43.3 Thermal Specifications

Table 43-3. Thermal Operating Conditions
Rating	Symbol	Min.	Typ	Max.	Unit
Industrial Temperature Devices:
Operating ambient temperature range	T_A	-40	—	+85	°C
Operating junction temperature range	T_J	-40	—	+105	°C
Extended Temperature Range:
Operating ambient temperature range	T_A	-40	—	+125	°C
Operating junction temperature range	T_J	-40	—	+145	°C
Maximum allowed power dissipation	P_DMAX	(T_J – T_A)/ϴ_JA			W

Table 43-4. Thermal Packaging Characteristics
Characteristics	Symbol	Typ	Max.	Unit
Thermal Resistance, 48-pin VQFN (7 mm x 7 mm x 0.9 mm) Package	ϴ_JA	31.6	—	°C/W⁽¹⁾
Thermal Resistance, 32-pin VQFN (5 mm x 5 mm x 1 mm) Package	ϴ_JA	35.1	—	°C/W⁽¹⁾
Note: The junction-to-ambient thermal resistance, ϴ_JA, numbers are achieved by package simulations. JEDEC standard.