User Manual

APEX/APEX LT
Datasheet (Preliminary Rev 0.2) www.lsr.com Page 3 of 20
4 Operating Conditions
Characteristic Min Typ Max Unit
Power Supply Voltage (Vdd) 2.1 3.6 V
Input Frequency 2405 2480 MHz
Ambient Temperature Range -40 25 85 ºC
Logic Input Low Voltage 0 20% Vdd V
Logic Input High Voltage 80% Vdd Vdd V
5 Electrical Specifications
At 25ºC, Vdd = 3.3V for both APEX and APEX LT unless stated otherwise.
5.1 General
Parameter Min Typ Max Unit
RF Frequency Range 2400 2483.5 MHz
RF Data Rate 250 kbps
Microcontroller Operating Frequency (APEX only) 12 MHz
Flash Memory (APEX only) 128 kB
RAM (APEX only) 5 kB
5.2 Power Consumption
Parameter Min Typ Max Unit
Transmit Mode (100mW output)
APEX 170 mA
APEX LT 170 mA
Receive Mode
APEX 37 mA
APEX LT 37 mA
Standby Mode
10mW 5
µA
100mW 5 µA
Boost mode is an optional higher performance radio mode that is software selectable to boost receiver sensitivity.
5.3 Transmitter
Parameter Min Typ Max Unit
Nominal Output Power 20 dBm
Programmable Output Power range 32 dB
Error Vector Magnitude 15 35 %