User Manual

Jennic
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Jennic
© Jennic 2008 JN-DS-JN5139 v1.5 51
17.2.2 DC Current Consumption
VDD = 2.2 to 3.6V, -40 to +85º C
17.2.2.1 Active Processing
Mode: Min Typ Max Unit Notes
CPU processing
2.85 +
0.295/MHz
4.5 +
0.480/MHz
mA SPI, DIOs enabled
Radio transmit
[boost mode]
38
[42]
50
[55]
mA
CPU in software doze – radio
transmitting
Radio receive
[boost mode]
37
[40]
48
[53]
mA
CPU in software doze – radio in
receive mode
The following current figures should be added to those above if the feature is being used
ADC 655 µA
Temperature sensor and battery
measurements require ADC
DAC 215 / 235 µA One / both
Comparator 67.5
[1.2]
µA Fast response time
[low-power]
UART 95 µA For each UART
Timer 65 µA For each Timer
2-wire serial interface 75 µA
17.2.2.2 Sleep Mode
Mode: Min Typ Max Unit Notes
Sleep mode with I/O wakeup
(Waiting on I/O event)
0.1 µA
Sleep mode with I/O and timer
wakeup – measured at 25ºC
1.2 2.5 µA
As above but also waiting on timer
event. If both wakeup timers are
enabled then add another 0.3µA
The following current figures should be added to those above if the feature is being used
RAM retention – measured at
25ºC
2.4 10 µA For full 96kB retained.
Comparator (low-power mode) 1.2 µA Reduced response time.
17.2.2.3 Deep Sleep Mode
Mode: Min Typ Max Unit Notes
Deep sleep mode – measured
at 25ºC
60 250 nA
Waiting on chip RESET or I/O
event.