Multi-Tech Systems 92U03G23710 Manual De Usuario
Chapter 3 – Electrical Characteristics
9
Chapter 3 – Electrical Characteristics
Electrical characteristics for the 5V Serial SocketModem are presented in this chapter.
I/O Electrical Characteristics
5 Vdc Characteristics (TA = -20° C to 55° C; VDD = 5 V ± 0.25 V) VDDMAX = 5.25 V
Digital Inputs
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Input High
Min 3.675 V
Min 3.675 V
Input Low
Max 1.4 V
Max 1.4 V
Digital Outputs
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
Output High
Min. 4 V
Min. 4 V
Output Low
Max 0.4 V
Max 0.4 V
Current
Drive: 2 ma
Drive: 2 ma
Digital Input Capacitance
5 PF
Power Consumption
Power Consumption in OFF Mode
Conditions
I
NOM
I
MAX
Overall Consumption
Off
5
m
A
10
m
A
Power Consumption in EGSM/GPRS 900 MHz and GSM/GPRS 850 MHz Mode
Conditions
I
NOM
I
MAX
+5V
During TX bursts @PcI5
1.7 A peak
2.0 A peak
+5V
During RX bursts
75 mA peak
80 mA peak
+5V
Average 1 Rx/1Tx @PcI5
270 mA
370 mA
+5V
Average 1 Rx/1Tx @PcI8
180 mA
200 mA
+5V
Average Idle Mode
100
m
A
300
m
A
+5V
Average 1 GPRS CI 10 (3Rx/2Tx) @PcI5
540 mA
640 mA
+5V
Average 1 GPRS CI 10 (3Rx/2Tx) @PcI8
360 mA
400 mA
+5V
Average 1 Idle Mode
2.2 mA
3 mA
Power Control Level: PcI5=2W typ.; PcI8=0,5W typ.
Power Consumption in GSM/GPRS 1800 & 1900 MHz Modes
Conditions
I
NOM
I
MAX
+5V
During TX bursts @PcI0
1.3 A peak
1.7 A peak
+5V
During RX bursts
75 mA peak
80 mA peak
+5V
Average 1 Rx/1Tx @PcI0
240 mA
270 mA
+5V
Average 1 Rx/1Tx @PcI3
150 mA
180 mA
+5V
Average Idle Mode
100
m
A
300
m
A
+5V
Average 1 GPRS CI 10 (3Rx/2Tx) @PcI0
480 mA
540 mA
+5V
Average 1 GPRS CI 10 (3Rx/2Tx) @PcI3
300 mA
360 mA
+5V
Average 1 Idle Mode
2.2 mA
3 mA
Power Control Level: PcI0=1W typ.; PcI3=0,25W typ.