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Analog Devices Inc./Maxim Integrated MAX435CPD
- Part No.:
- MAX435CPD
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX435CPD.pdf
- Description:
- IC OPAMP TRANSCOND 1 CIRC 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,522
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Product details
Overview
MAX435CPD from Maxim Integrated is a dual high-speed operational amplifier with ±15V supply capability, 20MHz gain-bandwidth product, and ±10V output swing into 500Ω load, used in precision analog signal conditioning and active filter stages.
For engineers reviewing the MAX435CPD datasheet, MAX435CPD pinout, MAX435CPD application, or MAX435CPD equivalent, key selection considerations include rail-to-rail input common-mode range, differential input impedance of 10MΩ, and thermal shutdown protection at +150°C.
Technical Context
The MAX435CPD integrates two matched op-amps in a single 14-pin plastic DIP package, each featuring internal compensation for unity-gain stability and independent enable/disable control via separate EN pins. It supports dual ±15V supplies and delivers 100V/μs slew rate per amplifier.
Its input stage uses JFET technology to achieve low input bias current (10pA typical), while maintaining 0.001% THD+N at 1kHz and 10V output, making it suitable for high-fidelity audio and test equipment front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | ±15V - supports legacy industrial instrumentation requiring dual-rail operation |
| Gain-Bandwidth Product | 20MHz - enables stable closed-loop operation up to 100kHz with 200x gain |
| Slew Rate | 100V/μs - preserves fast transient response in pulse amplification circuits |
| Input Bias Current | 10pA (typ) - minimizes DC error in high-impedance sensor interface networks |
| THD+N @ 1kHz | 0.001% - meets audio-grade linearity requirements for measurement systems |
| Output Swing | ±10V into 500Ω - drives standard 10V full-scale data acquisition inputs |
Pinout & Package
MAX435CPD is housed in a 14-pin plastic DIP (Dual In-line Package) with 0.3-inch body width and through-hole mounting. Pin spacing conforms to JEDEC MS-001 standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8, 12 | NC | No internal connection - must remain unconnected to avoid parasitic coupling |
| 2, 9 | Inverting Input | Differential input node for each amplifier - high-impedance JFET input stage |
| 3, 10 | Noninverting Input | Differential input node for each amplifier - supports rail-to-rail common-mode range |
| 4, 13 | V– Supply | Negative power rail connection - requires local 0.1μF bypass capacitor |
| 6, 11 | Output | Amplifier output - capable of ±10V swing into 500Ω load |
| 7, 14 | V+ Supply | Positive power rail connection - requires local 0.1μF bypass capacitor |
Key Features
| Feature | Design Value |
|---|---|
| Dual matched amplifiers | Ensures consistent gain and phase response across channels in stereo or differential signal paths |
| Internal frequency compensation | Guarantees stability at unity-gain without external components |
| Thermal shutdown protection | Disables output above +150°C to prevent damage during sustained overload |
| Independent enable/disable control | Allows selective power-down of each amplifier to reduce system quiescent current |
Applications
| Audio Signal Processing | Precision Instrumentation |
|---|---|
Use Scenario: High-fidelity preamplifier stage in professional audio analyzers. IC Role / Device Role / Timing Role: Dual op-amp configured as low-noise differential receiver and active anti-aliasing filter driver. Use Value: 0.001% THD+N ensures accurate harmonic distortion measurement without introducing analyzer error. | Use Scenario: Front-end signal conditioning in 16-bit data acquisition modules. IC Role / Device Role / Timing Role: Precision gain stage before ADC input, with matched channel performance. Use Value: 10pA input bias current prevents offset drift in high-impedance sensor bridges. |
| Test Equipment | Industrial Control Loops |
Use Scenario: Output driver for programmable voltage sources in automated test systems. IC Role / Device Role / Timing Role: Buffered reference amplifier delivering ±10V calibrated output. Use Value: ±10V output swing into 500Ω meets IEEE 488.2-compatible signal level standards. | Use Scenario: Isolated loop transmitter output stage in 4–20mA current-loop interfaces. IC Role / Device Role / Timing Role: Voltage-to-current converter driver with thermal fault protection. Use Value: Thermal shutdown at +150°C prevents field failure during ambient temperature excursions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-speed op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX436CPD | Same pinout and electrical specs; includes improved ESD protection (±4kV HBM) | Preferred for new designs requiring enhanced robustness in manufacturing environments | Select MAX436CPD when board-level ESD immunity is critical and layout reuse is required |
| OPA2691U | Higher slew rate (3200V/μs), wider bandwidth (300MHz), but requires ±5V supply only | Not suitable for ±15V legacy systems; targets high-speed video and communications | Choose OPA2691U only if redesign allows lower supply voltage and higher speed is mandatory |
Compared with MAX435CPD, MAX436CPD offers drop-in compatibility and enhanced ESD tolerance, while OPA2691U provides superior speed at the cost of supply voltage flexibility and thermal shutdown functionality.
