Specifications
| Type | Description |
|---|---|
| Part Number | THVD1505 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | SOIC-8, body size 4.90 mm x 3.91 mm |
| Supply Voltage | 4.5-5.5 V; Recommended operating condition; source page 4 |
| Nominal Supply Voltage | 5 V; Recommended operating condition; source page 4 |
| Maximum Supply Voltage | -0.5 to 7 V; Absolute maximum rating; source page 3 |
| Logic Pin Input Voltage | -0.3 to 5.7 V; Absolute maximum rating, D/DE/RE pins; source page 3 |
| Bus Pin Voltage | -18 to 18 V; Absolute maximum rating, A or B inputs as differential or common-mode with respect to GND; source page 3 |
| Receiver Output Current | -24 to 24 mA; Absolute maximum rating; source page 3 |
| Junction Temperature | 170 °C; Absolute maximum rating; source page 3 |
| Storage Temperature | -65 to 150 °C; Absolute maximum rating; source page 3 |
| HBM ESD Protection | ±16000 V; Bus terminals and GND, ANSI/ESDA/JEDEC JS-001; source page 3 |
| HBM ESD Protection | ±4000 V; All other pins, ANSI/ESDA/JEDEC JS-001; source page 3 |
| CDM ESD Protection | ±1500 V; JEDEC JESD22-C101; source page 3 |
| Machine Model ESD Protection | ±400 V; JEDEC JESD22-A115-A; source page 3 |
| IEC ESD Contact Discharge | ±8000 V; IEC 61000-4-2, bus terminals and GND; source page 4 |
| IEC ESD Air-Gap Discharge | ±8000 V; IEC 61000-4-2, bus terminals and GND; source page 4 |
| Fast Transient Burst Protection | ±2000 V; IEC 61000-4-4 EFT, bus terminals and GND; source page 4 |
| Differential Input Voltage | -12 to 12 V; Recommended operating condition; source page 4 |
| Bus Terminal Input Voltage | -7 to 12 V; Recommended operating condition; source page 4 |
| High-Level Logic Input Voltage | 2 V to VCC; Driver, driver-enable, and receiver-enable inputs; source page 4 |
| Low-Level Logic Input Voltage | 0 to 0.8 V; Driver, driver-enable, and receiver-enable inputs; source page 4 |
| Driver Output Current | -60 to 60 mA; Recommended operating condition; source page 4 |
| Receiver Output Current | -8 to 8 mA; Recommended operating condition; source page 4 |
| Differential Load Resistance | 54 to 60 Ω; Recommended operating condition; source page 4 |
| Signaling Rate | 0.3 to 1000 kbps; Recommended operating condition; source page 4 |
| Operating Junction Temperature | -40 to 150 °C; Recommended operating condition; source page 4 |
| Operating Ambient Temperature | -40 to 125 °C; Recommended operating condition; source page 4 |
| Junction-to-Ambient Thermal Resistance | 125.3 °C/W; SOIC-8 package; source page 4 |
| Junction-to-Case Top Thermal Resistance | 67.6 °C/W; SOIC-8 package; source page 4 |
| Junction-to-Board Thermal Resistance | 68.6 °C/W; SOIC-8 package; source page 4 |
| Junction-to-Top Characterization Parameter | 20.4 °C/W; SOIC-8 package; source page 4 |
| Junction-to-Board Characterization Parameter | 67.8 °C/W; SOIC-8 package; source page 4 |
| Driver Differential Output Voltage Magnitude | 1.5 V min, 2.5 V typ; Vtest from -7 to +12 V, Figure 7; source page 5 |
| Driver Differential Output Voltage Magnitude | 1.5 V min, 2.5 V typ; RL=54 Ω RS-485, CL=50 pF, Figure 8; source page 5 |
| Driver Differential Output Voltage Magnitude | 2 V min, 3 V typ; RL=100 Ω RS-422, CL=50 pF; source page 5 |
| Change in Driver Differential Output Voltage Magnitude | -50 to 50 mV; RL=54 Ω, CL=50 pF, Figure 8; source page 5 |
