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Texas Instruments LM201AH/NOPB
- Part No.:
- LM201AH/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- TO-99-8 Metal Can
- Datasheet:
-
LM201AH/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TO99-8
- Quantity:
- Payment:
- Shipping:
Inventory:274
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Product details
Overview
LM201AH/NOPB from Texas Instruments is a general-purpose operational amplifier with internal compensation disabled, requiring external 30 pF capacitor for stability. It delivers 10 V/μs slew rate in summing configuration, 3 mV max input offset voltage over temperature, and operates across −25°C to +85°C. It is used in precision integrators, sample-and-hold circuits, and fast AC/DC converters where adjustable frequency compensation is required.
For engineers reviewing the LM201AH/NOPB datasheet, LM201AH/NOPB pinout, LM201AH/NOPB application, or LM201AH/NOPB equivalent, key selection criteria include its external compensation flexibility, low input bias current (75 nA typ), wide supply range (±5 V to ±20 V), and TO-99 metal-can package suitability for high-reliability analog signal conditioning.
Technical Context
The LM201AH/NOPB uses a bipolar input stage with tailored biasing to minimize input current drift and enable stable operation beyond common-mode voltage limits. Its open-loop gain of 160 V/mV and 3 MHz unity-gain bandwidth support high-precision closed-loop configurations when externally compensated.
It features built-in input and output overload protection, latch-up immunity under common-mode overvoltage, and feedforward compensation capability for full-wave rectifier designs without filtering. The device avoids oscillation with proper 30 pF capacitor placement between pins 1 and 8.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±5 V to ±20 V - supports dual-rail industrial power domains without level-shifting. |
| Input Offset Voltage (max) | 3 mV over −25°C to +85°C - enables sub-10 mV error budgets in DC-coupled sensor interfaces. |
| Slew Rate | 10 V/μs in summing amplifier mode - allows >100 kHz small-signal bandwidth with minimal distortion. |
| Input Bias Current (typ) | 75 nA at 25°C - permits use with MΩ-range feedback networks in integrators and timers. |
| Large-Signal Voltage Gain | 25 V/mV min at ±15 V supply - ensures ≥60 dB loop gain for stable 0.1% precision closed-loop gains. |
| Common-Mode Rejection Ratio | 80 dB min - rejects interference in single-ended sensor front-ends with unbalanced routing. |
| Output Voltage Swing | ±13 V into 2 kΩ load at ±15 V supply - delivers rail-to-rail usable dynamic range for ±12 V systems. |
Pinout & Package
LM201AH/NOPB is housed in an 8-pin TO-99 metal-can package (package number LMC0008C), hermetically sealed for moisture resistance and EMI shielding in harsh environments. Pin 1 is marked by a dot; pin 8 is the case (grounded metal can).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Offset Null (−) | Connects to wiper of 10 kΩ potentiometer for manual input offset trimming. |
| 2 | Inverting Input (−) | High-impedance node accepting feedback signals; requires guarding for <10 pF stray capacitance. |
| 3 | Non-Inverting Input (+) | Accepts reference or sensor signal; common-mode range extends to ±15 V at ±20 V supply. |
| 4 | V− (Negative Supply) | Must be decoupled with 0.1 μF ceramic capacitor close to pin; reverse polarity causes fuse failure. |
| 5 | Offset Null (+) | Other end of null potentiometer; paired with pin 1 to balance differential input stage mismatch. |
| 6 | Output | Capable of ±13 V swing into 2 kΩ; isolated via series resistor when driving test points or external loads. |
| 7 | V+ (Positive Supply) | Decoupling mandatory; feedforward compensation increases sensitivity to supply noise above 100 kHz. |
| 8 | Case (Ground) | Internally connected to substrate; must be soldered to PCB ground plane for thermal and EMI control. |
Key Features
| Feature | Design Value |
|---|---|
| No internal compensation | Enables user-selectable 30 pF capacitor for optimal trade-off between stability margin and bandwidth. |
| Input overload protection | Prevents damage when inputs exceed supply rails - critical for sensor interfaces exposed to transients. |
| Output short-circuit immunity | Allows continuous short to ground up to 75°C ambient - eliminates need for external current-limiting resistors. |
| Feedforward compensation support | Permits fast full-wave rectifier implementation without output filtering, reducing component count in AC/DC conversion. |
| Specified drift over full temp range | Input offset drift ≤15 μV/°C ensures <0.5 mV total drift across −25°C to +85°C operating window. |
Applications
| Integrator-Based Timer | Fast AC/DC Converter |
|---|---|
|
Use Scenario: Long-interval timing circuit generating precise 1–10 s pulses using capacitor charging through high-value resistor. IC Role / Device Role / Timing Role: Integrator core with bias-current compensation network (R1/R2/C1) to eliminate drift-induced timing error. Use Value: Achieves <0.1% timing accuracy over temperature due to 75 nA typical input bias current and 0.1 nA/°C drift specification. |
Use Scenario: High-speed rectification of 10–100 kHz AC signals in instrumentation front-ends without post-rectifier filtering. IC Role / Device Role / Timing Role: Feedforward-compensated op-amp configured as precision full-wave rectifier with diodeless topology. Use Value: Delivers <100 ns response time and <0.5% linearity error by leveraging 10 V/μs slew rate and external compensation tuning. |
| Low-Drift Sample-and-Hold | Instrumentation Amplifier Front-End |
|
Use Scenario: Capturing slow-varying sensor outputs (e.g., thermocouple, strain gauge) with <1 μV hold-step error. IC Role / Device Role / Timing Role: Hold amplifier with guarded input and low-leakage hold capacitor driven by CMOS switch. Use Value: Maintains <5 μV/s droop over 100 ms hold time using 3 mV max offset and 0.1 nA/°C input current drift. |
