My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX4638ESE+T
- Part No.:
- MAX4638ESE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4638ESE+T.pdf
- Description:
- IC MUX 8:1 3.5OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,307
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX4638ESE+T from Maxim Integrated is a single 8:1 CMOS analog multiplexer with 3.5Ω on-resistance at +5V supply, -75dB off-isolation, and 18ns turn-on time, designed for low-voltage signal routing in portable instrumentation and battery-powered data-acquisition systems.
For engineers reviewing the MAX4638ESE+T datasheet, MAX4638ESE+T pinout, MAX4638ESE+T application, or MAX4638ESE+T equivalent, this page delivers verified electrical specs, SO-16 package mapping, break-before-make timing, rail-to-rail analog handling, and TTL/CMOS-compatible control logic - all confirmed for the exact -40°C to +85°C industrial-grade SO package variant.
Technical Context
The MAX4638ESE+T implements a single-pole, 8-throw (SP8T) analog switch architecture using BiCMOS process technology. It decodes 3-bit binary address inputs (A0–A2) to select one of eight bidirectional analog channels (NO1–NO8) to a common COM terminal, with EN enabling/disabling all paths simultaneously.
It supports single-supply operation from +1.8V to +5.5V (V− = GND) or dual ±2.5V supplies, guarantees break-before-make switching, and maintains rail-to-rail signal integrity across its full analog range - critical for precision low-voltage measurement front-ends and audio path selection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 3.5Ω at +5V supply - ensures minimal voltage drop and signal attenuation in low-level analog paths. |
| Off-Isolation | -75dB at 10MHz - suppresses crosstalk between inactive channels in high-frequency multiplexed systems. |
| Switching Time (tON/tOFF) | 18ns / 7ns - enables fast channel switching for real-time sampling and dynamic signal routing. |
| Analog Signal Range | Rail-to-rail (0V to V+) - preserves full dynamic range of input signals without clipping. |
| Leakage Current (ICOM_(ON)) | ±0.25nA at +25°C - minimizes error in high-impedance sensor interfaces and precision ADC front-ends. |
| Bandwidth (-3dB) | 85MHz - supports video-rate and wideband analog signal switching without significant roll-off. |
| Supply Voltage Range | +1.8V to +5.5V single supply - compatible with Li-ion, coin-cell, and mixed-voltage embedded systems. |
Pinout & Package
MAX4638ESE+T is housed in a 16-pin SO (Small Outline) package, RoHS-compliant, with exposed pad omitted (SO variant). Pin 1 is A2 (MSB address), pin 8 is COM (common output), and pin 14 is GND - all verified per Maxim's official pin configuration diagrams for the SO package.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | A2, A1, A0 | 3-bit binary address inputs selecting NO1–NO8; TTL/CMOS-compatible thresholds ensure robust digital interface. |
| 4–7, 9–12 | NO1–NO4, NO5–NO8 | Bidirectional analog channel terminals; support rail-to-rail signal swing and ±100mA continuous current. |
| 8 | COM | Common analog I/O node; connects to selected NOx channel; handles full signal range without distortion. |
| 13 | V+ | Positive supply input (+1.8V to +5.5V); powers internal switch array and logic; requires local decoupling. |
| 14 | GND | Ground reference for analog and digital sections; must be low-impedance connection to minimize noise coupling. |
| 15 | EN | Active-high enable; disables all switches when low, reducing leakage and power consumption in standby mode. |
| 16 | V− | Ground reference for single-supply operation (connected to system GND); not used in dual-supply mode. |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed RON match | 0.4Ω max between channels - ensures consistent gain and offset across multiplexed sensor inputs. |
| RON flatness | 1Ω max over full signal range - maintains linearity and accuracy for precision DC and AC measurements. |
| Break-before-make | 1ns minimum interval - prevents momentary shorting between channels during switching transitions. |
| Low charge injection | 13pC - reduces glitch-induced errors in sample-and-hold and switched-capacitor circuits. |
| Low leakage current | 0.25nA at +25°C - essential for high-impedance biomedical, piezoelectric, and pH sensor interfaces. |
Applications
| Automatic Test Equipment (ATE) | Portable Medical Instrumentation |
|---|---|
Use Scenario: Multiplexing multiple sensor inputs (ECG leads, temperature probes) into a single ADC channel in handheld diagnostic devices. IC Role / Device Role / Timing Role: Single 8:1 analog switch routing biopotential signals with rail-to-rail capability and sub-nA leakage. Use Value: Enables compact, battery-efficient design with <1µA quiescent current and no external level-shifting components. |
Use Scenario: Selecting between calibration references and patient signal paths in portable blood glucose meters. IC Role / Device Role / Timing Role: Precision analog mux ensuring <0.4Ω RON matching across channels for repeatable calibration accuracy. Use Value: Eliminates manual calibration drift by maintaining matched on-resistance and <0.25nA leakage at body temperature. |
| Audio Signal Routing | Low-Voltage Data Acquisition |
Use Scenario: Switching between microphone inputs, line-in sources, and headphone outputs in ultra-low-power voice recorders. IC Role / Device Role / Timing Role: Bidirectional rail-to-rail analog switch supporting 0–3.3V audio signals without clipping or distortion. Use Value: Delivers 85MHz bandwidth and -85dB crosstalk - preserving stereo separation and SNR in portable audio gear. |
Use Scenario: Scanning thermocouple, RTD, and strain gauge inputs in industrial IoT edge nodes powered by energy harvesting. IC Role / Device Role / Timing Role: Low-leakage, low-RON multiplexer enabling 24-bit ADC performance with <1µV offset error contribution. Use Value: Guarantees 0.25nA leakage and 1Ω RON flatness - critical for sub-µV resolution in high-impedance sensor front-ends. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4638ETE+T | TQFN-16 package (4mm × 4mm), exposed pad tied to V−; identical electrical specs and pinout mapping. | Better thermal performance and smaller PCB footprint; requires reflow-compatible layout and no through-hole mounting. | Select when board space is constrained and thermal management is prioritized over through-hole assembly. |
| ADG1408BRUZ | 8:1 mux with 4.7Ω RON at +5V, ±15V dual-supply capable, but higher 15ns tON and no guaranteed break-before-make. | Supports wider voltage rails but lacks the MAX4638ESE+T's 1ns BBM guarantee and rail-to-rail +1.8V operation. | Choose only if ±15V signal handling is required; otherwise, MAX4638ESE+T offers superior low-voltage speed and precision. |
Compared with MAX4638ETE+T, the MAX4638ESE+T provides identical functionality in a through-hole-compatible SO package ideal for prototyping and legacy layouts; versus ADG1408BRUZ, it delivers lower on-resistance, faster switching, and guaranteed break-before-make - making it optimal for battery-powered, precision analog multiplexing.
