Yamaha Corporation BM20L Manual De Usuario
Product Specification
Spec-BM20L-V0.6 Page 2 of 8 www.sunitec-cn.com
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Electrical Characteristics
Absolute Maximum Rating
Min
Max
Storage Temperature
-30C
+80C
Recommended Operating Conditions
Min
Max
Operating Temperature Range
-20C
+70C
Supply Voltage, (V_BAT)
3.1V (steady)
4.5V
Supply Voltage, (V_CHG)
4.5V
5.75V
Power Consumption
Units
Average
SCO Connection HV3 (30ms interval sniff mode)
Ma
SCO Connection HV1
Ma
17Ma
ACL Data Transfer 115.2Kbps UART no traffic (Master)
Ma
ACL Data Transfer 115.2Kbps UART no traffic (Slave)
Ma
17Ma
CODEC
Microphone inputs and ADC/channel
Ma
DAC and loudspeaker driver, no signal/channel
Ma
Digital audio processing subsystem
Ma
VBAT = 4.2V; f = 2.441GHz; T=20C
RF Characteristics
Receiver
Units
Min
Typ
Max
Bluetooth Spec
Sensitivity at 0.1% BER
dBm
-93
-91
-89
≤-70
Maximum Receiver Signal
dBm
-20
-10
-
≥ -20
C/I Co-Channel
Db
-
6
11
≤11
Adjacent Channel Selectivity C/I -1MHz
Db
-
-6
0
≤0
2
nd
Adjacent Channel Selectivity C/I -2MHz
Db
-
-38
-30
≤-30
3
rd
Adjacent Channel Selectivity C/I -3MHz
Db
-
-45
-40
≤-40
Image Rejection C/I
Db
-
-16
-9
≤-9
VBAT = 4.2V; f = 2.4441GHz; T=20C
Transmitter
Units
Min
Typ
Max
Bluetooth Spec
RF Output Power
dBm
0
2
3
+4 to +8
RF Power Control Range
Db
16
24
-
> 16
RF Power Range Control Resolution
Db
-
0.5
-
-
20Db Bandwidth for Modulated Carrier
KHz
-
940
1000
<1000
2
nd
Adjacent Channel Power (+/- 2MHz)
dBm
-
-36
-20
≤-20
3
rd
Adjacent Channel Power (+/- 3MHz)
dBm
-
-45
-40
≤-40
VBAT = 4.2V; f = 2.4441GHz; T=20C
All specifications including pinouts and electrical specifications may be changed without prior notice