Use Scenario: Differential signal amplification in noisy industrial environments with common-mode interference up to ±10 V. IC Role / Device Role / Timing Role: First-stage gain block in 3-op-amp instrumentation amplifier topology with matched R1/R2 feedback. Use Value: Provides 80 dB minimum CMRR and 96 dB typical PSRR to reject supply- and ground-borne noise before digitization. |
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 architecture but rated for 0°C to +70°C only; higher 10 mV max offset voltage. | Restricted to commercial-grade systems; unsuitable for extended-temperature industrial control. | Select when cost sensitivity outweighs temperature range and offset performance requirements. |
| OP07CP | Laser-trimmed offset (25 μV max); lower 1.2 nA bias current; internally compensated; SO-8 package. | Eliminates external capacitor but sacrifices compensation flexibility and TO-99 EMI shielding. | Choose for plug-in replacement where layout space is constrained and bandwidth <1 MHz suffices. |
Compared with LM201AH/NOPB, LM301AH/NOPB trades temperature range and offset for lower cost, while OP07CP offers superior DC precision and integration at the expense of external compensation control and hermetic packaging.
Availability
LM201AH/NOPB is available at Aetrix Electronics and suitable for precision analog signal conditioning, industrial timer circuits, and high-reliability AC/DC converter modules requiring stable component supply across extended temperature ranges.
Supply support for LM201AH/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 company specializing in analog and embedded processing technologies, with decades of leadership in precision op-amp design and manufacturing.
The LM201A series belongs to TI's legacy general-purpose op-amp product line, engineered for robustness in industrial instrumentation, test equipment, and analog computing systems requiring field-adjustable compensation.
FAQ
What is the recommended compensation capacitor value for LM201AH/NOPB?
The LM201AH/NOPB requires a 30 pF capacitor connected between pins 1 and 8 for stable unity-gain operation with source resistances below 10 kΩ and stray capacitance under 5 pF. Larger values (e.g., 100 pF) may be needed for capacitive loads exceeding 100 pF or high-resistance feedback networks. Always verify phase margin using network analysis when deviating from the 30 pF baseline in the LM201AH/NOPB design.
Does LM201AH/NOPB support rail-to-rail input or output operation?
No, LM201AH/NOPB does not support rail-to-rail operation. Its input common-mode range extends to ±15 V with ±20 V supplies but excludes the negative rail by ~2 V; output swing is typically ±13 V into 2 kΩ at ±15 V supply. For true rail-to-rail performance, consider modern alternatives like TLV2462 - the LM201AH/NOPB is optimized for precision within traditional bipolar supply constraints.
Can LM201AH/NOPB be used as a comparator?
Yes, LM201AH/NOPB can function as a comparator in non-critical applications, such as driving TTL/RTL logic (see Figure 48), but it lacks dedicated comparator features like internal hysteresis or fast recovery from saturation. Its 10 V/μs slew rate and lack of internal clamping mean propagation delay varies significantly with overdrive. For reliable high-speed comparison, purpose-built comparators like LM311 are preferred over LM201AH/NOPB.
What is the maximum safe operating temperature for LM201AH/NOPB?
The LM201AH/NOPB is specified for continuous operation from −25°C to +85°C ambient temperature. Junction temperature must not exceed 150°C, which corresponds to a maximum power dissipation of 500 mW in still air for the TO-99 package (LMC0008C). Thermal derating is required above 25°C ambient - consult the θJA = 165°C/W curve in the LM201AH/NOPB datasheet to calculate allowable dissipation at elevated temperatures.
Is LM201AH/NOPB RoHS compliant?
Yes, LM201AH/NOPB is RoHS compliant, as confirmed by Texas Instruments' packaging addendum: "Yes" under RoHS column, with lead finish unspecified but conforming to JEDEC J-STD-609 Category 1. The "/NOPB" suffix explicitly denotes lead-free termination. This makes LM201AH/NOPB suitable for environmentally regulated industrial and medical electronics where Pb-free assembly is mandated.
LM201AH/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:
- -25°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-99-8
LM201AH/NOPB FAQ
1.How can I place an order for LM201AH/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM201AH/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 LM201AH/NOPB reliable?
The price and inventory of LM201AH/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM201AH/NOPB is usually 5 days.
3.What payment methods are accepted for LM201AH/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM201AH/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM201AH/NOPB?
LM201AH/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM201AH/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 LM201AH/NOPB?
For technical support, including LM201AH/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM201AH/NOPB requirements.
6.How does Aetrix verify that LM201AH/NOPB is sourced from the original manufacturer or authorized distributors?
All LM201AH/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 LM201AH/NOPB meets industry standards.
7.What is the process for return or replacement of LM201AH/NOPB?
All LM201AH/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM201AH/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 LM201AH/NOPB part is unused and in its original packaging.
Return procedure for LM201AH/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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