Data Sheet
Table Of Contents
- 1. Feature List
- 2. Typical Applications
- 3. Design Guidelines
- 4. Pin-Out Description
- 5. Power Control
- 6. Interface
- 7. Antenna
- 8. Bluetooth® Software Stack
- 9. Host Interface
- 10. Connection Examples
- 11. Electrical Characteristics
- 12. RF Characteristics
- 13. Packaging Specifications
- 14. Soldering Recommendations
- 15. Tape and Reel Packaging
- 16. Certifications
- 17. Ordering Guide
- 18. Revision History
11.4 Power Consumption
Table 11.6. Typical Power Consumption of Different Operating States
Operation State Current Unit Description
Power Saving Mode 1 - RF idle 6.6 mA
CPU idle
RF idle
Power Saving Mode 2 - RF idle 89 µA
CPU sleep
RF idle
Reset state 1 - 10 mA Reset-signal held low
Continuous transmission - BDR
72.6 mA +11dBm, CPU active
Continuous transmission - EDR
61 mA +5dBm, CPU active
Table 11.7. Typical Power Consumption, BR/EDR Bluetooth (Master Mode, CPU Sleep Disabled)
Operation State Current Unit Description
Idle, not visible, not connectable 6.4 mA
Idle, visible, connectable 7.0 mA
Inquiry 38.3 mA
Connected, no data 7.4 mA
Connected, continuous data 12.1 mA 115.2 kbps over BGAPI
Table 11.8. Typical Power Consumptions, BR/EDR Bluetooth (Master Mode, CPU Sleep Enabled)
Operation State Current Unit Description
Idle, visible, connectable 1 µA
Inquiry 34.5 mA
Connected, no data 5.7 mA
Connected, continuous data 13.2 mA
115 kbps over BGAPI
1
Note:
1. Sleep controlled by wakeup pin. In the constant UART data streaming test, the CPU is not allowed to enter sleep mode.
Table 11.9. Typical Power Consumption, Bluetooth Low Energy (CPU Sleep Enabled)
Advertising Interval Current Unit Description
Advertising, not connectable 2 mA 108 ms
Advertising, connectable 2.3 mA 108 ms
Advertising, not connectable 0.9 µA 1000 ms
Advertising, connectable 1.1 µA 1000 ms
BT122 Data Sheet
Electrical Characteristics
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