OPA171-Q1, OPA2171-Q1, OPA4171-Q1
SBOS556D – JUNE 2011 – REVISED AUGUST 2020
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6.4 Thermal Information — OPA171-Q1 and OPA2171-Q1
OPA171-Q1
OPA2171-Q1
THERMAL METRIC(1)
DBV (SOT-23)
5 PINS
277.3
D (SOIC)
DGK (VSSOP)
8 PINS
186.5
UNIT
8 PINS
116.1
69.8
RθJA
RθJC(top)
RθJB
ψJT
Junction-to-ambient thermal resistance
Junction-to-case(top) thermal resistance
Junction-to-board thermal resistance
°C/W
°C/W
°C/W
°C/W
°C/W
193.3
78
121.2
56.6
107.8
Junction-to-top characterization parameter
Junction-to-board characterization parameter
51.8
22.5
15.6
ψJB
109.5
56.1
106.2
(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 — OPA4171-Q1
OPA4171-Q1
THERMAL METRIC(1)
D (SOIC)
14 PINS
93.2
PW (TSSOP)
14 PINS
106.9
UNIT
RθJA
RθJC(top)
RθJB
ψJT
Junction-to-ambient thermal resistance
Junction-to-case(top) thermal resistance
Junction-to-board thermal resistance
°C/W
°C/W
°C/W
°C/W
°C/W
51.8
24.4
49.4
59.3
Junction-to-top characterization parameter
Junction-to-board characterization parameter
13.5
0.6
ψJB
42.2
54.3
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
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