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Analog Devices Inc./Maxim Integrated MAX336EUI
- Part No.:
- MAX336EUI
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX336EUI.pdf
- Description:
- IC MUX 16:1 400OHM 28TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,203
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Product details
Overview
MAX336EUI 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 signal routing in data acquisition systems operating from ±4.5V to ±20V dual supplies or +4.5V to +30V single supply.
For engineers reviewing the MAX336EUI datasheet, MAX336EUI pinout, MAX336EUI application, or MAX336EUI 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 MAX336EUI implements a monolithic BiCMOS decoder-driver architecture with integrated level-shifting for TTL/CMOS logic compatibility across full supply ranges (±4.5V to ±18V). Its switch array uses matched FETs to achieve ≤10Ω on-resistance matching and break-before-make timing (10–50ns) that prevents momentary shorting during channel transitions.
Signal integrity is maintained via <2pF logic input capacitance, 20pF COM-off capacitance, and -82dB off isolation at 100kHz-critical for high-impedance sensor interfaces and test equipment where crosstalk and settling error must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel Count | 16-channel single-ended mux; selects one analog input (NO1–NO16) to shared COM output |
| On-Resistance (max) | 400Ω at TA = +25°C, VCOM = ±10V - ensures minimal gain error in precision amplifier front-ends |
| NO-Off Leakage (max) | 0.02nA at +25°C - preserves accuracy in picoamp-level sensor measurements |
| Charge Injection (typ) | 3.5pC - limits voltage glitch on high-impedance nodes (e.g., sample-hold capacitors) |
| Supply Range | +4.5V to +30V single supply or ±4.5V to ±20V dual supply - supports industrial ±15V and battery-powered +5V/+12V systems |
| Logic Compatibility | TTL/CMOS inputs (0.8V–2.4V thresholds) over full temp range - eliminates need for level shifters in mixed-voltage systems |
| ESD Protection | >2000V per Method 3015.7 - reduces board-level ESD hardening requirements |
Pinout & Package
MAX336EUI is housed in a 28-pin SSOP (Shrink Small Outline Package) with 0.65mm lead pitch, RoHS-compliant and lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply voltage input | Bias source for internal circuitry; must be ≥+4.5V and ≤+30V (single) or ≤+44V above V− |
| V− | Negative supply voltage input | Reference for analog signal range; connect to GND for single-supply operation |
| GND | Logic ground reference | Return path for digital control signals; separate from analog COM return in sensitive layouts |
| COM | Common analog output terminal | Bidirectional node carrying routed signal; supports rail-to-rail voltage swing between V− and V+ |
| NO1–NO16 | Analog input terminals | 16 bidirectional channels; each electrically identical and interchangeable with COM |
| A0–A3 | 4-bit binary address inputs | Select active channel (0–15); latched internally, no external clock required |
| EN | Enable input (active-high) | Global on/off control; disables all switches when low, reducing leakage and power |
| N.C. | No internal connection | Pins 2, 3, 13 - must remain unconnected; no pull-up/down or routing needed |
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 instrumentation |
| Guaranteed low charge injection (3.5pC typ) | Minimizes settling error in sample-and-hold and ADC driver stages without requiring additional correction circuitry |
| Pin-compatible upgrade for DG506 | Direct replacement for legacy industry-standard muxes without PCB redesign or firmware changes |
| 100% tested leakage at max hot temperature | Ensures specified <20pA NO-off leakage holds across full -40°C to +85°C operating range |
| Bidirectional current conduction | Enables use as both multiplexer and demultiplexer in signal distribution and feedback loop applications |
Applications
| Precision Data Acquisition | Precision Signal Routing |
|---|---|
Use Scenario: Multiplexing outputs from 16 thermocouple amplifiers into a single high-resolution ADC channel. IC Role / Device Role / Timing Role: Analog switch providing low-leakage, low-charge-injection signal selection prior to digitization. Use Value: Maintains sub-μV offset stability and avoids gain drift caused by channel-to-channel RON mismatch (≤10Ω). | Use Scenario: Routing calibrated reference voltages to multiple DAC outputs in automated test equipment. IC Role / Device Role / Timing Role: Precision analog selector ensuring minimal voltage error (<0.01%) across all 16 paths. Use Value: 400Ω max RON and ≤10Ω matching eliminate need for per-channel gain trimming. |
| Test Equipment | Industrial Sensor Interface |
Use Scenario: Configurable signal path switching in modular PXI-based measurement systems with hot-swap capability. IC Role / Device Role / Timing Role: High-isolation (−82dB), low-crosstalk (−86dB) analog switch enabling simultaneous multi-channel stimulus/response testing. Use Value: Prevents signal coupling between adjacent channels during high-frequency (100kHz) AC measurements. | Use Scenario: Interfacing 16 remote RTD or strain gauge bridges to a centralized signal conditioning unit in factory automation. IC Role / Device Role / Timing Role: Low-leakage analog multiplexer preserving nanoamp-level bridge excitation currents. Use Value: <20pA NO-off leakage prevents measurement errors in high-impedance Wheatstone bridge topologies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1607BRUZ | 8-channel, 3.3V/5V-only supply; 4.5Ω RON; 0.1pC charge injection | Lower voltage, lower leakage, but half the channel count and no ±15V support | Preferred for low-voltage, ultra-low-charge-injection 8-channel designs; not suitable for direct 16-channel or ±15V replacement |
| DG506AY | Legacy 16-channel mux; 900Ω RON; 25pC charge injection; no ESD rating | Higher on-resistance and charge injection; lacks modern ESD robustness and leakage specs | Only for legacy repair or cost-sensitive non-critical applications; MAX336EUI provides measurable performance uplift |
Compared with ADG1607BRUZ and DG506AY, the MAX336EUI uniquely delivers 16-channel count, ±15V operation, sub-20pA leakage, and >2000V ESD protection in a single RoHS-compliant SSOP package-making it the only drop-in solution for upgrading industrial data loggers and test systems requiring wide supply and precision analog routing.
