Specifications
| Type | Description |
|---|---|
| Part Number | TMUX1574 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | TSSOP-16 5.00 mm x 4.40 mm; UQFN-16 2.60 mm x 1.80 mm; SOT-23-THIN-16 4.20 mm x 2.00 mm |
| Supply Voltage Range | 1.5 to 5.5 V; recommended operating condition, VDD |
| Operating Ambient Temperature | -40 to 125 °C; recommended operating condition, TA |
| On Capacitance | 7.5 pF typ, 12 pF max; VS=2.5 V, VSEL=0 V, f=1 MHz, switch ON |
| Off Capacitance | 3.5 pF typ, 6 pF max; VS=2.5 V, VSEL=0 V, f=1 MHz, switch OFF |
| On Resistance | 2 ohm typ, 4.5 ohm max; VS=0 V to VDD*2, ISD=8 mA, VDD(max)=5.5 V |
| On-Resistance Match Between Channels | 0.07 ohm typ, 0.28 ohm max; VS=VDD, ISD=8 mA |
| On-Resistance Flatness | 1 ohm typ, 1.8 ohm max; VS=0 V to VDD, ISD=8 mA |
| Bandwidth | 2 GHz typ; RL=50 ohm, switch ON |
| Insertion Loss | -0.12 dB typ; RL=50 ohm, f=1 MHz, switch ON |
| Charge Injection | 3.5 pC typ; VS=VDD/2, RS=0 ohm, CL=1 nF, switch ON |
| Off Isolation | -90 dB typ; RL=50 ohm, f=100 kHz, switch OFF |
| Off Isolation | -75 dB typ; RL=50 ohm, f=1 MHz, switch OFF |
| Channel-to-Channel Crosstalk | -90 dB typ; RL=50 ohm, f=100 kHz, switch ON |
| Active Supply Current | 40 uA typ, 68 uA max; VS=0 V to 5.5 V, VSEL=0 V, 1.4 V or VDD |
| Disabled Supply Current | 7.5 uA typ, 15 uA max; VEN=1.4 V or VDD, VS=0 V to 5.5 V |
| Powered-Off I/O Pin Leakage Current | -10 nA min, 0.01 nA typ, 10 nA max; VDD=0 V, VS=0 V to 3 V, VD=0 V, TA=25°C |
| Powered-Off I/O Pin Leakage Current | -2 uA min, 0.01 uA typ, 2 uA max; VDD=0 V, VS=0 V to 3.6 V, VD=0 V |
| Off Leakage Current | -100 nA min, 0.03 nA typ, 100 nA max; switch OFF, VD=0.8*VDD/0.2*VDD, VS=0.2*VDD/0.8*VDD |
| On Leakage Current | -50 nA min, 0.01 nA typ, 50 nA max; switch ON, VD=0.8*VDD/0.2*VDD with S pins floating, or VS=0.8*VDD/0.2*VDD with D pins floating |
| Logic High Input Voltage | 1.2 to 5.5 V; VIH, logic inputs |
| Logic Low Input Voltage | 0 to 0.45 V; VIL, logic inputs |
| Input High Leakage Current | 1 uA typ, ±2 uA max; VSEL=1.8 V, VDD |
| Input Low Leakage Current | 0.2 uA typ, ±2 uA max; VSEL=0 V |
| Internal Pull-Down Resistance | 6 Mohm typ; logic pins SEL and EN |
| Logic Input Capacitance | 3 pF typ; VSEL=0 V, 1.8 V or VDD; f=1 MHz |
| Signal Path Input/Output Voltage | 0 to VDD x 2 V, maximum 5.5 V; recommended operating condition, VDD >= 1.5 V |
| Powered-Off Signal Path Voltage | 0 to 3.6 V; recommended operating condition, VDD < 1.5 V |
| Logic Control Input Voltage | 0 to 5.5 V; recommended operating condition, EN and SEL |
| Absolute Maximum Supply Voltage | -0.5 to 6 V; VDD, over operating free-air temperature range |
| Absolute Maximum Logic Control Input Voltage | -0.5 to 6 V; VSEL or VEN |
| Absolute Maximum Source or Drain Pin Voltage | -0.5 to 6 V; VS or VD |
| Continuous Source/Drain Current | -25 to 25 mA; SxA, SxB, Dx pins |
| Storage Temperature | -65 to 150 °C; Tstg absolute maximum rating |
| Junction Temperature | 150 °C max; TJ absolute maximum rating |
| ESD Rating HBM | ±2000 V; human body model, ANSI/ESDA/JEDEC JS-001 |
| ESD Rating CDM | ±750 V; charged-device model, JEDEC JESD22-C101 |
| Junction-to-Ambient Thermal Resistance | 117.4 °C/W; PW TSSOP-16 package |
