TH72035_12 Datasheet, PDF (9/20 Pages) Melexis Microelectronic Systems – FSK/ASK Transmitter

TH72035
868/915MHz
FSK/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
Typ
Max
Unit
Operating Currents
Standby current
I_SBY
ENTX=0, T_A=85°C
ENTX=0, T_A=125°C
0.2
200
nA
4
µA
Supply current in power step 0 I_CC0 ENTX=1
2.5
3.9
5.7
mA
Supply current in power step 1 I_CC1 ENTX=1
3.5
5.1
7.3
mA
Supply current in power step 2 I_CC2 ENTX=1
4.5
6.4
8.8
mA
Supply current in power step 3 I_CC3 ENTX=1
6.2
8.6
11.4
mA
Supply current in power step 4 I_CC4 ENTX=1
9.4
13.4
17.3
mA
Digital Pin Characteristics
Input low voltage CMOS
Input high voltage CMOS
Pull down current
ENTX pin
V_IL
V_IH
I_PDEN
ENTX, DTA pins
ENTX, DTA pins
ENTX=1
-0.3
0.3*V_cc
V
0.7*V_CC
V_CC+0.3
V
0.2
2.0
20
µA
Low level input current
ENTX pin
I_INLEN ENTX=0
0.02
µA
High level input current
DTA pins
I_INHDTA FSKDTA=1
ASKDTA=1
0.02
µA
Pull up current
DTA pins active
I_PUDTAa FSKDTA=0,
0.1
1.5
12
µA
ASKDTA=0, ENTX=1
Pull up current
DTA pins standby
I_PUDTAs FSKDTA=0,
ASKDTA=0, ENTX=0
0.02
µA
FSK Switch Resistance
MOS switch On resistance
MOS switch Off resistance
R_ON
R_OFF
FSKDTA=0
ENTX=1
FSKDTA=1
ENTX=1
20
70
Ω
1
MΩ
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
39010 72035
Rev. 011
Page 9 of 20
Data Sheet
Jan/12