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Analog Devices Inc./Maxim Integrated MAX410CPA
- Part No.:
- MAX410CPA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX410CPA.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,531
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Product details
Overview
The MAX410CPA from Maxim Integrated is a single, precision, low-noise operational amplifier optimized for high-speed, low-voltage systems. It delivers 2.4nV/√Hz input voltage-noise density at 1kHz, 28MHz unity-gain bandwidth, and 4.5V/µs slew rate while operating from ±2.4V to ±5V supplies and consuming only 2.5mA per amplifier. It is widely deployed in ultra-low-noise instrumentation amplifiers and infrared detector front-ends.
For engineers reviewing the MAX410CPA datasheet, MAX410CPA pinout, MAX410CPA application, or MAX410CPA equivalent, key selection criteria include its guaranteed 2.4nV/√Hz noise floor at 1kHz, ±250µV max offset voltage (C-grade), 8-pin PDIP package with industry-standard op-amp pinout, and compatibility with ±5V and split-supply measurement circuits requiring wide dynamic range and minimal added noise.
Technical Context
The MAX410CPA employs a bipolar input stage engineered to minimize voltage noise without compromising DC accuracy or AC stability - achieving sub-2.4nV/√Hz noise via high input-stage collector current while maintaining low bias current (±80nA typ) and tight offset drift (±1µV/°C). Its unity-gain stable architecture supports wideband closed-loop configurations up to 28MHz.
It features rail-to-rail output swing capability (±3.6V into 2kΩ from ±5V), high CMRR (115dB min), and PSRR (96dB min), enabling robust operation in noisy industrial and precision analog signal chains. Input protection consists of back-to-back clamp diodes only - no series current-limiting resistors - preserving low-noise integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Voltage Noise Density | 2.4nV/√Hz (max) at 1kHz - sets fundamental noise floor for low-level signal amplification in sensor interfaces. |
| Unity-Gain Bandwidth | 28MHz - supports wideband applications including active filters and fast instrumentation channels. |
| Slew Rate | 4.5V/µs - enables accurate reproduction of fast transients without distortion in pulse-amplification stages. |
| Supply Current | 2.5mA per amplifier - balances performance and power efficiency in battery- or thermally constrained designs. |
| Input Offset Voltage | ±250µV (max) - ensures high DC accuracy in precision gain stages and bridge signal conditioning. |
| CMRR | 115dB (min) - rejects common-mode interference in differential sensor readouts and noisy environments. |
| Operating Supply Range | ±2.4V to ±5V - allows flexible dual-supply deployment in legacy ±5V systems and newer low-voltage analog rails. |
Pinout & Package
MAX410CPA is housed in an 8-pin plastic DIP (dual in-line package) with standard single-op-amp pin configuration and through-hole mounting compatibility. The package meets JEDEC MS-001 and is rated for 0°C to +70°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Null (Offset Adjust) | Connects to external potentiometer for manual offset trimming; enables <±450µV adjustment range. |
| 2 | Inverting Input (IN−) | Differential input node; high-impedance, low-bias-current bipolar input stage. |
| 3 | Noninverting Input (IN+) | Differential input node; matched to IN− for optimal CMRR and noise rejection. |
| 4 | V− | Negative supply rail connection; exposed paddle on TDFN variants must connect to V−, not ground. |
| 5 | Null (Offset Adjust) | Second terminal of offset-null potentiometer; used with Pin 1 for balanced trim. |
| 6 | Output (OUT) | Class-A/B output stage capable of ±3.6V swing into 2kΩ; drives capacitive loads up to 3900pF stably. |
| 7 | V+ | Positive supply rail connection; supports ±2.4V to ±5V operation with full spec compliance. |
| 8 | No Connect (N.C.) | Internally unused; must remain unconnected per datasheet guidance. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low voltage noise | 2.4nV/√Hz (max) at 1kHz - enables detection of microvolt-level signals in IR detectors and strain gauges. |
| Low supply current | 2.5mA per amplifier - reduces thermal drift and PCB power delivery burden in multi-channel systems. |
| Wide supply flexibility | ±2.4V to ±5V operation - supports both legacy ±5V infrastructure and modern low-voltage analog domains. |
| High open-loop gain | 115dB (min) - ensures <0.01% gain error in 100× closed-loop configurations with 2kΩ load. |
| Stable capacitive-load drive | 3900pF stable in unity-gain follower - eliminates need for external isolation resistors in many sensor buffer designs. |
Applications
| Low-Noise Frequency Synthesizers | Infrared Detectors |
|---|---|
Use Scenario: Amplifying low-level IF signals in PLL-based synthesizer loop filters where phase noise directly impacts spectral purity. IC Role / Device Role / Timing Role: Low-noise op-amp configured as active integrator or transimpedance amplifier in charge-pump feedback path. Use Value: 2.4nV/√Hz noise floor minimizes contribution to integrated phase jitter, preserving <1° RMS jitter at 10kHz offset. |
Use Scenario: Front-end amplification of photodiode current from cooled InSb or HgCdTe IR sensors operating at cryogenic temperatures. IC Role / Device Role / Timing Role: Transimpedance amplifier converting picoamp-level photocurrent into clean voltage with minimal added noise. Use Value: Bipolar input stage provides low input capacitance (4pF) and high common-mode rejection (115dB), critical for suppressing thermal background interference. |
| High-Quality Audio Amplifiers | Ultra Low-Noise Instrumentation Amplifiers |
Use Scenario: Gain stage in professional microphone preamplifiers requiring THD+N < -94dB across 20Hz–20kHz band. IC Role / Device Role / Timing Role: Precision op-amp in noninverting configuration with 100× gain and passive R-C filtering. Use Value: 4.5V/µs slew rate prevents slew-induced distortion on 10Vpp audio peaks; 28MHz GBW ensures flat frequency response beyond 100kHz. |
