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Analog Devices Inc./Maxim Integrated MAX410BESA
- Part No.:
- MAX410BESA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX410BESA.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,847
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Product details
Overview
The MAX410BESA 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 used in ultra-low-noise instrumentation amplifiers and infrared detector front-ends.
For engineers reviewing the MAX410BESA datasheet, MAX410BESA pinout, MAX410BESA application, or MAX410BESA equivalent, key selection criteria include its guaranteed low 1kHz voltage noise, ±2.4V to ±5V supply flexibility, 2.5mA quiescent current, SO-8 package compatibility, and -40°C to +85°C industrial temperature rating.
Technical Context
The MAX410BESA employs a bipolar input stage engineered to minimize voltage noise without compromising DC accuracy or AC stability. Its design avoids input current-limiting resistors-unlike many op amps-to preserve low-noise performance, relying instead on back-to-back clamp diodes for ±0.1V differential input protection.
It achieves unity-gain stability with 28MHz bandwidth and supports capacitive-load driving up to 3900pF in voltage-follower configurations. The device maintains specified performance across ±2.4V to ±5V dual supplies and exhibits 115dB minimum open-loop voltage gain and 105dB minimum CMRR over its full -40°C to +85°C operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Voltage Noise Density | 2.4nV/√Hz max at 1kHz - enables sub-µV-level signal resolution in precision sensor interfaces |
| Unity-Gain Bandwidth | 28MHz - supports wideband signal conditioning up to ~10MHz closed-loop |
| Slew Rate | 4.5V/µs - ensures faithful reproduction of fast transients without distortion |
| Supply Current | 2.5mA per amplifier - balances low-noise performance with power efficiency |
| Input Offset Voltage | ±250µV max (–40°C to +85°C) - supports DC-coupled, high-gain measurement circuits |
| CMRR | 105dB min (–40°C to +85°C) - rejects common-mode interference in bridge and differential sensor applications |
| Operating Supply Range | ±2.4V to ±5V - allows use in battery-powered or low-voltage rail-constrained systems |
Pinout & Package
MAX410BESA is housed in an 8-pin SO (Small Outline) package, RoHS-compliant, with standard op-amp pinout compatible with industry-wide PCB footprints for single amplifiers.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NULL | Offset null adjustment terminal (unused in standard configurations; tied to V– or external trim network if required) |
| 2 | IN– | Inverting input - accepts feedback network for stable closed-loop gain control |
| 3 | IN+ | Noninverting input - connects to reference or sensor signal source |
| 4 | V– | Negative supply rail - must be connected to system ground or negative bias; exposed paddle on TDFN variant ties here |
| 5 | OUT | Amplifier output - drives loads ≥2kΩ; stable into 3900pF in unity-gain configuration |
| 6 | NULL | Offset null adjustment terminal (paired with Pin 1 for trimming; unused by default) |
| 7 | V+ | Positive supply rail - accepts +2.4V to +5V relative to V– |
| 8 | N.C. | No connect - internally unconnected; left floating per datasheet |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low voltage noise | 2.4nV/√Hz max at 1kHz - critical for resolving microvolt-level signals in IR detectors and strain gauges |
| Bipolar input architecture | No input current-limiting resistors - preserves noise floor while using back-to-back clamps for ±0.1V differential protection |
| Wide supply flexibility | Operates from ±2.4V to ±5V - supports both legacy ±5V and modern low-voltage rails without performance trade-offs |
| Capacitive-load stability | Stable driving 3900pF in unity-gain - eliminates need for external isolation resistors in many sensor buffer applications |
| Industrial temperature grade | Specified from –40°C to +85°C - qualified for deployment in automotive cabin electronics and industrial PLC I/O modules |
Applications
| Low-Noise Frequency Synthesizers | Infrared Detectors |
|---|---|
Use Scenario: Low-phase-noise voltage-controlled oscillator (VCO) tuning loop with active filtering. IC Role / Device Role / Timing Role: Precision integrator and loop filter amplifier in PLL charge-pump feedback path. Use Value: 2.4nV/√Hz noise floor minimizes close-in phase jitter; 28MHz bandwidth supports fast loop dynamics without instability. | Use Scenario: Front-end amplification of weak photocurrent from cooled HgCdTe or InSb photodetectors. IC Role / Device Role / Timing Role: Transimpedance amplifier (TIA) or preamplifier stage converting pA-level current to measurable voltage. Use Value: Bipolar input enables low input bias current (<150nA) while maintaining ultra-low voltage noise - essential for maximizing SNR in cryogenic IR systems. |
| High-Quality Audio Amplifiers | Bridge Signal Conditioning |
Use Scenario: Microphone preamplifier or line-level gain stage in studio-grade audio equipment. IC Role / Device Role / Timing Role: Low-distortion, low-noise gain block with DC-coupled topology and minimal THD+N. Use Value: 115dB open-loop gain and <–94dB THD+N at 1kHz ensure transparent signal amplification without coloration or added noise floor. | Use Scenario: Amplification and offset correction of mV-level outputs from Wheatstone bridge pressure or load cells. IC Role / Device Role / Timing Role: Instrumentation amplifier core or difference amplifier in ratiometric bridge readout circuitry. Use Value: 105dB CMRR and ±250µV max offset enable accurate µV-level differential measurements despite common-mode supply ripple or thermal drift. |
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 1.1nV/√Hz noise but higher 3.6mA supply current; JFET input vs. bipolar; 45MHz GBW | Better for ultra-low-noise DC-coupled applications where power is not constrained; less suitable for ±2.4V operation | Select OPA211IDR when lowest possible voltage noise dominates over supply current and low-voltage operation |
| LT1028CS8#PBF | 1.1nV/√Hz noise, ±15V max supply, 50MHz GBW, 3.5mA IS - requires higher supply headroom | Preferred in high-precision lab equipment with ±15V rails; not rated for –40°C to +85°C industrial temp range | Choose LT1028CS8#PBF for legacy ±15V systems demanding best-in-class noise, not for low-voltage or extended-temp designs |
Compared with OPA211IDR and LT1028CS8#PBF, the MAX410BESA uniquely combines sub-2.5nV/√Hz noise, ±2.4V minimum supply, 2.5mA quiescent current, and industrial temperature rating in an SO-8 package - making it optimal for space- and power-constrained embedded instrumentation.
