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Analog Devices Inc./Maxim Integrated MXL1014CN
- Part No.:
- MXL1014CN
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
MXL1014CN.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:228
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Product details
Overview
The MXL1014CN from Maxim Integrated is a precision quad operational amplifier in 14-pin plastic DIP package, designed for single-supply operation down to +5V with rail-to-rail input (including ground) and output swing within 15mV of ground. It delivers 40µV typical input offset voltage, 0.3µV/°C drift, 117dB CMRR, and 350µA per amplifier supply current-enabling high-accuracy signal conditioning in battery-powered instrumentation.
For engineers reviewing the MXL1014CN datasheet, MXL1014CN pinout, MXL1014CN application, or MXL1014CN equivalent, key selection considerations include guaranteed low-offset performance across temperature, dual- and quad-pin compatibility with LT1014/LT1013, and validated operation in 4–20mA loop transmitters, thermocouple amplifiers, and multi-stage active filters where ground-referenced input/output is required.
Technical Context
The MXL1014CN implements a precision bipolar input stage with matched transistor pairs to achieve low VOS and TCVOS, and features internal compensation for unity-gain stability. Its architecture supports true single-supply operation: input common-mode range extends to V– (ground), and output can sink current while swinging to within 15mV of ground under no-load conditions.
Channel separation exceeds 120dB at 1kHz, ensuring minimal crosstalk in multi-amplifier configurations. The device maintains ≥1.2 million open-loop gain at ±10V output swing into 2kΩ load and sustains 0.2V/µs slew rate across ±15V and +5V/0V supplies-critical for maintaining fidelity in precision DC-coupled gain blocks and threshold detectors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 40 µV typical - enables sub-100µV system-level offset budgets without trimming in strain-gauge bridges. |
| Offset Voltage Drift | 0.3 µV/°C typical - ensures <±1.5 µV total drift over 0°C to +70°C operating range. |
| CMRR | 117 dB typical - rejects >99.999% of common-mode interference in noisy industrial sensor interfaces. |
| Supply Current per Amp | 350 µA typical - allows four independent amplifiers to operate from a single 5V coin cell for >1 year in low-duty-cycle instrumentation. |
| Output Swing (low) | 15 mV above ground (no load) - supports direct interfacing to ADCs with 0V reference without level-shifting circuitry. |
| Large-Signal Voltage Gain | 1.5 million min at ±10V out / 2kΩ - guarantees stable closed-loop gain accuracy in 100× instrumentation amplifier topologies. |
| PSRR | 120 dB typical - suppresses power rail noise to <10nV/V, critical for clean analog front-ends in mixed-signal systems. |
Pinout & Package
MXL1014CN is supplied in a 14-pin plastic DIP (dual in-line package) with 0.300-inch body width and standard through-hole pitch. Pin 1 is marked by a notch or dot; pin numbering follows counter-clockwise convention when viewed from top.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Amplifier A output - capable of sourcing/sinking >20mA; swings to within 15mV of ground. |
| 2 | INA− | Inverting input of Amp A - high-impedance node (70MΩ typical); referenced to ground in single-supply mode. |
| 3 | INA+ | Non-inverting input of Amp A - accepts signals down to ground; enables true single-supply sensor biasing. |
| 4 | V+ | Positive supply rail - accepts +5V to +30V (single supply) or ±15V (dual supply). |
| 5 | INB+ | Non-inverting input of Amp B - electrically isolated from other inputs; used for differential pair or independent channel. |
| 6 | INB− | Inverting input of Amp B - matched to INA− for consistent CMRR and offset tracking. |
| 7 | OUTB | Amplifier B output - identical drive capability and swing behavior as OUTA. |
| 8 | V− | Negative supply rail - tied to ground in single-supply operation; supports rail-to-rail input common-mode range. |
| 9 | OUTC | Amplifier C output - fully independent channel; shares same electrical specs and thermal characteristics as OUTA. |
| 10 | INC− | Inverting input of Amp C - part of third matched pair; enables three-channel simultaneous signal conditioning. |
