Specifications
| Type | Description |
|---|---|
| Part Number | TMUX1109 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | PW (TSSOP, 16) 5 mm × 6.4 mm; RSV (QFN, 16) 2.6 mm × 1.8 mm |
| Single Supply Voltage Range | 1.08 V to 5.5 V; recommended operating conditions; source page 4 |
| Dual Negative Supply Voltage Range | -2.75 V to 0 V; recommended operating conditions; source page 4 |
| Supply Rail Voltage Difference | 1.08 V to 5.5 V; VDD - VSS recommended operating condition; source page 4 |
| Signal Path Voltage Range | VSS to VDD; source or drain pins Sx, Dx; source page 4 |
| Logic Control Input Voltage Range | 0 V to 5.5 V; EN, A0, A1 recommended operating condition; source page 4 |
| Operating Ambient Temperature | -40 °C to +125 °C; recommended operating conditions; source page 4 |
| On-Resistance | 1.8 Ω typ, 4 Ω max; VDD = 5 V, VS = 0 V to VDD, ISD = 10 mA, TA = 25 °C; source page 5 |
| On-Resistance | 4.5 Ω max; VDD = 5 V, VS = 0 V to VDD, ISD = 10 mA, TA = -40 °C to +85 °C; source page 5 |
| On-Resistance | 4.9 Ω max; VDD = 5 V, VS = 0 V to VDD, ISD = 10 mA, TA = -40 °C to +125 °C; source page 5 |
| On-Resistance Matching Between Channels | 0.18 Ω typ, 0.4 Ω max; VDD = 5 V, VS = 0 V to VDD, ISD = 10 mA, TA = 25 °C to +85 °C range shown; source page 5 |
| On-Resistance Flatness | 0.85 Ω typ, 1.6 Ω max; VDD = 5 V, VS = 0 V to VDD, ISD = 10 mA; source page 5 |
| Source Off Leakage Current | -0.08 nA min, ±0.005 nA typ, 0.08 nA max; VDD = 5 V, switch off, VD = 4.5 V / 1.5 V, VS = 1.5 V / 4.5 V, TA = 25 °C; source page 5 |
| Drain Off Leakage Current | -0.1 nA min, ±0.01 nA typ, 0.1 nA max; VDD = 5 V, switch off, VD = 4.5 V / 1.5 V, VS = 1.5 V / 4.5 V, TA = 25 °C; source page 5 |
| Channel On Leakage Current | -0.025 nA min, ±0.003 nA typ, 0.025 nA max; VDD = 5 V, switch on, VD = VS = 2.5 V, TA = 25 °C; source page 5 |
| Input Logic High Voltage | 1.49 V min, 5.5 V max; EN, A0, A1, TA = -40 °C to +125 °C; source page 6 |
| Input Logic Low Voltage | 0 V min, 0.87 V max; EN, A0, A1, TA = -40 °C to +125 °C; source page 6 |
| Supply Current | 0.008 µA typ, 1 µA max; VDD = 5 V, logic inputs = 0 V or 5.5 V; source page 6 |
| Transition Time Between Channels | 14 ns typ, 18 ns max; VDD = 5 V, VS = 3 V, RL = 200 Ω, CL = 15 pF, TA = 25 °C to +85 °C range shown; source page 6 |
| Break-Before-Make Time | 8 ns typ, 1 ns min; VDD = 5 V, VS = 3 V, RL = 200 Ω, CL = 15 pF; source page 6 |
| Enable Turn-On Time | 12 ns typ, 19 ns max; VDD = 5 V, VS = 3 V, RL = 200 Ω, CL = 15 pF, TA = 25 °C to +85 °C range shown; source page 6 |
| Enable Turn-Off Time | 6 ns typ, 8 ns max; VDD = 5 V, VS = 3 V, RL = 200 Ω, CL = 15 pF, TA = 25 °C to +85 °C range shown; source page 6 |
| Charge Injection | -1 pC typ; VDD = 5 V, VS = 1 V, RS = 0 Ω, CL = 1 nF, TA = 25 °C; source page 6 |
| Off Isolation | -65 dB typ at 1 MHz; -45 dB typ at 10 MHz; VDD = 5 V, RL = 50 Ω, CL = 5 pF, TA = 25 °C; source page 6 |
| Crosstalk | -90 dB typ at 1 MHz; -80 dB typ at 10 MHz; VDD = 5 V, RL = 50 Ω, CL = 5 pF, TA = 25 °C; source page 6 |
| Bandwidth | 135 MHz typ; VDD = 5 V, RL = 50 Ω, CL = 5 pF, TA = 25 °C; source page 6 |
