User Guide

PAMS
Technical Documentation
RAE–2
Baseband
Page 2– 8
Original 02/99
Technical Specifications
Maximum Ratings
Parameter Rating
Battery voltage, idle mode –0.3 ... 4.1V without charger
Charger input voltage –5.0 ... 16V
Operating temperature range –25C to +70 C
Storage temperature range –40C to +85 C
DC Characteristics
Supply voltages
Line Symbol Minimum Typical /
Nominal
Maximum Unit / Notes
Supply battery voltage 3.0 3.6 4.1 V
Battery powerup voltage (HW) 2.9 3.0 3.1 V
Battery cut off voltage (HW) 2.7 2.8 2.9 V
Regulated baseband supply voltage 2.7 2.8 2.85 V
Regulated baseband supply current 3 50 125 mA
Regulated VCORE supply voltage 1.3 – 2.65 V (changeable)
Regulated VCORE supply current 50 mA
COBBA analog supply voltage 2.7 2.8 2.85 V
COBBA analog supply current 5 20 100 mA
Regulated 5V supply voltage 4.8 5.0 5.2 V
Regulated 5V supply current 0 1 30 mA
Regulated 5V SIM supply voltage 4.8 5.0 5.2 V
Regulated 5V SIM supply current 3 10 30 mA
Regulated 3V SIM supply voltage 2.8 3.0 3.2 V
Regulated 3V SIM supply current 1 6 30 mA
Voltage reference 1.4775 1.5 1.5225 V
Note: The RF voltages are described later
AC Characteristics
Table 1. AC Specifications
Line symbol Minimum Typical /
Nominal
Maximum Unit / Notes
32kHz 32768 Hz, Sleep clock
RFIClk 13 MHz, System clock
PCMClk 8 kHz, PCM clock
SIMClk 3.25 MHz, SIM Clock