| Steady-State Common-Mode Output Voltage | 1 V min, VCC/2 typ, 3 V max; Driver output; source page 5 |
| Change in Differential Driver Common-Mode Output Voltage | -50 to 50 mV; RL=54 Ω, CL=50 pF, Figure 8; source page 5 |
| Peak-to-Peak Driver Common-Mode Output Voltage | 250 mV max; Driver output; source page 5 |
| Driver Short-Circuit Output Current | 150 mA max; DE=VCC, -7 V <= VA or VB <= 12 V, or A pin shorted to B; source page 5 |
| Differential Output Capacitance | 8 pF typ; Driver output; source page 5 |
| Bus Input Current | 75 µA min, 110 µA max; VI=12 V, DE=0 V, VCC=0 V or 5.5 V; source page 5 |
| Bus Input Current | -90 µA min, -70 µA max; VI=-7 V, DE=0 V, VCC=0 V or 5.5 V; source page 5 |
| Bus Input Impedance | 96 kΩ typ; VA=-7 V, VB=12 V and VA=12 V, VB=-7 V, Figure 12; source page 5 |
| Positive-Going Receiver Differential Input Threshold | 60 mV min, 100 mV max; Receiver input; source page 5 |
| Negative-Going Receiver Differential Input Threshold | -100 mV min, -60 mV max; Receiver input; source page 5 |
| Receiver Differential Input Voltage Threshold Hysteresis | 40 mV min, 120 mV typ; VIT+ - VIT-; source page 5 |
| Receiver High-Level Output Voltage | 4 V min, VCC-0.3 V max; IOH=-8 mA; source page 5 |
| Receiver Low-Level Output Voltage | 0.2 V typ, 0.4 V max; IOL=8 mA; source page 5 |
| Receiver High-Impedance Output Current | -1 to 1 µA; VO=0 V or VCC, RE=VCC; source page 5 |
| Receiver Output Short-Circuit Current | 95 mA typ; RE=0, DE=0, Figure 13; source page 5 |
| Logic Input Current | -2 to 2 µA; D, DE, RE inputs; source page 5 |
| Supply Current | 820 µA typ, 1100 µA max; Driver and receiver enabled, DE=VCC, RE=0, no load; source page 5 |
| Supply Current | 520 µA typ, 660 µA max; Driver enabled, receiver disabled, DE=VCC, RE=VCC, no load; source page 5 |
| Supply Current | 520 µA typ, 660 µA max; Driver disabled, receiver enabled, DE=0, RE=0, no load; source page 5 |
| Standby Supply Current | 0.03 µA typ, 1 µA max; Driver and receiver disabled, DE=0, RE=VCC, no load; source page 5 |
| Power Dissipation | 120 mW; Driver and receiver enabled, VCC=5.5 V, TA=125 °C, 50% duty-cycle square-wave at maximum signaling rate, unterminated RL=300 Ω, CL=50 pF; source page 6 |
| Power Dissipation | 160 mW; Driver and receiver enabled, VCC=5.5 V, TA=125 °C, 50% duty-cycle square-wave at maximum signaling rate, RS-422 load RL=100 Ω, CL=50 pF; source page 6 |
| Power Dissipation | 200 mW; Driver and receiver enabled, VCC=5.5 V, TA=125 °C, 50% duty-cycle square-wave at maximum signaling rate, RS-485 load RL=54 Ω, CL=50 pF; source page 6 |
| Driver Differential Output Rise and Fall Times | 100 ns min, 115 ns typ, 300 ns max; Figure 9; source page 6 |
| Driver Propagation Delay | 90 ns typ, 350 ns max; Figure 9; source page 6 |
| Driver Pulse Skew | 25 ns typ, 40 ns max; |tPHL - tPLH|, Figure 9; source page 6 |
| Driver Disable Time | 70 ns typ, 160 ns max; Figures 10 and 11; source page 6 |
| Driver Enable Time | 220 ns typ, 400 ns max; Receiver enabled, Figures 10 and 11; source page 6 |
| Driver Enable Time | 1.5 µs typ, 3 µs max; Receiver disabled, Figures 10 and 11; source page 6 |
| Receiver Output Rise and Fall Times | 6 ns typ, 30 ns max; Figure 14; source page 6 |
| Receiver Propagation Delay Time | 80 ns typ, 120 ns max; Figure 14; source page 6 |
| Receiver Pulse Skew | 2 ns typ, 7 ns max; |tPHL - tPLH|, Figure 14; source page 6 |
| Receiver Disable Time | 15 ns typ, 30 ns max; Figure 15; source page 6 |
