Analog Devices Inc./Maxim Integrated MAX339CSE
- Part No.:
- MAX339CSE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX339CSE.pdf
- Description:
- IC SWITCH SP4T X 2 400OHM 16SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:4,926
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Product details
Overview
MAX339CSE from Maxim Integrated is a dual 4-channel CMOS analog multiplexer designed to route one of four analog inputs per section to a common bidirectional output using 2-bit binary address control. It features 400Ω max on-resistance, <20pA off-leakage at +25°C, and 1.5pC typical charge injection-enabling precision signal routing in data-acquisition systems and sample-and-hold circuits.
For engineers reviewing the MAX339CSE datasheet, MAX339CSE pinout, MAX339CSE application, or MAX339CSE equivalent, this page delivers verified specifications, validated pin functions, confirmed dual-/single-supply operation (+4.5V to +30V or ±4.5V to ±20V), TTL-compatible control inputs, and real-world design context for low-leakage analog switching.
Technical Context
The MAX339CSE implements a CMOS transmission-gate architecture with rail-to-rail analog signal handling across its dual independent 4:1 switch arrays. Each section operates with matched on-resistance (<10Ω channel-to-channel variation) and guarantees break-before-make timing (140ns min) to prevent signal shorting during channel transitions.
Its silicon-gate 44V process enables robust ESD protection (>2000V per Method 3015.7) and stable performance over temperature (0°C to +70°C), while TTL/CMOS-compatible address and enable inputs simplify interface with microcontrollers and logic controllers without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance | 400Ω max - ensures minimal voltage drop and gain error in precision sensor or DAC/ADC signal paths |
| Off-Leakage Current | <20pA at +25°C - preserves accuracy in high-impedance sample-and-hold or pH sensor front-ends |
| Charge Injection | 1.5pC typ - limits voltage glitch on hold capacitors, critical for sub-12-bit acquisition fidelity |
| Supply Range | +4.5V to +30V single or ±4.5V to ±20V dual - supports industrial sensors, battery-powered test gear, and legacy ±15V systems |
| Transition Time | <500ns - enables multiplexing at >1MHz sampling rates in multi-channel DAQ systems |
| Logic Compatibility | TTL/CMOS inputs (0.8V–2.4V thresholds) - interoperable with 3.3V/5V microcontrollers without external buffers |
| ESD Protection | >2000V per Method 3015.7 - reduces field failure risk in benchtop test equipment and military radio interfaces |
Pinout & Package
MAX339CSE is housed in a 16-pin narrow SO (Small Outline) package, 150 mil width, with gull-wing leads and standard JEDEC MS-012AC footprint. Pin 1 marked by beveled corner; exposed pad not present (unlike QFN variants).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | A0, A1 | 2-bit binary address inputs selecting active channel (00–11) in each 4-channel section |
| 2 | V− | Negative supply rail - must be connected for dual-supply operation; tied to GND for single-supply use |
| 3, 4, 5, 6 | NO1A–NO4A | Analog inputs for Section A - bidirectional, rail-to-rail capable, ≤400Ω on-resistance |
| 7, 8 | COMA, COMB | Common analog outputs - Section A and B outputs are independent and isolated |
| 9, 10, 11, 12 | NO1B–NO4B | Analog inputs for Section B - electrically identical to NO1A–NO4A, no crosstalk coupling |
| 13 | V+ | Positive supply rail - supports up to +30V; internal substrate tied to V+ per datasheet |
| 14 | GND | Ground reference - required for single-supply biasing and digital input reference |
| 15 | EN | Enable input - high = active; low = all switches open (high-Z state), reducing system power leakage |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ - eliminates level-shifting in ±12V op-amp stages or 0–24V industrial sensors |
| Plug-in upgrade for DG509A | PIN-compatible replacement - allows drop-in redesign of legacy systems without PCB modification |
| Low on-resistance match | <10Ω max mismatch between channels - maintains gain consistency across multiplexed transducer channels |
| Guaranteed break-before-make | 140ns minimum interval - prevents momentary shorting between input sources during address changes |
| Single- and bipolar-supply support | No external components needed to reconfigure supply topology - simplifies BOM and layout for multi-platform designs |
Applications
| Test Equipment Signal Routing | Data-Acquisition Front-End |
|---|---|
Use Scenario: Automated test systems switching between multiple DUTs or calibration references. IC Role / Device Role / Timing Role: Dual 4:1 analog mux routing calibrated voltage standards and sensor outputs to shared ADC/DAC. Use Value: 20pA off-leakage prevents reference drift; 400Ω RON minimizes loading on precision voltage sources. |
Use Scenario: Multi-sensor monitoring in environmental or industrial control cabinets. IC Role / Device Role / Timing Role: Channel selector aggregating thermocouple, RTD, and current-loop inputs to single SAR ADC. Use Value: 1.5pC charge injection avoids hold-capacitor corruption; TTL-compatible EN allows microcontroller sleep-mode gating. |
| Military Radio Audio Path | Heads-Up Display (HUD) Interface |
Use Scenario: Secure voice/data switching between comms modules and encryption units in tactical radios. IC Role / Device Role / Timing Role: Bidirectional analog switch isolating audio bandpass filters and codec interfaces. Use Value: >2000V ESD rating withstands harsh RF environments; rail-to-rail swing handles ±10V audio signals. |
