Datasheet

ADuC841/ADuC842/ADuC843
Rev. 0 | Page 6 of 88
Parameter V
DD
= 5 V V
DD
= 3 V Unit Test Conditions/Comments
POWER REQUIREMENTS
19, 20
Power Supply Voltages
AV
DD
/DV
DD
– AGND 2.7 V min AV
DD
/DV
DD
= 3 V nom
3.6 V max
4.75 V min AV
DD
/DV
DD
= 5 V nom
5.25 V max
Power Supply Currents Normal Mode
21
DV
DD
Current
4
10 4.5 mA typ Core CLK = 2.097 MHz
AV
DD
Current 1.7 1.7 mA max Core CLK = 2.097 MHz
DV
DD
Current 38 12 mA max Core CLK = 16.78MHz/8.38 MHz 5 V/3 V
33 10 mA typ Core CLK = 16.78MHz/8.38 MHz 5 V/3 V
AV
DD
Current 1.7 1.7 mA max Core CLK = 16.78MHz/8.38 MHz 5 V/3 V
DV
DD
Current
4
Power Supply Currents Idle Mode
21
45 N/A mA max
Core CLK = 20MHz ADuC841 Only
DV
DD
Current 4.5 2.2 mA typ Core CLK = 2.097 MHz
AV
DD
Current 3 2 µA typ Core CLK = 2.097 MHz
DV
DD
Current
4
12 5 mA max Core CLK = 16.78MHz/8.38 MHz 5 V/3 V
10 3.5 mA typ Core CLK = 16.78MHz/8.38 MHz 5 V/3 V
AV
DD
Current 3 2 µA typ Core CLK = 16.78MHz/8.38 MHz 5 V/3 V
Power Supply Currents Power-Down Mode
21
Core CLK = any frequency
DV
DD
Current 28
20
18
10
µA max
µA typ
Oscillator Off / TIMECON.1 = 0
AV
DD
Current 2 1 µA typ Core CLK = any frequency
ADuC841 Only
DV
DD
Current
4
3 1 mA max TIMECON.1 = 1
DV
DD
Current
4
50
40
22
15
µA max
µA typ
Core CLK = any frequency
ADuC842/ADuC843 Only
Oscillator On
Typical Additional Power Supply Currents
PSM Peripheral 15 10 µA typ AV
DD
= DV
DD
ADC
4
1.0
2.8
1.0
1.8
mA min
mA max
MCLK Divider = 32
MCLK Divider = 2
DAC 150 130 µA typ
See footnotes on the next page.