TH72001_12 Datasheet, PDF (9/20 Pages) Melexis Microelectronic Systems – FSK Transmitter

4.4 DC Characteristics
TH72001
315MHz
FSK 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
V_IL ENTX, FSKDTA pins -0.3
0.3*V_cc
V
V_IH ENTX, FSKDTA pins 0.7*V_CC
V_CC+0.3
V
I_PDEN ENTX=1
0.2
2.0
20
µA
Low level input current
ENTX pin
I_INLEN ENTX=0
0.02
µA
High level input current
FSKDTA pin
I_INHDTA FSKDTA=1
0.02
µA
Pull up current
FSKDTA pin active
I_PUDTAa FSKDTA=0
ENTX=1
0.1
1.5
12
µA
Pull up current
FSKDTA pin standby
I_PUDTAs FSKDTA=0
ENTX=0
0.02
µA
FSK Switch Resistance
MOS switch On resistance
R_ON FSKDTA=0
ENTX=1
20
70
Ω
MOS switch Off resistance
R_OFF FSKDTA=1
1
MΩ
ENTX=1
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
3901072001
Rev. 010
Page 9 of 20
Data Sheet
Jun/12