8.16 Bluetooth low energy Performance: Modulation Characteristics
over operating free-air temperature range (unless otherwise noted)
CHARACTERISTICS
MIN
TYP
MAX
UNIT
Bluetooth low energy
modulation characteristics
∆f1avg
Mod data = 4 1s, 4 0s:
111100001111...
240
250
260
kHz
∆f2max ≥ limit for
at least 99.9% of all
Δf2max
Mod data = 1010101...
195
215
∆f2avg, ∆f1avg
85%
90%
Bluetooth low energy carrier
frequency drift
lf0 – fnl , n = 2,3 …. K
–25
25
kHz
Bluetooth low energy drift rate
lf1 – f0l and lfn – fn-5l , n = 6,7…. K
15
kHz/50 µs
Bluetooth low energy initial
carrier frequency tolerance
fn – 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.
8.17 Bluetooth BR and EDR Dynamic Currents
Current is measured at output power as follows: BR at 11.7 dBm; EDR at 7.2 dBm.
USE CASE
TYP
UNIT
BR voice HV3 + sniff
11.6
mA
EDR voice 2-EV3 no retransm sniff
5.9
mA
Sniff 1 attempt 1.28 s
178.0
µA
EDR A2DP EDR2 (master). SBC high quality – 345 kbps
10.4
mA
EDR A2DP EDR2 (master). MP3 high quality – 192 kbps
7.5
mA
Full throughput ACL RX: RX-2DH5
18.0
mA
Full throughput BR ACL TX: TX-DH5
50.0
mA
Full throughput EDR ACL TX: TX-2DH5
33.0
mA
Page scan or inquiry scan (scan interval is 1.28 s or 11.25 ms, respectively)
253.0
µA
Page scan and inquiry scan (scan interval is 1.28 s and 2.56 s, respectively)
332.0
µA
(1)
The role of Bluetooth in all scenarios except A2DP is slave.
(2)
CL1P5 PA is connected to V
BAT
, 3.7 V.
(3)
ACL RX has the same current in all modulations.
(4)
Full throughput assumes data transfer in one direction.
8.18 Bluetooth low energy Currents
All current measured at output power of 7.0 dBm
USE CASE
TYP
UNIT
131
µA
Advertising, discoverable
143
µA
266
µA
Connected, master role, 1.28-s connect interval
124
µA
Connected, slave role, 1.28-s connect interval
132
µA
(1)
CL1p% PA is connected to V
BAT
, 3.7 V.
(2)
Advertising in all three channels, 1.28-s advertising interval, 15 bytes advertise data
(3)
Listening to a single frequency per window, 1.28-s scan interval, 11.25-ms scan window
(4)
Zero slave connection latency, empty TX and RX LL packets
WL1801MOD, WL1805MOD, WL1831MOD, WL1835MOD
SWRS152N – JUNE 2013 – REVISED APRIL 2021
Copyright © 2021 Texas Instruments Incorporated
17
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