Availability
MAX336EUI is available at Aetrix Electronics and suitable for precision data acquisition, test equipment, and industrial sensor interface applications requiring stable component supply across extended temperature (-40°C to +85°C) and long product lifecycle support.
Supply support for MAX336EUI 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 MAX336EUI belongs to Maxim's high-performance analog multiplexer family, engineered specifically for low-leakage, low-charge-injection signal routing in demanding measurement and control systems.
FAQ
What is the maximum operating temperature range for the MAX336EUI?
The MAX336EUI is rated for operation from -40°C to +85°C. This extended temperature range is validated across all electrical specifications-including leakage current, on-resistance, and switching times-and is confirmed in the official Maxim Integrated datasheet revision 1 (October 2014). The "E" suffix in MAX336EUI explicitly denotes this industrial-grade temperature grade.
Does the MAX336EUI support single-supply operation, and what is the minimum voltage?
Yes, the MAX336EUI supports single-supply operation with V− connected to GND. The minimum positive supply voltage is +4.5V, and the maximum is +30V. At +4.5V, analog signal range is reduced (0V to +4.5V), while higher supplies like +12V or +15V restore full rail-to-rail capability. This flexibility is documented in the "Operation with Supply Voltages Other than 15V" section of the datasheet.
Is the MAX336EUI pin-compatible with the DG506, and what design benefits does that provide?
Yes, the MAX336EUI is a pin-compatible upgrade for the DG506. It shares identical 28-pin SSOP pinout, address/enable logic behavior, and functional truth table. This allows direct replacement without PCB or firmware changes-while delivering 400Ω vs. 900Ω on-resistance, 3.5pC vs. 25pC charge injection, and >2000V ESD protection absent in the DG506.
What is the guaranteed maximum on-resistance matching between channels in the MAX336EUI?
The MAX336EUI guarantees ≤10Ω on-resistance matching (∆RON) between any two channels at +25°C, and ≤15Ω across the full -40°C to +85°C temperature range. This parameter is measured under standardized conditions (INO = 0.2mA, VCOM = ±10V) and is critical for maintaining consistent gain in multi-channel instrumentation amplifier front-ends.
How does the MAX336EUI handle electrostatic discharge, and is external protection required?
The MAX336EUI incorporates on-chip ESD protection rated >2000V per Method 3015.7, eliminating the need for external TVS diodes in most industrial environments. However, proper power-supply sequencing (V+ first, then V−, then logic) is recommended. If sequencing cannot be guaranteed, external series diodes may be added-but this reduces analog signal range by ~1V and is not required for standard operation.
MAX336EUI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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-TSSOP
MAX336EUI FAQ
1.How can I place an order for MAX336EUI through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX336EUI 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 MAX336EUI reliable?
The price and inventory of MAX336EUI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX336EUI is usually 5 days.
3.What payment methods are accepted for MAX336EUI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX336EUI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX336EUI?
MAX336EUI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX336EUI 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 MAX336EUI?
For technical support, including MAX336EUI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX336EUI requirements.
6.How does Aetrix verify that MAX336EUI is sourced from the original manufacturer or authorized distributors?
All MAX336EUI 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 MAX336EUI meets industry standards.
7.What is the process for return or replacement of MAX336EUI?
All MAX336EUI units undergo pre-shipment inspection (PSI). If there is an issue with MAX336EUI, 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 MAX336EUI part is unused and in its original packaging.
Return procedure for MAX336EUI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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