Rainbow Electronics RF12 - Manual (Page 8)

RF12
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Pin 6 Pin 7
Transmit mode el=0 in Configuration Setting Command TX Data input -
Transmit mode el=1 in Configuration Setting Command Connect to logic high -
Receive mode ef=0 in Configuration Setting Command RX Data output RX Data clock output
Receive mode ef=1 in Configuration Setting Command nFFS input FFIT output
GENERAL DEVICE SPECIFICATION
All voltages are referenced to V
ss
, the potential on the ground reference pin VSS.
Absolute Maximum Ratings (non-operating)
Symbol Parameter Min Max Units
V
dd
Positive supply voltage -0.5 6 V
V
in
Voltage on any pin (except RF1 and RF2) -0.5 V
dd
+0.5 V
V
oc
Voltage on open collector outputs (RF1, RF2) -0.5 V
dd
+1.5 (Note 1) V
I
in
Input current into any pin except VDD and VSS -25 25 mA
ESD Electrostatic discharge with human body model 1000 V
T
st
Storage temperature -55 125 oC
Recommended Operating Range
Symbol Parameter Min Max Units
V
dd
Positive supply voltage 2.2 5.4 V
V
ocDC
DC voltage on open collector outputs (RF1,RF2) V
dd
+1.5(Note2) V
V
ocAC
AC peak voltage on open collector outputs (RF1,RF2) V
dd
-1.5(Note1) V
dd
+1.5 V
T
op
Ambient operating temperature -40 85 ℃
Note 1: At maximum, V
dd
+1.5V cannot be higher than 7V. At minimum, V
dd
-1.5V cannot be lower than 1.2V.
Note 2: At maximum, V
dd
+1.5V cannot be higher than 5.5V.
ELECTRICAL SPECIFICATION
(Min/max values are valid over the whole recommended operating range. Typical conditions: T
op
= 27℃; V
dd
=V
oc
=2.7V)
DC Characteristics
Symbol Parameter Conditions/Notes Min Typ Max Units
I
dd_TX_0
Supply current (TX mode,
Pout = 0 dBm)
315/433 MHz bands
868 MHz band
915 MHz band
13
16
17
14
18
19
mA
I
dd_TX_PMAX
Supply current (TX mode,
Pout = Pmax)
315/433 MHz bands
868 MHz band
915 MHz band
21
23
24
22
25
26
mA