MAX4639ESE+ Maxim Integrated Integrated Circuit (Small Outline Packages) In Stock
Maxim MAX4639ESE+ is a low-voltage analog multiplexer IC offering single 8:1 and dual 4:1 configurations with 3.5 Ω on-resistance. Operating from ±2.5 V supplies, it is packaged in a 16-pin SOIC and suits precision data acquisition and signal routing applications.
- Manufacturer
- Maxim Integrated
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- MAX4639ESE+ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.9000(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX4639ESE+?
- Ultra-low 3.5 Ω on-resistance enables minimal signal attenuation in single 8:1 or dual 4:1 multiplexer configurations
- Low-voltage ±2.5 V supply operation reduces power consumption in battery-powered and portable analog systems
- 16-pin SOIC package with rail-to-rail signal handling supports high-density signal routing in compact board designs
What is MAX4639ESE+ used for?
The MAX4639ESE+ is designed for data acquisition systems, precision analog switching, and test-and-measurement equipment where low on-resistance and accurate signal routing at ±2.5 V supply rails are essential. Its dual 4:1 and single 8:1 flexibility makes it suitable for sensor multiplexing in medical instruments, audio switching matrices, and portable handheld devices that demand low-power differential signal handling.
What are the specifications of MAX4639ESE+?
| Manufacturer Package Code | 16-SOIC_N-150_MIL |
| Date Of Intro | 2000-07-15 |
| YTEOL | 9 |
| Analog IC - Other Type | DIFFERENTIAL MULTIPLEXER |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e3 |
| Neg Supply Voltage-Max (Vsup) | -2.75 V |
| Neg Supply Voltage-Min (Vsup) | -2.25 V |
| Neg Supply Voltage-Nom (Vsup) | -2.5 V |
| Normal Position | NO |
| Number of Channels | 4 |
| Number of Functions | 1 |
| Off-state Isolation-Nom | 55dB |
| On-state Resistance Match-Nom | 0.2Ω |
| On-state Resistance-Max (Ron) | 3.5Ω |
| Output | SEPARATE OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Signal Current-Max | 0.03A |
| Supply Current-Max (Isup) | 0.001mA |
| Supply Voltage-Max (Vsup) | 2.75V |
| Supply Voltage-Min (Vsup) | 2.25V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Switch-off Time-Max | 8ns |
| Switch-on Time-Max | 20ns |
| Switching | BREAK-BEFORE-MAKE |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX4639ESE+ datasheet?
MAX4639ESE+ Datasheet DownloadOfficial datasheet from Maxim Integrated
What are equivalent replacements for MAX4639ESE+?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the MAX4639ESE+ on-resistance affect signal accuracy in a 16-channel ADC front-end?
The MAX4639ESE+ has 3.5 Ω on-resistance, which introduces minimal voltage drop when driving high-impedance ADC inputs. In a 16-channel front-end using dual 4:1 stages, signal error due to resistive loading remains below 0.1% for source impedances under 350 Ω, preserving 12-bit ADC accuracy without additional buffering.
Can the MAX4639ESE+ operate from a single 5 V supply in a unipolar data acquisition design?
The MAX4639ESE+ is optimized for dual ±2.5 V supplies, with a negative supply range of -2.25 V to -2.75 V and positive rail at +2.5 V. For single-supply 5 V systems, an external voltage splitter generating ±2.5 V rails is required; without dual rails, signal swing and switching performance will degrade outside specified conditions.
What is the channel capacity difference between the 8:1 and dual 4:1 modes of MAX4639ESE+?
In single 8:1 mode, the MAX4639ESE+ routes 8 analog inputs to 1 output, providing maximum channel density for sequential sampling. In dual 4:1 mode, it operates as 2 independent 4-channel multiplexers, enabling simultaneous routing on 2 separate signal paths. Both modes share the same 3.5 Ω on-resistance and ±2.5 V supply constraints in the 16-pin SOIC package.
Related Guides
DP83TG720SWRHATQ1 Automotive Ethernet PHY Selection Guide
Choose DP83TG720SWRHATQ1 by comparing MAC interfaces, exact ordering codes, qualification evidence, and documented supply offers.
Nov 15, 2026
TLV76033 Selection Guide: Headroom, Heat, and Sourcing
Choose a TLV76033 3.3-V supply using manufacturer ratings, load profiles, dropout calculations, thermal checks, and exact orderable parts.
Nov 14, 2026
DP83TG720SWRHATQ1 Automotive Ethernet Board Design Guide
A practical DP83TG720SWRHATQ1 board checklist for host interfaces, startup, channel validation, qualified variants, and sourcing.
Nov 14, 2026
BQ76942PFBR Battery Monitor Selection and Procurement Guide
Choose BQ76942PFBR by cell count, protection architecture, factory configuration, measurement needs, and a controlled sourcing specification.
Nov 13, 2026
Why Buy from FindMyChip
About Maxim Integrated
Maxim Integrated is a leading electronic component manufacturer. FindMyChip sources Maxim Integrated ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Maxim Integrated
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $12.4770 | $12.48 |
| 100+ | $4.6992 | $469.92 |
| 250+ | $4.5500 | $1137.50 |
| 1000+ | $3.9000 | $3900.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit