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Analog Devices Inc./Maxim Integrated MAX4623ESE+T
- Part No.:
- MAX4623ESE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4623ESE+T.pdf
- Description:
- IC SWITCH DPST-NOX2 5OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,957
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Product details
Overview
The MAX4623ESE+T from Maxim Integrated is a dual, normally open (NO), single-pole/single-throw (SPST) analog switch IC designed for precision signal routing in low-distortion applications. It delivers 5Ω maximum on-resistance with ≤0.5Ω matching between channels, <5nA off-leakage at +85°C, and switching times of <250ns (turn-on) / <200ns (turn-off), operating from +4.5V to +36V single supply or ±4.5V to ±18V bipolar supplies.
For engineers reviewing the MAX4623ESE+T datasheet, MAX4623ESE+T pinout, MAX4623ESE+T application, or MAX4623ESE+T equivalent, key selection criteria include guaranteed break-before-make timing (not applicable-MAX4623 is SPST NO), rail-to-rail analog signal handling, CMOS/TTL logic compatibility, and pin compatibility with DG405 for reed relay replacement in test equipment and communication systems.
Technical Context
The MAX4623ESE+T implements two independent SPST switches with complementary control inputs (IN1/IN2), each driving a dedicated NO terminal (NO1/NO2) and shared COM terminals (COM1/COM2). Its monolithic CMOS construction enables flat on-resistance (∆RON ≤ 0.5Ω) across the full analog signal range (V− to V+), supporting bidirectional signal flow without polarity constraints.
It features internal ESD protection diodes on all analog pins, operates with logic supply VL referenced to GND (independent of analog rails), and maintains guaranteed leakage performance (<5nA at +85°C) under both single- and dual-supply configurations-critical for high-impedance data-acquisition front-ends and avionics signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | 5Ω max - ensures minimal signal attenuation and voltage drop in precision analog paths |
| RON match between channels | ≤0.5Ω - enables matched gain/phase response in differential or dual-channel routing |
| Off-leakage current | <5nA at +85°C - preserves accuracy in high-impedance sensor interfaces and sample-hold circuits |
| Turn-on/turn-off time | <250ns / <200ns - supports high-speed multiplexing in automated test equipment (ATE) and digital I/O expansion |
| Supply range | +4.5V to +36V (single) or ±4.5V to ±18V (dual) - accommodates industrial, military, and telecom power architectures |
| Rail-to-rail analog range | V− to V+ - allows full-swing AC/DC signal switching without clipping or level-shifting |
| Logic compatibility | TTL/CMOS - simplifies interface with microcontrollers, FPGAs, and legacy logic families |
Pinout & Package
The MAX4623ESE+T is housed in a 16-pin narrow SOIC (SO/DIP) package with 1.27mm pitch, JEDEC MS-012AC compliant, and rated for −40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8 | Digital logic input (IN1, IN2) | Active-high control signals; drive respective SPST switches ON when high |
| 2, 7 | Switch common terminal (COM1, COM2) | Analog signal path input/output; bidirectional, rail-to-rail capable |
| 4, 5, 9, 16 | Switch normally open terminal (NO1, NO2, NO3, NO4) | Open-circuit when control is low; connects to COMx only when corresponding INx is high |
| 12 | Positive supply (V+) | Main analog positive rail; supports up to +36V in single-supply mode |
| 6, 11 | Negative supply (V−) | Analog negative rail; required for dual-supply operation down to −18V |
| 14 | GND | Logic ground reference; separate from analog supplies but tied internally to VL return |
| 13 | Logic supply (VL) | Provides clean +5V reference for input buffers; decoupling critical for noise immunity |
| 3, 10, 15 | No connect (N.C.) | Not bonded; must remain unconnected per datasheet to avoid parasitic coupling |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed RON match ≤0.5Ω | Enables precise channel-to-channel tracking in instrumentation-grade multiplexers and calibration circuits |
| Rail-to-rail® analog signal handling | Supports full-scale ±15V, +24V, or 0–30V signals without external biasing or clamping networks |
| Low charge injection (45pC typ) | Minimizes voltage glitch in sample-and-hold and switched-capacitor filter applications |
| Pin-compatible with DG405 | Allows drop-in upgrade from legacy reed-relay replacements without PCB redesign |
| −40°C to +85°C extended temperature grade | Validated for deployment in military radios, avionics, and industrial control environments |
Applications
| Reed Relay Replacement | Test Equipment |
|---|---|
Use Scenario: Replacing electromechanical relays in automated test fixtures where cycle life, speed, and size are critical. IC Role / Device Role / Timing Role: Dual SPST analog switch providing solid-state isolation and signal path selection. Use Value: Eliminates mechanical wear-out, reduces actuation time from milliseconds to nanoseconds, and cuts board space by >70% vs. equivalent DPDT relays. | Use Scenario: Signal routing in benchtop ATE systems requiring fast, repeatable channel switching during parametric testing. IC Role / Device Role / Timing Role: Precision analog switch enabling low-distortion, high-fidelity stimulus/response path configuration. Use Value: Maintains signal integrity (−62dB off-isolation, −60dB crosstalk) while supporting >1MHz bandwidth and sub-250ns settling. |
| Avionics Signal Conditioning | Communication Systems (PBX/PABX) |
