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Analog Devices Inc./Maxim Integrated MAX399EPE
- Part No.:
- MAX399EPE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX399EPE.pdf
- Description:
- IC SWITCH SP4T X 2 100OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,660
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Product details
Overview
MAX399EPE from Maxim Integrated is a precision dual 4-channel CMOS analog multiplexer with rail-to-rail signal handling, <100Ω on-resistance (typ. 60Ω), <6Ω channel-to-channel RON matching, <5pC charge injection, and ±3V to ±8V or +3V to +15V supply operation. It serves as a low-leakage, fast-switching signal routing device in battery-operated test equipment and military radio front-ends.
For engineers reviewing the MAX399EPE datasheet, MAX399EPE pinout, MAX399EPE application, or MAX399EPE equivalent, this page delivers verified electrical specs, package-confirmed pin functions, real-world use cases in guidance systems and PBX audio routing, and two validated alternative parts with documented technical and application differences.
Technical Context
The MAX399EPE implements a dual independent 4:1 analog switch architecture with separate COMA/COMB outputs and shared address/control logic (A0, A1, EN). Its silicon-gate CMOS process ensures guaranteed flat on-resistance (<11Ω variation over ±4.5V signal range) and ESD protection >2000V.
It supports break-before-make switching (tOPEN = 150ns typ.), TTL/CMOS-compatible digital inputs, and operates across -40°C to +85°C without performance derating. Leakage is specified at <2.5nA (COM off) and <1nA (NO off) at +85°C under dual-supply conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 60Ω typical at ±5V supplies - enables minimal signal attenuation in precision data-acquisition paths |
| RON Matching | <6Ω max between channels - ensures matched gain/attenuation in differential or multi-channel sensor interfaces |
| Charge Injection | <5pC - reduces voltage glitch on sample-and-hold capacitors, critical for 12-bit+ ADC front-ends |
| Off-Leakage Current | <2.5nA at +85°C (COM), <1nA (NO) - preserves accuracy in high-impedance sensor or battery-monitoring circuits |
| Supply Range | ±3V to ±8V bipolar or +3V to +15V single - supports portable, industrial, and military power architectures |
| Transition Time | <250ns - allows multiplexing of signals up to ~1MHz without significant edge distortion |
| ESD Protection | >2000V HBM - eliminates need for external protection diodes in ruggedized PCB layouts |
Pinout & Package
MAX399EPE is supplied in a 16-pin plastic DIP (P16-1) package with through-hole mounting. Pin 1 is A0 (LSB address), pin 2 is EN (active-high enable), pin 3 is V−, pins 4–7 are NO1A–NO4A (first 4 analog inputs), pin 8 is COMA (first common output), pins 9–12 are NO1B–NO4B (second 4 analog inputs), pin 13 is COMB (second common output), pin 14 is GND, pin 15 is V+, and pin 16 is A1 (MSB address).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0, A1 | Binary address inputs | Selects one of four channels per COM output; logic-compatible with 0.8V/2.4V thresholds |
| EN | Active-high enable | Disables all switches when low; prevents unintended conduction during power-up or reset |
| COMA, COMB | Independent bidirectional analog outputs | Each connects to its own set of four NOx inputs; supports dual-signal-path routing |
| NO1A–NO4A, NO1B–NO4B | Bidirectional analog channel terminals | Handle rail-to-rail signals; low capacitance (11pF off) minimizes crosstalk in high-frequency routing |
| V+, V−, GND | Power supply connections | V− must be tied to GND for single-supply operation; exposed pad not present in DIP variant |
Key Features
| Feature | Design Value |
|---|---|
| PIN compatibility with DG409/DG509A | Direct drop-in replacement in legacy designs using industry-standard 16-pin DIP footprints |
| Guaranteed RON flatness | <11Ω variation across full ±4.5V analog range - maintains linearity in precision instrumentation |
| Rail-to-rail signal handling | Supports input/output voltages from V− to V+ - eliminates level-shifting in wide-dynamic-range systems |
| Low power consumption | <300µW typical - extends battery life in portable ATE and handheld radios |
| TTL/CMOS logic compatibility | Accepts standard 0.8V/2.4V logic thresholds - interfaces directly with microcontrollers and FPGAs |
Applications
| Automatic Test Equipment | Military Radios |
|---|---|
Use Scenario: Multiplexing multiple sensor inputs into a shared ADC channel during field calibration. IC Role / Device Role / Timing Role: Dual 4:1 analog switch routing conditioned RF and baseband signals to measurement circuitry. Use Value: <6Ω RON matching ensures consistent gain across channels; <5pC charge injection prevents hold-capacitor error accumulation. |
Use Scenario: Selecting between antenna diversity paths and IF filter banks in tactical HF/VHF transceivers. IC Role / Device Role / Timing Role: High-isolation analog switch enabling rapid band switching without signal bleed-through. Use Value: >75dB off-isolation and <2.5nA COM leakage at +85°C maintain receiver sensitivity in harsh thermal environments. |
| PBX Audio Routing | Heads-Up Displays |
Use Scenario: Dynamically assigning analog voice lines to speaker/mic amplifiers in enterprise telephony systems. IC Role / Device Role / Timing Role: Low-distortion signal path selector supporting wideband audio (300Hz–3.4kHz) with minimal crosstalk. Use Value: 11pF NO off-capacitance and -92dB crosstalk preserve speech clarity; rail-to-rail operation handles peak audio swings. |
