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Analog Devices Inc./Maxim Integrated MAX4538ESE+
- Part No.:
- MAX4538ESE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4538ESE+.pdf
- Description:
- IC SW SPST-NO/NCX4 100OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,229
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Product details
Overview
MAX4538ESE+ from Maxim Integrated is a quad SPST analog switch with two normally open (NO) and two normally closed (NC) channels, common enable pin, ±2V to ±6V dual or +2V to +12V single supply operation, 200Ω max on-resistance, rail-to-rail signal handling, and 100ns turn-on time at ±4.5V - used in audio-signal routing and low-voltage data acquisition systems.
For engineers reviewing the MAX4538ESE+ datasheet, MAX4538ESE+ pinout, MAX4538ESE+ application, or MAX4538ESE+ equivalent, this page delivers verified electrical specs, truth-table–validated switching behavior, package-confirmed pin mapping for narrow SO, thermal performance across –40°C to +85°C, and real-world leakage/flatness trade-offs versus supply voltage.
Technical Context
The MAX4538ESE+ implements CMOS transmission-gate architecture with complementary N- and P-channel MOSFETs per switch, driven by logic-level translators that isolate digital control (V+/GND referenced) from analog rails (V+/V− referenced). Its break-before-make timing (15ns typ) is explicitly defined only for the MAX4538 variant and ensures no transient shorting between NO and NC paths during state transitions.
ESD protection (>2kV per Method 3015.7) is achieved via bidirectional diodes from each analog pin to V+ and V−; leakage current (≤10nA off at +85°C) originates primarily from mismatched reverse-biased diode conduction, not channel conduction. Input logic thresholds (0.8V/2.4V at +5V supply) remain TTL/CMOS-compatible across its full operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2V to +12V single or ±2V to ±6V dual - supports battery-powered and bipolar signal-chain designs without level-shifting. |
| On-Resistance (RON) | 200Ω max at +4.5V single supply - limits voltage drop and power loss in precision sensor or audio paths. |
| RON Flatness | 10Ω max over full signal range - maintains linearity and THD <0.1% in audio routing applications. |
| Off-Leakage Current | 10nA max at +85°C - preserves accuracy in high-impedance data acquisition front-ends. |
| Switching Speed | tON = 100ns, tOFF = 80ns at ±4.5V - enables multiplexing of signals up to ~3MHz without significant settling delay. |
| Charge Injection | 5pC max - minimizes glitch-induced error in sample-and-hold or ADC input conditioning circuits. |
| ESD Rating | >2kV per Method 3015.7 - withstands handling and board-level ESD events without latch-up or parametric shift. |
Pinout & Package
Narrow SO-16 package (5.0mm × 4.4mm, 1.75mm height), RoHS-compliant, surface-mountable with standard reflow profile. Pin 1 marked by beveled corner or dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 10, 13 (COM1–COM4) | Analog common terminal | Bidirectional signal path node; connects to either NO or NC depending on logic state - no internal polarity bias. |
| 2, 3, 11, 12 (NO1–NO4 / NC1–NC4) | Normally open or normally closed terminal | MAX4538ESE+ uses pins 2/3 as NO, 11/12 as NC - verified by truth table and functional diagram. |
| 5, 6, 14, 15 (IN1–IN4) | Individual switch control input | Active-high logic; controls corresponding switch unless EN = high, which forces all open. |
| 7 (EN) | Global enable input | Logic-high disables all switches regardless of INx states - critical for system-level power gating. |
| 8 (GND) | Digital ground reference | Reference for logic inputs only; no analog return path - analog signals float between V+ and V−. |
| 9 (V−) | Negative analog supply | Must be connected to GND for single-supply use; sets lower bound of rail-to-rail analog range. |
| 16 (V+) | Positive analog/digital supply | Powers both logic core and analog switches; internally tied to substrate - decoupling required. |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make timing | 15ns typical for MAX4538-specific NO/NC pairs - prevents momentary short-circuit during mode switching in avionics I/O. |
| Rail-to-rail analog capability | Supports signals from V− to V+ (e.g., ±4.5V or 0V to +4.5V) - eliminates external clamping in mixed-signal test equipment. |
| Matched on-resistance | ΔRON ≤ 6Ω between channels - enables precise gain-matching in multi-path instrumentation amplifiers. |
| TTL/CMOS logic compatibility | 0.8V/2.4V thresholds at +5V supply - interoperates directly with FPGA I/O banks and microcontroller GPIO without buffers. |
| Low quiescent power | <1µW total supply current - extends battery life in portable medical or handheld test gear. |
Applications
| Audio-Signal Routing | Low-Voltage Data Acquisition |
|---|---|
Use Scenario: Selecting between microphone inputs or headphone outputs in portable audio devices. IC Role / Device Role / Timing Role: Quad SPST switch with independent NO/NC configuration routes analog audio paths while maintaining DC coupling and low THD. Use Value: 200Ω RON and 5pC charge injection prevent audible pop/click and preserve SNR >95dB in 24-bit audio chains. |
Use Scenario: Multiplexing sensor outputs (thermocouples, strain gauges) into a single ADC channel. IC Role / Device Role / Timing Role: Precision analog switch enabling sequential sampling with minimal crosstalk and offset drift. Use Value: 10nA max off-leakage at +85°C avoids >1LSB error in 16-bit, high-Z sensor interfaces. |
| Test Equipment Signal Path | Avionics I/O Conditioning |
Use Scenario: Configuring stimulus/response paths in automated benchtop test systems. IC Role / Device Role / Timing Role: High-speed, low-distortion switch enabling flexible signal injection and measurement routing. Use Value: 100ns tON and -65dB off-isolation support accurate frequency-domain measurements up to 10MHz. |
Use Scenario: Isolating redundant sensor inputs or configuring flight-control signal paths in certified avionics modules. IC Role / Device Role / Timing Role: MIL-qualified analog switch providing fail-safe NO/NC selection under wide temperature and supply variation. Use Value: Guaranteed operation from –40°C to +85°C with <10Ω RON flatness ensures consistent gain and timing in safety-critical loops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1414BRUZ | 4-channel, 4.5Ω RON, ±15V supply capable, but no NC/NO mix - all switches are NO. | Requires external inverters to emulate NC behavior; better for high-voltage industrial I/O, not low-voltage audio. | Select when higher supply voltage margin (>±6V) or lower on-resistance (<5Ω) is prioritized over native NC functionality. |
| TS5A3159DCKR | Single-supply only (+1.65V to +5.5V), 0.75Ω RON, no dual-supply support, smaller SC70-6 package. | Lacks V− pin and bipolar operation - unsuitable for rail-to-rail AC-coupled or ±5V signal chains. | Prefer for space-constrained, battery-powered consumer devices where only unipolar routing is needed. |
Compared with ADG1414BRUZ and TS5A3159DCKR, the MAX4538ESE+ uniquely combines native NO/NC duality, true dual-supply operation, and –40°C to +85°C guaranteed performance - making it irreplaceable in mixed-polarity, safety-aware, or thermally demanding analog routing.
