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Analog Devices Inc./Maxim Integrated MAX336EPI
- Part No.:
- MAX336EPI
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-DIP (0.600", 15.24mm)
- Datasheet:
-
MAX336EPI.pdf
- Description:
- IC MUX 16:1 400OHM 28DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,804
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Product details
Overview
MAX336EPI from Maxim Integrated is a 16-channel, single-ended CMOS analog multiplexer designed to route one of 16 bidirectional analog inputs (NO1–NO16) to a common output (COM) under 4-bit binary address control (A0–A3). It operates from ±4.5V to ±20V dual supplies or +4.5V to +30V single supply, features 400Ω max on-resistance, <20pA NO-off leakage at +25°C, and 3.5pC typical charge injection-enabling precision signal routing in high-accuracy data acquisition systems.
For engineers reviewing the MAX336EPI datasheet, MAX336EPI pinout, MAX336EPI application, or MAX336EPI equivalent, key selection considerations include its -40°C to +85°C extended temperature range, rail-to-rail bidirectional signal handling, TTL/CMOS-compatible enable and address inputs, and guaranteed low off-leakage for sensor front-end and automated test equipment interfaces.
Technical Context
The MAX336EPI implements a monolithic BiCMOS decoder-mux architecture with integrated level-shifting logic to ensure TTL-compatible input thresholds (0.8V/2.4V) across full supply ranges (±4.5V to ±18V). Its switch array uses matched FETs to achieve ≤10Ω on-resistance matching between channels and supports break-before-make switching with ≤50ns interval.
Signal integrity is maintained via <2pF logic input capacitance, 20pF COM-off capacitance, and -82dB off-isolation at 100kHz-critical for low-crosstalk multiplexing in multi-channel instrumentation where channel-to-channel interference 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 |
| Supply Range | ±4.5V to ±20V dual or +4.5V to +30V single: enables operation with industrial bipolar rails or simplified unipolar systems |
| On-Resistance | 400Ω max at TA = +25°C, VCOM = ±10V: ensures minimal gain error and voltage drop in precision measurement paths |
| NO-Off Leakage | <20pA at +25°C, VCOM = VNO = ±10V: preserves accuracy in high-impedance sensor and transducer interfaces |
| Charge Injection | 3.5pC typ, CL = 100pF: limits settling error and droop in sample-and-hold and ADC front-end applications |
| Transition Time | 500ns max: supports moderate-speed scanning (e.g., 2MHz channel update rate with guard band) |
| ESD Protection | >2000V per Method 3015.7: enhances robustness during board handling and system integration |
Pinout & Package
MAX336EPI is housed in a 28-pin plastic DIP package (0.600" wide), compatible with through-hole prototyping and industrial PCB assembly. Pin functions are electrically validated per Maxim's official pin description table and functional diagrams.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply voltage input | Accepts +4.5V to +30V (single) or up to +20V (dual); powers internal logic and switch array |
| V- | Negative supply voltage input | Accepts -4.5V to -20V (dual); connects to GND for single-supply operation |
| GND | Logic ground reference | Reference for TTL/CMOS inputs; must be tied to system ground plane |
| COM | Common analog output terminal | Bidirectional rail-to-rail node; connects to ADC input, amplifier summing junction, or test probe |
| NO1–NO16 | Analog input terminals | 16 fully interchangeable, bidirectional analog channels; each rated for ±15V signal swing |
| A0–A3 | 4-bit binary address inputs | Selects active channel (0–15); TTL/CMOS-compatible over full temperature and supply range |
| EN | Active-high enable input | Disables all switches when low; allows global channel gating without address changes |
| N.C. | No internal connection | Pins 2, 3, 13: unused; must remain unconnected or grounded per layout best practice |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail bidirectional signal handling | Supports analog signals from V− to V+, enabling full utilization of supply rails in both directions without clipping |
| Guaranteed low charge injection (3.5pC typ) | Minimizes voltage glitch on hold capacitors-critical for precision sampling in 16-bit+ data acquisition |
| Plug-in upgrade for DG506 | PIN-compatible replacement for industry-standard 16-channel mux; requires no PCB redesign |
| ≤10Ω on-resistance matching | Ensures consistent gain and offset across all 16 channels-essential for calibrated multi-sensor systems |
| TTL/CMOS-compatible control inputs | Operates reliably with microcontroller GPIO, FPGA I/O, or logic families without level shifters |
Applications
| Precision Data Acquisition | Precision Signal Routing |
|---|---|
Use Scenario: Multiplexing outputs from 16 thermocouple or strain-gauge sensors into a single high-resolution ADC. IC Role / Device Role / Timing Role: Analog switch matrix providing channel selection with sub-20pA leakage and rail-to-rail swing to preserve sensor signal fidelity. Use Value: Enables 16:1 analog front-end consolidation without degrading measurement accuracy or requiring external buffering. | Use Scenario: Routing calibration reference voltages (e.g., 2.5V, 4.096V, 5.0V) to multiple instrument channels under microcontroller control. IC Role / Device Role / Timing Role: Low-charge-injection, low-on-resistance switch ensuring stable reference delivery with minimal transient error. Use Value: Eliminates need for individual op-amp buffers per reference path, reducing BOM count and board area. |
| Automated Test Equipment (ATE) | Medical Instrumentation |
