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WL1807MOD, WL1837MOD
SWRS170J – MARCH 2014 – REVISED APRIL 2021
over operating free-air temperature range (unless otherwise noted)
Maximum
WLAN operation
power
Bluetooth operation
dissipation
(1)
4.8 V is applicable only for 2.33 years (30% of the time). Otherwise, maximum V
(2)
Applies to all digital lines except SDIO, UART, I2C, PCM and slow clock lines.
8.4 External Digital Slow Clock Requirements
The supported digital slow clock is 32.768 kHz digital (square wave). All core functions share a single input.
Input slow clock frequency
Input slow clock accuracy (initial,
temperature, and aging)
T
, T
Input transition time (10% to 90%)
r
f
Frequency input duty cycle
V
, V
Input voltage limits
IH
IL
Input impedance
Input capacitance
8.5 Thermal Resistance Characteristics for MOC 100-Pin Package
(1)
THERMAL METRICS
θ
Junction to free air
JA
θ
Junction to board
JB
θ
Junction to case
JC
(1)
For more information about traditional and new thermal metrics, see the
Report.
(2)
These values are based on a JEDEC-defined 2S2P system (with the exception of the Theta JC [R
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)
According to the JEDEC EIA/JESD 51 document
(4)
Modeled using the JEDEC 2s2p thermal test board with 36 thermal vias
10
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CONDITION
WLAN, Bluetooth
Square wave,
DC coupled
(3)
(4)
Product Folder Links:
MIN
must not exceed 4.3 V.
BAT
MIN
15%
0.65 x VDD_IO
0
1
Semiconductor and IC Package Thermal Metrics Application
WL1807MOD WL1837MOD
www.ti.com
TYP
MAX
2.8
0.2
TYP
MAX UNIT
32768
±250
200
50%
85%
VDD_IO
0.35 x VDD_IO
5
(2)
(°C/W)
16.6
6.06
5.13
] value, which is based on
θJC
Copyright © 2021 Texas Instruments Incorporated
UNIT
W
Hz
ppm
ns
V
peak
MΩ
pF
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