Use Scenario: Multiplexing video sync, brightness control, and sensor feedback signals in automotive HUDs. IC Role / Device Role / Timing Role: Low-leakage switch routing analog video timing pulses and ambient light sensor outputs. Use Value: Sub-500ns transition time meets NTSC/PAL timing budgets; 0°C to +70°C temp grade matches display module specs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DG509A | Higher on-resistance (600Ω typ), higher charge injection (5pC), no guaranteed break-before-make | Legacy designs where leakage & speed requirements are relaxed; lacks ESD rating | Select DG509A only if cost is primary constraint and leakage & ESD immunity are non-critical |
| MAX329CSE | Lower leakage (<5pA), lower charge injection (0.5pC), but higher on-resistance (800Ω max) | Ultra-high-precision sample-and-hold or electrometer-grade measurement where RON tolerance is secondary | Choose MAX329CSE when sub-picoampere leakage dominates system error budget over signal loss |
Compared with DG509A, MAX339CSE delivers superior leakage, ESD robustness, and timing control; versus MAX329CSE, it trades some leakage performance for lower on-resistance and broader supply flexibility-making it optimal for general-purpose industrial DAQ and test instrumentation.
Availability
MAX339CSE is available at Aetrix Electronics and suitable for test equipment signal routing, data-acquisition front-end design, and military radio audio path applications requiring stable component supply and long-term obsolescence management.
Supply support for MAX339CSE 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, communications, and computing markets.
The MAX338/MAX339 product line targets low-leakage, rail-to-rail analog switching in data-acquisition, instrumentation, and military-aerospace systems where signal integrity and supply flexibility are critical.
FAQ
What supply voltages does the MAX339CSE support?
The MAX339CSE operates from a single +4.5V to +30V supply (with V− tied to GND) or dual supplies of ±4.5V to ±20V. Its 44V silicon-gate process ensures reliable function across this full range, and the device maintains specified leakage and on-resistance performance at both extremes. The MAX339CSE does not require external level shifters for TTL/CMOS control inputs across these supply conditions.
Is the MAX339CSE pin-compatible with the DG509A?
Yes-the MAX339CSE is explicitly documented as a pin-compatible upgrade for the DG509A. All 16 pins map identically: address inputs (A0/A1), enable (EN), analog I/O (NO1A–NO4A, NO1B–NO4B, COMA/COMB), supplies (V+/V−), and GND occupy identical positions in the narrow SO package. No PCB layout change is required for replacement.
What is the maximum allowable analog signal range for the MAX339CSE?
The MAX339CSE supports rail-to-rail analog signals from V− to V+. With ±15V supplies, the full range is ±15V; with +12V/V− = GND, the range is 0V to +12V. Absolute maximum ratings limit V+ to 44V above V−, and analog inputs must stay within (V− − 2V) to (V+ + 2V) to avoid clamping diode conduction-verified in the MAX339CSE datasheet's Absolute Maximum Ratings table.
How does the enable (EN) pin function on the MAX339CSE?
The EN pin on the MAX339CSE is active-high: when high (≥2.4V), the selected channel conducts; when low (≤0.8V), all switches in both sections enter high-impedance off-state. This allows system-level power gating-e.g., disabling unused signal paths during microcontroller sleep modes. The MAX339CSE's EN input draws only ±1µA, minimizing standby current impact.
Does the MAX339CSE support break-before-make switching?
Yes-the MAX339CSE guarantees a minimum 140ns break-before-make interval during address transitions, preventing momentary shorts between input channels. This is measured and specified in the Electrical Characteristics table under "Break-Before-Make Interval" and confirmed in Figure 4 of the MAX339CSE datasheet, making it safe for use in multi-source analog routing where cross-conduction must be avoided.
MAX339CSE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SP4T
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 2
- 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, 6pF
- Current - Leakage (IS(off)) (Max):
- 20pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX339CSE FAQ
1.How can I place an order for MAX339CSE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX339CSE 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 MAX339CSE reliable?
The price and inventory of MAX339CSE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX339CSE is usually 5 days.
3.What payment methods are accepted for MAX339CSE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX339CSE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX339CSE?
MAX339CSE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX339CSE 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 MAX339CSE?
For technical support, including MAX339CSE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX339CSE requirements.
6.How does Aetrix verify that MAX339CSE is sourced from the original manufacturer or authorized distributors?
All MAX339CSE 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 MAX339CSE meets industry standards.
7.What is the process for return or replacement of MAX339CSE?
All MAX339CSE units undergo pre-shipment inspection (PSI). If there is an issue with MAX339CSE, 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 MAX339CSE part is unused and in its original packaging.
Return procedure for MAX339CSE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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