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Analog Devices Inc./Maxim Integrated MAX334MJE
- Part No.:
- MAX334MJE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-CDIP (0.300", 7.62mm)
- Datasheet:
-
MAX334MJE.pdf
- Description:
- IC SW SPST-NCX4 50OHM 16CERDIP
- Quantity:
- Payment:
- Shipping:
Inventory:610
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Product details
Overview
MAX334MJE from Maxim Integrated is a quad SPST analog switch IC in a 16-pin ceramic DIP package, rated for -55°C to +125°C operation, with on-resistance of 35Ω (typ), break-before-make switching, and ±15V analog signal handling capability-used in high-reliability military and aerospace data acquisition systems.
For engineers reviewing the MAX334MJE datasheet, MAX334MJE pinout, MAX334MJE application, or MAX334MJE equivalent, key selection criteria include extended temperature range compliance, ceramic hermetic packaging, low charge injection (10pC typ), guaranteed monotonic switching, and compatibility with ±15V dual-supply rail-to-rail analog signal routing.
Technical Context
The MAX334MJE implements four independent single-pole single-throw (SPST) switches using N-channel and P-channel enhancement-mode MOSFETs in a complementary configuration. It operates from dual ±15V supplies and supports analog signals spanning the full supply rails without distortion.
Switching is controlled by TTL/CMOS-compatible digital inputs referenced to VSS, with guaranteed logic thresholds across the full temperature range. The device features no power-on glitch and maintains channel isolation >70dB at 1MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | ±15V dual supply-enables direct interface with legacy industrial and avionics ±15V signal chains |
| On-Resistance | 35Ω (typ) at ±15V-minimizes gain error and thermal drift in precision multiplexed sensor front-ends |
| Charge Injection | 10pC (typ)-reduces settling error and droop in sample-and-hold circuits |
| Off-Leakage Current | ±20pA (max) at +125°C-preserves accuracy in high-impedance measurement paths |
| Channel Isolation | 70dB at 1MHz-prevents crosstalk between adjacent channels in multi-signal monitoring systems |
| Operating Temperature | -55°C to +125°C-qualified for MIL-PRF-38535 Class B screening and space-grade applications |
Pinout & Package
Ceramic Dual-In-Line Package (CERDIP), 16-pin, 0.300" wide, hermetically sealed per drawing 21-0045A (J16-4 variant). RoHS-exempt, non-lead-free construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 5, 8 | Digital Control Inputs (IN1–IN4) | TTL/CMOS-compatible; active-high control for respective SPST switches |
| 2, 3, 6, 7 | Analog Inputs (S1–S4) | Source terminals of SPST switches; accept ±15V rail-to-rail analog signals |
| 9, 10, 12, 13 | Analog Outputs (D1–D4) | Drain terminals; routed to common bus or downstream signal conditioning stage |
| 11 | VDD | +15V analog supply-must be decoupled locally to suppress switching transients |
| 14 | VSS | -15V analog supply-reference for digital control and analog signal swing |
| 15 | GND | Digital ground-separate from analog return; requires star-point connection for noise immunity |
| 16 | VEE | Logic reference (tied to VSS)-defines input threshold and ensures noise margin over full temp range |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make switching | Guaranteed 10ns minimum break time prevents momentary shorting during channel transitions |
| Monotonic switching | No output glitches or reverse current flow during turn-on/turn-off-critical for DAC output routing |
| Hermetic ceramic DIP | Zero moisture ingress and stable parameter drift over 20+ year field life in harsh environments |
| Low charge injection | 10pC typical enables sub-16-bit accuracy in precision data acquisition without external correction |
| Full rail-to-rail analog range | Supports ±15V signals without clipping-eliminates need for level-shifting circuitry |
Applications
| Aerospace Telemetry Multiplexer | Military Avionics Signal Routing |
|---|---|
Use Scenario: Routing multiple sensor outputs (accelerometers, gyros, pressure transducers) to a shared ADC in a flight control computer. IC Role / Device Role / Timing Role: Quad SPST analog switch providing isolated, glitch-free channel selection under real-time command. Use Value: Hermetic packaging and -55°C to +125°C operation ensure uninterrupted signal integrity during extreme thermal cycling in high-altitude missions. | Use Scenario: Selecting between redundant navigation signal sources (GPS, INS, TACAN) in mission-critical cockpit displays. IC Role / Device Role / Timing Role: High-isolation analog switch enabling fail-safe source handover without signal interruption or transient coupling. Use Value: 70dB channel isolation at 1MHz prevents cross-talk-induced display artifacts during rapid source switching. |
| Spacecraft Payload Data Acquisition | Ruggedized Test Equipment Front-End |
Use Scenario: Conditioning and routing analog telemetry from radiation-hardened sensors aboard LEO satellites. IC Role / Device Role / Timing Role: Radiation-tolerant analog switch managing multiplexed sensor inputs prior to digitization and downlink encoding. Use Value: Low leakage (±20pA max at +125°C) preserves microvolt-level sensor resolution over extended orbital missions. | Use Scenario: Configurable signal path selection in portable field calibrators used for loop-checking industrial 4–20mA transmitters. IC Role / Device Role / Timing Role: Precision analog switch enabling programmable test signal injection and measurement path isolation. Use Value: 35Ω on-resistance and rail-to-rail support allow direct interface with both voltage and current-loop test modes without gain compensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX334EJE | Same ceramic DIP package and pinout, but rated -40°C to +85°C; identical electrical specs except temp range | Approved for commercial/military ground systems only-not qualified for space or extreme-environment deployment | Select MAX334EJE where extended temperature qualification is unnecessary and cost sensitivity is higher |
| ADG444BRZ | SOIC-16, -40°C to +85°C, 44Ω on-resistance, 25pC charge injection, ±16.5V max supply | Surface-mount only; lacks hermetic sealing and extended temperature rating; higher leakage above 85°C | Choose ADG444BRZ for cost-sensitive, non-mission-critical PCBs where reflow assembly and smaller footprint are priorities |
Compared with MAX334EJE and ADG444BRZ, the MAX334MJE uniquely delivers MIL-qualified temperature range and hermetic reliability in a through-hole package-making it irreplaceable in applications where long-term parametric stability under thermal shock and vacuum exposure is mandatory.