Availability
MAX410BESA is available at Aetrix Electronics and suitable for low-noise instrumentation amplifiers, infrared detector front-ends, and bridge signal conditioning requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for MAX410BESA 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, communications, and consumer applications.
The MAX410 series belongs to Maxim's precision op amp product line, designed specifically for applications demanding ultra-low voltage noise, wide bandwidth, and robust DC accuracy under low-voltage, dual-supply operation.
FAQ
What is the maximum capacitive load the MAX410BESA can drive stably in unity-gain configuration?
The MAX410BESA remains stable driving up to 3900pF in unity-gain (voltage-follower) configuration, as verified in the datasheet's Typical Operating Characteristics. For larger loads, an output isolation resistor (e.g., 10Ω) is recommended. This capability eliminates external compensation in many sensor buffer designs and directly supports piezoelectric or long-cable interfacing without oscillation risk. The MAX410BESA's internal compensation ensures this stability without requiring user-adjusted external components.
Does the MAX410BESA require external offset nulling for precision DC applications?
The MAX410BESA has a maximum input offset voltage of ±250µV over –40°C to +85°C, which may be acceptable for many precision applications without trimming. However, Pins 1 and 6 support external nulling via a 10kΩ potentiometer to achieve near-zero offset across temperature. This feature is implemented in the MAX410BESA's SO-8 package as documented in Figure 9 of the datasheet, enabling calibration in high-gain DC-coupled stages such as strain gauge amplifiers where residual offset would otherwise dominate error budgets.
Can the MAX410BESA operate from a single 5V supply?
Yes - the MAX410BESA supports single-supply operation down to 4.8V total supply (e.g., V+ = 5V, V– = 0.2V), though its specified performance is guaranteed for ±2.4V to ±5V dual supplies. Input common-mode range extends to within 1.5V of each rail, and output swing reaches within 1.4V of V+ and 1.3V of V– with a 2kΩ load. For true rail-to-rail input/output behavior, a different amplifier family would be required; the MAX410BESA is optimized for dual-supply precision, not single-supply convenience.
What is the input protection scheme used in the MAX410BESA?
The MAX410BESA uses back-to-back silicon diodes between IN+ and IN– for differential input protection, clamping voltages exceeding ±0.1V. Unlike many op amps, it omits series current-limiting resistors to preserve its ultra-low 2.4nV/√Hz noise floor. If inputs may experience >±0.1V differential stress, external 2kΩ–10kΩ resistors should be added to limit current to <20mA. This design choice reflects the MAX410BESA's prioritization of noise performance over ruggedness - a trade-off explicitly documented in the Applications Information section.
How does the MAX410BESA's noise performance compare between 10Hz and 1kHz?
At 1kHz, the MAX410BESA guarantees ≤2.4nV/√Hz voltage-noise density. At 10Hz, its 1/f noise corner is 90Hz, so noise rises significantly below that frequency - typical 0.1Hz–10Hz peak-to-peak noise is ~1.5µV. This means the MAX410BESA excels in wideband applications (e.g., audio, RF synthesis) but requires careful filtering or chopper-assisted architectures for sub-10Hz precision DC measurements. Its noise profile is fully characterized in Figures 1–5 of the datasheet, confirming suitability for applications where broadband noise dominates over flicker noise.
MAX410BESA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- 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:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX410BESA FAQ
1.How can I place an order for MAX410BESA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX410BESA 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 MAX410BESA reliable?
The price and inventory of MAX410BESA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX410BESA is usually 5 days.
3.What payment methods are accepted for MAX410BESA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX410BESA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX410BESA?
MAX410BESA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX410BESA 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 MAX410BESA?
For technical support, including MAX410BESA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX410BESA requirements.
6.How does Aetrix verify that MAX410BESA is sourced from the original manufacturer or authorized distributors?
All MAX410BESA 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 MAX410BESA meets industry standards.
7.What is the process for return or replacement of MAX410BESA?
All MAX410BESA units undergo pre-shipment inspection (PSI). If there is an issue with MAX410BESA, 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 MAX410BESA part is unused and in its original packaging.
Return procedure for MAX410BESA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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