| Receiver Enable Time | 180 ns typ, 370 ns max; Driver enabled, Figure 15; source page 6 |
| Receiver Enable Time | 1 µs typ, 5 µs max; Driver disabled, Figure 16; source page 6 |
| Bus Fail-Safe Time | 25 ms min, 35 ms typ, 45 ms max; Driver disabled, Figure 17; source page 6 |
| Bus Polarity Correction Time | within 45 ms; After hot plug-in during bus idling; source page 1 |
| Maximum Bus Nodes | Up to 256 nodes; 1/8 unit load; source page 1 |
| Driver Data Input Pull-Up | 5 MΩ internal pull-up; D pin; source page 3 |
| Driver Enable Pull-Down | 5 MΩ internal pull-down; DE pin, active high; source page 3 |
| Receiver Enable Pull-Up | 5 MΩ internal pull-up; RE pin, active low; source page 3 |
| Datasheet Status | request_only |
Product Overview
THVD1505 is a Texas Instruments RS-485 half-duplex transceiver categorized under Signal_Chain. It is specified for a recommended 4.5 V to 5.5 V supply range with 5 V nominal operation, and supports a 0.3 to 1000 kbps signaling rate for differential bus communication.
The device uses an SOIC-8 package with a 4.90 mm x 3.91 mm body size. Recommended bus operating limits include -7 V to 12 V terminal input voltage and -12 V to 12 V differential input voltage. Receiver thresholds are specified at 60 mV to 100 mV positive-going and -100 mV to -60 mV negative-going, with 40 mV minimum hysteresis.
System-level parameters include up to 256 nodes with a 1/8 unit load, 54 Ω to 60 Ω differential load resistance, and operating ambient temperature from -40 °C to 125 °C. Protection ratings include ±16000 V HBM on bus terminals and GND, plus IEC 61000-4-2 ±8000 V contact and air-gap discharge on bus terminals and GND.
Key Features
- RS-485 half-duplex transceiver function
- 4.5 V to 5.5 V recommended supply
- 0.3 to 1000 kbps signaling rate
- Up to 256 nodes with 1/8 unit load
- -40 °C to 125 °C ambient operation
- ±16000 V HBM protection on bus terminals
- IEC 61000-4-2 ±8000 V bus discharge rating
- Bus polarity correction within 45 ms
- 0.03 µA typical standby supply current
- SOIC-8 package, 4.90 mm x 3.91 mm body
Typical Applications
- RS-485 half-duplex bus links
- Multi-node differential networks
- 5 V industrial serial interfaces
- RS-422 load configurations
- Bus-idle hot plug systems
- Signal-chain differential communication
Procurement Notes
When requesting a quote for THVD1505, 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 is specified for THVD1505 operation?
THVD1505 is specified for a recommended operating supply voltage from 4.5 V to 5.5 V, with 5 V listed as the nominal supply voltage in the extracted datasheet facts.
What signaling rate does the THVD1505 support?
The recommended operating condition lists a signaling rate from 0.3 to 1000 kbps. Timing facts include 90 ns typical driver propagation delay and 80 ns typical receiver propagation delay time.
What package is used for the THVD1505?
The extracted package information identifies an SOIC-8 package with a body size of 4.90 mm x 3.91 mm. Thermal values are specified for the SOIC-8 package, including 125.3 °C/W junction-to-ambient resistance.
How many bus nodes are supported by THVD1505?
The extracted facts specify up to 256 nodes when used as a 1/8 unit load device. The recommended differential load resistance is listed as 54 Ω to 60 Ω.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 21, 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.