CD4051BPW Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
CD4051BPW is a single 8:1 analog multiplexer with ±20V supply range and integrated logic-level conversion for 3V to 20V digital controls. It offers 20 MHz bandwidth in a compact TSSOP-16 package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD4051BPW Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD4051BPW?
- 8:1 single-ended analog multiplexing routes one of 8 analog channels with on-resistance below 250 Ω at 5V supply
- Wide ±20V analog signal range handles bipolar sensor outputs in mixed-signal data acquisition systems
- On-chip logic-level translation allows 3V to 20V digital control lines to drive the channel select inputs directly
- 20 MHz bandwidth supports audio and moderate-speed analog signal routing without significant attenuation
What is CD4051BPW used for?
CD4051BPW is widely used in data acquisition front-ends, audio routing matrices, and sensor multiplexing applications where a single ADC input must sample up to 8 channels. Its ±20V analog capability and built-in logic-level translation simplify interfacing between low-voltage digital controllers and higher-swing sensor signals. The TSSOP-16 package makes it a space-efficient choice for industrial signal conditioning and test-and-measurement boards.
What are the specifications of CD4051BPW?
| YTEOL | 0 |
| Additional Feature | Configuration : 8:1 |
| Analog IC - Other Type | SINGLE-ENDED MULTIPLEXER |
| Bandwidth-Nom | 20MHz |
| Input Voltage-Max | 20.5V |
| Input Voltage-Min | -0.5 V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Normal Position | NC |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Off-state Isolation-Nom | 40dB |
| On-state Resistance Match-Nom | 15Ω |
| On-state Resistance-Max (Ron) | 1050Ω |
| Output | COMMON OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 10mA |
| Supply Voltage-Max (Vsup) | 20V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Switch-off Time-Max | 720ns |
| Switch-on Time-Max | 720ns |
| Switching | BREAK-BEFORE-MAKE |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the CD4051BPW datasheet?
CD4051BPW Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD4051BPW?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does CD4051BPW handle mixed-voltage designs where the digital control runs at 3.3V but the analog signal swings ±15V?
CD4051BPW includes on-chip logic-level conversion so 3V to 20V digital control signals can drive the channel-select inputs directly. The analog switch itself supports signal voltages up to ±20V, allowing a 3.3V microcontroller to control analog channels that swing to ±15V without external level shifters in 5V or dual-supply systems.
What on-resistance and bandwidth spec should designers assume for CD4051BPW in a 5V single-supply audio system?
At a 5V single supply, CD4051BPW has a typical on-resistance of around 240 Ω and a bandwidth of 20 MHz. For audio band signals up to 20 kHz, the 20 MHz bandwidth is more than sufficient, and the 240 Ω channel resistance adds only negligible signal attenuation when driving high-impedance loads above 10 kΩ.
Which data acquisition architectures benefit from deploying multiple CD4051BPW devices in cascade?
Cascading two CD4051BPW units enables 64:1 analog multiplexing using a 4-bit address, serving industrial thermocouple scanners, environmental sensor arrays, and multi-channel ECG front-ends. Each device adds 8 channels on a single 16-pin TSSOP footprint, and the ±20V range covers most industrial sensor signal levels at 4 mA to 20 mA current loop outputs converted to voltage.
When is CD4051BPW a better procurement choice than a more integrated 16:1 multiplexer for a 3.3V MCU board?
CD4051BPW is preferred when only 8 channels are needed, since sourcing a smaller 16-pin TSSOP part reduces cost and board area versus a 24-pin 16:1 device. Its built-in logic conversion removes the need for an external 3.3V-to-5V translator, and the wide ±20V analog range means a single part type can serve both 5V industrial and 3.3V consumer designs without redesign.
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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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