Specifications
| Type | Description |
|---|---|
| Part Number | TRS3232E |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | SOIC-16 9.9mm x 6mm; SSOP-16 6.2mm x 7.8mm; SOIC-16 DW 10.3mm x 10.3mm; TSSOP-16 5mm x 6.4mm; VQFN-16 3mm x 3mm; SOT-23-THN-16 4.2mm x 2mm |
| Function | 2 line drivers, 2 line receivers, dual charge-pump circuit |
| Supported Standard | TIA/EIA-232-F and ITU V.28 |
| Supply Voltage Range | 3 V to 5.5 V |
| RS-232 Interoperable Supply Voltage | Down to 2.7 V VCC |
| Maximum Data Rate | 250 kbps |
| Typical Supply Current | 300 uA |
| External Capacitors | 4 x 0.1 uF |
| Logic Input Compatibility | Accepts 5 V logic input with 3.3 V supply |
| HBM ESD Protection | +/-15 kV; RS-232 bus pins / RIN1, RIN2, DOUT1, DOUT2 |
| IEC 61000-4-2 Contact ESD Protection | +/-8 kV; RS-232 bus pins |
| IEC 61000-4-2 Air-Gap ESD Protection | +/-15 kV; RS-232 bus pins |
| Absolute Maximum Supply Voltage VCC | -0.3 V to 6 V; with respect to GND |
| Absolute Maximum Positive Output Supply Voltage V+ | -0.3 V to 7 V; with respect to GND |
| Absolute Maximum Negative Output Supply Voltage V- | 0.3 V to -7 V; with respect to GND |
| Absolute Maximum Supply Voltage Difference V+ - V- | 13 V max; with respect to GND |
| Absolute Maximum Driver Input Voltage | -0.3 V to 6 V; driver inputs |
| Absolute Maximum Receiver Input Voltage | -25 V to 25 V; receiver inputs |
| Absolute Maximum Driver Output Voltage | -13.2 V to 13.2 V; driver outputs |
| Absolute Maximum Receiver Output Voltage | -0.3 V to VCC + 0.3 V; receiver outputs |
| Operating Virtual Junction Temperature | 150 degC max |
| Storage Temperature | -65 degC to 150 degC |
| HBM ESD Rating | +/-2000 V; all pins except RIN1, RIN2, DOUT1, DOUT2; ANSI/ESDA/JEDEC JS-001 |
| HBM ESD Rating | +/-15000 V; pins RIN1, RIN2, DOUT1, DOUT2; ANSI/ESDA/JEDEC JS-001 |
| CDM ESD Rating | +/-1500 V; all pins; JEDEC JESD22-C101 |
| IEC Contact Discharge ESD Rating | +/-8000 V; pins RIN1, RIN2, DOUT1, DOUT2 |
| IEC Air-Gap Discharge ESD Rating | +/-15000 V; pins RIN1, RIN2, DOUT1, DOUT2 |
| Recommended Supply Voltage | 3 V min, 3.3 V nom, 3.6 V max; VCC = 3.3 V operation |
| Recommended Supply Voltage | 4.5 V min, 5 V nom, 5.5 V max; VCC = 5 V operation |
| Driver High-Level Input Voltage | 2 V to 5.5 V; DIN, VCC = 3.3 V |
| Driver High-Level Input Voltage | 2.4 V to 5.5 V; DIN, VCC = 5 V |
| Driver Low-Level Input Voltage | 0 V to 0.8 V; DIN |
| Receiver Input Voltage | -25 V to 25 V; RIN |
| Operating Free-Air Temperature | 0 degC to 70 degC; TRS3232EC |
| Operating Free-Air Temperature | -40 degC to 85 degC; TRS3232EI |
| Supply Current ICC | 0.3 mA typ, 1 mA max; no load, VCC = 3.3 V or 5 V |
| Driver High-Level Output Voltage | 5 V min, 5.4 V typ; DOUT at RL = 3 kohm to GND, DIN = GND |
| Driver Low-Level Output Voltage | -5 V max, -5.4 V typ; DOUT at RL = 3 kohm to GND, DIN = VCC |
| Driver High-Level Input Current | +/-0.01 uA typ, +/-1 uA max; VI = VCC |
| Driver Low-Level Input Current | +/-0.01 uA typ, +/-1 uA max; VI at GND |
| Driver Short-Circuit Output Current | +/-35 mA typ, +/-60 mA max; VCC = 3.6 V or 5.5 V, VO = 0 V |
| Driver Output Resistance | 300 ohm min, 10 Mohm max; VCC, V+, and V- = 0 V, VO = +/-2 V |
| Receiver High-Level Output Voltage | VCC - 0.6 V min, VCC - 0.1 V typ; IOH = -1 mA |
| Receiver Low-Level Output Voltage | 0.4 V max; IOL = 1.6 mA |
| Receiver Positive-Going Input Threshold | 1.5 V min, 2.4 V max; VCC = 3.3 V |
| Receiver Positive-Going Input Threshold | 1.8 V min, 2.4 V max; VCC = 5 V |
| Receiver Negative-Going Input Threshold | 0.6 V min, 1.2 V max; VCC = 3.3 V |
| Receiver Negative-Going Input Threshold | 0.8 V min, 1.5 V max; VCC = 5 V |
| Receiver Input Hysteresis | 0.3 V typ; VIT+ - VIT- |
| Receiver Input Resistance | 3 kohm min, 5 kohm typ, 7 kohm max; VI = +/-3 V to +/-25 V |