| Junction-to-Ambient Thermal Resistance | 123.0 °C/W; DYY SOT-23-THIN-16 package |
| Junction-to-Ambient Thermal Resistance | 129.2 °C/W; RSV UQFN-16 package |
| Switch Configuration | 2:1 SPDT, 4 channels; device description |
| Powered-Off Protection | Up to 3.6 V signals; signal path with VDD=0 V |
| Logic Compatibility | 1.8 V logic compatible; control input thresholds in valid supply voltage range |
| Datasheet Status | request_only |
Product Overview
TMUX1574 is a Texas Instruments Signal_Chain device described as a 4-channel 2:1 SPDT analog switch. Its switch configuration provides four 2:1 SPDT channels, with logic control through EN and SEL inputs. The recommended supply range is 1.5 to 5.5 V, while logic control inputs support 0 to 5.5 V and 1.8 V logic-compatible operation.
For signal routing, TMUX1574 specifies 2 ohm typical on resistance, 0.07 ohm typical on-resistance match between channels, and 1 ohm typical on-resistance flatness. Dynamic parameters include 2 GHz typical bandwidth, -0.12 dB typical insertion loss at 1 MHz, -90 dB typical off isolation at 100 kHz, and -75 dB typical off isolation at 1 MHz.
Package options include TSSOP-16 5.00 mm x 4.40 mm, UQFN-16 2.60 mm x 1.80 mm, and SOT-23-THIN-16 4.20 mm x 2.00 mm. The device operates over -40 to 125 °C ambient temperature, with absolute maximum storage temperature from -65 to 150 °C and a 150 °C maximum junction temperature.
Key Features
- 4-channel 2:1 SPDT analog switch configuration
- 1.5 to 5.5 V recommended supply range
- Signal path supports 0 to VDD x 2 V
- Powered-off signal path supports 0 to 3.6 V
- 2 ohm typical on resistance at 8 mA
- 2 GHz typical bandwidth with 50 ohm load
- -0.12 dB typical insertion loss at 1 MHz
- -90 dB typical crosstalk at 100 kHz
- 1.8 V logic-compatible control input thresholds
- Three 16-pin package options listed
Typical Applications
- Analog signal multiplexing
- Four-channel signal routing
- Low-voltage signal switching
- 1.8 V logic-controlled switching
- Powered-off signal protection paths
- 50 ohm signal path switching
- Compact 16-pin assemblies
Procurement Notes
When requesting a quote for TMUX1574, 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 voltage range does TMUX1574 support?
TMUX1574 has a recommended VDD operating range of 1.5 to 5.5 V. Its logic control inputs are specified from 0 to 5.5 V, and the device is described as 1.8 V logic compatible.
What switch configuration is used in TMUX1574?
TMUX1574 is specified as a 4-channel 2:1 SPDT analog switch. The extracted device description lists the switch configuration as 2:1 SPDT with 4 channels.
Which package options are listed for TMUX1574?
The listed package options are TSSOP-16 measuring 5.00 mm x 4.40 mm, UQFN-16 measuring 2.60 mm x 1.80 mm, and SOT-23-THIN-16 measuring 4.20 mm x 2.00 mm.
What powered-off signal protection is specified?
The extracted facts specify powered-off protection for up to 3.6 V signals on the signal path with VDD=0 V. The recommended powered-off signal path voltage is listed as 0 to 3.6 V when VDD is below 1.5 V.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 25, 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.