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THVD1406DR

TEXAS INSTRUMENTS · Global Sourcing Parts · SOIC-8

THVD1406DR from TEXAS INSTRUMENTS, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 R output Receiver data output; recommended receiver output current is -8 mA to 8 mA.
2 RE input Receiver enable, active low, with an internal 2-MΩ pull-up; logic input VIH is 2 V min and VIL is 0.8 V max.
3 SHDN input Shutdown enable, active low, with an internal 2-MΩ pull-up; logic input VIH is 2 V min and VIL is 0.8 V max.
4 D input Driver data input; logic input VIH is 2 V min and VIL is 0.8 V max.
5 GND power_in Device ground.
6 A bidirectional Bus I/O port A, complementary to B; bus terminals withstand ±16-V bus fault and recommended input voltage is -7 V to 12 V.
7 B bidirectional Bus I/O port B, complementary to A; bus terminals withstand ±16-V bus fault and recommended input voltage is -7 V to 12 V.
8 VCC power_in Supply pin, 3-V to 5.5-V supply for the device; recommended VCC is 3 V to 5.5 V and absolute maximum is 7 V.

Key specifications

Parameter Value
Manufacturer TEXAS INSTRUMENTS
Package SOIC-8
Category Global Sourcing Parts
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage (absolute maximum) VCC -0.5 7 V 4
Input voltage at any logic pin (D, SHDN or RE) VL -0.3 5.7 V 4
Voltage at A or B inputs VA, VB -16 16 V 4
Receiver output current IO -24 24 mA 4
Junction temperature TJ 170 °C 4
Storage temperature TSTG -65 150 °C 4
Supply voltage VCC 3 5 5.5 V 4
Differential input voltage VID -12 12 V 4
Input voltage at any bus terminal VI -7 12 V 4
High-level input voltage (D, SHDN, RE) VIH 2 5.5 V 4
Low-level input voltage (D, SHDN, RE) VIL 0 0.8 V 4
Driver output current IO -60 60 mA Driver 4
Receiver output current IO -8 8 mA Receiver 4
Differential load resistance RL 54 60 Ω 4
Signaling rate THVD1406 1/tUI 500 kbps THVD1406 4
Junction temperature TJ -40 150 °C 4
Operating ambient temperature TA -40 125 °C 4
Thermal shutdown threshold (temperature rising) TSHDN 150 170 °C 4
Driver differential-output voltage magnitude /VOD/ 1.5 2 V RL = 60 Ω, -7 V ≤ Vtest ≤ 12 V 6
Driver differential-output voltage magnitude /VOD/ 2.1 3 V RL = 60 Ω, -7 V ≤ Vtest ≤ 12 V, 4.5 V ≤ VCC ≤ 5.5 V 6
Driver differential-output voltage magnitude /VOD/ 2 2.5 V RL = 100 Ω, CL = 50 pF, see Figure 7-2 6
Change in magnitude of driver differential-output voltage Δ/VOD/ -50 50 mV RL = 54 Ω or 100 Ω, CL = 50 pF, see Figure 7-2 6
Steady-state common-mode output voltage VOC(SS) 1 3 V 6
Change in differential driver common-mode output voltage ΔVOC -50 50 mV 6
Peak-to-peak driver common-mode output voltage VOC(PP) 200 mV RL = 54 Ω or 100 Ω, CL = 50 pF, VCC = 3.3 V, see Figure 7-2 6
Driver short-circuit output current /IOS/ -250 250 mA -7 V ≤ [VA or VB] ≤ 12 V, or A pin shorted to B pin 6
Bus input current (driver disabled) II 75 100 µA VCC = 0 V or 5.5 V, VI = 12 V 6
Bus input current (driver disabled) II -97 -70 µA VCC = 0 V or 5.5 V, VI = -7 V 6
Positive-going receiver differential-input voltage threshold VIT+ -70 -45 mV -7 V ≤ VCM ≤ 12 V 6
Negative-going receiver differential-input voltage threshold VIT- -200 -150 mV 6
Receiver differential-input voltage threshold hysteresis VHYS 30 50 mV VIT+ - VIT- 6
Receiver low-level output voltage VOL 0.2 0.4 V IOL = 4 mA 6
Receiver high-impedance output current IOZ -1 1 µA VO = 0 V or VCC, RE = VCC 6
Input current (D, SHDN, RE) IIN -5 5 µA 6
Supply current (quiescent), driver and receiver enabled ICC 1500 1800 µA VCC = 3.6 V, SHDN = VCC, RE = 0, D = 0, no load 6
Supply current (quiescent), driver enabled, receiver disabled ICC 1000 1500 µA VCC = 3.6 V, SHDN = VCC, RE = VCC, D = 0, no load 6
Supply current (quiescent), driver and receiver disabled ICC 2 4.1 µA VCC = 3.6 V, SHDN = 0, no load 6
Supply current (quiescent), driver and receiver enabled ICC 1700 3000 µA VCC = 5.5 V, SHDN = VCC, RE = 0, D = 0, no load 6
Supply current (quiescent), driver enabled, receiver disabled ICC 1300 2500 µA VCC = 5.5 V, SHDN = VCC, RE = VCC, D = 0, no load 6
Supply current (quiescent), driver and receiver disabled ICC 3 6.9 µA VCC = 5.5 V, SHDN = 0, no load 6
Driver differential output rise and fall times tr, tf 200 300 600 ns See Figure 7-3 7
Driver propagation delay tPHL, tPLH 275 500 ns 7
Driver pulse skew tSK(P) 10 ns /tPHL - tPLH/ 7
Driver disable time tPHZ, tPLZ 80 200 ns See Figure 7-4 and Figure 7-5 7
Driver enable time tPZH, tPZL 200 650 ns Receiver enabled 7
Driver enable time tPZH, tPZL 5 10 µs Receiver disabled 7
Driver active time in auto-direction mode tdevice_auto-dir 4 8 14 µs SHDN high and D switches from low to high, Figure 7-8 7
Receiver output rise and fall times tr, tf 6 20 ns See Figure 7-6 7
Receiver propagation delay time tPHL, tPLH 40 110 ns 7
Receiver pulse skew tSK(P) 7 ns /tPHL - tPLH/ 7
Receiver disable time tPHZ, tPLZ 15 60 ns See Figure 7-7 7
Receiver enable time tPZL, tPZH 80 150 ns Driver enabled, See Figure 7-7 7
Junction-to-ambient thermal resistance (SOIC, D) RθJA 126 °C/W 5
Junction-to-case (top) thermal resistance (SOIC, D) RθJC(top) 66.2 °C/W 5
Junction-to-board thermal resistance (SOIC, D) RθJB 69.4 °C/W 5
Junction-to-top characterization parameter (SOIC, D) ψJT 18.7 °C/W 5
Junction-to-board characterization parameter (SOIC, D) ψJB 68.7 °C/W 5

CAD (KiCad official)

  • Symbol: THVD1406DR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: thvd1406dr-etched.step / thvd1406dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); thvd1406dr.step / thvd1406dr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: TEXAS INSTRUMENTS datasheet (32 pp, sha256 8bfffd15766380a5, retrieved 2026-10-21, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF