Philips Semiconductors
HITAG proximity reader module
hardware
Product specification
HTRM440 family
8 ELECTRICAL SPECIFICATIONS
SYMBOL
PARAMETER
CONDITION
MIN. TYP. MAX. UNIT
External power supply
VP
DC supply voltage
IP
DC supply current
Modulation
9
−
16
−
−
150
mTX
modulation ratio of reader module Amplitude Shift Keying (ASK) −
100 −
to transponder
mRX
modulation ratio of transponder to Amplitude Shift Keying (ASK); −
−
−
reader module
note 1
Interface to host
ft
transmission speed
Antenna
−
9600 −
d
operating distance
note 2
−
200 −
Temperature
Toper
Tstg
operating temperature
storage temperature
−25 −
+85
−40 −
+85
Notes
1. Modulation ratio depending on the distance between transponder and reader module.
2. Depending on antenna and type of transponder; three-wire cable, shielded.
V
mA
%
%
baud
mm
°C
°C
2001 Oct 04
9