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Analog Devices Inc./Maxim Integrated MAX336EAI+T
- Part No.:
- MAX336EAI+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
MAX336EAI+T.pdf
- Description:
- IC MUX 16:1 400OHM 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,575
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Product details
Overview
MAX336EAI+T from Maxim Integrated is a 16-channel, single-ended CMOS analog multiplexer designed to route one of 16 bidirectional analog inputs to a common COM output under 4-bit binary address control. It features 400Ω max on-resistance, <20pA NO-off leakage at +25°C, and 3.5pC typical charge injection-enabling precision data acquisition in industrial test equipment and signal routing systems operating from ±4.5V to ±20V dual supplies or +4.5V to +30V single supply.
For engineers reviewing the MAX336EAI+T datasheet, MAX336EAI+T pinout, MAX336EAI+T application, or MAX336EAI+T equivalent, key selection criteria include guaranteed low leakage across -40°C to +85°C, rail-to-rail signal handling, TTL/CMOS-compatible enable and address inputs, and ESD protection >2000V per Method 3015.7.
Technical Context
The MAX336EAI+T implements a monolithic BiCMOS decoder-driver architecture with integrated level-shifting for TTL/CMOS logic compatibility across its full ±4.5V to ±18V supply range. Its switch matrix uses matched FET pairs to achieve ≤10Ω on-resistance matching between channels and break-before-make switching with 10ns–50ns tOPEN.
It supports bidirectional rail-to-rail analog signal routing from V– to V+, with guaranteed performance over temperature: on-resistance remains ≤500Ω from –40°C to +85°C, and off-leakage stays below ±1.25nA across the same range under ±10V bias conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel Count | 16-channel single-ended mux: selects one of 16 analog inputs to shared COM output via A0–A3 address lines. |
| On-Resistance (max) | 400Ω at +25°C, ≤500Ω over –40°C to +85°C: ensures minimal signal attenuation and gain error in precision instrumentation paths. |
| NO-Off Leakage | <±0.02nA at +25°C, <±1.25nA over full temp range: critical for high-impedance sensor front-ends and low-current measurement circuits. |
| Charge Injection | 3.5pC typical: limits voltage glitch on sampled-hold capacitors, enabling accurate DC-coupled data acquisition without large settling delays. |
| Supply Range | +4.5V to +30V single supply or ±4.5V to ±20V dual supply: supports wide-range industrial sensors, battery-powered test gear, and mixed-signal systems. |
| Logic Compatibility | TTL/CMOS inputs (0.8V–2.4V thresholds) over full temperature and supply range: eliminates need for level shifters in microcontroller- or FPGA-driven systems. |
| ESD Protection | >2000V per Method 3015.7: enhances robustness in benchtop test equipment and field-deployable instrumentation. |
Pinout & Package
MAX336EAI+T is housed in a 28-pin SSOP (Shrink Small Outline Package) with 0.65mm lead pitch and RoHS-compliant lead-free finish (+T suffix). The package measures 10.2mm × 5.3mm × 1.95mm (L×W×H), suitable for space-constrained PCB layouts in automated test equipment and portable instrumentation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply input | Bias rail for internal logic and switch driver; must be ≥4.5V above V− for proper operation. |
| V− | Negative supply input | Reference for analog signal swing; connect to GND for single-supply use (0V to V+). |
| GND | Logic ground reference | Return path for digital control signals; separate from analog ground in mixed-signal designs to minimize noise coupling. |
| COM | Common analog output | Bidirectional node connecting to selected NOx channel; handles rail-to-rail signals up to V+ and down to V−. |
| NO1–NO16 | Analog input terminals | 16 bidirectional analog ports; each electrically identical and interchangeable with COM when enabled. |
| A0–A3 | Binary address inputs | 4-bit code selects active channel (0–15); logic thresholds fixed at 0.8V/2.4V regardless of supply voltage. |
| EN | Enable input | Active-high TTL/CMOS control: disables all switches when low, preventing signal crosstalk during reconfiguration. |
| N.C. | No internal connection | Pins 2, 3, 13: unused pads; must remain unconnected to avoid parasitic coupling or mechanical stress. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports input/output voltages from V− to V+, enabling full dynamic range utilization in ±15V systems without clipping. |
| Guaranteed low charge injection | 3.5pC typ ensures sub-1mV glitch on 1nF sampling capacitors-critical for 16-bit+ SAR ADC front-ends. |
| Matched on-resistance | ≤10Ω max difference between any two channels minimizes gain mismatch in multi-channel calibration systems. |
| Plug-in DG506/DG507 upgrade | PIN-compatible replacement requiring no PCB changes; retains existing footprint while improving leakage and ESD specs. |
| Low transition time | 500ns max enables multiplexing of signals up to ~200kHz without significant distortion in time-domain applications. |
Applications
| Automated Test Equipment (ATE) | Precision Data Acquisition Systems |
|---|---|
Use Scenario: Routing multiple sensor outputs (thermocouples, strain gauges) to a shared high-resolution ADC in modular rack-mounted testers. IC Role / Device Role / Timing Role: Analog signal selector providing low-leakage, low-charge-injection switching between channels under microcontroller address control. Use Value: Enables 16:1 channel density without degrading offset stability or introducing measurable settling errors in DC-coupled measurements. | Use Scenario: Front-end multiplexing in portable environmental monitoring units measuring pH, dissolved oxygen, and conductivity simultaneously. IC Role / Device Role / Timing Role: Bidirectional analog switch supporting both sensor excitation and signal return paths in ratiometric measurement topologies. Use Value: Rail-to-rail operation preserves full sensor output range; <20pA leakage prevents drift in high-impedance electrochemical sensor interfaces. |
| Industrial Process Control I/O Modules | Benchtop Laboratory Instruments |
