Maestro A2200-A Manual do Utilizador descarregar pdf (Página 24)

V1.0-Mar-14

User’s Manual

Page 24 of 43

6 Electrical Characteristics

6.1 Operating Conditions

Description

Min

Typical

Max

Vbak

1.8V

3.0V

3.6V

Standby Current

(4)

60uA

3.0V

3.3V

3.6V

Full power Mode (Searching) Peak Current

(1)

40mA

Full power mode (Searching) Average Cur-

rent

(2)

34mA

Full power mode (Tracking) Average Current

(3)

28mA

TricklePower Mode

10mA

Push-to-Fix Mode

600uA

Micro Power Mode（SiRFaware

）

300uA

Hibernate Status

60uA

Table 6: A5100-A electrical characteristics

(1) Peak searching current is characterized by millisecond bursts above average searching current

(2) Average searching current is typically only the first two seconds of TTFF

(3) Tracking current typically includes tracking and the post searching portion of TTFF

(4) During standby state: RTC block and core powered on and clock off.

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 42 43

GPS/GLONASS Receiver A5100-A 1
Revision History 2
Disclaimer 3
Table of Contents 4
1 Introduction 6
1.2 Characteristics Overview 7
1.4 Label 8
1.5 Characteristics 9
1.6 Handling Precautions 9
2 Ordering Information 10
2.3 Additional Equipment 12
3 Quick Start 13
3.2 Antennas 15
3.3 Serial Port Settings 16
3.4 Improved TTFF 16
3.5 Self-start Configuration 17
4 Mechanical Outline 19
5 Pin-out Information 21
6 Electrical Characteristics 24
6.2 Absolute Maximum Ratings 25
7 Mounting 27
GLONASS receiver 29
8.2 Antenna Connections 31
9 Quality and Reliability 32
10 Applications and Hints 33
10.6 Battery Back-up 35
10.7 Extended Ephemeris 36
10.8.1 Antenna Sensor 37
10.9 VANT Pin 39
11 Evaluation Kit EVA5100-A 41
12 Related Information 42
13 List of Figures 43
14 List of Tables 43

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