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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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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