Preliminary
®
•
Application Interface Module for the DM1800 Transceiver Modules
•
USB Host Computer Interface with Virtual Serial Port Driver
•
Choice of USB or External DC Power Sources
•
Supports Analog and Logic Inputs and a Logic Output
The IM1800 is designed as an application interface module for the DM1800 series transceivers.
The IM1800 can be powered from either its USB interface or from an external DC power input. The
IM1800 USB interface is supported by a host computer virtual serial port driver. In addition, the
IM1800 provides terminal block connections for an analog input, a logic input and a logic output.
Direct connections to the DM1800 transceiver module USART are also provided on the IM1800
terminal block.
IM1800
Transceiver
Interface
Module
Absolute Maximum Ratings
Rating
VIN
All Other Input/Output Connections
Non-Operating Ambient Temperature Range
Electrical Characteristics
Characteristic
Digital Output Source Current
Digital Output Sink Current
Virtual Serial Port Data Rate
Power Supply Input Voltage Range, -40 to +85
o
C
Power Supply Input Voltage Range, 0 to +85
o
C
Regulated Power Supply Output Voltage, VIN 3.1 to 14 V
Current Available for External Circuitry
VIN
VIN
VOUT
3.1
2.6
3.0
10
Sym
Notes
Minimum
Typical
0.5
1
9.6
14
14
Maximum
Units
mA
mA
kb/s
V
V
Vdc
mA
Value
-0.3 to +16.0
-0.3 to +4.0
-50 to +100
Units
V
V
o
C
1
RFM [ RF MONOLITHICS, INC ]
