6.4 Thermal Information for Single Channel

THERMAL METRIC(1)

OPA992-Q1

UNIT

DBV

(SOT-23)

DCK

(SC70)

5 PINS

5 PINS

RθJA

Junction-to-ambient thermal resistance

185.4

198.1

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

83.9

94.1

°C/W

RθJB

Junction-to-board thermal resistance

52.5

45.3

°C/W

ψJT

Junction-to-top characterization parameter

25.4

16.9

°C/W

ψJB

Junction-to-board characterization parameter

52.1

45.0

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

N/A

N/A

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.5 Thermal Information for Dual Channel

THERMAL METRIC(1)

OPA2992-Q1

UNIT

D

(SOIC)

DGK

(VSSOP)

8 PINS

8 PINS

RθJA

Junction-to-ambient thermal resistance

131.0

174.2

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

73.0

65.9

°C/W

RθJB

Junction-to-board thermal resistance

74.5

95.9

°C/W

ψJT

Junction-to-top characterization parameter

25.0

11.0

°C/W

ψJB

Junction-to-board characterization parameter

73.8

94.4

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

N/A

N/A

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.6 Thermal Information for Quad Channel

THERMAL METRIC(1)

OPA4992-Q1

UNIT

D

(SOIC)

PW

(TSSOP)

14 PINS

14 PINS

RθJA

Junction-to-ambient thermal resistance

99.0

118.8

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

55.1

47.0

°C/W

RθJB

Junction-to-board thermal resistance

54.8

61.9

°C/W

ψJT

Junction-to-top characterization parameter

16.7

5.5

°C/W

ψJB

Junction-to-board characterization parameter

54.4

61.3

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

N/A

N/A

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

www.ti.com

OPA992-Q1, OPA2992-Q1, OPA4992-Q1

SBOSAC9A – AUGUST 2022 – REVISED DECEMBER 2022

Copyright © 2022 Texas Instruments Incorporated

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