TDA7100 Datasheet, PDF (36/41 Pages) Infineon Technologies AG – 434 MHz ASK/FSK Transmitter in 10-pin Package

TDA7100
Reference
Table 13 Supply Voltage V_S=2.1V ... 4.0V, T_amb=-20°C ... +70°C (cont’d)
Parameter
Symbol
Limit Values
min. typ. max.
FSK Switch Output (Pin 4)
On resistance
R_FSKOUT
280
On capacitance
C_FSKOUT
6
Off resistance
R_FSKOUT 10
Off capacitance
C_FSKOUT
1.5
Crystal Oscillator Input (Pin 5)
Load capacitance
C_COSCmax
5
Serial Resistance of
100
the crystal
Input inductance of the
4.6
COSC pin
Unit Test
Conditions
Ω
V_FSKDTA = 0 V
pF V_FSKDTA = 0 V
kΩ V_FSKDTA = V_S
pF V_FSKDTA = V_S
pF
Ω f = 13.56 MHz
µH f = 13.56 MHz
ASK Modulation Data Input (Pin 6)
ASK Transmit disabled V_ASKDTA 0
ASK Transmit enabled V_ASKDTA 1.5
Input bias current
ASKDTA
I_ASKDTA
Input bias current
ASKDTA
I_ASKDTA -20
ASK data rate
f_ASKDTA
FSK Modulation Data Input (Pin 7)
FSK Switch on
FSK Switch off
Input bias current
FSKDTA
V_FSKDTA 0
V_FSKDTA 1.5
I_FSKDTA
Input bias current
FSKDTA
I_FSKDTA -20
FSK data rate
f_FSKDTA
0.5
V
V_S
V
33
µA V_ASKDTA = V_S
µA V_ASKDTA = 0 V
20
kHz
0.5
V
V_S
V
33
µA V_FSKDTA = V_S
µA V_FSKDTA = 0 V
20
kHz
Data Sheet
36
V 1.0, 2007-05-02