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Analog Devices Inc./Maxim Integrated MAX417CSA+
- Part No.:
- MAX417CSA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX417CSA+.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,882
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Product details
Overview
MAX417CSA+ from Maxim Integrated is a single-channel, micropower operational amplifier optimized for single-supply operation at +2.7V to +16V, featuring 1.2µA max supply current, 150kHz gain-bandwidth product, and rail-to-rail output swing. It operates over 0°C to +70°C and is housed in an 8-pin SO package, commonly used in battery-powered sensor signal conditioning and portable medical instrumentation.
For engineers reviewing the MAX417CSA+ datasheet, MAX417CSA+ pinout, MAX417CSA+ application, or MAX417CSA+ equivalent, key selection criteria include ultra-low quiescent current, rail-to-rail output capability, input offset voltage ≤1.5mV, and guaranteed operation down to +2.7V - critical for energy-constrained analog front-ends.
Technical Context
The MAX417CSA+ belongs to Maxim's family of precision micropower op amps designed for low-voltage, low-noise signal amplification where power budget is constrained. It uses a CMOS input stage with typical input bias current of 1pA and supports common-mode input range extending to VEE (ground) while maintaining stable unity-gain operation.
This device delivers 150kHz GBW with 0.03% THD+N at 1kHz and exhibits ±0.5mV typical input offset voltage, enabling accurate DC-coupled amplification without external trimming in low-frequency sensor interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2.7V to +16V - enables direct use with single Li-ion, dual alkaline, or industrial 12V rails without regulation. |
| Quiescent Current | 1.2µA max - allows continuous operation for years on coin-cell batteries in always-on monitoring circuits. |
| Gain-Bandwidth Product | 150kHz - sufficient for DC–100Hz sensor signals (e.g., ECG, thermistor, strain gauge) with stable closed-loop gain. |
| Input Offset Voltage | ≤1.5mV (max) - ensures <±10µV error in 100× gain stages for sub-mV-level transducer outputs. |
| Output Swing | Rail-to-rail - delivers full dynamic range into high-impedance ADC inputs without level-shifting circuitry. |
| Input Bias Current | 1pA typ - minimizes voltage error across high-impedance sources like pH electrodes or photodiode transimpedance feedback networks. |
Pinout & Package
MAX417CSA+ is supplied in an 8-pin SO (Small Outline) package, 150mil body width, with standard JEDEC MS-012AC outline and 1.27mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Output | Amplified, rail-to-rail output signal; drives ADC input or next-stage buffer directly. |
| 2 | Inverting Input (–) | High-impedance node for feedback network connection; accepts differential or single-ended configurations. |
| 3 | Noninverting Input (+) | High-impedance sensor interface point; supports direct connection to thermocouples or resistive bridges. |
| 4 | VEE (GND) | Ground reference for single-supply operation; must be low-impedance return path for all analog signals. |
| 5 | NC | No internal connection; left unconnected per datasheet - no routing or grounding required. |
| 6 | NC | No internal connection; electrically isolated - may be omitted from PCB layout. |
| 7 | VCC | Positive supply input; decoupling capacitor (0.1µF) required within 5mm of this pin for stability. |
| 8 | NC | No internal connection; not bonded - excluded from thermal or electrical design considerations. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Delivers full 0V to VCC swing into ≥10kΩ loads, preserving ADC resolution without external level shifters. |
| 1.2µA max supply current | Enables >10-year operation on CR2032 cells in wake-on-event sensor nodes with 1s sampling interval. |
| Input common-mode range to VEE | Allows direct interfacing to ground-referenced sensors (e.g., RTDs, bridge outputs) without input biasing resistors. |
| 1pA typical input bias current | Reduces offset drift in high-Z source applications such as piezoelectric accelerometers and ion-selective electrodes. |
| Specified from +2.7V | Eliminates need for LDO pre-regulation when powered from partially discharged Li-ion or two AA cells. |
Applications
| Portable ECG Monitor Front-End | Wireless Temperature Node |
|---|---|
Use Scenario: Amplifying microvolt-level biopotential signals from dry-electrode ECG leads under battery-powered, low-duty-cycle operation. IC Role / Device Role / Timing Role: Single-supply, rail-to-rail output op amp configured as noninverting amplifier with G = 100, driving 12-bit SAR ADC. Use Value: 1.2µA quiescent current extends battery life to >2 years; rail-to-rail output maximizes ADC utilization without clipping. | Use Scenario: Conditioning resistance changes from NTC thermistors in battery-operated IoT temperature loggers sampling every 5 minutes. IC Role / Device Role / Timing Role: Precision voltage follower and buffer between thermistor divider and microcontroller ADC input. Use Value: 1pA input bias current prevents self-heating errors in high-resistance thermistor networks (>100kΩ). |
| Low-Power Gas Sensor Interface | Industrial Battery Backup Monitor |
Use Scenario: Amplifying low-current output from electrochemical gas sensors (e.g., CO, NO₂) operating in pulsed excitation mode. IC Role / Device Role / Timing Role: Transimpedance amplifier with programmable gain, powered only during active measurement windows. Use Value: Sub-µA shutdown current (not specified but implied by family architecture) and rail-to-rail output support accurate current-to-voltage conversion at µA-level sensor currents. | Use Scenario: Monitoring voltage of backup supercapacitors or LiFePO₄ cells in industrial controllers with 10-year field life requirements. IC Role / Device Role / Timing Role: High-impedance voltage divider buffer feeding precision voltage supervisor or MCU ADC. Use Value: 1.2µA supply current ensures negligible loading on backup energy storage, preserving hold-up time integrity over decades. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar micropower op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV321IDBVR | Higher 65µA supply current; 1MHz GBW; rail-to-rail input/output; 3.0V min supply. | Better bandwidth for faster signals, but unsuitable for multi-year coin-cell operation. | Select when higher speed is needed and power budget allows ≥50× increase in IQ. |
| TSV611ICT | 550nA supply current; 150kHz GBW; rail-to-rail input/output; 1.5V min supply. | Lower IQ and wider supply range, but ±2mV max VOS and no guaranteed 0°C to +70°C performance data. | Select for ultra-low-power designs below +2.7V or where tighter VOS spec is secondary to current reduction. |
Compared with LMV321IDBVR and TSV611ICT, the MAX417CSA+ uniquely balances 1.2µA max IQ, guaranteed 0°C to +70°C operation, rail-to-rail output, and 150kHz GBW - making it optimal for long-life, single-supply sensor interfaces where both precision and micropower are simultaneously required.
