Datasheet

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ELECTRICAL CHARACTERISTICS: Power Supplies
SRC4382
SBFS030C – JANUARY 2006 – REVISED SEPTEMBER 2007
All specifications are at T
A
= +25C, VDD18 = +1.8V, VDD33 = +3.3V, VIO = +3.3V, and VCC = +3.3V, unless otherwise noted.
SRC4382
PARAMETER CONDITIONS MIN TYP MAX UNITS
POWER SUPPLIES
Recommended Supply Voltage Range
VDD18 +1.65 +1.8 +1.95 V
VDD33 +3.0 +3.3 +3.6 V
VIO +1.65 +3.3 +3.6 V
VCC +3.0 +3.3 +3.6 V
Supply Current: Initial Startup All Blocks Powered Down by Default
IDD18S VDD18 = +1.8V 90 μ A
IDD33S VDD33 = +3.3V 1 μ A
IIOS VIO = +3.3V 270 μ A
ICCS VCC = +3.3V 1 μ A
Supply Current: Quiescent All Blocks Powered Up with No Clocks Applied
IDD18Q VDD18 = +1.8V 3.1 mA
IDD33Q VDD33 = +3.3V 0.5 mA
IIOQ VIO = +3.3V 0.27 mA
ICCQ VCC = +3.3V 6.6 mA
Supply Current: Dynamic All Blocks Powered Up, f
S
= 48kHz
IDD18D VDD18 = +1.8V 23 mA
IDD33D VDD33 = +3.3V 14 mA
IIOD
(1)
VIO = +3.3V 43 mA
ICCD VCC = +3.3V 8 mA
Supply Current: High Sampling Rate All Blocks Powered Up, f
S
= 192kHz
IDD18H VDD18 = +1.8V 58 mA
IDD33H VDD33 = +3.3V 15 mA
IIOH
(1)
VIO = +3.3V 44 mA
ICCH VCC = +3.3V 8 mA
Total Power Dissipation: Initial Startup All Blocks Powered Down by Default 1 mW
Total Power Dissipation: Quiescent All Blocks Powered Up with No Clocks Applied 30 mW
Total Power Dissipation: Dynamic All Blocks Powered Up, f
S
= 48kHz 256 mW
Total Power Dissipation: High Sampling Rate All Blocks Powered Up, f
S
= 192kHz 326 mW
(1) The typical VIO supply current is measured using the SRC4382EVM evaluation module with loading from the DAIMB mother-board
circuitry. VIO supply current will be dependent upon the loading on the logic output pins.
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