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Analog Devices Inc./Maxim Integrated MAX338ESE+
- Part No.:
- MAX338ESE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX338ESE+.pdf
- Description:
- IC MUX 8:1 400OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:294
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Product details
Overview
MAX338ESE+ from Maxim Integrated is an 8-channel single-ended CMOS analog multiplexer designed to route one of eight bidirectional analog inputs to a common COM terminal under 3-bit binary address control (A0–A2), with TTL/CMOS-compatible enable (EN) and address inputs. It operates from ±4.5V to ±20V dual supplies or +4.5V to +30V single supply, delivers ≤400Ω on-resistance at +25°C, <20pA NO-off leakage, and 1.5pC typical charge injection - enabling precision data-acquisition and test-equipment signal routing.
For engineers reviewing the MAX338ESE+ datasheet, MAX338ESE+ pinout, MAX338ESE+ application, or MAX338ESE+ equivalent, key selection criteria include guaranteed low leakage across -40°C to +85°C, rail-to-rail analog signal handling up to ±15V, break-before-make switching, and pin-compatibility with industry-standard DG508A for drop-in upgrades in military radios, guidance systems, and sample-and-hold circuits.
Technical Context
The MAX338ESE+ implements a monolithic silicon-gate CMOS switch architecture with integrated decode logic, supporting both multiplexing and demultiplexing modes. Its control interface accepts TTL/CMOS logic levels (0.8V–2.4V) across full temperature range and supply voltages, and all analog terminals (NO1–NO8, COM) tolerate signals from V− to V+, enabling true rail-to-rail operation.
Switching performance is defined by <500ns transition time, 10–140ns break-before-make interval, and enable turn-on/off times ≤750ns. Charge injection (1.5pC typ) and off-isolation (−75dB at 100kHz) are guaranteed over temperature, ensuring minimal settling error and crosstalk in high-precision sampling paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V (dual supply); supports rail-to-rail input/output without clipping |
| On-Resistance (RON) | ≤400Ω max at +25°C (VCOM = ±10V); ensures minimal gain error in sensor/ADC front-ends |
| On-Resistance Match (ΔRON) | ≤10Ω max at +25°C; critical for matched-channel applications like differential muxing |
| NO-Off Leakage Current | <20pA at +25°C; preserves accuracy in high-impedance measurement nodes |
| Charge Injection | 1.5pC typical; limits voltage glitch on sampled hold capacitors |
| Transition Time | <500ns; enables fast channel switching in automated test equipment |
| ESD Protection | >2000V per Method 3015.7; enhances robustness in handling and board assembly |
Pinout & Package
MAX338ESE+ is housed in a 16-pin narrow SO (Small Outline) package, RoHS-compliant and lead-free (+ suffix), with standard JEDEC MS-012AC outline. Pin 1 is V−, pin 8 is COM, pins 2–7 and 9–12 are NO1–NO8, pins 13–15 are A0–A2, pin 16 is EN, pin 11 is V+, and pin 12 is GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | V− | Negative supply rail input; must be connected for dual-supply operation or tied to GND for single-supply use |
| 2–7, 9–12 | NO1–NO8 | Bidirectional analog inputs; support signal flow into or out of the device with equal on-resistance |
| 8 | COM | Common bidirectional analog terminal; serves as output in mux mode or input in demux mode |
| 11 | V+ | Positive supply rail input; supports up to +30V in single-supply configuration |
| 12 | GND | Digital ground reference; decoupling required near pin for noise immunity |
| 13–15 | A0, A1, A2 | 3-bit binary address inputs; select one of eight channels when EN = high |
| 16 | EN | Active-high enable; disables all switches (high-impedance state) when low |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ without distortion, enabling direct interfacing with op-amps and ADCs operating at supply rails |
| Guaranteed low charge injection (1.5pC typ) | Minimizes voltage step on hold capacitors in sample-and-hold circuits, reducing acquisition settling time |
| TTL/CMOS logic compatibility | Accepts 0.8V–2.4V input thresholds across full −40°C to +85°C range and ±4.5V to ±18V supplies, simplifying microcontroller interfacing |
| Plug-in upgrade for DG508A | PIN-compatible replacement with improved leakage, charge injection, and ESD tolerance - no PCB redesign required |
| Low off-leakage (<20pA NO-off) | Maintains signal integrity in high-impedance sensor networks and medical instrumentation front-ends |
Applications
| Data-Acquisition Systems | Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs (thermocouples, strain gauges) into a shared ADC channel. IC Role / Device Role / Timing Role: Analog multiplexer providing low-leakage, low-charge-injection signal routing with precise channel selection timing. Use Value: Enables high-resolution measurements by minimizing offset drift and settling errors caused by switch non-idealities. |
Use Scenario: Automated signal routing in benchtop multimeters and functional testers for stimulus/response verification. IC Role / Device Role / Timing Role: High-speed, repeatable analog path selector with sub-500ns transition time and break-before-make guarantee. Use Value: Ensures accurate, glitch-free channel switching during high-throughput test sequences without cross-talk contamination. |
| Military Radios | Guidance and Control Systems |
Use Scenario: Selecting between RF front-end calibration paths and antenna receive chains in ruggedized SDR platforms. IC Role / Device Role / Timing Role: Radiation-tolerant analog switch supporting wide supply range (±4.5V to ±20V) and extended temperature operation. Use Value: Maintains reliable signal integrity under extreme environmental stress while meeting MIL-STD-883 Class B requirements. |