Use Scenario: Switching DUT signals (voltage, current, resistance) between stimulus sources and measurement units in benchtop testers. IC Role / Device Role / Timing Role: High-isolation (−82dB), low-crosstalk multiplexer enabling simultaneous multi-DUT testing with minimal inter-channel interference. Use Value: Supports parallel test architectures while maintaining measurement repeatability and traceable calibration. | Use Scenario: Selecting ECG electrode leads or biopotential amplifier inputs in multi-lead patient monitoring systems. IC Role / Device Role / Timing Role: Ultra-low-leakage (≤20pA) analog switch preventing DC offset drift and baseline wander in high-impedance bio-signal paths. Use Value: Meets IEC 60601-2-27 leakage current requirements and improves diagnostic signal-to-noise ratio. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DG506AKN | Higher on-resistance (600Ω max), higher charge injection (15pC), no guaranteed ESD rating | Limited to lower-precision, non-critical signal routing; not suitable for >14-bit systems | Use only if legacy compatibility or cost sensitivity outweighs precision requirements |
| ADG506AKRZ | Wider supply range (±15V to ±22V), 250Ω max RON, but 100pA max off-leakage at +25°C | Acceptable for general-purpose muxing but lacks MAX336EPI's ultra-low leakage for sensor front-ends | Prefer when higher speed or wider supply margin is needed, and leakage tolerance ≥100pA |
Compared with DG506AKN and ADG506AKRZ, MAX336EPI delivers superior leakage performance (<20pA) and lower charge injection (3.5pC), making it the optimal choice for precision data acquisition and medical-grade signal routing where DC accuracy and settling behavior are critical.
Availability
MAX336EPI is available at Aetrix Electronics and suitable for precision data acquisition, automated test equipment, medical instrumentation, and industrial sensor interface applications requiring stable component supply across extended temperature environments.
Supply support for MAX336EPI 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 and mixed-signal ICs for industrial, automotive, communications, and computing markets.
The MAX336EPI belongs to Maxim's precision analog multiplexer product line, engineered specifically for low-leakage, low-charge-injection signal routing in high-accuracy measurement and test systems.
FAQ
What is the operating temperature range of the MAX336EPI?
The MAX336EPI is rated for operation from -40°C to +85°C, qualifying it for use in extended-temperature industrial and automotive environments. This range is confirmed in the Ordering Information table and Absolute Maximum Ratings section of the official datasheet, and distinguishes it from the commercial-grade MAX336CPI+ (0°C to +70°C).
Does the MAX336EPI support single-supply operation?
Yes, the MAX336EPI supports single-supply operation from +4.5V to +30V. In this configuration, V− must be connected to GND. The device maintains full functionality-including TTL-compatible inputs and rail-to-rail analog signal handling-with no degradation in on-resistance or leakage specifications.
Is the MAX336EPI pin-compatible with the DG506?
Yes, the MAX336EPI is explicitly specified as a pin-compatible upgrade for the industry-standard DG506. Pin assignments, package outline, and functional behavior match identically-enabling drop-in replacement without PCB or firmware modifications.
What is the maximum analog signal voltage range supported by the MAX336EPI?
With ±15V dual supplies, the MAX336EPI supports an analog signal range of ±15V (i.e., from V− to V+). Under single +15V supply (V− = GND), the range is 0V to +15V. The absolute maximum analog voltage on any NO or COM pin is limited to (V− − 0.3V) to (V+ + 0.3V), per Absolute Maximum Ratings.
How does the enable (EN) pin function on the MAX336EPI?
The EN pin is an active-high digital input that globally enables or disables all 16 switch channels. When EN = low, all switches are open (high-impedance state), regardless of address inputs. When EN = high, channel selection proceeds normally via A0–A3. This allows synchronized channel blanking in time-critical acquisition sequences.
MAX336EPI 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:
- Through Hole
- Supplier Device Package:
- 28-PDIP
MAX336EPI FAQ
1.How can I place an order for MAX336EPI through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX336EPI 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 MAX336EPI reliable?
The price and inventory of MAX336EPI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX336EPI is usually 5 days.
3.What payment methods are accepted for MAX336EPI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX336EPI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX336EPI?
MAX336EPI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX336EPI 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 MAX336EPI?
For technical support, including MAX336EPI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX336EPI requirements.
6.How does Aetrix verify that MAX336EPI is sourced from the original manufacturer or authorized distributors?
All MAX336EPI 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 MAX336EPI meets industry standards.
7.What is the process for return or replacement of MAX336EPI?
All MAX336EPI units undergo pre-shipment inspection (PSI). If there is an issue with MAX336EPI, 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 MAX336EPI part is unused and in its original packaging.
Return procedure for MAX336EPI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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