Specifications
| Type | Description |
|---|---|
| Part Number | TS5A4594 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | 5-pin SOT-23 (DBV) or 5-pin SC-70 (DCK) |
| Switch Configuration | Single-pole single-throw (SPST), normally open |
| Number of Channels | 1 |
| Recommended Supply Voltage Range | 2 to 5.5 V |
| Control Input Tolerance | 5.5 V tolerant |
| Function Table - Logic Low | OFF |
| Function Table - Logic High | ON |
| ON-State Resistance | Typ 5 Ω, Max 10 Ω |
| ON-State Resistance Flatness | Typ 0.5 Ω, Max 1.5 Ω at 25°C; Max 2 Ω full range |
| NO OFF Leakage Current | Typ 0.01 nA, Max ±0.5 nA at 25°C; Max ±5 nA full range |
| COM OFF Leakage Current | Typ 0.01 nA, Max ±0.5 nA at 25°C; Max ±5 nA full range |
| NO ON Leakage Current | Typ 0.01 nA, Max ±1 nA at 25°C; Max ±10 nA full range |
| COM ON Leakage Current | Typ 0.01 nA, Max ±1 nA at 25°C; Max ±10 nA full range |
| Input Logic High Voltage | Min 2.4 V, Max 5.5 V |
| Input Logic Low Voltage | Min 0 V, Max 0.8 V |
| Digital Input Leakage Current | Typ 0.01 µA, Max ±0.5 µA at 25°C; Max ±5 µA full range |
| Turn-On Time | Typ 12 ns, Max 17 ns at 25°C; Max 19 ns full range |
| Turn-Off Time | Typ 9 ns, Max 14 ns at 25°C; Max 17 ns full range |
| Charge Injection | Typ 2 pC, Max 5 pC |
| NO OFF Capacitance | Typ 6.5 pF |
| COM OFF Capacitance | Typ 6.5 pF |
| NO ON Capacitance | Typ 13 pF |
| COM ON Capacitance | Typ 13 pF |
| Digital Input Capacitance | Typ 3 pF |
| Bandwidth | Typ 450 MHz |
| OFF Isolation | Typ -82 dB |
| Total Harmonic Distortion | Typ 0.04% |
| Positive Supply Current | Typ 0.01 µA, Max 0.25 µA at 25°C; Max 1 µA full range |
| ON-State Resistance at 3-V Supply | Typ 9.5 Ω, Max 16 Ω at 25°C; Max 20 Ω full range |
| ON-State Resistance Flatness at 3-V Supply | Typ 1.8 Ω, Max 6 Ω at 25°C; Max 7 Ω full range |
| Input Logic High Voltage at 3-V Supply | Min 2 V, Max 5.5 V |
| Input Logic Low Voltage at 3-V Supply | Min 0 V, Max 0.8 V |
| Digital Input Leakage Current at 3-V Supply | Typ 0.01 nA, Max ±0.5 nA at 25°C; Max ±5 nA full range |
| Turn-On Time at 3-V Supply | Typ 20 ns, Max 30 ns at 25°C; Max 35 ns full range |
| Turn-Off Time at 3-V Supply | Typ 15 ns, Max 25 ns at 25°C; Max 30 ns full range |
| Charge Injection at 3-V Supply | Typ 1 pC, Max 4 pC |
| Bandwidth at 3-V Supply | Typ 450 MHz |
| OFF Isolation at 3-V Supply | Typ -82 dB |
| Total Harmonic Distortion at 3-V Supply | Typ 0.09% |
| Positive Supply Current at 3-V Supply | Typ 0.01 µA, Max 0.25 µA at 25°C; Max 0.5 µA full range |
| Absolute Maximum Supply Voltage | -0.3 to 6 V |
| Absolute Maximum Analog Voltage Range | -0.3 to V+ + 0.3 V |
| Analog Port Diode Current | -50 mA |
| On-State Switch Current | -20 to 20 mA |
| Pulsed On-State Switch Current | -40 to 40 mA |
| Digital Input Voltage Range | -0.3 to 6 V |
| Digital Input Clamp Current | -50 mA |
| Continuous Current Through V+ | 100 mA |
| Continuous Current Through GND | -100 mA |
| Package Thermal Impedance - DBV | 206 °C/W |
| Package Thermal Impedance - DCK | 252 °C/W |
| Storage Temperature Range | -65 to 150 °C |
| Operating Free-Air Temperature Range | -40 to 85 °C |
| ESD Human-Body Model | 2000 V |
| ESD Charged-Device Model | 1000 V |
| Latch-Up Performance | Exceeds 100 mA |
| Datasheet Status | request_only |
Product Overview
At 5 V operating conditions, the TS5A4594 provides 5 Ω typical and 10 Ω maximum on-state resistance, with 0.5 Ω typical on-state resistance flatness. Dynamic specifications include 12 ns typical turn-on time, 9 ns typical turn-off time, 2 pC typical charge injection, 450 MHz typical bandwidth, and -82 dB typical off isolation. Audio-band distortion is specified as 0.04% typical at 5 V with a 20 Hz to 20 kHz source condition.
At 3 V operating conditions, the switch has 9.5 Ω typical on-state resistance, 20 ns typical turn-on time, 15 ns typical turn-off time, 1 pC typical charge injection, 450 MHz typical bandwidth, and 0.09% typical total harmonic distortion. The device is offered in 5-pin SOT-23 (DBV) and 5-pin SC-70 (DCK) packages for compact signal-chain layouts, with an operating free-air temperature range of -40 to 85 °C.
Key Features
- Single-channel normally open SPST analog switch
- 2 to 5.5 V single-supply operation
- 5.5 V tolerant digital control input
- Logic low turns switch off
- Logic high turns switch on
- 5 Ω typical on-state resistance at 4.5 V
- 450 MHz typical bandwidth at 3 V and 5 V
- -82 dB typical off isolation at 1 MHz
- 12 ns typical turn-on time at 5 V
- 9 ns typical turn-off time at 5 V
- 0.04% typical THD at 5 V audio-band conditions
- 5-pin SOT-23 or SC-70 package options
Typical Applications
- Analog signal path switching
- Audio-band signal routing
- Low-leakage analog switching
- Compact signal-chain designs
- 3 V or 5 V logic-controlled systems
- Wideband 50 Ω signal switching
- Normally open switch control
Procurement Notes
When requesting a quote for TS5A4594, 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 type of switch is the TS5A4594?
The TS5A4594 is a Texas Instruments single-pole single-throw analog switch. It has one channel and is normally open, with the NO-to-COM or COM-to-NO path off at logic low and on at logic high.
What supply voltage range does the TS5A4594 support?
The recommended single-supply operating range is 2 to 5.5 V. The extracted electrical characteristics include separate 5 V and 3 V operating conditions, with logic-high thresholds of 2.4 V at 5 V supply and 2 V at 3 V supply.
What packages are available for this device?
The TS5A4594 is specified in 5-pin SOT-23, package code DBV, or 5-pin SC-70, package code DCK. The listed thermal impedance is 206 °C/W for DBV and 252 °C/W for DCK.
What are the key dynamic switching specifications?
At 5 V conditions, turn-on time is 12 ns typical and turn-off time is 9 ns typical. At 3 V conditions, turn-on time is 20 ns typical and turn-off time is 15 ns typical, with 450 MHz typical bandwidth at both supply 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.