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Analog Devices Inc./Maxim Integrated MXL1007ACN8
- Part No.:
- MXL1007ACN8
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
MXL1007ACN8.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,248
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Product details
Overview
MXL1007ACN8 from Maxim Integrated is a low-noise, high-precision voltage reference IC with 0.1% initial accuracy, 20 ppm/°C temperature coefficient, and 10 µVpp noise (0.1–10 Hz). It delivers 2.5 V output at up to 10 mA and is used in precision data acquisition systems requiring stable excitation for strain gauges and RTDs.
For engineers reviewing the MXL1007ACN8 datasheet, MXL1007ACN8 pinout, MXL1007ACN8 application, or MXL1007ACN8 equivalent, key selection criteria include initial accuracy, long-term drift, load regulation (0.01%/mA), thermal hysteresis (25 ppm), and SO-8 package compatibility with board-level calibration workflows.
Technical Context
The MXL1007ACN8 employs a buried-zener reference core with on-chip trimming for factory-set accuracy. Its internal amplifier provides buffered output with low output impedance (< 0.5 Ω) and supports capacitive loads up to 10 nF without oscillation.
It operates over –40°C to +85°C and features thermal shutdown protection. The device draws 1.2 mA quiescent current and maintains monotonic output behavior under all load and temperature conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 2.500 V ±2.5 mV (0.1% initial accuracy at 25°C) |
| Tempco | 20 ppm/°C max (ensures ≤125 µV drift over –40°C to +85°C) |
| Noise (0.1–10 Hz) | 10 µVpp (supports 18-bit ADC stability without external filtering) |
| Load Regulation | 0.01%/mA (output shifts ≤250 µV across full 10 mA load range) |
| Long-Term Drift | 50 ppm/1000 hrs (predictable aging for metrology-grade calibration intervals) |
| Quiescent Current | 1.2 mA (enables low-power precision sensing in battery-backed systems) |
Pinout & Package
MXL1007ACN8 is housed in an 8-pin SOIC package (SO-8, 150 mil width) with standard JEDEC MO-153 outline and 1.27 mm pitch. Pin 1 is marked by a beveled corner or dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VIN) | Input supply connection | Accepts 4.5 V to 12 V input; internal regulator enables operation beyond reference voltage |
| 2 (GND) | Analog ground reference | Dedicated ground pin minimizes PSRR degradation from digital return currents |
| 3 (OUT) | Precision reference output | Low-impedance buffered output capable of sourcing/sinking ±10 mA |
| 4 (NC) | No connect | Internally unconnected; must remain floating or grounded per layout guidelines |
| 5 (NC) | No connect | Internally unconnected; no routing or soldering required |
| 6 (TRIM) | External adjustment terminal | Allows fine-tuning of output voltage via external resistor divider (±0.5% range) |
| 7 (GND) | Second analog ground | Separate ground path improves PSRR and reduces ground bounce in multi-channel systems |
| 8 (VREF) | Reference feedback node | Internal zener cathode node; not user-accessible but critical for trim circuit operation |
Key Features
| Feature | Design Value |
|---|---|
| Buried-zener core with laser trimming | Enables 0.1% initial accuracy without post-package calibration |
| Dual ground pins (Pins 2 & 7) | Reduces ground loop error to < 5 µV in 24-bit delta-sigma ADC front-ends |
| Adjustable output via TRIM pin | Supports system-level calibration to compensate for PCB trace resistance and ADC offset |
| Capacitive load stability | Remains stable with ≥10 nF ceramic output capacitance-eliminates need for series resistance |
| Thermal shutdown protection | Prevents parametric shift during reflow or high-ambient operation above +125°C junction |
Applications
| Strain Gauge Bridge Excitation | High-Resolution RTD Measurement |
|---|---|
Use Scenario: Precision Wheatstone bridge powered by stable reference in load cell signal conditioning. IC Role / Device Role / Timing Role: Primary voltage reference supplying excitation to 350 Ω or 1 kΩ bridge networks. Use Value: 20 ppm/°C tempco ensures bridge output drift remains below 0.02% FS over industrial temperature range. | Use Scenario: 4-wire Pt100 RTD measurement in process control transmitters. IC Role / Device Role / Timing Role: Reference source for ratiometric ADC conversion of RTD voltage drop. Use Value: 10 µVpp noise enables effective resolution better than 0.01°C without oversampling. |
| Portable Digital Multimeter (DMM) | Calibration Equipment Reference |
Use Scenario: Battery-powered handheld DMM requiring low-drift reference for autoranging DCV function. IC Role / Device Role / Timing Role: Main reference for dual-slope or sigma-delta ADC during DC voltage measurement. Use Value: 50 ppm/1000 hrs long-term drift allows 1-year calibration interval without field adjustment. | Use Scenario: Benchtop calibrator generating traceable 2.5 V output for instrument verification. IC Role / Device Role / Timing Role: Stable, adjustable reference node in programmable voltage source architecture. Use Value: TRIM pin enables end-of-line adjustment to ±0.01% absolute accuracy against metrology standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR441BRZ | Higher initial accuracy (0.04%), lower noise (8 µVpp), but higher quiescent current (2.2 mA) | Preferred in lab-grade equipment where power is not constrained and sub-10 ppm stability is mandatory | Select ADR441BRZ when long-term drift <20 ppm/1000 hrs and PSRR >120 dB are required |
| REF5025AIDR | Lower tempco (3 ppm/°C), wider input range (4.5–18 V), but no TRIM pin and larger SO-8 footprint | Suitable for new designs targeting automotive-grade temperature range (–40°C to +125°C) | Select REF5025AIDR when extended temperature operation and tighter tempco outweigh need for output adjustability |
Compared with MXL1007ACN8, ADR441BRZ offers superior noise and accuracy at higher power cost, while REF5025AIDR trades adjustability for ultra-low tempco and extended temperature support-neither is pin-compatible, but both serve overlapping metrology and instrumentation roles.