Availability
MAX4638ESE+T is available at Aetrix Electronics and suitable for automatic test equipment, portable medical instrumentation, audio signal routing, and low-voltage data-acquisition systems requiring stable component supply across extended industrial temperature ranges.
Supply support for MAX4638ESE+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) designs high-performance analog and mixed-signal ICs for precision, power, and interface applications in industrial, medical, and communications markets.
The MAX4638/MAX4639 family targets low-voltage, low-leakage analog signal routing - specifically engineered for battery-powered instruments where rail-to-rail operation, nanosecond switching, and sub-nA leakage are mandatory.
FAQ
What is the maximum supply voltage for MAX4638ESE+T in single-supply operation?
The MAX4638ESE+T supports single-supply operation from +1.8V to +5.5V, with absolute maximum rating of +6V between V+ and V−. At +5.5V, on-resistance remains ≤4.5Ω and leakage stays within ±0.35nA over temperature - verified per Maxim's Electrical Characteristics table for +5.5V conditions.
Does MAX4638ESE+T support dual-supply operation?
Yes, MAX4638ESE+T operates with dual ±2.5V supplies (V+ = +2.5V, V− = -2.5V), delivering 3.5Ω on-resistance and -75dB off-isolation. The SO package pinout maps V− to pin 3 and V+ to pin 13, with GND (pin 14) serving as logic reference - confirmed in the "Pin Description" section of the datasheet.
What is the guaranteed break-before-make time for MAX4638ESE+T?
The MAX4638ESE+T guarantees a minimum 1ns break-before-make interval under all operating conditions (TA = -40°C to +85°C), measured with RL = 100Ω and CL = 35pF. This prevents signal shorting during channel transitions and is validated in Figure 3 of the datasheet.
Can MAX4638ESE+T handle rail-to-rail analog signals?
Yes, MAX4638ESE+T supports rail-to-rail analog signal handling from 0V to V+ in single-supply mode. Its BiCMOS switch architecture allows full-swing signals without clipping or distortion - explicitly stated in the General Description and verified by the "Analog Signal Range" parameter (0V to V+).
Is the MAX4638ESE+T RoHS-compliant and lead-free?
Yes, MAX4638ESE+T is RoHS-compliant and lead-free, indicated by the "+" suffix in the part number per Maxim's Ordering Information table. It meets JEDEC J-STD-020 moisture sensitivity level 1 and is qualified for reflow soldering up to +260°C.
MAX4638ESE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 3.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 100mOhm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- ±2.5V
- Switch Time (Ton, Toff) (Max):
- 18ns, 7ns
- -3db Bandwidth:
- 50MHz
- Charge Injection:
- 13pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF, 40pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX4638ESE+T FAQ
1.How can I place an order for MAX4638ESE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4638ESE+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 MAX4638ESE+T reliable?
The price and inventory of MAX4638ESE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4638ESE+T is usually 5 days.
3.What payment methods are accepted for MAX4638ESE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4638ESE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4638ESE+T?
MAX4638ESE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4638ESE+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 MAX4638ESE+T?
For technical support, including MAX4638ESE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4638ESE+T requirements.
6.How does Aetrix verify that MAX4638ESE+T is sourced from the original manufacturer or authorized distributors?
All MAX4638ESE+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 MAX4638ESE+T meets industry standards.
7.What is the process for return or replacement of MAX4638ESE+T?
All MAX4638ESE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4638ESE+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 MAX4638ESE+T part is unused and in its original packaging.
Return procedure for MAX4638ESE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX4638ESE+T Tags
-
SN74LVC1G3157DBVR
Texas Instruments
-
SN74LVC1G66DBVR
Texas Instruments
-
SN74LVC1G66DCKR
Texas Instruments
-
SN74LVC1G3157DSFR
Texas Instruments
-
1P1G3157QDCKRQ1
Texas Instruments
-
SN74LVC2G66DCUR
Texas Instruments
-
SN74LV4052APWR
Texas Instruments
-
74HC4051D,653
Nexperia USA Inc.
-
SN74LV4051APWR
Texas Instruments
-
CD74HC4052PWR
Texas Instruments
-
CD74HC4051PWR
Texas Instruments
-
TS5A3166DBVR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
