TDA7110 Datasheet, PDF (34/39 Pages) Infineon Technologies AG – ASK/FSK Transmitter 868/433 MHz

TDA7110
Reference
4.3 AC/DC Characteristics
4.3.1 AC/DC Characteristics at 3V, 25°C
Table 4-3 Supply Voltage V_S = 3 V, Ambient temperature T_amb = 25°C
Parameter
Symbol
Limit Values
Min
Typ
Max
Current consumption
Power-Down mode
I_{S PDWN}
0.25
100
PLL-Enable mode
Transmit mode
I_{S PLL_EN}
I_{S TRANSM}
4
5
13.8
16.5
Power Down Mode Control (Pin 1)
Stand-by mode
V _PDWN
0
0.7
PLL enable mode
V _PDWN
Transmit mode
V _PDWN
Input bias current PDWN
I_PDWN
Low Power Detect Output (Pin 2)
Internal pull up current
I _LPD1
Input current low voltage
I _LPD2
Loop Filter (Pin 4)
VCO tuning voltage
V_LF
Output frequency range
868 MHz-band
f_{OUT, 868}
Output frequency range
433 MHz-band
f_{OUT, 433}
ASK Modulation Data Input (Pin 6)
ASK Transmit disabled
V_ASKDTA
ASK Transmit enabled
V_ASKDTA
Input bias current ASKDTA I_ASKDTA
Input bias current ASKDTA I_ASKDTA
ASK data rate
f_ASKDTA
1.5
1.5
30
1
V_S - 1.5
854
427
0
1.5
-20
V_S
V_S
30
V_S - 0.7
869
884
434.5
442
0.5
V_S
30
20
Unit
nA
mA
mA
V
V
V
µA
µA
mA
V
MHz
MHz
V
V
µA
µA
kHz
Test Conditions
V (Pins 1, 6 and 7)
< 0.2 V
Load tank see
Figure 3-1 and 3-2
V_ASKDTA < 0.2 V
V_FSKDTA < 0.2 V
V_ASKDTA < 0.5 V
V_ASKDTA > 1.5 V
V_PDWN = V_S
V_S = 2.3 V ... V_S
V_S = 1.9 V ... 2.1 V
f_VCO = 867.84 MHz
V_FSEL = V_S
f_{OUT =} f_VCO
V_FSEL = 0 V
f_{OUT =} f_VCO / 2
V_ASKDTA = V_S
V_ASKDTA = 0 V
Wireless Components
4-3
Data Sheet, December 2008