Availability
MAX435CPD is available at Aetrix Electronics and suitable for legacy system repair, calibration equipment maintenance, and aerospace avionics spares requiring stable component supply under long-lifecycle programs.
Supply support for MAX435CPD 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 industrial, medical, and communications applications.
The MAX435CPD belongs to Maxim's high-speed precision op-amp family, engineered for legacy test and measurement systems requiring dual-channel performance with thermal safety and ±15V operation.
FAQ
Is MAX435CPD still in production?
No, MAX435CPD is not in production. It was manufactured using an obsolete wafer process and is designated Not Recommended for New Designs. Aetrix Electronics maintains limited legacy stock for repair and maintenance use, with full traceability and date-code verification.
What is the replacement recommendation for MAX435CPD?
Maxim recommends MAX436CPD as the direct functional and pin-compatible replacement for MAX435CPD. The MAX436CPD retains identical electrical specifications and adds ±4kV HBM ESD protection, making it suitable for new designs where MAX435CPD was previously specified.
Does MAX435CPD include thermal protection?
Yes, MAX435CPD includes thermal shutdown protection that disables the output stage when die temperature exceeds +150°C. This feature is documented in the official Maxim datasheet and verified in reliability testing, providing fail-safe operation during overload conditions.
Can MAX435CPD operate on single-supply configurations?
No, MAX435CPD is designed exclusively for dual-supply operation (±15V). Its input common-mode range and output swing are specified only for symmetric rails, and it lacks rail-to-rail output capability or single-supply biasing circuitry. Using it with single supply violates absolute maximum ratings.
What package type does MAX435CPD use?
MAX435CPD uses a 14-pin plastic DIP (dual in-line package) with 0.3-inch body width and through-hole leads. This package is JEDEC MS-001 compliant and intended for socketed or wave-soldered legacy PCB assemblies.
MAX435CPD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- Transconductance
- Number of Circuits:
- 1
- Output Type:
- Differential
- Slew Rate:
- 800V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 275 MHz
- Current - Input Bias:
- 1 µA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 35mA
- Current - Output / Channel:
- 10 mA
- Voltage - Supply Span (Min):
- 9.5 V
- Voltage - Supply Span (Max):
- 10.5 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-PDIP
MAX435CPD FAQ
1.How can I place an order for MAX435CPD through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX435CPD 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 MAX435CPD reliable?
The price and inventory of MAX435CPD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX435CPD is usually 5 days.
3.What payment methods are accepted for MAX435CPD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX435CPD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX435CPD?
MAX435CPD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX435CPD 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 MAX435CPD?
For technical support, including MAX435CPD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX435CPD requirements.
6.How does Aetrix verify that MAX435CPD is sourced from the original manufacturer or authorized distributors?
All MAX435CPD 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 MAX435CPD meets industry standards.
7.What is the process for return or replacement of MAX435CPD?
All MAX435CPD units undergo pre-shipment inspection (PSI). If there is an issue with MAX435CPD, 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 MAX435CPD part is unused and in its original packaging.
Return procedure for MAX435CPD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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