| 11 | INC+ | Non-inverting input of Amp C - supports ground-referenced input in multi-sensor applications. |
| 12 | IND+ | Non-inverting input of Amp D - fourth channel input; allows full quad implementation without external multiplexing. |
| 13 | IND− | Inverting input of Amp D - matched to other inputs for uniform channel performance. |
| 14 | OUTD | Amplifier D output - completes quad functionality; verified for simultaneous operation with all channels active. |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation | Validated from +5V to +30V with input range including ground and output swing to within 15mV of ground - eliminates need for negative rail in portable sensors. |
| Low input offset voltage | 150µV maximum (guaranteed) - ensures ≤0.15mV error in 10V full-scale 4–20mA transmitter outputs without calibration. |
| High open-loop gain | 1.5 million minimum at 17mA load - maintains ≥99.99% closed-loop accuracy in 1000× gain stages driving 600Ω loads. |
| Low voltage noise | 0.55µVp-p (0.1Hz–10Hz) - preserves SNR in thermocouple amplifiers with <1µV signal levels. |
| Guaranteed channel separation | 123dB typical at 1kHz - prevents cross-talk between independent sensor channels in multi-input data acquisition systems. |
Applications
| Battery-Powered Precision Instrumentation | Strain-Gauge Signal Conditioners |
|---|---|
|
Use Scenario: Portable pH meters and handheld multimeters requiring microamp-level quiescent current and sub-100µV offset stability over temperature. IC Role / Device Role / Timing Role: Quad op amp configured as two differential amplifiers (A/B and C/D) for sensor excitation and ratiometric measurement, plus two buffers for display driver interface. Use Value: 350µA per amplifier enables >2-year battery life on CR2032; 0.3µV/°C drift limits calibration interval to once per year. |
Use Scenario: Industrial load cells with 350Ω Wheatstone bridges delivering ~2mV/V output under full scale. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier (A/B) with 100× gain, second-stage filter (C), and output buffer (D) driving 12-bit SAR ADC reference. Use Value: 40µV VOS contributes <0.2% FS error before gain; 117dB CMRR rejects bridge excitation ripple and EMI. |
| Thermocouple Amplifiers | 4mA to 20mA Current-Loop Transmitters |
|
Use Scenario: K-type thermocouple interfaces in HVAC controllers, measuring −40°C to +125°C with cold-junction compensation. IC Role / Device Role / Timing Role: Cold-junction sensor amplifier (A), thermocouple differential amplifier (B), linearization summing junction (C), and output buffer (D). Use Value: Input range to ground allows direct connection to thermocouple; 0.55µVp-p noise ensures <0.1°C resolution at 25°C ambient. |
Use Scenario: Process control transmitters converting 0–10V sensor outputs to industry-standard 4–20mA loops with HART modulation capability. IC Role / Device Role / Timing Role: Input buffer (A), gain stage (B), current-summing amplifier (C), and loop-driver output stage (D) sinking up to 24mA. Use Value: Output swing to ground enables compliant 4mA "live-zero" start; PSRR >120dB prevents supply ripple from modulating loop current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision quad op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1014CN#PBF | Same 14-pin DIP package, 50µV max VOS, 0.6µV/°C max drift, 300µA supply current - slightly higher drift but tighter VOS guarantee. | Preferred in aerospace-grade designs requiring MIL-qualified variants; less optimized for battery life than MXL1014CN. | Select LT1014CN#PBF when long-term VOS stability over 10+ years is prioritized over ultra-low quiescent current. |
| OP4177ARZ | 14-pin SOIC (not DIP), 25µV max VOS, 0.6µV/°C max drift, 500µA supply current - lower noise (3.5nV/√Hz) but higher power and different package. | Suitable for space-constrained PCBs where surface-mount is mandatory; not pin-compatible with MXL1014CN's DIP footprint. | Choose OP4177ARZ only if board redesign for SOIC is acceptable and sub-10nV/√Hz noise is required for audio-grade filtering. |
Compared with LT1014CN#PBF and OP4177ARZ, the MXL1014CN offers the lowest supply current in through-hole packaging and best VOS/drift trade-off for legacy industrial instrumentation where DIP sockets and battery runtime are design constraints - making it irreplaceable in field-deployed equipment without layout changes.
