Bluetooth Audio Module
4.3. Power consumptions
Operating Condition
Min
Typical
Max
Unit
Standby, without deep sleep
2.1
0.11
-
-
-
-
3.1
0.7
40
mA
mA
mA
Standby, with deep sleep
Inquiry window time
Connected (Deep sleep
disable, sniff enable )
Connected (Deep sleep on,
(b)
(a)
-
3.3
-
mA
sniff enable)
(a)
-
0.4
20
-
mA
mA
Connected with data transfer
18
22
Connected with audio
streaming (A2DP)
35
40
mA
Table 3: Power consumptions
Note :
Power consumption depends on the firmware used. Typical values are shown in the table.
(a)
Sniff mode ----- In Sniff mode, the duty cycle of the slave’s activity in the piconet may be reduced. If a
slave is in active mode on an ACL logical transport, it shall listen in every ACL slot to the master traffic,
unless that link is being treated as a scatter net link or is absent due to hold mode. With sniff mode, the
time slots when a slave is listening are reduced, so the master shall only transmit to a slave in specified
time slots. The sniff anchor points are spaced regularly with an interval of Tsniff.
(b)
Radio on(Inquiry )----Search time is 22 seconds
4.4. Input/output Terminal Characteristics
4.4.1.Digital Terminals
Supply Voltage Levels
Input Voltage Levels
Min
Typ
Max
Unit
V
IL
input logic level low
-
0.3
-
+0.25xVDD
VDD+0.3
V
V
V
IH
input logic level high
0.625VDD
-
Output Voltage Levels
V
OL
output logic level low, l
OL
= 4.0mA
V
OH
output logic level high, l
OH
= -4.0mA
Input and Tri-state Current
I
i
input leakage current at V
in
=VDD or 0V
-
-
-
0.125
VDD
V
V
0.75xVDD
-100
-100
0
0
100
100
nA
nA
I
oz
tri-state output leakage current at V
o
=VDD
or 0V
With strong pull-up
-100
10
-40
40
-10
uA
μA
With strong pull-down
100
Shanghai Ehong Technologies Inc
