Product Info
LM746 Bluetooth® Dual Mode Audio Module
Standalone (With Embedded Bluetooth® 5 Compliant Stack)
Auxiliary DAC
Auxiliary DAC
Resolution
Supply voltage, VDD_DAC
Output voltage range
Full-scale output voltage
LSB size
Oset
Integral non-linearity
Settling time(a)
Min
-
1.30
0
1.30
0
-1.32
-1
-
Typ
-
1.35
-
1.35
1.32
0
0
-
Max
10
1.40
1.35
1.40
2.64
1.32
1
250
Unit
Bits
V
V
V
mV
mV
LSB
ns
(a) The settling time does not include any capacitive load
RF Specification: Temperature = +20° C
Transmitter
Maximum RF transmit power
RF power variation over temperature range with compensation enabled
RF power variation over temperature range with compensation disabled
20dB bandwidth for modulated carrier
Adjacent channel transmit power F = F0 ± 2MHz
Adjacent channel transmit power F = F0 ± 3MHz
Adjacent channel transmit power F = F0 ± > 3MHz
∆f1avg Maximum Modulation
∆f2max Minimum Modulation
∆f2avg/∆f1avg
Initial carrier frequency tolerance
Drift Rate
Drift (single slot packet)
Drift (five slot packet)
2nd Harmonic Content
3rd Harmonic Content
Min
-6
-
-
-
-
-
-
140
115
0.8
-75
-
-
-
-
-
Typ
2
±0.5
±1.5
925
-23
-32
-65
165
137
0.9
15
5
15
15
-40
-55
Max
-
-
-
1000
-20
-28
-40
175
-
-
75
20
25
40
-
-
Bluetooth® Specification
-6 to +4
-
-
≤1000
≤-20
≤-40
≤-40
140<f1avg<175
≥115
≥0.80
±75
≤20
≤25
≤40
≤-30
≤-30
Unit
dBm
dB
dB
kHz
dBm
dBm
dBm
kHz
kHz
-
kHz
kHz/50μ
kHz
kHz
dBm
dBm
RF Specification: Temperature = +20° C
Receiver
Sensitivity at 0.1% BER for all packet types 2.402
2.441
2.480
Maximum received signal at 0.1% BER
C/I co-channel
Adjacent channel selectivity C/I F = F0 + 1MHz
Adjacent channel selectivity C/I F = F0 - 1MHz
Adjacent channel selectivity C/I
Min
-
-
-
-20
-
-
-
-
Typ
-87
-90
-90
>-10
5
-5
-3
-35
Max
-83
-86
-86
-
11
0
0
-30
Bluetooth® Specification
≤-70
≥-20
≤11
≤0
≤0
≤-30
Unit
dBm
dBm
dB
dB
dB
dB
Part No
Product
See Last Page
LM746
LM746
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