Use Scenario: Signal conditioning stage in DIN-rail PLC analog input modules accepting 0–10V, ±5V, and 4–20mA field signals. IC Role / Device Role / Timing Role: Input selector isolating individual field channels before programmable gain amplification and filtering. Use Value: ±20V dual-supply support accommodates industrial signal ranges; >2000V ESD rating withstands harsh factory floor transients. | Use Scenario: Channel selection in multi-function calibrators generating precise DC voltage/current standards traceable to NIST references. IC Role / Device Role / Timing Role: Low-drift analog switch ensuring metrological integrity during automatic self-calibration sequences. Use Value: 3.5pC charge injection and <10Ω RON matching reduce calibration uncertainty contributions to <0.005% of reading. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX336CAI+ | 0°C to +70°C temperature range vs. –40°C to +85°C for MAX336EAI+T; otherwise identical pinout, specs, and package. | Suitable only for commercial-grade equipment; not rated for extended industrial ambient or automotive under-hood environments. | Select MAX336CAI+ only if operating temperature never exceeds +70°C and cost sensitivity outweighs long-term reliability requirements. |
| ADG506AKRZ | 16-channel CMOS mux with 300Ω max RON, but higher 50pA max off-leakage and no guaranteed charge injection spec; SOIC-28 package. | Lacks ESD rating >2000V and fails to meet <20pA leakage requirement for ultra-high-Z sensor interfaces. | Consider ADG506AKRZ only where lower on-resistance is prioritized over leakage and ESD robustness, and where board layout allows SOIC-28 instead of SSOP-28. |
Compared with MAX336CAI+, MAX336EAI+T extends operational reliability to industrial extremes; compared with ADG506AKRZ, it delivers superior leakage control and verified ESD immunity-making it the preferred choice for precision, mission-critical signal routing.
Availability
MAX336EAI+T is available at Aetrix Electronics and suitable for automated test equipment, precision data acquisition systems, and industrial process control I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX336EAI+T 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 high-performance analog, mixed-signal, and power management ICs for industrial, medical, communications, and consumer applications.
The MAX336 series belongs to Maxim's precision analog switch/multiplexer product line, engineered specifically for low-leakage, low-charge-injection signal routing in metrology-grade instrumentation and ruggedized test systems.
FAQ
What is the operating temperature range of the MAX336EAI+T?
The MAX336EAI+T is specified for continuous operation from –40°C to +85°C. This extended industrial temperature range is confirmed in the Ordering Information table and Electrical Characteristics sections of the official datasheet, making it suitable for deployment in factory automation, outdoor instrumentation, and other thermally demanding environments where the commercial-grade MAX336CAI+ would fail.
Does the MAX336EAI+T support single-supply operation?
Yes, the MAX336EAI+T supports single-supply operation from +4.5V to +30V. When used in this mode, V− must be connected to GND. The device maintains full functionality-including TTL/CMOS-compatible logic inputs and rail-to-rail analog signal handling-with no degradation in on-resistance, leakage, or switching speed specifications as documented in the Single-Supply Electrical Characteristics table.
Is the MAX336EAI+T pin-compatible with the DG506?
Yes, the MAX336EAI+T is explicitly described in the datasheet as a "plug-in upgrade for industry-standard DG506/DG507." Pin assignments, package outline, and functional behavior match exactly-allowing direct replacement on existing PCBs without layout modification, while delivering improved leakage, charge injection, and ESD performance over the legacy part.
What is the maximum analog signal voltage range supported by the MAX336EAI+T?
The MAX336EAI+T supports analog signals from V− to V+, with absolute maximum ratings of (V− − 0.3V) to (V+ + 0.3V). Under standard ±15V dual supplies, this yields a guaranteed ±15V signal range. With +12V/0V single supply, the usable range is 0V to +12V. These values are measured and specified in the "Analog Signal Range" parameter tables for both dual- and single-supply configurations.
How does the charge injection specification of the MAX336EAI+T impact system accuracy?
The MAX336EAI+T's guaranteed 3.5pC typical charge injection directly determines voltage error on sampling capacitors: ΔV = Q/C. For a 1nF hold capacitor, this produces a 3.5mV glitch-well within tolerance for 12-bit systems and manageable with short settling windows in 16-bit designs. This value is measured per Figure 6 in the datasheet and is critical for minimizing acquisition-time overhead in successive-approximation ADC front-ends.
MAX336EAI+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 16:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 400Ohm
- Channel-to-Channel Matching (ΔRon):
- 5Ohm
- Voltage - Supply, Single (V+):
- 4.5V ~ 20V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 500ns, 500ns
- -3db Bandwidth:
- -
- Charge Injection:
- 3.5pC
- Channel Capacitance (CS(off), CD(off)):
- 2pF, 20pF
- Current - Leakage (IS(off)) (Max):
- 20pA
- Crosstalk:
- -86dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-SSOP
MAX336EAI+T FAQ
1.How can I place an order for MAX336EAI+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX336EAI+T 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 MAX336EAI+T reliable?
The price and inventory of MAX336EAI+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX336EAI+T is usually 5 days.
3.What payment methods are accepted for MAX336EAI+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX336EAI+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX336EAI+T?
MAX336EAI+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX336EAI+T 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 MAX336EAI+T?
For technical support, including MAX336EAI+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX336EAI+T requirements.
6.How does Aetrix verify that MAX336EAI+T is sourced from the original manufacturer or authorized distributors?
All MAX336EAI+T 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 MAX336EAI+T meets industry standards.
7.What is the process for return or replacement of MAX336EAI+T?
All MAX336EAI+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX336EAI+T, 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 MAX336EAI+T part is unused and in its original packaging.
Return procedure for MAX336EAI+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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