TDA5103A Datasheet, PDF (28/29 Pages) Infineon Technologies AG – ASK Transmitter 345 MHz

TDA 5103A
preliminary
Reference
5.3.2 AC/DC Characteristics at 2.1 V ... 4.0 V, -25°C ... +85°C
Table 5-4 Supply Voltage V_S = 2.1 V ... 4.0 V, Ambient temperature T_amb = -25°C ... +85°C
Parameter
Symbol
Limit Values
Unit
Test Conditions
Min
Typ
Max
Current consumption
Power down mode
I_{S PDWN}
250 nA
V (Pins 1 and 5) = 0 V
PLL enable mode
I_{S PLL_EN}
3.3
4.6
mA
Transmit mode
I_{S TRANSM}
7
9.5
mA Load tank see
Figure 4-1
Power Down Mode Control (Pin 1)
Power down mode
V_PDWN
0
0.5
V
V_DATA < 0.2 V
PLL enable mode
V_PDWN
1.5
V_S
V
V_DATA < 0.5 V
Transmit mode
V_PDWN
1.5
V_S
V
V_DATA > 1.5 V
Input bias current PDWN
I_PDWN
30
µA
V_PDWN = V_S
Loop Filter (Pin 4)
VCO tuning voltage
V_LF
V_S - 1.5
V_S - 0.65 V
f_VCO = 690 MHz
Output frequency range
345 MHz-band
f_{OUT, 315}
343.5
345
347.5 MHz V_S-V_LF = 0.6V...1.6V
ASK Modulation Data Input (Pin 5)
Transmit disabled
V_DATA
0
0.5
V
Transmit enabled
V_DATA
1.5
V_S
V
Input bias current DATA
I_DATA
30
µA
V_DATA = V_S
Input bias current DATA
I_DATA
-20
µA
V_DATA = 0 V
ASK data rate
f_DATA
20
kHz
Wireless Components
5-5
Specification, March 2001