Datasheet

ADS8329
ADS8330
www.ti.com ................................................................................................................................................... SLAS516C – DECEMBER 2006 – REVISED JULY 2009
ELECTRICAL CHARACTERISTICS (continued)
T
A
= – 40 ° C to 85 ° C, +VA = 2.7 V to 3.6 V, +VBD = 1.65 V to 1.5 × (+VA), V
REF
= 2.5 V, f
SAMPLE
= 1 MHz for 3 V ≤ +VA ≤ 3.6 V,
f
SAMPLE
= 900 kHz for 3 V < +VA ≤ 2.7 V using external clock (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER-SUPPLY REQUIREMENTS
+VBD 1.65 +VA 1.5 × (+VA) V
Power-supply
f
s
≤ 1 MHz 3 3.6
voltage
+VA V
f
s
≤ 900 kHz 2.7 3.6
1-MHz sample rate,
5.1 6.1
3 V ≤ +VA ≤ 3.6 V
900-kHz sample rate, mA
4.84
Supply current
2.7 V ≤ +VA ≤ 3 V
NAP/Auto-NAP mode 0.25 0.4
Deep power-down mode 2 50 nA
Buffer I/O supply current 1 MSPS, +VBD = 1.8 V 0.05 mA
+VBD = 1.8 V, 3 V ≤ +VA ≤ 3.6 V 15.5 19
Power dissipation mW
+VBD = 1.8 V, 2.7 V ≤ +VA ≤ 3 V 13.2
TEMPERATURE RANGE
T
A
Operating free-air temperature – 40 +85 ° C
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