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ISO6521DR

Public Made by Adom

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TEXAS INSTRUMENTS Global Sourcing Parts, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ISO6521DR

TEXAS INSTRUMENTS · Global Sourcing Parts · SOIC-8

ISO6521DR 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 VCC1 power_in Power supply for side 1 (VCC1); supply is 1.71 V to 1.89 V at VCC = 1.8 V and 2.25 V to 5.5 V at VCC = 2.5 V to 5 V.
2 OUTA output Output, channel A.
3 INB input Input, channel B.
4 GND1 power_in Ground connection for VCC1.
5 GND2 power_in Ground connection for VCC2.
6 OUTB output Output, channel B.
7 INA input Input, channel A.
8 VCC2 power_in Power supply for side 2 (VCC2); supply is 1.71 V to 1.89 V at VCC = 1.8 V and 2.25 V to 5.5 V at VCC = 2.5 V to 5 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 VCC1 to GND1 VCC1 -0.5 6 V 4
Supply voltage VCC2 to GND2 VCC2 -0.5 6 V 4
Output current Io -15 15 mA 4
Operating junction temperature TJ 150 °C 4
Storage temperature Tstg -65 150 °C 4
Supply voltage side 1 VCC1 1.71 1.89 V VCC = 1.8 V 4
Supply voltage side 1 VCC1 2.25 5.5 V VCC = 2.5 V to 5 V 4
Supply voltage side 2 VCC2 1.71 1.89 V VCC = 1.8 V 4
Supply voltage side 2 VCC2 2.25 5.5 V VCC = 2.5 V to 5 V 4
UVLO threshold when supply voltage is rising VCC(UVLO+) 1.53 1.71 V 4
UVLO threshold when supply voltage is falling VCC(UVLO-) 1.1 1.41 V 4
High level output current IOH -4 mA VCCO = 5 V 5
High level output current IOH -2 mA VCCO = 3.3 V 5
High level output current IOH -1 mA VCCO = 2.5 V 5
Low level output current IOL 4 mA VCCO = 5 V 5
Low level output current IOL 2 mA VCCO = 3.3 V 5
Low level output current IOL 1 mA VCCO = 2.5 V 5
Data rate DR 0 50 Mbps 5
Ambient temperature TA -40 25 125 °C 5
Functional isolation working voltage (SOIC-8) VIOWM 450 VRMS AC Voltage (sine wave) 5
Functional isolation working voltage (SOIC-8) VIOWM 637 VDC DC Voltage 5
Low-level output voltage VOL 0.4 V IOL = 4 mA; See Figure 6-1 6
Low-level output voltage VOL 0.2 V IOL = 2mA; See Figure 6-1 7
Low-level output voltage VOL 0.1 V IOL = 1mA; See Figure 6-1 8
Low-level output voltage VOL 0.1 V IOL = 1mA; See Figure 6-1 9
High-level input current IIH 10 µA VIH = VCCI at INx 6
High-level input current IIH 10 µA VIH = VCCI at INx 7
High-level input current IIH 10 µA VIH = VCCI at INx 8
High-level input current IIH 10 µA VIH = VCCI at INx 9
Low-level input current IIL -10 µA VIL = 0 V at INx 6
Low-level input current IIL -10 µA VIL = 0 V at INx 7
Low-level input current IIL -10 µA VIL = 0 V at INx 8
Low-level input current IIL -10 µA VIL = 0 V at INx 9
Common mode transient immunity CMTI 100 150 kV/μs VI = VCC or 0 V, VCM = 700V; See Figure 6-3 6
Common mode transient immunity CMTI 100 150 kV/μs VI = VCC or 0 V, VCM = 700V; See Figure 6-3 7
Common mode transient immunity CMTI 100 150 kV/μs VI = VCC or 0 V, VCM = 700V; See Figure 6-3 8
Common mode transient immunity CMTI 100 150 kV/μs VI = VCC or 0 V, VCM = 700V; See Figure 6-3 9
Supply current - DC signal ICC1, ICC2 1.2 2.2 mA VI = VCCI (ISO6521) 6
Supply current - DC signal ICC1, ICC2 2.3 3.5 mA VI = 0 V (ISO6521) 6
Supply current - DC signal ICC1, ICC2 1.2 2.2 mA VI = VCCI (ISO6521) 7
Supply current - DC signal ICC1, ICC2 2.3 3.5 mA VI = 0 V (ISO6521) 7
Supply current - DC signal ICC1, ICC2 1.2 2.2 mA VI = VCCI (ISO6521) 8
Supply current - DC signal ICC1, ICC2 2.3 3.5 mA VI = 0 V (ISO6521) 8
Supply current - DC signal ICC1, ICC2 1.1 2.1 mA VI = VCCI (ISO6521) 9
Supply current - DC signal ICC1, ICC2 2.1 3.4 mA VI = 0 V (ISO6521) 9
Supply current - AC signal ICC1, ICC2 1.9 2.9 mA 1 Mbps; all channels switching, square wave clock input; CL = 15 pF 6
Supply current - AC signal ICC1, ICC2 2.5 3.6 mA 10 Mbps; all channels switching, square wave clock input; CL = 15 pF 6
Supply current - AC signal ICC1, ICC2 5.2 6.7 mA 50 Mbps; all channels switching, square wave clock input; CL = 15 pF 6
Supply current - AC signal ICC1, ICC2 1.8 2.9 mA 1 Mbps; all channels switching, square wave clock input; CL = 15 pF 7
Supply current - AC signal ICC1, ICC2 2.3 3.4 mA 10 Mbps; all channels switching, square wave clock input; CL = 15 pF 7
Supply current - AC signal ICC1, ICC2 4.2 5.5 mA 50 Mbps; all channels switching, square wave clock input; CL = 15 pF 7
Supply current - AC signal ICC1, ICC2 1.8 2.9 mA 1 Mbps; all channels switching, square wave clock input; CL = 15 pF 8
Supply current - AC signal ICC1, ICC2 2.1 3.2 mA 10 Mbps; all channels switching, square wave clock input; CL = 15 pF 8
Supply current - AC signal ICC1, ICC2 3.6 4.9 mA 50 Mbps; all channels switching, square wave clock input; CL = 15 pF 8
Supply current - AC signal ICC1, ICC2 1.6 2.7 mA 1 Mbps; all channels switching, square wave clock input; CL = 15 pF 9
Supply current - AC signal ICC1, ICC2 1.9 3 mA 10 Mbps; all channels switching, square wave clock input; CL = 15 pF 9
Supply current - AC signal ICC1, ICC2 3 4.2 mA 50 Mbps; all channels switching, square wave clock input; CL = 15 pF 9
Junction-to-ambient thermal resistance (D, SOIC-8) RθJA 104.6 °C/W 5

CAD (KiCad official)

  • Symbol: ISO6521DR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: iso6521dr-etched.step / iso6521dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); iso6521dr.step / iso6521dr.glb are the bare package body.

Provenance

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

  • Datasheet: TEXAS INSTRUMENTS datasheet (34 pp, sha256 c55c82616f62bf34, retrieved 2026-10-20, 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