BCM20705 Datasheet, PDF (50/67 Pages) Cypress Semiconductor – Single-Chip Bluetooth Transceiver and Baseband Processor

BCM20705 Data Sheet
Electrical Characteristics
Table 16: Current Consumption—Class 2 (3 dBm)
Operational Mode Conditions
Typical Units
Receive (1 Mbps)
Current level during receive of a basic rate packet
31
mA
Transmit (1 Mbps)
Current level during transmit of a basic rate packet, GFSK output 44
mA
power = 3 dBm
Receive (EDR)
Transmit (EDR)
DM1/DH1
Current level during receive of a 2 or 3 Mbps rate packet
32
mA
Current level during transmit of a 2 or 3 Mbps rate packet, GFSK 41
mA
output power = 3 dBm
Average current during basic rate max throughput connection
which includes only this packet type.
35
mA
DM3/DH3
Average current during basic rate max throughput connection
which includes only this packet type.
36
mA
DM5/DH5
HV1
HV2
HV3
Average current during max basic rate throughput connection
which includes only this packet type.
37
mA
Average current during SCO voice connection consisting of only 28
mA
this packet type. ACL channel is in 500 ms sniff.
Average current during SCO voice connection consisting of only 17
mA
this packet type. ACL channel is in 500 ms sniff.
Average current during SCO voice connection consisting of only 13
mA
this packet type. ACL channel is in 500 ms sniff.
HCI only active
Average current when waiting for HCI command UART, USB, or SPI 4.8
mA
transports.
Sleep
UART transport active, external LPO clock available.
55
μA
Sleep, HV Reg Bypass UART transport active, external LPO clock available, HV LDO
45
μA
disabled and in bypass mode.
Inquiry Scan (1.28 sec) Periodic scan rate is 1.28 sec.
350
μA
Page Scan (R1)
Periodic scan rate is R1 (1.28 sec).
350
μA
Inquiry Scan + Page Both inquiry and page scans are interlaced together at 1.28 sec
630
μA
Scan (R1)
periodic scan rate.
Sniff master (500 ms) Attempt and timeout parameters set to 4. Quality connection
which rarely requires more than minimum packet exchange.
145
μA
Sniff slave (500 ms) Attempt and timeout parameters set to 4. Quality connection
135
μA
which rarely requires more than minimum packet exchange. Sniff
master follows optimal sniff protocol of BCM20705 master.
Sniff (500 ms) + Inquiry/ Same conditions as Sniff master and Page Scan (R1). Scan maybe 425
μA
Page Scan (R1)
either Inquiry Scan or Page Scan at 1.28 sec periodic scan rate.
Sniff (500 ms) + Inquiry Same conditions as Sniff master and Inquiry Scan + Page Scan. 730
μA
Scan + Page Scan (R1)
Parameter
Temperature
Power supply
PA supply (VDDTF)
Table 17: Operating Conditions
Conditions
Commercial
RF, Core
Reduced power level
Minimum
–30.0
1.14
1.14
Typical
–
1.22
3.0
Maximum
85
1.32
3.3
Unit
°C
V
V
Broadcom®
Bluetooth Transceiver and Baseband Processor
November 13, 2014 • MCS20705-DS104-R
Page 49
BROADCOM CONFIDENTIAL