User's Manual

www.ti.com Gas Sensor Platform With BLE Design Features
• Startup into load at 0.7-V input voltage
• Operating input voltage from 0.7 to 5.5 V
• Pass-through function during shutdown
• Minimum switching current 200 mA
• Output overvoltage, overtemperature, input undervoltage lockout protection
• Adjustable output voltage from 1.8 to 5.5 V
• Fixed output voltage versions
• Small 6-pin SC-70 package
CC2541
• Radio
– 2.4-GHz low-energy compliant and Proprietary RF System-on-Chip (SoC)
– Supports 250-kbps, 500-kbps, 1-Mbps, 2-Mbps data rates
– Excellent link budget, enabling long-range applications without external front-end
– Programmable output power up to 0 dBm
– Excellent receiver sensitivity (–94 dBm at 1 Mbps), selectivity and blocking performance
– Suitable for systems-targeting compliance with worldwide radio frequency regulations
– ETSI EN 300 328 and EN 300 440 Class 2 (Europe), FCC CFR47 Part 15 (US), and ARIB STD-
T66 (Japan)
• Layout
– Few external components
– Reference design provided
– 6-mm × 6-mm QFN-40 package
– Pin-compatible with CC2540 (when not using USB or I
2
C)
• Low power
– Active-mode RX down to: 17.9 mA
– Active-mode TX (0 dBm): 18.2 mA
– Power mode 1 (4-μs Wake-Up): 270 μA
– Power mode 2 (Sleep Timer On): 1 μA
– Power mode 3 (External Interrupts): 0.5 μA
– Wide supply-voltage range (2 V – 3.6 V)
– TPS62730-compatible low power in active mode
– RX down to: 14.7 mA (3-V supply)
– TX (0 dBm): 14.3 mA (3-V supply)
• Peripherals
– Powerful 5-Channel direct memory access (DMA)
– General-purpose timers (one, 16-bit; two, 8-bit)
– IR generation circuitry
– 32-kHz sleep timer with capture
– Accurate digital RSSI support
– Battery monitor and temperature sensor
– 12-bit ADC with eight channels and configurable resolution
– AES security coprocessor
– Two powerful UARTs with support for several serial protocols
– 23 general-purpose I/O pins
• (21 × 4 mA, 2 × 20 mA)
13
SNOA922–April 2013 Features
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