ADS7863
www.ti.com
SBAS383–JUNE 2007
RECOMMENDED OPERATING CONDITIONS
Over operating free-air temperature range, unless otherwise noted.
ADS7863
NOM
PARAMETER
MIN
2.7
MAX
5.5
UNIT
Supply voltage, AVDD to AGND
5.0
V
Low voltage levels
Supply voltage, BVDD to BGND
1.65
4.5
3.6
V
5V logic levels
5.0
2.5
5.5
Reference input voltage on REFIN
0.5
2.525
+VREF
+125
V
Analog differential input voltage (CHxx+) – (CHxx–)
Operating ambient temperature range, TA
–VREF
–40
mV
°C
DISSIPATION RATINGS
DERATING FACTOR ABOVE
TA ≤ +25°C
TA = +70°C
TA = +85°C
TA = +125°C
PACKAGE
TA = +25°C
POWER RATING
POWER RATING
POWER RATING
POWER RATING
SSOP-24
10mW/°C
1250mW
800mW
650mW
250mW
QFN-24
(4mm x 4mm)
22mW/°C
2740mW
1750mW
1420mW
540mW
THERMAL CHARACTERISTICS(1)
Over operating free-air temperature range, unless otherwise noted.
PARAMETER
SSOP-24
99.8
QFN-24
UNIT
Low-K thermal resistance
High-K thermal resistance
45.6
33.1
35
θJA
Junction-to-air thermal resistance
°C/W
61.0
θJC
Junction-to-case thermal resistance
Device power dissipation at 5V
23.3
°C/W
PDISS
40
40
mW
(1) Tested in accordance with the Low-K or High-K thermal metric definitions of EIA/JESD51-3 for leaded surface-mount packages.
3
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