| ESD Rating HBM | ±2000 V; human body model per ANSI/ESDA/JEDEC JS-001, all pins; source page 4 |
| ESD Rating CDM | ±750 V; charged device model per JEDEC JESD22-C101, all pins; source page 4 |
| Datasheet Status | request_only |
Product Overview
The TMUX1109 is a Texas Instruments dual 4:1 precision multiplexer for Signal_Chain switching. Its recommended single-supply range is 1.08 V to 5.5 V, and the device also supports a dual negative supply range from -2.75 V to 0 V. Source and drain signal pins operate across VSS to VDD, while EN, A0, and A1 logic control inputs are specified from 0 V to 5.5 V.
At VDD = 5 V, the device specifies 1.8 Ω typical on-resistance and 4 Ω maximum at 25 °C, with 4.9 Ω maximum across -40 °C to +125 °C. Channel behavior is further defined by 0.18 Ω typical on-resistance matching, 0.85 Ω typical flatness, low nA-range leakage, and -1 pC typical charge injection.
Package options include PW TSSOP-16 at 5 mm × 6.4 mm and RSV QFN-16 at 2.6 mm × 1.8 mm. Timing and AC parameters include 14 ns typical transition time, 8 ns typical break-before-make time, 135 MHz typical bandwidth, -65 dB typical off isolation at 1 MHz, and -90 dB typical crosstalk at 1 MHz.
Key Features
- Dual 4:1 precision multiplexer signal structure
- 1.08 V to 5.5 V single-supply operation
- Supports -2.75 V to 0 V negative supply
- Signal path range extends from VSS to VDD
- 1.8 Ω typical on-resistance at 5 V
- 0.18 Ω typical channel on-resistance matching
- 135 MHz typical bandwidth at 5 V
- 14 ns typical transition time between channels
- 8 ns typical break-before-make switching time
- 0.008 µA typical supply current at 5 V
- -1 pC typical charge injection performance
- -40 °C to +125 °C ambient operation
Typical Applications
- Precision signal multiplexing
- Dual 4-channel signal routing
- Low-voltage analog switching
- Wide-temperature signal-chain designs
- Fast channel selection circuits
- Low-leakage switched signal paths
- Compact QFN-16 multiplexer layouts
Procurement Notes
When requesting a quote for TMUX1109, 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 supply range does the TMUX1109 support?
The TMUX1109 supports a 1.08 V to 5.5 V single-supply range. It also supports a dual negative supply range from -2.75 V to 0 V, with a recommended VDD minus VSS rail difference of 1.08 V to 5.5 V.
What are the main on-resistance specifications for TMUX1109?
At VDD = 5 V, VS from 0 V to VDD, ISD = 10 mA, and TA = 25 °C, TMUX1109 has 1.8 Ω typical and 4 Ω maximum on-resistance. Across -40 °C to +125 °C, the maximum is 4.9 Ω.
Which packages are specified for the TMUX1109?
The extracted package data lists two options: PW, a 16-pin TSSOP measuring 5 mm × 6.4 mm, and RSV, a 16-pin QFN measuring 2.6 mm × 1.8 mm.
What timing parameters are specified for TMUX1109 switching?
At VDD = 5 V with VS = 3 V, RL = 200 Ω, and CL = 15 pF, the device specifies 14 ns typical transition time, 12 ns typical enable turn-on time, and 6 ns typical enable turn-off time.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 8, 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.