TDA5212 Datasheet, PDF (42/51 Pages) Infineon Technologies AG – ASK/FSK 915MHz Single Conversion Receiver

TDA 5212
preliminary
Reference
Table 5-3 AC/DC Characteristics with T_A 25 °C, V_VCC = 4.5 ... 5.5 V (continued)
Parameter
Symbol
Limit Values
Unit Test Conditions
min
typ
max
L Item
CRYSTAL OSCILLATOR
Signals CRSTL1, CRISTL 2, (PINS 1/28)
1 Operating frequency
f_CRSTL
6
15 MHz fundamental mode,
series resonance
2 Input Impedance
Z_1-28
- 860 +
W
@ ~7.2MHz
j500
3 Input Impedance
Z_1-28
- 550 +
W
@ ~14.5MHz
j1050
4 Serial Capacity
C_S7=C1
9.5
pF
@ ~7.2MHz
5 Serial Capacity
C_S14=C1
5.6
pF
@ ~14.5MHz
ASK/FSK Signal Switch
Signal MSEL (PIN 15)
1 FSK Mode
2 ASK Mode
V_MSEL
1.4
V_MSEL
0
4
V or open
0.2
V
FSK DEMODULATOR
1 Demodulation Gain
2 Useable IF Bandwidth
G_FMDEM 180
BW_IFPLL 10.2
200
10.7
220 µV/
kHz
11.2 MHz
POWER DOWN MODE
Signal PDWN (PIN 27)
1 Powerdown Mode On
PWDN_ON
0
0.8
V
2 Powerdown Mode Off
PWDN_Off 2.8
V_S
V
3 Input bias current PDWN
I_PDWN
t.b.d.
µA
4 Start-up Time until valid IF
T_SU
signal is detected
1
ms ^{note: startup - time is}
also dependent on data
filter and data slicer time
constants
PLL DIVIDER
Signal CSEL (PIN 16)
1 f_CRSTL range 7.xxMHz
V_CSEL
1.4
4
V or open
Wireless Components
5-7
Specification, May 2003