| Maximum Data Rate | 250 kbps min, 500 kbps typ; RL = 3 kohm, CL = 1000 pF, RGT package |
| Maximum Data Rate | 150 kbps min, 250 kbps typ; RL = 3 kohm, CL = 1000 pF, D, DB, DW, and PW packages |
| Driver Pulse Skew | 50 ns max; one DOUT switching, RL = 3 kohm, CL = 1000 pF, VCC = 5 V, RGT package |
| Driver Pulse Skew | 300 ns max; RL = 3 kohm to 7 kohm, CL = 150 pF to 2500 pF, D, DB, DW, and PW packages |
| Driver Slew Rate | 6 V/us min, 30 V/us max; transition region, RL = 3 kohm to 7 kohm, VCC = 3.3 V, CL = 150 pF to 1000 pF |
| Driver Slew Rate | 4 V/us min, 30 V/us max; transition region, RL = 3 kohm to 7 kohm, VCC = 3.3 V, CL = 150 pF to 2500 pF |
| Receiver Propagation Delay Low-to-High | 90 ns max; CL = 150 pF, RGT package |
| Receiver Propagation Delay Low-to-High | 300 ns max; CL = 150 pF, D, DB, DW, and PW packages |
| Receiver Propagation Delay High-to-Low | 100 ns max; CL = 150 pF, RGT package |
| Receiver Propagation Delay High-to-Low | 300 ns max; CL = 150 pF, D, DB, DW, and PW packages |
| Receiver Pulse Skew | 20 ns max; RGT package |
| Receiver Pulse Skew | 300 ns max; D, DB, DW, and PW packages |
| Datasheet Status | request_only |
Product Overview
TRS3232E is a Texas Instruments RS-232 line driver receiver for Signal_Chain designs. Its device structure includes 2 line drivers, 2 line receivers, and a dual charge-pump circuit. The device meets or exceeds TIA/EIA-232-F and ITU V.28 requirements and accepts 5 V logic input when operated from a 3.3 V supply.
The operating supply range is 3 V to 5.5 V, with RS-232 interoperability specified down to 2.7 V VCC. Typical supply current is 300 uA, and the electrical table lists ICC at 0.3 mA typical and 1 mA maximum with no load at 3.3 V or 5 V. The device uses 4 x 0.1 uF external capacitors.
Package choices include SOIC-16, SSOP-16, SOIC-16 DW, TSSOP-16, VQFN-16, and SOT-23-THN-16 footprints. RS-232 bus pins have +/-15 kV HBM, +/-8 kV IEC contact, and +/-15 kV IEC air-gap ESD protection ratings.
Key Features
- 2 drivers, 2 receivers, and dual charge-pump circuit
- Meets TIA/EIA-232-F and ITU V.28 requirements
- 3 V to 5.5 V general supply range
- RS-232 interoperable down to 2.7 V VCC
- 250 kbps maximum data rate as general feature
- 300 uA typical supply current in feature summary
- Uses 4 x 0.1 uF external capacitors
- Accepts 5 V logic input with 3.3 V supply
- RS-232 bus pins rated +/-15 kV HBM ESD
- Receiver input range specified from -25 V to 25 V
Typical Applications
- RS-232 driver receiver interfaces
- TIA/EIA-232-F signal conversion
- ITU V.28 interface circuits
- 3.3 V logic to RS-232 links
- 5 V logic to RS-232 links
- Dual-channel serial communication ports
- ESD-protected RS-232 bus connections
Procurement Notes
When requesting a quote for TRS3232E, 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 function does the TRS3232E integrate?
TRS3232E integrates 2 line drivers, 2 line receivers, and a dual charge-pump circuit. It is specified as an RS-232 line driver receiver for Signal_Chain designs.
What supply voltage range does TRS3232E support?
The general operating supply voltage range is 3 V to 5.5 V. Recommended operation is listed as 3 V to 3.6 V for 3.3 V operation and 4.5 V to 5.5 V for 5 V operation.
What ESD ratings apply to the RS-232 bus pins?
The RS-232 bus pins are rated for +/-15 kV HBM protection, +/-8 kV IEC 61000-4-2 contact discharge, and +/-15 kV IEC 61000-4-2 air-gap discharge.
Which package options are listed for TRS3232E?
Listed package options include SOIC-16 9.9mm x 6mm, SSOP-16 6.2mm x 7.8mm, SOIC-16 DW 10.3mm x 10.3mm, TSSOP-16 5mm x 6.4mm, VQFN-16 3mm x 3mm, and SOT-23-THN-16 4.2mm x 2mm.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 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.