Use Scenario: Routing inertial sensor data (gyro, accelerometer) to navigation processors in flight control units. IC Role / Device Role / Timing Role: Precision analog multiplexer with <20pA off-leakage and rail-to-rail capability for low-noise analog conditioning. Use Value: Preserves microvolt-level signal fidelity critical for closed-loop stability and attitude estimation accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DG508A | Higher NO-off leakage (50pA vs. <20pA), higher charge injection (5pC vs. 1.5pC), no ESD rating specified | Legacy industrial designs where leakage and ESD are not critical; lacks guaranteed −40°C to +85°C performance | MAX338ESE+ is a direct pin-compatible upgrade offering measurable improvements in precision and robustness |
| MAX328 | Lower leakage (<5pA) and charge injection (0.5pC), but higher on-resistance (1kΩ max) and limited to +5V to +15V single supply | Ultra-low-leakage applications (e.g., electrophysiology) where speed and voltage range are secondary | Select MAX338ESE+ when wider supply range, faster switching, and lower RON are required; choose MAX328 only for ultra-low-leakage priority |
Compared with DG508A and MAX328, the MAX338ESE+ uniquely balances low leakage, low charge injection, wide supply flexibility (±4.5V to ±20V or +4.5V to +30V), and guaranteed −40°C to +85°C operation - making it optimal for aerospace, defense, and industrial test systems demanding reliability and precision.
Availability
MAX338ESE+ is available at Aetrix Electronics and suitable for data-acquisition systems, test equipment, and military radio designs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX338ESE+ 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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, communications, and computing markets.
The MAX338/MAX339 family was engineered for precision analog signal routing in harsh environments - delivering low-leakage, low-charge-injection, and wide-supply-voltage operation for military, aerospace, and high-reliability test instrumentation.
FAQ
What supply voltage ranges does the MAX338ESE+ support?
The MAX338ESE+ operates from a single +4.5V to +30V supply (with V− tied to GND) or dual supplies of ±4.5V to ±20V. Absolute maximum ratings allow V+ to V− differential up to 44V. This flexibility enables use in both battery-powered portable instruments and high-voltage industrial control systems without level-shifting circuitry.
Is the MAX338ESE+ pin-compatible with the DG508A?
Yes, the MAX338ESE+ is explicitly designed as a pin-compatible upgrade for the DG508A. All 16 pins match functionally and physically in the narrow SO package, allowing direct replacement without PCB modification. Key improvements include lower leakage, reduced charge injection, and >2000V ESD protection per Method 3015.7.
What is the maximum allowable analog signal voltage range for the MAX338ESE+?
When powered with ±15V supplies, the MAX338ESE+ supports analog signals from −15V to +15V on all NO and COM terminals - full rail-to-rail operation. With +12V single supply (V− = GND), the range is 0V to +12V. Signals beyond V+ or V− are clamped by internal diodes; forward current must be limited to avoid damage.
How does the MAX338ESE+ handle channel switching timing?
The MAX338ESE+ guarantees a break-before-make interval of 10–140ns, preventing momentary shorting between channels. Transition time is <500ns, and enable turn-on/off times are ≤750ns over temperature. These parameters ensure clean, glitch-free switching in time-critical applications such as automated test sequencing and real-time sensor polling.
What is the significance of the 'E' and '+' in MAX338ESE+?
The 'E' denotes the −40°C to +85°C extended temperature grade; 'SE' specifies the 16-pin narrow SO package; and '+' indicates RoHS-compliant, lead-free construction. This full designation confirms the device meets industrial and defense-grade environmental and regulatory requirements - distinct from commercial-grade 'C' versions or Pb-containing variants.
MAX338ESE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 400Ohm
- Channel-to-Channel Matching (ΔRon):
- 4Ohm
- Voltage - Supply, Single (V+):
- 4.5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 500ns, 500ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1.5pC
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 11pF
- Current - Leakage (IS(off)) (Max):
- 20pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX338ESE+ FAQ
1.How can I place an order for MAX338ESE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX338ESE+ 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 MAX338ESE+ reliable?
The price and inventory of MAX338ESE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX338ESE+ is usually 5 days.
3.What payment methods are accepted for MAX338ESE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX338ESE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX338ESE+?
MAX338ESE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX338ESE+ 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 MAX338ESE+?
For technical support, including MAX338ESE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX338ESE+ requirements.
6.How does Aetrix verify that MAX338ESE+ is sourced from the original manufacturer or authorized distributors?
All MAX338ESE+ 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 MAX338ESE+ meets industry standards.
7.What is the process for return or replacement of MAX338ESE+?
All MAX338ESE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX338ESE+, 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 MAX338ESE+ part is unused and in its original packaging.
Return procedure for MAX338ESE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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