SBOS933I February 2019 – August 2021 OPA2990 , OPA4990 , OPA990
PRODUCTION DATA
THERMAL METRIC(1) | OPA4990, OPA4990S | UNIT | ||||
---|---|---|---|---|---|---|
D (SOIC) |
PW (TSSOP) |
RTE(2)
(WQFN) |
RUC (WQFN) |
|||
14 PINS | 14 PINS | 16 PINS | 14 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 105.2 | 134.7 | 53.5 | 143.0 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 61.2 | 55.0 | 58.3 | 46.4 | °C/W |
RθJB | Junction-to-board thermal resistance | 61.1 | 79.0 | 28.6 | 81.8 | °C/W |
ψJT | Junction-to-top characterization parameter | 21.4 | 9.2 | 2.1 | 1.0 | °C/W |
ψJB | Junction-to-board characterization parameter | 60.7 | 78.1 | 28.6 | 81.5 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | 12.6 | N/A | °C/W |