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Texas Instruments LM360MX/NOPB
- Part No.:
- LM360MX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM360MX/NOPB.pdf
- Description:
- IC COMPARATOR 1 DIFF 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,770
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Product details
Overview
LM360MX/NOPB from Texas Instruments is a high-speed differential comparator with complementary TTL outputs, 20 ns maximum propagation delay, ±5 V differential input range, and 0°C to +70°C operating temperature. It serves as a pin-for-pin replacement for μA760/μA760C in high-speed analog-to-digital converters and zero-crossing detection circuits.
For engineers reviewing the LM360MX/NOPB datasheet, LM360MX/NOPB pinout, LM360MX/NOPB application, or LM360MX/NOPB equivalent, key selection criteria include propagation delay matching between complementary outputs, input offset voltage ≤5 mV, fan-out of 4, and SOIC-8 package compatibility with industrial timing and signal conditioning designs.
Technical Context
The LM360MX/NOPB implements a bipolar differential pair architecture optimized for speed and low input offset voltage, delivering 12–25 ns response time across ±4.5 V to ±6.5 V supply ranges. Its complementary TTL outputs exhibit ≤2 ns skew under matched loading conditions (fanout = 1), enabling precise edge alignment in synchronous sampling systems.
Input stage features 17 kΩ impedance at 1 MHz and 3 pF capacitance, supporting stable operation with minimal external compensation. Common-mode input range extends to ±4.5 V at ±6.5 V supplies, and output drive capability meets TTL logic thresholds: VOH ≥2.4 V at −320 μA sink, VOL ≤0.4 V at 6.4 mA sink.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 12–25 ns typical; ensures sub-40 MHz sampling in ADC front-ends without timing margin erosion. |
| Delay Matching | ≤2 ns difference between complementary outputs; critical for balanced clock/data recovery paths. |
| Input Offset Voltage | 2–5 mV max; enables accurate threshold detection down to ~10 mV overdrive in precision zero-crossing applications. |
| Supply Range | ±4.5 V to ±6.5 V; supports standard ±5 V analog rails while tolerating transient excursions. |
| Fan-out | 4 TTL loads; sufficient to drive multiple downstream logic gates without buffering. |
| Operating Temp | 0°C to +70°C; qualified for commercial-grade embedded control and data acquisition systems. |
Pinout & Package
LM360MX/NOPB is housed in an 8-pin SOIC (D) package per JEDEC MS-012 variation AA, 1.75 mm max height, with 1.27 mm lead pitch and Q1 pin-1 orientation in tape-and-reel delivery.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (−IN) | Differential input node referenced to internal bias; accepts up to ±5 V differential swing. |
| 2 | Non-Inverting Input (+IN) | Differential input node with 17 kΩ impedance; common-mode range extends to ±4.5 V. |
| 3 | Negative Supply (V−) | −4.5 V to −6.5 V rail connection; must be decoupled locally to minimize ground bounce. |
| 4 | Output A (OUTA) | Complementary TTL output; active-high when +IN > −IN; drives 4 TTL loads directly. |
| 5 | Output B (OUTB) | Complementary TTL output; active-low when +IN > −IN; matches OUTA delay within ≤2 ns. |
| 6 | Positive Supply (V+) | +4.5 V to +6.5 V rail connection; requires local 0.1 μF ceramic bypass capacitor. |
| 7 | Offset Null | Adjustment terminal for trimming input offset voltage using external potentiometer (10 kΩ typical). |
| 8 | Ground / Reference | Signal reference node; must be tied to system ground plane with low-inductance path. |
Key Features
| Feature | Design Value |
|---|---|
| High-Speed Differential Comparison | 20 ns max propagation delay enables real-time signal edge detection in disk file servo loops and high-frequency ADCs. |
| Tight Output Skew Control | ≤2 ns delay difference between complementary outputs ensures deterministic timing in dual-edge triggered systems. |
| Low Input Offset Drift | 8 μV/°C average tempco maintains <10 mV total offset drift across 0°C–70°C ambient range. |
| Robust Input Protection | ±5 V differential input rating and 1600 V HBM ESD tolerance support rugged operation in noisy industrial environments. |
| Direct TTL Interface | Series 74 TTL-compatible outputs eliminate level-shifting components in mixed-signal control boards. |
Applications
| Disk Drive Servo Control | High-Speed Data Acquisition |
|---|---|
Use Scenario: Detecting magnetic head position zero-crossings in hard disk drive actuator feedback loops. IC Role / Device Role / Timing Role: High-speed differential comparator generating synchronized direction and enable pulses for voice coil motor control. Use Value: 20 ns delay and ≤2 ns output skew ensure sub-microsecond timing resolution for closed-loop positioning accuracy. | Use Scenario: Front-end threshold comparison in 10+ MSPS flash ADCs for oscilloscopes and communication test equipment. IC Role / Device Role / Timing Role: Analog input comparator providing latched decision signals to parallel encoder logic with minimal aperture jitter. Use Value: Low 5 mV input offset and stable 12 ns typical response enable accurate 8-bit+ quantization at multi-MHz sample rates. |
| Precision Zero-Crossing Detector | High-Frequency Pulse Width Modulation |