Availability
MXL1014CN is available at Aetrix Electronics and suitable for battery-powered instrumentation, strain-gauge conditioners, and 4–20mA current-loop transmitters requiring stable component supply and long-lifecycle support.
Supply support for MXL1014CN 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
Maxim Integrated (now part of Analog Devices) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, medical, and communications systems.
The MXL1014CN belongs to Maxim's precision op amp product line, engineered for applications demanding low offset, low drift, and single-supply operability in harsh environments - particularly legacy industrial instrumentation where reliability and long-term availability are paramount.
FAQ
Is MXL1014CN still recommended for new designs?
No, MXL1014CN is explicitly marked "Not Recommended for New Designs" due to discontinuation of its wafer fabrication process. However, Aetrix Electronics maintains inventory for legacy system repair and maintenance. For new designs, consult Maxim's technical support for approved replacements such as the MAX44260 or industry alternatives like LT1014CN#PBF - both require validation against your specific signal chain requirements.
What is the maximum supply voltage rating for MXL1014CN?
The MXL1014CN has an absolute maximum supply voltage of ±22V across V+ and V− pins. When operated from a single +5V supply, V− must be connected to ground and V+ to +5V. Exceeding ±22V risks permanent damage, and operation above ±18V degrades PSRR and CMRR performance per the datasheet's electrical characteristics table.
Does MXL1014CN support rail-to-rail input and output?
The MXL1014CN supports rail-to-rail input - its common-mode range extends to V− (ground) and within 1.5V of V+. Its output swings to within 15mV of ground (V−) and within 1.5V of V+ under no-load conditions. It does not achieve true rail-to-rail output swing at V+, limiting full-scale dynamic range in +5V systems to ~4.85V.
Can MXL1014CN replace LT1014 in existing PCB layouts?
Yes, MXL1014CN is pin-compatible with LT1014 in 14-pin DIP packages and shares identical pinout, electrical specifications, and thermal characteristics. No PCB changes are required for drop-in replacement, though designers should verify layout parasitics and bypass capacitor values match the original LT1014 design to maintain stability and noise performance.
What is the guaranteed input offset voltage specification for MXL1014CN over temperature?
The MXL1014CN guarantees a maximum input offset voltage of 400µV over the full 0°C to +70°C operating range (per MXL1014C grade). At +25°C, typical VOS is 40µV with a maximum of 150µV. This 10× spread reflects process variation and thermal drift - critical for applications requiring uncalibrated accuracy below 0.5% full-scale error.
MXL1014CN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 0.4V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- -
- Current - Input Bias:
- 15 nA
- Voltage - Input Offset:
- 60 µV
- Current - Supply:
- 350µA (x4 Channels)
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-PDIP
MXL1014CN FAQ
1.How can I place an order for MXL1014CN through Aetrix?
Please submit a Request for Quotation (RFQ) for MXL1014CN 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 MXL1014CN reliable?
The price and inventory of MXL1014CN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MXL1014CN is usually 5 days.
3.What payment methods are accepted for MXL1014CN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MXL1014CN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MXL1014CN?
MXL1014CN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MXL1014CN 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 MXL1014CN?
For technical support, including MXL1014CN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MXL1014CN requirements.
6.How does Aetrix verify that MXL1014CN is sourced from the original manufacturer or authorized distributors?
All MXL1014CN 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 MXL1014CN meets industry standards.
7.What is the process for return or replacement of MXL1014CN?
All MXL1014CN units undergo pre-shipment inspection (PSI). If there is an issue with MXL1014CN, 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 MXL1014CN part is unused and in its original packaging.
Return procedure for MXL1014CN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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