Data Sheet
WL1801MOD,
WL1805MO
D
,
WL1831MO
D
,
WL1835MOD
SWRS152M – JULY 2013 – REVISED OCTOBER 2017
www.ti.com
Specifications
15
Copyright © 2013–2017, Texas Instruments Incorporated
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WL1835MOD
5.12 Bluetooth Performance: Modulation, BR
(1)
over operating free-air temperature range (unless otherwise noted)
CHARACTERISTICS
CONDITION
(2)
MIN TYP MAX
UNIT
BR –20-dB bandwidth
925 995
kHz
BR modulation characteristics
∆f1avg Mod data = 4 1s, 4
0s:
111100001111...
145 160 170
kHz
∆f2max ≥ limit for
at least 99.9% of
all Δf2max
Mod data =
1010101...
120 130 kHz
∆f2avg, ∆f1avg
85% 88%
BR carrier frequency drift One-slot packet
–25 25
kHz
Three- and five-slot
packet
–35 35
kHz
BR drift rate lfk+5 – fkl , k =
0 …. max
15
kHz/50 µs
BR initial carrier frequency
tolerance
(3)
f0–fTX
±75 ±75
kHz
(1) All RF and performance numbers are aligned to the module pin.
(2) Performance values reflect maximum power.
(3) Numbers include XTAL frequency drift over temperature and aging.
5.13 Bluetooth Performance: Modulation,
EDR
(1)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
(2)
CONDITION MIN TYP MAX
UNIT
EDR carrier frequency stability
–5 5
kHz
EDR initial carrier frequency
tolerance
(3)
±75 ±75
kHz
EDR RMS DEVM
EDR2
4% 15%
EDR3
4% 10%
EDR 99% DEVM
EDR2
30%
EDR3
20%
EDR peak DEVM
EDR2
9% 25%
EDR3
9% 18%
(1) All RF and performance numbers are aligned to the module pin.
(2) Performance values reflect maximum power.
(3) Numbers include XTAL frequency drift over temperature and aging.
5.14 Bluetooth low energy Performance: Receiver Characteristics – In-Band
Signals
(1)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
CONDITION
(2)
MIN TYP MAX
UNIT
Bluetooth low energy operation frequency
range
2402 2480
MHz
Bluetooth low energy channel spacing
2 MHz
Bluetooth low energy input impedance
50 Ω
Bluetooth low energy
sensitivity
(3)
Dirty TX on
–
92.2
dBm
Bluetooth low energy maximum usable input
power
–5
dBm
Bluetooth low energy intermodulation
characteristics
Level of interferers.
For n = 3, 4, 5
–36 –30
dBm
(1) All RF and performance numbers are aligned to the module pin.
(2) BER of 0.1% corresponds to PER of 30.8% for a minimum of 1500 transmitted packets, according to the Bluetooth low energy test
specification.
(3) Sensitivity degradation of up to –3 dB can occur due to fast clock harmonics.