TH72002 Datasheet, PDF (9/20 Pages) Melexis Microelectronic Systems – ASK Transmitter

TH72002
315MHz
ASK Transmitter
4.4 DC Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at T_A = 23 °C and V_CC = 3 V
Parameter
Symbol
Condition
Min
Operating Currents
Standby current
I_SBY ^{ENTX=0, TA=85°C}
ENTX=0, T_A=125°C
Supply current in power step 0 I_CC0 ENTX=1
1.5
Supply current in power step 1 I_CC1 ENTX=1
2.1
Supply current in power step 2 I_CC2 ENTX=1
3.0
Supply current in power step 3 I_CC3 ENTX=1
4.5
Supply current in power step 4 I_CC4 ENTX=1
7.3
Digital Pin Characteristics
Input low voltage CMOS
Input high voltage CMOS
Pull down current
ENTX pin
V_IL
V_IH
I_PDEN
ENTX, ASKDTA pins
ENTX, ASKDTA pins
ENTX=1
-0.3
0.7*V_CC
0.2
Low level input current
ENTX pin
I_INLEN ENTX=0
High level input current
ASKDTA pin
I_INHDTA ASKDTA=1
Pull up current
I_PUDTAa ASKDTA=0
0.1
ASKDTA pin active
ENTX=1
Pull up current
ASKDTA pin standby
I_PUDTAs ASKDTA=0
ENTX=0
Power Select Characteristics
Power select current
I_PSEL
Power select voltage step 0
V_PS0
Power select voltage step 1
V_PS1
Power select voltage step 2
V_PS2
Power select voltage step 3
V_PS3
Power select voltage step 4
V_PS4
Low Voltage Detection Characteristic
ENTX=1
ENTX=1
ENTX=1
ENTX=1
ENTX=1
ENTX=1
7.0
0.14
0.37
0.78
1.55
Low voltage detect threshold
V_LVD ENTX=1
1.75
Typ
0.2
2.3
3.2
4.4
6.2
10.3
2.0
1.5
8.6
1.85
Max
200
4
3.8
4.9
6.2
8.5
13.3
0.3*V_cc
V_CC+0.3
20
0.02
0.02
12
0.02
9.9
0.035
0.24
0.60
1.29
1.95
Unit
nA
µA
mA
mA
mA
mA
mA
V
V
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
3901072002
Rev. 007
Page 9 of 20
Data Sheet
June/07