Use Scenario: Multiplexing sensor outputs (e.g., temperature, pressure) in flight control units under extended temperature and vibration stress. IC Role / Device Role / Timing Role: High-reliability analog switch ensuring uninterrupted signal continuity across wide supply and temperature ranges. Use Value: Guaranteed <5nA leakage at +85°C prevents drift in high-Z transducer interfaces; extended temp grade meets DO-160 environmental requirements. | Use Scenario: Audio path switching in private branch exchange (PBX) and enterprise telephony systems with mixed analog/digital signaling. IC Role / Device Role / Timing Role: Low-noise, low-RON switch managing line-level audio routing between codecs, amplifiers, and hybrid circuits. Use Value: 5Ω RON and flatness minimize THD+N degradation; rail-to-rail capability handles ±12V analog telephony signals directly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4623ESE | Same die, identical electrical specs; +T suffix denotes tape-and-reel packaging | No functional difference; +T version optimized for automated SMT assembly | Select MAX4623ESE+T for volume production with pick-and-place lines |
| ADG465BRUZ | Single SPST, 4.5Ω max RON, −40°C to +85°C, but only one switch per package | Requires two devices for dual-channel function; higher board area and BOM count | Choose ADG465BRUZ only if single-channel density or ADI ecosystem integration is prioritized |
Compared with MAX4623ESE+T, the MAX4623ESE offers identical performance in tube packaging for prototyping, while ADG465BRUZ provides comparable RON and leakage but lacks dual-channel integration-increasing layout complexity and cost per switch in multi-path systems.
Availability
MAX4623ESE+T is available at Aetrix Electronics and suitable for reed relay replacement, test equipment signal routing, and avionics sensor multiplexing requiring stable component supply across extended temperature and long-lifecycle programs.
Supply support for MAX4623ESE+T 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 semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and automotive markets.
The MAX462x family was engineered for high-fidelity analog signal switching in mission-critical systems-emphasizing low distortion, tight parameter matching, and robust operation across extreme supply and temperature conditions.
FAQ
What is the maximum supply voltage rating for MAX4623ESE+T in single-supply operation?
The MAX4623ESE+T supports a single positive supply range of +4.5V to +36V. Absolute maximum rating for V+ to GND is +44V, but continuous operation above +36V risks permanent damage. For reliable long-term use, design within the specified +4.5V to +36V window, with proper decoupling on V+ and VL pins.
Does MAX4623ESE+T support break-before-make switching?
No, the MAX4623ESE+T does not implement break-before-make functionality. As a dual SPST normally open switch, each channel operates independently with no timing interlock between IN1 and IN2. Break-before-make is only guaranteed for the MAX4622 (SPDT variant); using MAX4623ESE+T in applications requiring BBM requires external logic control or sequencing.
Can MAX4623ESE+T switch signals beyond the supply rails?
No-MAX4623ESE+T analog signals must remain within the V− to V+ range. The device features internal ESD diodes that clamp signals exceeding V+ or falling below V−, limiting safe analog input to the powered supply rails. Attempting to switch signals outside this range may cause excessive current flow and damage.
What is the typical on-capacitance (CON) of MAX4623ESE+T at 1MHz?
The typical on-capacitance (CCOM) of MAX4623ESE+T is 34pF at 1MHz, measured between COM and GND with the switch ON. This low capacitance minimizes loading effects on high-frequency source impedances and preserves bandwidth in RF and fast-sampling applications.
Is MAX4623ESE+T pin-compatible with the DG405 analog switch?
Yes, MAX4623ESE+T is explicitly documented as a pin-compatible replacement for the DG405. Both devices share identical 16-pin SOIC pinouts, logic polarity, and terminal assignments (IN1/IN2, COM1/COM2, NO1–NO4), enabling direct substitution without PCB modification-provided supply and signal voltage limits align with MAX4623ESE+T's improved specifications.
MAX4623ESE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- DPST - NO
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 5Ohm
- Channel-to-Channel Matching (ΔRon):
- 250mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 36V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max):
- 250ns, 200ns
- -3db Bandwidth:
- -
- Charge Injection:
- 480pC
- Channel Capacitance (CS(off), CD(off)):
- 34pF, 34pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -60dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX4623ESE+T FAQ
1.How can I place an order for MAX4623ESE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4623ESE+T 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 MAX4623ESE+T reliable?
The price and inventory of MAX4623ESE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4623ESE+T is usually 5 days.
3.What payment methods are accepted for MAX4623ESE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4623ESE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4623ESE+T?
MAX4623ESE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4623ESE+T 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 MAX4623ESE+T?
For technical support, including MAX4623ESE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4623ESE+T requirements.
6.How does Aetrix verify that MAX4623ESE+T is sourced from the original manufacturer or authorized distributors?
All MAX4623ESE+T 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 MAX4623ESE+T meets industry standards.
7.What is the process for return or replacement of MAX4623ESE+T?
All MAX4623ESE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4623ESE+T, 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 MAX4623ESE+T part is unused and in its original packaging.
Return procedure for MAX4623ESE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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