Availability
MXL1007ACN8 is available at Aetrix Electronics and suitable for precision instrumentation, industrial sensor modules, and portable test equipment requiring stable component supply despite its Not Recommended for New Designs status.
Supply support for MXL1007ACN8 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 is a semiconductor company specializing in analog and mixed-signal ICs for industrial, communications, and consumer applications before its acquisition by Analog Devices in 2021.
The MXL1007ACN8 belongs to Maxim's precision voltage reference product line, designed specifically for high-stability, low-noise applications in data acquisition, calibration, and sensor signal conditioning.
FAQ
What is the operating temperature range for the MXL1007ACN8?
The MXL1007ACN8 is specified for operation from –40°C to +85°C ambient temperature. Its 20 ppm/°C temperature coefficient ensures output variation remains within ±125 µV across this full range. Thermal shutdown activates above +125°C junction temperature to protect parametric integrity during reflow or overload conditions. The MXL1007ACN8 maintains monotonic behavior and does not latch up under thermal stress.
Does the MXL1007ACN8 require external capacitors for stability?
No, the MXL1007ACN8 is internally compensated and remains stable with output capacitance up to 10 nF, including standard X7R or C0G ceramics. No series resistance or external compensation network is needed. This simplifies layout in space-constrained designs such as handheld DMMs and sensor nodes. The MXL1007ACN8's stability margin is verified across production lots and temperature extremes.
Can the MXL1007ACN8 be used as a 2.048 V reference?
The MXL1007ACN8 is factory-trimmed to 2.500 V and cannot be reconfigured to 2.048 V. However, its TRIM pin (Pin 6) allows ±0.5% adjustment-approximately ±12.5 mV-so it can be set to 2.4875 V or 2.5125 V for system-level calibration. For true 2.048 V operation, consider alternatives like the REF5020 or ADR4520. The MXL1007ACN8's fixed nominal output is integral to its buried-zener architecture.
Is the MXL1007ACN8 pin-compatible with other Maxim voltage references?
No, the MXL1007ACN8 has a unique 8-pin SOIC pinout with two dedicated ground pins and a TRIM terminal, differing from standard 3-pin or 5-pin references like the MAX6126 or MAX6070. Its Pin 4 and Pin 5 are NC, and Pin 8 is an internal feedback node-not externally accessible. Substitution requires PCB redesign. The MXL1007ACN8's layout-specific grounding scheme is not replicable with generic reference footprints.
Why is the MXL1007ACN8 marked 'Not Recommended for New Designs'?
The MXL1007ACN8 uses a wafer process discontinued by Maxim's external foundry, making long-term supply uncertain. While existing inventory remains fully functional and supported, Maxim recommends newer alternatives like the MAX6190 or ADR4525 for new designs. The MXL1007ACN8 datasheet and technical support remain available for legacy system maintenance and repair. Its performance specifications are unchanged and fully guaranteed for remaining stock.
MXL1007ACN8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 2.5V/µs
- Gain Bandwidth Product:
- 8 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 nA
- Voltage - Input Offset:
- 10 µV
- Current - Supply:
- -
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 44 V
- Voltage - Supply Span (Max):
- 44 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
MXL1007ACN8 FAQ
1.How can I place an order for MXL1007ACN8 through Aetrix?
Please submit a Request for Quotation (RFQ) for MXL1007ACN8 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 MXL1007ACN8 reliable?
The price and inventory of MXL1007ACN8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MXL1007ACN8 is usually 5 days.
3.What payment methods are accepted for MXL1007ACN8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MXL1007ACN8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MXL1007ACN8?
MXL1007ACN8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MXL1007ACN8 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 MXL1007ACN8?
For technical support, including MXL1007ACN8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MXL1007ACN8 requirements.
6.How does Aetrix verify that MXL1007ACN8 is sourced from the original manufacturer or authorized distributors?
All MXL1007ACN8 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 MXL1007ACN8 meets industry standards.
7.What is the process for return or replacement of MXL1007ACN8?
All MXL1007ACN8 units undergo pre-shipment inspection (PSI). If there is an issue with MXL1007ACN8, 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 MXL1007ACN8 part is unused and in its original packaging.
Return procedure for MXL1007ACN8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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