SN74HC4851DG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74HC4851DG4 is an 8-channel analog multiplexer/demultiplexer IC from Texas Instruments in a 16-pin SOIC package with 280 Ohm maximum on-resistance. It operates on 2 V to 6 V supply and switches analog or digital signals across 8 inputs to a single output. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- SN74HC4851DG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HC4851DG4?
- 8-channel single-ended analog multiplexer with 280 Ohm max on-resistance for versatile signal routing
- 2 Ohm on-resistance matching between channels for precise ratiometric measurements
- Wide 2 V to 6 V supply range compatible with 3.3 V and 5 V CMOS logic systems
- 16-pin SOIC package with RoHS-compliant construction for space-efficient surface-mount designs
What is SN74HC4851DG4 used for?
The SN74HC4851DG4 is commonly used in analog signal multiplexing for multi-sensor data acquisition systems, test equipment, and ADC input selection where 8 analog sources must be routed to a single ADC channel. Its low on-resistance matching of 2 Ohm makes it suitable for precision ratiometric measurements in industrial and automotive sensor interfaces. Engineers also deploy it as a programmable gain or channel selector in audio routing matrices and mixed-signal embedded systems.
What are the specifications of SN74HC4851DG4?
| YTEOL | 0 |
| Analog IC - Other Type | SINGLE-ENDED MULTIPLEXER |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Channels | 8 |
| Number of Functions | 1 |
| On-state Resistance Match-Nom | 2Ω |
| On-state Resistance-Max (Ron) | 280Ω |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Signal Current-Max | 0.05A |
| Supply Current-Max (Isup) | 0.04mA |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Switch-off Time-Max | 90ns |
| Switch-on Time-Max | 90ns |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| 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 |
Where can I find the SN74HC4851DG4 datasheet?
SN74HC4851DG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74HC4851DG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many analog channels can the SN74HC4851DG4 multiplex to a single output?
The SN74HC4851DG4 routes up to 8 analog input channels to a single common output under 3-bit digital address control, making it ideal for connecting 8 sensors to one ADC input in data acquisition systems with minimal hardware.
What on-resistance does the SN74HC4851DG4 exhibit and how does it affect signal accuracy?
The SN74HC4851DG4 specifies 280 Ohm maximum on-resistance with only 2 Ohm matching between channels. The 2 Ohm channel matching ensures consistent signal attenuation across all 8 paths, critical for ratiometric ADC measurements where gain accuracy must not vary by channel.
Can the SN74HC4851DG4 switch bipolar analog signals or only positive voltages?
With dual supply operation at ±5 V, the SN74HC4851DG4 can switch bipolar analog signals from -5 V to +5 V, extending its use to AC audio routing, differential sensor switching, and precision instrumentation with both positive and negative signal swings.
What is the supply voltage range of the SN74HC4851DG4 and which digital logic families does it interface with?
The device operates from 2 V to 6 V supply, directly compatible with both 3.3 V and 5 V CMOS logic without level translation. Its enable and address inputs accept logic levels referenced to the positive supply rail, integrating directly with most modern microcontrollers.
How does the 16-pin SOIC package of SN74HC4851DG4 compare to a DIP for automated board assembly?
The 16-pin SOIC package uses a 1.27 mm lead pitch and a 9.9 mm body length, roughly 50% smaller in area than a 16-pin DIP. It is compatible with standard SMT pick-and-place machines and reflow soldering, enabling higher board density and faster automated assembly throughput.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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