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Texas Instruments TMUX4051DYYRQ1
- Part No.:
- TMUX4051DYYRQ1
- Manufacturer:
- Texas Instruments
- Package:
- SOT-23-16 Thin, SOT-23 Variant
- Datasheet:
-
TMUX4051DYYRQ1.pdf
- Description:
- AUTOMOTIVE, 12-V, 8:1 ONE-CHANNE
- Quantity:
Unit Price:$0.455600
Ext Price:$0.455600
- Payment:
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Product Details
TMUX4051DYYRQ1 - TI 8-Channel 1:4 Multiplexer/Demultiplexer
TMUX4051DYYRQ1 is an 8-channel bidirectional 1:4 multiplexer/demultiplexer organized as 4x SP4T (Single-Pole-4-Throw) switches, each with two channels (A and B). It uses parallel GPIO control (4 SEL pins) instead of SPI, making it ideal for processors without available SPI interface or where direct ...
Product Introduction
TMUX4051DYYRQ1 is an 8-channel bidirectional 1:4 multiplexer/demultiplexer organized as 4x SP4T (Single-Pole-4-Throw) switches, each with two channels (A and B). It uses parallel GPIO control (4 SEL pins) instead of SPI, making it ideal for processors without available SPI interface or where direct GPIO control is preferred. Operates from 1.65V to 5.5V with 4Ω ON-resistance and 500MHz bandwidth. AEC-Q100 Grade 1 qualified.
Expert Technical Insights
Parallel GPIO control vs. SPI control:
- The TMUX4051DYYRQ1's parallel control uses 4 SEL pins, one for each SP4T switch
- Each SEL pin selects which of the 4 outputs is connected to the common input
- This is simpler than SPI - no clock, no protocol - just set the GPIO pins to the desired state
- The trade-off is more GPIO pin usage (4 pins vs
- 3 for SPI), but no SPI driver code is required.
SOT-23-20: High channel count in a compact package:
- The SOT-23-20 package (4.0x1.5mm) is typically used for simple switches
- The TMUX4051DYYRQ1's use of SOT-23-20 for an 8-channel SP4T mux is unusual and enables very space-constrained designs
- The narrow body fits between dense PCB traces, making it ideal for automotive camera modules where PCB area is extremely limited.
Key Benefits
High channel count (4 SP4T) in compact SOT-23-20 package (4.0x1.5mm).
Simple 4-pin GPIO control, no SPI driver needed.
Suitable for MIPI CSI-2, DSI, and USB 2.0 high-speed signal routing.
Automotive-qualified with -40°C to +125°C junction temperature range.
Detailed Specifications
| Parameter | Value | Conditions / Notes |
|---|---|---|
| Device Type | 8-Channel 1:4 Multiplexer/Demultiplexer | - |
| Manufacturer | Texas Instruments | USA |
| Configuration | 4x SP4T (Single-Pole-4-Throw) | 8 bidirectional channels |
| Supply Voltage (VCC) | 1.65V to 5.5V | Wide voltage range |
| ON-Resistance (RON) | 4Ω (typical) | 25°C |
| Bandwidth | 500MHz (-3dB) | - |
| Control Interface | Parallel GPIO | 4 SEL pins control 4 SP4T switches |
| ESD Protection | 2kV HBM | - |
| Fault Protection | Over-voltage protection on all I/O | - |
| Package | SOT-23-20 (DYY) | 4.0x1.5mm |
| Operating Temperature | -40°C to +125°C | Junction temp |
Note: For detailed electrical parameters, thermal management design, and EMI optimization guidelines, refer to the official TI datasheet. Specifications are subject to change without notice. Engineers should verify all parameters before final design.
Package Information
TMUX4051DYYRQ1 uses a 20-pin SOT-23 (DYY suffix) package with a compact 4.0x1.5mm body and 0.65mm pitch. This unique package combines the high channel count of the TMUX4051 family in a compact SOT-23 form factor. It features 8 bidirectional channels organized as 4 SP4T switches, with parallel GPIO control instead of SPI. AEC-Q100 Grade 1 qualified.
Pin Definition (SOT-23-20)
- COM_1A/B ~ COM_4A/B: Common port pins (8 channels total)
- NO_1A/B ~ NO_4A/B: Normally open port pins (4 throws per pole)
- SEL_1 ~ SEL_4: Parallel select pins (one per SP4T switch)
- VCC / GND: Power supply and ground
Alternative Parts
The following alternative parts are listed for reference. Before selecting an alternative, verify communication interface, supply voltage, security algorithm compatibility, and software API differences.
| Part Number | Brand | Type | Package | Key Feature |
|---|---|---|---|---|
| TMUX4051PWRQ1 | TI | 8-Ch 1:4 Mux / SPI / 1.65V-5.5V / 500MHz | TSSOP-20 | SPI control version, different package |
| TMUX4052PWRQ1 | TI | 12-Ch 1:6 Mux / SPI / 1.65V-5.5V / 500MHz | TSSOP-28 | Higher channel count, 1:6 ratio |
| TMUX4051DYYRQ1 | Verify datasheet before selection | Verify datasheet before selection | Verify datasheet before selection | Verify datasheet before selection |
Manufacturer Information
Texas Instruments (NASDAQ: TXN), headquartered in Dallas, Texas, is a global leader in analog and embedded semiconductors. TI's TMUX mux/demux family covers signal routing from low-speed GPIOs to USB 3.0 SuperSpeed. The TMUX4051DYY follows TI's automotive-quality flow with AEC-Q100 Grade 1 qualification and PPAP support.
Applications
Frequently Asked Questions
What is TMUX4051DYYRQ1 used for?
TMUX4051DYYRQ1 is used in electronic designs according to the function and limits described in the manufacturer datasheet.
Can TMUX4051DYYRQ1 be replaced by another part?
Only after verifying package, pinout, electrical limits and software or circuit compatibility.
Where should the final parameters be checked?
Use the official manufacturer datasheet and latest ordering documentation before final design release.
Disclaimer
The technical specifications listed on this page are based on the official TI datasheet. We strive to ensure accuracy and completeness, but specifications are subject to change without notice. Engineers should verify all parameters before final design.
We guarantee all products are genuine factory originals with complete traceability.
Free technical consultation available before and after purchase.
This product page is for reference only.
TMUX4051DYYRQ1 Specifications
- Specifications
- Attributes
- Property Value
- Manufacturer
- Texas Instruments
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Part Status:
- Active
- Switch Circuit:
- SP8T - Open
- Multiplexer/Demultiplexer Circuit:
- 8:1
- On-State Resistance (Max):
- 240Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm
- Voltage - Supply, Single (V+):
- 5V ~ 24V
- Qualification:
- -
- Voltage - Supply, Dual (V±):
- ±12V
- Switch Time (Ton, Toff) (Max):
- 110ns, 85ns (Typ)
- Number of Circuits:
- 1
- 3 dB Bandwidth:
- 430MHz
- Charge Injection:
- 2pC
- Grade:
- -
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 9pF
- Mounting Style:
- Surface Mount
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Current - Leakage (IS(off)) (Max):
- 100nA
- Crosstalk:
- -90dB @ 1MHz
- Supplier Device Package:
- 16-SOT-23-THIN
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