TDA5101A Datasheet, PDF (20/21 Pages) Infineon Technologies AG – ASK Transmitter 315 MHz

Confidential
TDA 5101A
Preliminary
Reference
5.1.3 AC/DC Characteristics
Table 5-3 Supply VoltageV_S = 3V, Ambient temperatureT_amb = 25 °C
Parameter
Symbol
Limit Values
Min
Typ
Max
Current consumption
Stand by mode
I_{S PDWN}
100
PLL enable
I_{S PLL_EN}
3.3
4
Transmit enable
I_{S TRANSM}
7
9
Power Down Modeswitch
Stand by mode
V _PDWN
0
0.2
PLL enable
V _PDWN
1.5
Vs
Transmit enable
V _PDWN
1.5
Vs
Input bias current PDWN
I_PDWN
30
Low Power Detect
Internal pull up current
Input current low voltage
VCO tuning voltage
ASK Modulation
I _LPD1
I _LPD2
V _LF
-30
1
Vs-1.6
Vs-0.6
ASK Transmit disable
V_DTA
0
0.5
ASK Transmit enable
V_DTA
1.5
Vs
Input bias current DTA
I_DTA
30
Input bias current DTA
I_DTA
-20
ASK data rate
f_DTA
20
CLOCK driver output
Output current
I_CLKOUT
1
Crystal oscillator input
Load capacitance
C_COSC-
5
max
Serioues Resistance of the
crystal
100
Input inductance of the
COSC pin
11
Power amplifier output, transformed to 50 Ohm (see test circuit)
Output Power
P_PAOUT
5
Unit
Test Conditions
nA
Pins 5=0V or N.C.
mA
mA
see Test circuit
V
V
V _DTA < 0.5V
V
V _DTA > 1.4V
µΑ
V _s = 4V
µΑ
V _s = 2.25 ... 4V
mA
V _s = 1.9 ... 2.05V
V
PLL locked
V
PLLEN-MODE
V
PLLEN-MODE
µΑ
V_DTA =Vs
µΑ
V_KDTA = 0V
kHz
mA
pF
Ohm f=9.84 MHz
µH
f=9.84 MHz
dBm f=315 MHz
Semiconductor Group
5-3
Specification, May 1999