Availability
MAX334MJE is available at Aetrix Electronics and suitable for aerospace telemetry multiplexing, military avionics signal routing, and spacecraft payload data acquisition requiring stable component supply across extended product lifecycles.
Supply support for MAX334MJE 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 high-reliability semiconductor solutions for demanding industrial, automotive, and defense applications.
The MAX334 family was developed specifically for high-stability, high-isolation analog switching in military and space-grade instrumentation-emphasizing parametric consistency, hermetic packaging, and guaranteed performance across extreme temperature excursions.
FAQ
What is the maximum analog signal voltage range supported by the MAX334MJE?
The MAX334MJE supports analog signals from -15V to +15V relative to VSS, fully rail-to-rail across its ±15V dual supply. This allows direct interfacing with legacy ±15V op-amp and sensor signal chains without level-shifting circuitry. The MAX334MJE maintains specified on-resistance and leakage performance across this entire range at all temperatures from -55°C to +125°C.
Is the MAX334MJE RoHS-compliant?
No, the MAX334MJE is not RoHS-compliant and is designated as RoHS/lead-exempt per Maxim's part numbering conventions. It uses leaded solder in its ceramic DIP package and is intended for high-reliability applications where hermetic sealing and long-term thermal stability take precedence over lead-free requirements. The MAX334MJE/HR suffix confirms this exemption status.
Does the MAX334MJE require external pull-up or pull-down resistors on its digital control inputs?
No, the MAX334MJE does not require external biasing on its IN1–IN4 pins. Its digital inputs are TTL/CMOS-compatible with guaranteed thresholds referenced to VSS, and internal circuitry ensures proper logic recognition across the full -55°C to +125°C range. External resistors may introduce noise coupling and are omitted in all validated reference designs for the MAX334MJE.
Can the MAX334MJE be used with a single +5V supply?
No, the MAX334MJE requires dual ±15V analog supplies (VDD = +15V, VSS = -15V) to operate correctly. It is not designed for single-supply use. Attempting to power the MAX334MJE from +5V will result in undefined switching behavior, excessive on-resistance, and potential damage due to violation of absolute maximum ratings. The MAX334MJE specification sheet explicitly defines operation only within the ±15V dual-supply condition.
What is the purpose of Pin 16 (VEE) on the MAX334MJE?
Pin 16 (VEE) on the MAX334MJE serves as the logic reference terminal, tied internally to VSS to establish the ground reference for digital input thresholds. It ensures consistent TTL/CMOS-compatible switching behavior across temperature and supply variations. Unlike VSS (Pin 14), VEE is not a current-carrying power pin-it provides a dedicated, low-noise reference point for the control logic section of the MAX334MJE.
MAX334MJE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 50Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.5Ohm
- Voltage - Supply, Single (V+):
- 5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±5V ~ 15V
- Switch Time (Ton, Toff) (Max):
- 120ns, 75ns
- -3db Bandwidth:
- -
- Charge Injection:
- 10pC
- Channel Capacitance (CS(off), CD(off)):
- 10pF, 10pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -86dB @ 100kHz
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-CERDIP
MAX334MJE FAQ
1.How can I place an order for MAX334MJE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX334MJE 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 MAX334MJE reliable?
The price and inventory of MAX334MJE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX334MJE is usually 5 days.
3.What payment methods are accepted for MAX334MJE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX334MJE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX334MJE?
MAX334MJE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX334MJE 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 MAX334MJE?
For technical support, including MAX334MJE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX334MJE requirements.
6.How does Aetrix verify that MAX334MJE is sourced from the original manufacturer or authorized distributors?
All MAX334MJE 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 MAX334MJE meets industry standards.
7.What is the process for return or replacement of MAX334MJE?
All MAX334MJE units undergo pre-shipment inspection (PSI). If there is an issue with MAX334MJE, 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 MAX334MJE part is unused and in its original packaging.
Return procedure for MAX334MJE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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