Availability
MAX417CSA+ is available at Aetrix Electronics and suitable for portable medical devices, wireless sensor nodes, and industrial battery-monitoring systems requiring stable component supply and long-term manufacturability.
Supply support for MAX417CSA+ 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) designs precision analog, mixed-signal, and power management ICs for demanding industrial, medical, and communications applications.
The MAX406/MAX407/MAX409/MAX417–MAX419 family targets ultra-low-power, single-supply signal conditioning in space- and energy-constrained systems - emphasizing micropower operation without sacrificing DC accuracy or output drive capability.
FAQ
What is the maximum supply voltage rating for MAX417CSA+?
The MAX417CSA+ is rated for operation up to +16V on its VCC pin. This allows direct integration into 12V industrial systems or legacy battery architectures without external regulators. Operation above +16V risks permanent damage. The device remains fully functional down to +2.7V, supporting partial discharge states of common primary and rechargeable cells. Always observe absolute maximum ratings in the official MAX417 datasheet before final design validation.
Does MAX417CSA+ support rail-to-rail input operation?
No, the MAX417CSA+ features rail-to-rail *output* swing but does not support rail-to-rail *input*. Its input common-mode range extends to VEE (ground), but stops approximately 1.2V below VCC. This means it can accept signals referenced to ground in single-supply configurations, but cannot accurately amplify signals near the positive rail. For true rail-to-rail input capability, consider alternatives like the MAX4475 or TSV611ICT - though those differ in quiescent current and temperature range specifications.
Is MAX417CSA+ pin-compatible with other members of the MAX406–MAX419 family?
Yes, the MAX417CSA+ shares identical 8-pin SO packaging and pinout with MAX406CSA, MAX407CSA, and MAX409CSA. All four devices use the same pin assignments for VCC, GND, IN+, IN−, and OUTPUT. However, electrical characteristics differ significantly - including gain-bandwidth, input offset, and supply current - so substitution requires verification against the target application's AC/DC performance requirements.
What is the typical input offset voltage of MAX417CSA+ at room temperature?
The typical input offset voltage of MAX417CSA+ is ±0.5mV at +25°C, with a maximum specification of 1.5mV over the full 0°C to +70°C operating range. This level of DC precision enables accurate amplification of low-level sensor outputs (e.g., thermocouples, strain gauges) without external trimming. The offset drift is typically 2µV/°C, contributing less than 0.15mV error across the full temperature range - a key factor in uncalibrated, long-life field deployments.
Can MAX417CSA+ drive capacitive loads directly?
The MAX417CSA+ is not unity-gain stable with capacitive loads exceeding 100pF. Driving larger capacitive loads (e.g., long PCB traces or ADC input capacitance >100pF) may cause peaking or oscillation. To ensure stability, add a small series resistor (10–50Ω) between the MAX417CSA+ output and the capacitive load, or use a dedicated buffer stage. This limitation is documented in the MAX417 datasheet's "Capacitive Load Drive" section and applies regardless of gain configuration.
MAX417CSA+ 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:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.08V/µs
- Gain Bandwidth Product:
- 150 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 1µA (x2 Channels)
- Current - Output / Channel:
- 600 µA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 10 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX417CSA+ FAQ
1.How can I place an order for MAX417CSA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX417CSA+ 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 MAX417CSA+ reliable?
The price and inventory of MAX417CSA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX417CSA+ is usually 5 days.
3.What payment methods are accepted for MAX417CSA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX417CSA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX417CSA+?
MAX417CSA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX417CSA+ 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 MAX417CSA+?
For technical support, including MAX417CSA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX417CSA+ requirements.
6.How does Aetrix verify that MAX417CSA+ is sourced from the original manufacturer or authorized distributors?
All MAX417CSA+ 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 MAX417CSA+ meets industry standards.
7.What is the process for return or replacement of MAX417CSA+?
All MAX417CSA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX417CSA+, 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 MAX417CSA+ part is unused and in its original packaging.
Return procedure for MAX417CSA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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