DDC316_17 Datasheet, PDF (4/28 Pages) Texas Instruments – 16-Channel, Current-Input Analog-to-Digital Converter

DDC316
SBAS370A – MARCH 2008 – REVISED APRIL 2009......................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
At T_A = +25°C, AVDD = +5V, DVDD = +3.3V, VREF = +4.096V, t_INT = 20µs, Range = 12pC, Format = 16 bits, CLK = 40MHz,
and HI_SPEED Bit = 1, unless otherwise noted.
PARAMETER
POWER-SUPPLY REQUIREMENTS
Analog Power-Supply Voltage (AVDD)
Digital Power-Supply Voltage (DVDD)
Supply Current
Analog Current
Internal Reference Buffer
External Reference Buffer
Digital Current
Total Power Dissipation
Internal Reference Buffer
External Reference Buffer
Per Channel Power Dissipation
Internal Reference Buffer
External Reference Buffer
TEST CONDITIONS
DDC316
MIN
TYP
MAX
4.75
5.0
5.25
3
3.3
3.6
UNIT
V
V
BUFDIS Bit = 0
BUFDIS Bit = 1
DVDD = +3.3V
BUFDIS Bit = 0, DVDD = +3.3V
BUFDIS Bit = 1, DVDD = +3.3V
BUFDIS Bit = 0, DVDD = +3.3V
BUFDIS Bit = 1, DVDD = +3.3V
95
mA
85
mA
5
mA
540
mW
440
640
mW
31
mW/channel
28
40
mW/channel
4
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