Specifications
| Type | Description |
|---|---|
| Part Number | TMUX1247 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | SC70 (DCK), 6 pins, 2.00 mm x 1.25 mm nominal body |
| Switch configuration | 2:1 SPDT; single-pole double-throw CMOS switch |
| Signal direction | Bidirectional; source Sx and drain D pins |
| Supply voltage range | 1.08 to 5.5 V; recommended operating condition |
| Signal path voltage range | 0 V to VDD; source or drain pins Sx, D |
| Logic control input voltage range | 0 to 5.5 V; SEL pin recommended operating condition |
| Ambient operating temperature | -40 to 125 °C; recommended operating condition |
| Supply voltage absolute maximum | -0.5 to 6 V; VDD |
| Logic input absolute maximum voltage | -0.5 to 6 V; SEL pin |
| Logic input absolute maximum current | -30 to 30 mA; SEL pin |
| Source or drain absolute maximum voltage | -0.5 to VDD + 0.5 V; Sx, D pins |
| Source or drain continuous current | -50 to 50 mA; Sx, D pins |
| Diode clamp current | -30 to 30 mA; absolute maximum rating |
| Storage temperature | -65 to 150 °C; absolute maximum rating |
| Junction temperature | 150 °C; absolute maximum rating |
| ESD HBM rating | ±2000 V; ANSI/ESDA/JEDEC JS-001, all pins |
| ESD CDM rating | ±750 V; JEDEC JESD22-C101, all pins |
| Junction-to-ambient thermal resistance | 243.6 °C/W; DCK SC70, 6 pins |
| Junction-to-case top thermal resistance | 180.9 °C/W; DCK SC70, 6 pins |
| Junction-to-board thermal resistance | 106.3 °C/W; DCK SC70, 6 pins |
| On-resistance at 5 V | 3 Ω typ, 5 Ω max to 85°C, 6 Ω max to 125°C; VS=0 V to VDD, ISD=10 mA |
| On-resistance matching at 5 V | 0.15 Ω typ, 1 Ω max; VS=0 V to VDD, ISD=10 mA |
| On-resistance flatness at 5 V | 1.5 Ω typ, 2 Ω max to 85°C, 3 Ω max to 125°C; VS=0 V to VDD, ISD=10 mA |
| Source off leakage current at 5 V | ±75 nA typ, ±150 nA max to 85°C, ±175 nA max to 125°C; switch off, VD=4.5 V/1.5 V, VS=1.5 V/4.5 V |
| Channel on leakage current at 5 V | ±200 nA typ, ±500 nA max to 85°C, ±750 nA max to 125°C; switch on, VD=VS=4.5 V/1 V |
| Input logic high at 5 V | 1.42 to 5.5 V; -40°C to 125°C |
| Input logic low at 5 V | 0 to 0.87 V; -40°C to 125°C |
| Input leakage current | ±0.005 µA typ, ±0.05 µA max; VDD=5 V, SEL input |
| Digital input capacitance | 1 pF typ, 2 pF max; VDD=5 V, SEL input |
| Supply current at 5 V | 0.007 µA typ, 1.5 µA max; digital inputs=0 V or 5.5 V |
| Switching time between channels at 5 V | 12 ns typ, 18 ns max to 85°C, 19 ns max to 125°C; VS=3 V, RL=200 Ω, CL=15 pF |
| Break-before-make time | 8 ns typ, 1 ns min; VDD=5 V, VS=3 V, RL=200 Ω, CL=15 pF |
| Charge injection at 5 V | -10 pC typ; VS=VDD/2, RS=0 Ω, CL=1 nF |
| Off isolation | -65 dB typ at 1 MHz, -45 dB typ at 10 MHz; VDD=5 V, RL=50 Ω, CL=5 pF |
| Crosstalk | -65 dB typ at 1 MHz, -45 dB typ at 10 MHz; VDD=5 V, RL=50 Ω, CL=5 pF |
| Bandwidth | 250 MHz typ; VDD=5 V, RL=50 Ω, CL=5 pF |
| Source off capacitance | 7 pF typ; VDD=5 V, f=1 MHz |
| On capacitance | 23 pF typ; VDD=5 V, f=1 MHz |
