TH72002_12 Datasheet, PDF (9/20 Pages) Melexis Microelectronic Systems – ASK Transmitter

4.4 DC Characteristics
TH72002
315MHz
ASK Transmitter
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
Typ
Max
Unit
Operating Currents
Standby current
I_SBY ^{ENTX=0, TA=85°C}
ENTX=0, T_A=125°C
0.2
200
nA
4
µA
Supply current in power step 0 I_CC0 ENTX=1
1.5
2.3
3.8
mA
Supply current in power step 1 I_CC1 ENTX=1
2.1
3.2
4.9
mA
Supply current in power step 2 I_CC2 ENTX=1
3.0
4.4
6.2
mA
Supply current in power step 3 I_CC3 ENTX=1
4.5
6.2
8.5
mA
Supply current in power step 4 I_CC4 ENTX=1
7.3
10.3
13.3
mA
Digital Pin Characteristics
Input low voltage CMOS
Input high voltage CMOS
Pull down current
ENTX pin
Low level input current
ENTX pin
High level input current
ASKDTA pin
Pull up current
ASKDTA pin active
Pull up current
ASKDTA pin standby
V_IL ENTX, ASKDTA pins -0.3
0.3*V_cc
V
V_IH ENTX, ASKDTA pins 0.7*V_CC
V_CC+0.3
V
I_PDEN ENTX=1
0.2
2.0
20
µA
I_INLEN ENTX=0
0.02
µA
I_INHDTA ASKDTA=1
0.02
µA
I_PUDTAa
I_PUDTAs
ASKDTA=0
ENTX=1
ASKDTA=0
ENTX=0
0.1
1.5
12
µA
0.02
µA
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
8.6
9.9
µA
0.035
V
0.14
0.24
V
0.37
0.60
V
0.78
1.29
V
1.55
V
Low voltage detect threshold
V_LVD ENTX=1
1.75
1.85
1.95
V
3901072002
Rev. 010
Page 9 of 20
Data Sheet
Jun/12