Use Scenario: Core amplifier in 3-op-amp instrumentation topology measuring µV-level bridge imbalances in precision load cells. IC Role / Device Role / Timing Role: High-gain, low-drift difference amplifier with matched external resistors for 100dB CMRR. Use Value: ±250µV max offset and ±1µV/°C tempco enable <1µV total drift over 0–70°C, meeting Class A metrology requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise, precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA211IDR | Lower noise (1.1nV/√Hz), but higher supply current (3.6mA); JFET input vs. bipolar; no offset-null pins. | Better for ultra-low-noise DC-coupled applications where offset drift matters less than voltage noise. | Choose OPA211IDR when voltage noise dominates system budget and offset nulling is unnecessary. |
| LT1028ACN8#PBF | Higher noise (0.85nV/√Hz), wider supply range (±4V to ±18V), higher quiescent current (10mA), TO-99 metal can package. | Preferred in legacy military/aerospace systems requiring hermetic packaging and extended voltage headroom. | Choose LT1028ACN8#PBF when operating above ±5V or requiring MIL-STD-883 qualified packaging. |
Compared with OPA211IDR and LT1028ACN8#PBF, the MAX410CPA offers the best balance of ultra-low noise, low power, DIP package availability, and built-in offset-null capability - making it uniquely suited for cost-sensitive, high-volume instrumentation designs requiring field-adjustable DC accuracy.
Availability
MAX410CPA is available at Aetrix Electronics and suitable for low-noise instrumentation, infrared sensing, and precision audio applications requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for MAX410CPA 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 fabless semiconductor company specializing in high-performance analog and mixed-signal ICs for precision, power, and interface applications.
The MAX410CPA belongs to Maxim's precision op-amp product line, designed specifically for demanding low-noise, low-voltage measurement systems where signal fidelity and DC accuracy are critical - such as test equipment, medical sensors, and scientific instrumentation.
FAQ
What is the maximum guaranteed input voltage-noise density for MAX410CPA at 1kHz?
The MAX410CPA guarantees an input voltage-noise density of ≤2.4nV/√Hz at 1kHz across its full operating temperature range (0°C to +70°C). This value is confirmed in the Electrical Characteristics table under "Input Noise-Voltage Density" with conditions V+ = 5V, V− = −5V, and TA = +25°C, and is design-guaranteed for the C-grade temperature range.
Does MAX410CPA support single-supply operation?
Yes, the MAX410CPA supports single-supply operation down to 4.8V total supply (e.g., 0V and +4.8V), though its specified performance is guaranteed for ±2.4V to ±5V dual supplies. Output swing and input common-mode range are characterized for dual-supply use, and single-supply applications require careful biasing of the input common-mode voltage within (V− + 1.5V) to (V+ − 1.5V).
What is the purpose of Pins 1 and 5 on MAX410CPA?
Pins 1 and 5 on the MAX410CPA are dedicated offset-null terminals. They connect to the two ends of an external 10kΩ potentiometer (wiper to V−), allowing manual trimming of input offset voltage across temperature. This circuit provides approximately ±450µV of adjustment range - sufficient to nullify the ±250µV max offset over the full 0°C to +70°C range.
Can MAX410CPA drive large capacitive loads without oscillation?
Yes, the MAX410CPA remains unity-gain stable when driving capacitive loads up to 3900pF in voltage-follower configuration, as verified in Typical Operating Characteristics (Figure 6a/b). For loads exceeding 3900pF, an output isolation resistor (e.g., 10Ω) must be added between the output and load to restore phase margin and prevent peaking or oscillation.
How does the input protection scheme of MAX410CPA differ from typical op amps?
Unlike most op amps that use series current-limiting resistors with input clamp diodes - which degrade noise performance - the MAX410CPA omits those resistors entirely. It relies solely on back-to-back clamp diodes for ±0.1V differential input protection. External series resistors must be added if differential inputs exceed ±1.0V, limiting current to <20mA per the Absolute Maximum Ratings.
MAX410CPA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 4.5V/µs
- Gain Bandwidth Product:
- 28 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 80 nA
- Voltage - Input Offset:
- 120 µV
- Current - Supply:
- 2.5mA
- Current - Output / Channel:
- 35 mA
- Voltage - Supply Span (Min):
- 4.8 V
- Voltage - Supply Span (Max):
- 10.5 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
MAX410CPA FAQ
1.How can I place an order for MAX410CPA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX410CPA 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 MAX410CPA reliable?
The price and inventory of MAX410CPA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX410CPA is usually 5 days.
3.What payment methods are accepted for MAX410CPA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX410CPA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX410CPA?
MAX410CPA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX410CPA 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 MAX410CPA?
For technical support, including MAX410CPA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX410CPA requirements.
6.How does Aetrix verify that MAX410CPA is sourced from the original manufacturer or authorized distributors?
All MAX410CPA 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 MAX410CPA meets industry standards.
7.What is the process for return or replacement of MAX410CPA?
All MAX410CPA units undergo pre-shipment inspection (PSI). If there is an issue with MAX410CPA, 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 MAX410CPA part is unused and in its original packaging.
Return procedure for MAX410CPA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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