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8.12 BLE and WLAN Coexistence Requirements
For proper BLE and WLAN 2.4 GHz radio coexistence, the following requirements must be met.
Isolation Requirement
PARAMETER
Band
MIN
TYP
MAX
UNIT
Port-to-port isolation
Dual antenna configuration
dB
(1)
The CC3135MOD modules are compatible with TI BLE modules using an external RF switch.
(2)
A single antenna configuration is possible using the CC3x35 devices.
(3)
For dual antenna configuration antenna placement must be such that isolation between the BLE and WLAN ports is at least 20 dB.
8.13 Reset Requirement
PARAMETER
MIN
TYP
MAX
UNIT
V
IH
Operation mode level
0.65 × V
BAT
V
V
IL
0
0.6
V
Minimum time for nReset low for resetting the module
5
ms
T
r
and T
f
Rise and fall times
20
µs
(1)
The nRESET pin must be held below 0.6 V for the module to register a reset.
8.14 Thermal Resistance Characteristics for MOB Package
NO.
PARAMETE
R
DESCRIPTION
°C/W
AIR FLOW (m/s)
T1
RΘ
JC
Junction-to-case
11.4
N/A
T2
RΘ
JB
Junction-to-board
8.0
N/A
T3
RΘ
JA
Junction-to-free air
19.1
0
T4
Junction-to-moving air
14.7
1
T5
13.4
2
T6
12.5
3
T7
Ψ
JT
Junction-to-free air
5.4
0
T8
Junction-to-package top
5.8
1
T9
6.1
2
T10
6.5
3
T11
Ψ
JB
Junction-to-free air
6.8
0
T12
Junction-to-board
6.6
1
T13
6.6
2
T14
6.5
3
(1)
°C/W = degrees Celsius per watt.
(2)
These values are based on a JEDEC-defined 2S2P system (with the exception of the Theta JC [RΘ
JC
] value, which is based on
a JEDEC-defined 1S0P system) and will change based on environment as well as application. For more information, see these
EIA/JEDEC standards:
•
JESD51-2,
Integrated Circuits Thermal Test Method Environmental Conditions - Natural Convection (Still Air)
•
JESD51-3,
Low Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages
•
JESD51-7,
High Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages
•
JESD51-9,
Test Boards for Area Array Surface Mount Package Thermal Measurements
Power dissipation of 2 W and an ambient temperature of 70°C is assumed.
(3)
m/s = meters per second.
SWRS225D – FEBRUARY 2019 – REVISED MAY 2021
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