TH71111
868/915MHz
FSK/FM/ASK Receiver
3.4 DC Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at TA= 23 °C and VCC = 3 V
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Operating Currents
Standby current
ISBY
ENRX=0
50
100
nA
Supply current at low gain
ICC, low ENRX=1
GAIN_LNA=1
ICC, high ENRX=1
GAIN_LNA=0
4.5
5.0
7.5
12.0
mA
Supply current at high gain
9.2
14.0
mA
Digital Pin Characteristics
Input low voltage CMOS
Input high voltage CMOS
VIL
VIH
ENRX pin
-0.3
0.7*VCC
0.1
0.3*Vcc
VCC+0.3
10
V
V
ENRX pin
ENRX=1
Pull down current
ENRX pin
IPDEN
2
µA
Low level input current
ENRX pin
IINLEN
ENRX=0
0.05
µA
Analog Pin Characteristics
High level input current
GAIN_LNA pin
IINHGAIN GAIN_LNA=1
0.05
0.3
µA
µA
Pull up current
GAIN_LNA pin active
IPUGAINa GAIN_LNA=0
ENRX=1
0.08
1.5
0.15
Pull up current
GAIN_LNA pin standby
IPUGAINs GAIN_LNA=0
ENRX=0
0.05
0.7
µA
High gain input voltage
Low gain input voltage
VIHGAIN ENRX=1
VILGAIN ENRX=1
V
V
Opamp Characteristics
Opamp input offset voltage
Opamp input offset current
Opamp input bias current
Voffs
-35
-50
35
50
mV
nA
nA
Ioffs
IOAP – IOAN
Ibias
0.5 * (IOAP + IOAN
)
-150
150
RSSI Characteristics
RSSI voltage at low input level
VRSSI, low Pi = -65 dBm,
GAIN_LNA=1
0.5
1.2
1.0
1.9
1.5
2.5
V
V
RSSI voltage at high input level VRSSI, high Pi = -35 dBm,
GAIN_LNA=1
39010 71111
Rev. 013
Page 10 of 22
Data Sheet
June/07
MELEXIS [ Melexis Microelectronic Systems ]
