Datasheet

ADS1601
www.ti.com SBAS322D –DECEMBER 2004–REVISED OCTOBER 2011
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= –40°C to +85°C, AVDD = 5V, DVDD = IOVDD = 3V, f
CLK
= 20MHz, V
REF
= +3V, V
CM
= +2.7V, and
R
BIAS
= 60kΩ, unless otherwise noted.
ADS1601
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Clock Input
Frequency (f
CLK
) 20 MHz
Duty cycle f
CLK
= 20MHz 45 55 %
Digital Input/Output
V
IH
0.7 × IOVDD IOVDD V
V
IL
DGND 0.3 × IOVDD V
V
OH
I
OH
= 50μA IOVDD – 0.5 V
V
OL
I
OL
= 50μA DGND + 0.5 V
Input leakage DGND < V
DIGIN
< IOVDD ±10 μA
Power-Supply Requirements
AVDD 4.75 5.25 V
DVDD 2.7 3.3 V
IOVDD I
OH
= 50μA 2.7 5.25 V
REFEN = low 65 77 mA
AVDD current (I
AVDD
)
REFEN = high 55 65 mA
DVDD current (I
DVDD
) IOVDD = 3V 15 18 mA
IOVDD current (I
IOVDD
) IOVDD = 3V 3 8 mA
AVDD = 5V, DVDD = 3V, IOVDD = 3V,
330 380 mW
REFEN = high
Power dissipation
PD = low, CLK disabled 10 mW
Temperature Range
Specified –40 +85 °C
Operating –40 +105 °C
Storage –60 +150 °C
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