| On-resistance at 3.3 V | 4.5 Ω typ, 12.5 Ω max to 85°C, 13 Ω max to 125°C; VS=0 V to VDD, ISD=10 mA |
| On-resistance matching at 3.3 V | 0.15 Ω typ, 1 Ω max; VS=0 V to VDD, ISD=10 mA |
| On-resistance flatness at 3.3 V | 3.5 Ω typ, 4 Ω max to 85°C, 5 Ω max to 125°C; VS=0 V to VDD, ISD=10 mA |
| Input logic high at 3.3 V | 1.35 to 5.5 V; -40°C to 125°C |
| Input logic low at 3.3 V | 0 to 0.8 V; -40°C to 125°C |
| Supply current at 3.3 V | 0.004 µA typ, 0.8 µA max; digital inputs=0 V or 5.5 V |
| Switching time between channels at 3.3 V | 14 ns typ, 20 ns max to 85°C, 22 ns max to 125°C; VS=2 V, RL=200 Ω, CL=15 pF |
| Charge injection at 3.3 V | -6 pC typ; VS=VDD/2, RS=0 Ω, CL=1 nF |
| On-resistance at 1.8 V | 40 Ω typ, 80 Ω max; VS=0 V to VDD, ISD=10 mA |
| On-resistance matching at 1.8 V | 0.4 Ω typ, 1.5 Ω max; VS=0 V to VDD, ISD=10 mA |
| Input logic high at 1.8 V | 1.07 to 5.5 V; -40°C to 125°C |
| Truth table, SEL low | SEL low connects S1 to D |
| Truth table, SEL high | SEL high connects S2 to D |
| Datasheet Status | request_only |
Product Overview
The TMUX1247 is a Texas Instruments single-pole double-throw CMOS analog switch configured as a 2:1 SPDT device. Its source Sx and drain D pins are bidirectional, allowing either source channel to connect to the drain according to the SEL control input.
Key Features
- 2:1 SPDT single-pole double-throw CMOS switch
- Bidirectional Sx and D signal path pins
- 1.08 V to 5.5 V recommended VDD range
- 0 V to VDD signal path voltage range
- -40°C to 125°C ambient operating range
- 3 Ω typical on-resistance at 5 V
- 250 MHz typical bandwidth at 5 V
- 12 ns typical channel switching at 5 V
- 8 ns typical break-before-make time
- SC70 DCK 6-pin 2.00 mm x 1.25 mm package
Typical Applications
- Bidirectional analog signal routing
- Single-pole double-throw channel selection
- Low-voltage signal-chain switching
- 5 V analog path multiplexing
- 3.3 V analog path multiplexing
- 1.8 V controlled signal switching
- SEL-controlled S1 or S2 selection
Procurement Notes
When requesting a quote for TMUX1247, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What switch configuration does TMUX1247 provide?
TMUX1247 is a 2:1 SPDT analog switch. The extracted truth table states that SEL low connects S1 to D, while SEL high connects S2 to D.
What supply voltage range is recommended for TMUX1247?
The recommended VDD operating range is 1.08 V to 5.5 V. The signal path voltage range on Sx and D pins is specified from 0 V to VDD.
What package is used for the TMUX1247?
TMUX1247 is listed in a 6-pin SC70 DCK package. The nominal body size is 2.00 mm x 1.25 mm, with thermal resistance values specified for the DCK SC70 package.
What are the key 5 V dynamic parameters?
At VDD=5 V, the switch has 12 ns typical channel switching, 8 ns typical break-before-make time, -10 pC typical charge injection, and 250 MHz typical bandwidth under the stated datasheet load conditions.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 7, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.