Use Scenario: AC line synchronization in switched-mode power supplies and motor inverters requiring phase-locked switching. IC Role / Device Role / Timing Role: Differential comparator detecting sinusoidal zero crossings with noise immunity via hysteresis-capable inputs. Use Value: ±4.5 V common-mode range accommodates transformer-coupled AC signals without attenuation or biasing networks. | Use Scenario: Edge-aligned PWM generation in digital power controllers where duty cycle accuracy depends on comparator timing fidelity. IC Role / Device Role / Timing Role: Comparator comparing ramp waveform against control voltage to generate precise PWM edges. Use Value: Tight delay matching preserves pulse symmetry across full duty cycle range, reducing harmonic distortion in output spectra. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed differential comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM360M/NOPB | Same die, SOIC-8 tube packaging (95 pcs), identical electrical specs and pinout. | No reflow profile or tape-handling differences; suitable for low-volume prototyping or manual assembly. | Select LM360M/NOPB when small-batch builds or hand-soldering require tube delivery instead of tape-and-reel. |
| TL360CN | Legacy 8-pin PDIP package; same LM360 core but higher thermal resistance and larger board footprint. | Compatible only in through-hole designs; lacks SOIC moisture sensitivity controls and automated placement compatibility. | Choose TL360CN only for legacy repair, educational labs, or non-automated production where SOIC handling infrastructure is unavailable. |
Compared with LM360M/NOPB and TL360CN, LM360MX/NOPB offers identical performance in a tape-and-reel format optimized for high-volume SMT lines, with verified Level-1 MSL rating and 2500-unit reels reducing feeder change frequency and improving line uptime.
Availability
LM360MX/NOPB is available at Aetrix Electronics and suitable for disk drive servo control, high-speed data acquisition, and precision zero-crossing detection requiring stable component supply across extended production cycles.
Supply support for LM360MX/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 specializing in analog, embedded processing, and digital signal technologies, with decades of expertise in high-performance comparators and precision analog ICs.
The LM360 family was designed specifically for high-speed signal conditioning in disk storage systems and real-time measurement equipment, emphasizing propagation delay consistency, TTL interface compatibility, and robustness in electrically noisy environments.
FAQ
What is the maximum propagation delay specification for LM360MX/NOPB?
The LM360MX/NOPB has a guaranteed maximum propagation delay of 20 ns under standard test conditions (±5 V supplies, 30 mVp-p 10 MHz input, fanout = 1). Typical values range from 12 ns to 14 ns depending on overdrive level and supply voltage, making it suitable for sub-40 MHz timing-critical applications.
Does LM360MX/NOPB support single-supply operation?
No, LM360MX/NOPB requires dual ±4.5 V to ±6.5 V supplies and does not support true single-supply operation. Its input common-mode range and output swing are specified relative to symmetric rails, and operation with V− tied to ground violates absolute maximum ratings and degrades performance.
How is the offset null function implemented on LM360MX/NOPB?
The LM360MX/NOPB provides an offset null terminal (Pin 7) that connects to an external 10 kΩ potentiometer wired between V+ and V−, with the wiper connected to Pin 7. Adjusting this potentiometer balances internal transistor mismatches to reduce input offset voltage to ≤2 mV in production calibration.
What is the moisture sensitivity level (MSL) rating for LM360MX/NOPB?
The LM360MX/NOPB carries a JEDEC Level-1 MSL rating with unlimited floor life at ≤30°C/60% RH, confirmed by TI's packaging documentation. This allows indefinite storage and standard SMT reflow without baking, simplifying manufacturing logistics for high-volume production.
Is LM360MX/NOPB pin-compatible with the μA760 series?
Yes, LM360MX/NOPB is explicitly documented as a pin-for-pin replacement for μA760 and μA760C comparators in SOIC-8 packaging. Electrical improvements-including lower input offset voltage, tighter delay matching, and enhanced fan-out-do not alter pin assignments or functional mapping.
LM360MX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Differential
- Number of Elements:
- 1
- Output Type:
- Complementary, TTL
- Voltage - Supply, Single/Dual (±):
- ±4.5V ~ 6.5V
- :
- 5mV
- Voltage - Input Offset (Max):
- 20µA
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 32mA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- 130ns
- Propagation Delay (Max):
- -
- Hysteresis:
- 0°C ~ 70°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-SOIC
LM360MX/NOPB FAQ
1.How can I place an order for LM360MX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM360MX/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 LM360MX/NOPB reliable?
The price and inventory of LM360MX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM360MX/NOPB is usually 5 days.
3.What payment methods are accepted for LM360MX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM360MX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM360MX/NOPB?
LM360MX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM360MX/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 LM360MX/NOPB?
For technical support, including LM360MX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM360MX/NOPB requirements.
6.How does Aetrix verify that LM360MX/NOPB is sourced from the original manufacturer or authorized distributors?
All LM360MX/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 LM360MX/NOPB meets industry standards.
7.What is the process for return or replacement of LM360MX/NOPB?
All LM360MX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM360MX/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 LM360MX/NOPB part is unused and in its original packaging.
Return procedure for LM360MX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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