101AH/NOPB's 80 dB min CMRR and low 3 mV offset - rejecting 60 Hz pickup in motor drives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM301AH/NOPB | Same TO-99 package and pinout; rated for 0°C to +70°C only; 10 mV max offset voltage | Restricted to commercial-temperature embedded systems; unsuitable for aerospace or extended-range industrial use | Select when cost sensitivity outweighs temperature range and offset performance requirements |
| OP07EP | Monolithic bipolar design; 25 μV max offset; no external compensation pin; SO-8 or TO-99 options | Lacks compensation flexibility; higher DC precision but lower slew rate (0.3 V/μs); not drop-in replaceable | Choose for ultra-low-offset DC applications where bandwidth <10 kHz suffices and layout cannot accommodate compensation capacitor |
Compared with LM101AH/NOPB, LM301AH/NOPB trades military-grade temperature range and tighter offset for lower cost, while OP07EP offers superior DC accuracy at the expense of compensation adaptability and slew rate - making LM101AH/NOPB uniquely suited for wide-temperature, high-slew, externally tuned analog signal paths.
Availability
LM101AH/NOPB is available at Aetrix Electronics and suitable for precision analog signal conditioning, high-reliability integrator circuits, and fast AC/DC converter designs requiring stable component supply across extended temperature ranges.
Supply support for LM101AH/NOPB 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 delivering analog, embedded processing, and logic solutions for industrial, automotive, and communications markets.
The LM101A series was developed to provide military-specified, externally compensatable op amps with improved input current and offset stability over legacy devices like LM709 - targeting high-reliability analog subsystems in harsh environments.
FAQ
What is the maximum operating temperature range for LM101AH/NOPB?
The LM101AH/NOPB is specified for continuous operation from −55°C to +125°C. This rating is validated per the absolute maximum and electrical characteristics tables in the TI SNOSBS0D datasheet, and applies to the TO-99 metal-can package (LMC0008C) with proper thermal mounting. Operation outside this range may cause parametric shift or permanent damage.
Does LM101AH/NOPB require an external compensation capacitor?
Yes, LM101AH/NOPB requires an external capacitor (typically 30 pF) connected between Pin 5 (Compensation) and Pin 4 (V−) for stable unity-gain operation. Unlike internally compensated op amps, this external component allows tuning of bandwidth, phase margin, and slew rate - a defining feature confirmed in Figures 17–19 and Application Hints of the SNOSBS0D datasheet.
Can LM101AH/NOPB drive capacitive loads directly?
No, LM101AH/NOPB should not drive capacitive loads >100 pF directly without isolation. Figure 37 and Application Hints in SNOSBS0D specify that large capacitive loads cause instability and ringing; an RC isolation network (e.g., 100 Ω + 100 pF) between Pin 6 (Output) and the load is required to maintain stability and preserve the 10 V/μs slew rate.
What is the purpose of Pins 1 and 8 on LM101AH/NOPB?
Pins 1 and 8 are offset null terminals used together with an external 10 kΩ potentiometer (wiper to V−, ends to Pins 1 and 8) to adjust input stage mismatch and reduce DC output error. This manual trimming capability is essential for applications demanding <100 μV output offset, and is explicitly detailed in Figure 38 and the "Offset Balancing Circuit" section of SNOSBS0D.
Is LM101AH/NOPB RoHS compliant?
Yes, LM101AH/NOPB is RoHS compliant, as confirmed in TI's PACKAGE OPTION ADDENDUM (15-Jul-2026), where the "RoHS" column shows "Yes" for this orderable part number. The "/NOPB" suffix explicitly denotes lead-free (Pb-free) finish, and the device meets JEDEC J-STD-020 moisture sensitivity Level-1 with unlimited floor life under dry pack conditions.
LM101AH/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- TO-99-8 Metal Can
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 0.5V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 nA
- Voltage - Input Offset:
- 700 µV
- Current - Supply:
- 1.8mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 44 V
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-99-8
LM101AH/NOPB FAQ
1.How can I place an order for LM101AH/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM101AH/NOPB 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 LM101AH/NOPB reliable?
The price and inventory of LM101AH/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM101AH/NOPB is usually 5 days.
3.What payment methods are accepted for LM101AH/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM101AH/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM101AH/NOPB?
LM101AH/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM101AH/NOPB 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 LM101AH/NOPB?
For technical support, including LM101AH/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM101AH/NOPB requirements.
6.How does Aetrix verify that LM101AH/NOPB is sourced from the original manufacturer or authorized distributors?
All LM101AH/NOPB 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 LM101AH/NOPB meets industry standards.
7.What is the process for return or replacement of LM101AH/NOPB?
All LM101AH/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM101AH/NOPB, 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 LM101AH/NOPB part is unused and in its original packaging.
Return procedure for LM101AH/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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