Use Scenario: Switching between video sources (e.g., FLIR, GPS overlay, flight data) feeding a single display driver IC. IC Role / Device Role / Timing Role: Fast-transition analog multiplexer enabling sub-millisecond source switching without visible artifacts. Use Value: <250ns transition time and break-before-make timing prevent momentary short-circuits between video sources. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX399EEE | Same die, QSOP-16 package (8.65mm × 3.90mm); no leadframe thermal pad | Better suited for space-constrained PCBs; slightly higher thermal resistance than DIP | Select for surface-mount assembly where board area is limited and thermal load is moderate |
| ADG409BNZ | 44Ω typical RON, 10nA COM off-leakage at +85°C, no guaranteed RON matching spec | Lower on-resistance but higher leakage; not rated for military temp range (-40°C to +85°C) | Choose when lowest RON is prioritized over leakage and temperature robustness |
Compared with MAX399EPE, MAX399EEE offers identical electrical performance in a smaller footprint but reduced thermal mass, while ADG409BNZ trades guaranteed matching and low leakage for marginally lower on-resistance-making it suitable only for commercial-grade, non-ruggedized designs.
Availability
MAX399EPE is available at Aetrix Electronics and suitable for automatic test equipment, military radio subsystems, and PBX audio routing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX399EPE 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 and mixed-signal ICs for demanding industrial, automotive, and communications applications.
The MAX398/MAX399 family was engineered specifically for low-leakage, low-distortion analog signal routing in battery-powered and thermally challenging environments-emphasizing RON matching, charge injection control, and wide supply flexibility.
FAQ
What is the maximum analog signal range supported by MAX399EPE?
The MAX399EPE supports analog signals from V− to V+ across its full operating supply range. With ±5V supplies, the signal range is ±4.5V; with +5V single supply (V− = GND), it is 0V to 4.5V. This rail-to-rail capability is guaranteed per the datasheet's "Analog Signal Range" specification and enables direct interfacing with sensors and DACs without level-shifting circuitry.
Does MAX399EPE require external protection diodes for overvoltage conditions?
No, MAX399EPE does not require external protection diodes under normal operation. Its internal protection diodes clamp signals within (V− − 2V) to (V+ + 2V), and ESD rating exceeds 2000V HBM. External diodes are only recommended if absolute maximum ratings risk being exceeded due to improper power sequencing-per Maxim's Application Information section.
How does the enable pin (EN) function in MAX399EPE?
The EN pin on MAX399EPE is an active-high digital control that globally enables or disables both 4:1 switch sections. When EN = low, all channels are open (high-impedance); when EN = high, channel selection via A0/A1 determines which NOx terminal connects to its respective COM output. This allows synchronized routing control across dual signal paths in the MAX399EPE.
Is MAX399EPE pin-compatible with the DG409 analog multiplexer?
Yes, MAX399EPE is pin-compatible with the DG409 in the 16-pin DIP package. Pin assignments for address inputs (A0, A1), enable (EN), COMA/COMB, NO1A–NO4A/NO1B–NO4B, V+, V−, and GND match exactly. This allows direct substitution in existing DG409-based designs without PCB modification.
What is the typical on-resistance flatness specification for MAX399EPE?
The typical on-resistance flatness for MAX399EPE is 11Ω maximum over the full analog signal range (±4.5V with ±5V supplies). This parameter-defined as RON(MAX) − RON(MIN)-is guaranteed across temperature and ensures minimal gain variation when routing varying-amplitude signals through the MAX399EPE.
MAX399EPE 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):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 6Ohm (Max)
- Voltage - Supply, Single (V+):
- 3V ~ 15V
- Voltage - Supply, Dual (V±):
- ±3V ~ 8V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 11pF, 20pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
MAX399EPE FAQ
1.How can I place an order for MAX399EPE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX399EPE 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 MAX399EPE reliable?
The price and inventory of MAX399EPE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX399EPE is usually 5 days.
3.What payment methods are accepted for MAX399EPE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX399EPE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX399EPE?
MAX399EPE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX399EPE 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 MAX399EPE?
For technical support, including MAX399EPE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX399EPE requirements.
6.How does Aetrix verify that MAX399EPE is sourced from the original manufacturer or authorized distributors?
All MAX399EPE 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 MAX399EPE meets industry standards.
7.What is the process for return or replacement of MAX399EPE?
All MAX399EPE units undergo pre-shipment inspection (PSI). If there is an issue with MAX399EPE, 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 MAX399EPE part is unused and in its original packaging.
Return procedure for MAX399EPE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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