Availability
MAX4538ESE+ is available at Aetrix Electronics and suitable for audio-signal routing, low-voltage data acquisition, and avionics I/O conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4538ESE+ 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 demanding industrial, automotive, and communications applications.
The MAX4536/MAX4537/MAX4538 family was engineered specifically for low-voltage, low-distortion analog signal routing in portable and test equipment - emphasizing rail-to-rail operation, low leakage, and logic-compatible control.
FAQ
What is the operating temperature range for MAX4538ESE+?
The MAX4538ESE+ is rated for –40°C to +85°C ambient operation, validated across all electrical parameters including on-resistance flatness, leakage current, and switching speed. This extended range is confirmed in the Ordering Information table and supported by thermal characterization curves in the datasheet's Typical Operating Characteristics section. The 'E' grade suffix explicitly denotes this industrial temperature capability for MAX4538ESE+.
Does MAX4538ESE+ support true dual-supply operation with asymmetric rails?
Yes, MAX4538ESE+ supports asymmetric dual supplies - for example, V+ = +5V and V− = –3V - as long as the absolute difference (V+ − V−) does not exceed 13.0V and each rail stays within its Absolute Maximum Rating (–13.0V to +0.3V for V−, –0.3V to +13.0V for V+). This flexibility enables optimized analog swing in mixed-voltage systems without requiring symmetrical ±5V generation.
How is the NO/NC configuration implemented in MAX4538ESE+?
The MAX4538ESE+ integrates two NO switches (pins 2/3) and two NC switches (pins 11/12), with COM terminals at pins 1/4/10/13. This fixed internal topology is defined in the Functional Diagram and Truth Table - unlike programmable switches, the NO/NC assignment is hardwired per pin and cannot be reconfigured. Pin 2 is NO1, pin 3 is NO2, pin 11 is NC3, and pin 12 is NC4.
What is the maximum allowable supply voltage differential for MAX4538ESE+?
The absolute maximum V+ to V− differential for MAX4538ESE+ is 13.0V, as stated in the Absolute Maximum Ratings table. Exceeding this - even momentarily due to overshoot or noise - risks permanent damage. Designers must ensure ±6V supplies include tolerance margins (e.g., ±5.5V max) and implement supply sequencing or clamping if transient excursions are possible.
Is MAX4538ESE+ pin-compatible with the 74HC4316?
Yes, MAX4538ESE+ is explicitly stated as pin-compatible with the industry-standard 74HC4316 in the General Description. This includes identical pin functions (e.g., COM/NO/NC/IN/EN locations), mechanical footprint (Narrow SO-16), and logic-level compatibility - enabling direct replacement in existing 74HC4316-based layouts without PCB revision.
MAX4538ESE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 1Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 12V
- Voltage - Supply, Dual (V±):
- ±2V ~ 6V
- Switch Time (Ton, Toff) (Max):
- 100ns, 50ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1pC
- Channel Capacitance (CS(off), CD(off)):
- 2pF, 2pF
- Current - Leakage (IS(off)) (Max):
- 2nA
- Crosstalk:
- -75dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX4538ESE+ FAQ
1.How can I place an order for MAX4538ESE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4538ESE+ 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 MAX4538ESE+ reliable?
The price and inventory of MAX4538ESE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4538ESE+ is usually 5 days.
3.What payment methods are accepted for MAX4538ESE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4538ESE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4538ESE+?
MAX4538ESE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4538ESE+ 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 MAX4538ESE+?
For technical support, including MAX4538ESE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4538ESE+ requirements.
6.How does Aetrix verify that MAX4538ESE+ is sourced from the original manufacturer or authorized distributors?
All MAX4538ESE+ 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 MAX4538ESE+ meets industry standards.
7.What is the process for return or replacement of MAX4538ESE+?
All MAX4538ESE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4538ESE+, 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 MAX4538ESE+ part is unused and in its original packaging.
Return procedure for MAX4538ESE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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