TH72036_12 Datasheet, PDF (9/15 Pages) Melexis Microelectronic Systems – FSK/ASK Transmitter

TH72036
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
Operating Currents
Standby current
I_SBY ^{EN=0, TA=85°C}
EN=0, T_A=125°C
Supply current in power step 0 I_CC0 EN=1
2.5
Supply current in power step 1 I_CC1 EN=1
3.5
Supply current in power step 2 I_CC2 EN=1
4.5
Supply current in power step 3 I_CC3 EN=1
6.2
Supply current in power step 4 I_CC4 EN=1
9.4
Digital Pin Characteristics
Input low voltage CMOS
Input high voltage CMOS
Pull down current, EN
Low level input current, EN
High level input current, FSKDTA
Pull up current FSKDTA
active mode
Pull up current FSK
standby mode
V_IL
V_IH
I_PDEN
I_INLEN
I_INHDTA
I_PUDTAa
I_PUDTAs
EN, FSKDTA
EN, FSKDTA
EN=1
EN=0
FSKDTA=1
FSKDTA=0, EN=1
FSKDTA=0, EN=0
-0.3
0.7*V_CC
0.2
0.1
Low level input current CKDIV I_INLCKDIV CKDIV=0
Pull-down current CKDIV
I_PDCKDIVa CKDIV=1, EN=1
0.1
active mode
Pull-down current CKDIV
standby mode
I_PDCKDIVs CKDIV=1, EN=0
FSK Switch Resistance
MOS switch On resistance
R_ON FSKDTA=0, EN=1
MOS switch Off resistance
R_OFF FSKDTA=1, EN=1
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
EN=1
EN=1
EN=1
EN=1
EN=1
EN=1
7.0
0.14
0.37
0.78
1.55
Low voltage detect threshold
V_LVD EN=1
1.75
Typ
0.2
4.3
5.5
6.8
9.0
13.8
4.0
1.5
1.5
20
8.6
1.85
Max
200
4
7.4
9.4
11.1
13.8
20.1
0.3*V_cc
V_CC+0.3
40
0.02
0.02
12
0.02
0.02
12
0.02
70
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
µA
µA
Ω
MΩ
µA
V
V
V
V
V
V
3901072036
Rev. 009
Page 9 of 15
Data Sheet
Jun/12