TDA5220 Datasheet, PDF (43/44 Pages) Infineon Technologies AG – ASK/FSK Single Conversion Receiver

confidential
TDA 5220
preliminary
Reference
Table 5-4 AC/DC Characteristics with T_AMB= -40°C ... + 105°C, V_VCC = 4.5 ... 5.5 V
Parameter
Symbol
Limit Values
Unit Test Conditions
min
typ
max
DATA FILTER
2 RSSI Level at Data Fil- RSSI_low
0.3
ter Output SLP,
RF_IN=-103dBm
1
V LNA in high gain
mode
3 RSSI Level at Data Fil- RSSI_high
1.8
ter Output SLP,
RF_IN=-30dBm
3
V LNA in high gain
mode
Slicer, Signal Output DATA (PIN 25)
1 Maximum Datarate
DR_max
100 kBps NRZ, 20pF capaci-
tive loading
2 LOW output voltage
V_{SLIC_L}
0
0.1
V
3 HIGH output voltage
V_{SLIC_H}
V_S- V_S-1V
V_S-
V
1.5V
0.5V
Slicer, Negative Input (PIN 20)
1 Precharge Current Out I_{PCH_SLN} -100 -220
-300
µA see Section 4.7
L Item
s
PEAK DETECTOR
Signal Output PDO (PIN 26)
1 Load current
I_load
2 Internal resistive load
R
-400 -850 -1400 µA
t.b.d. 446
t.b.d. kΩ
CRYSTAL OSCILLATOR
Signals CRSTL1, CRSTL 2, (PINS 1/28)
1 Operating frequency
f_CRSTL
t.b.d.
14
MHz fundamental mode,
series resonance
ASK/FSK Signal Switch
Signal MSEL (PIN 15)
1 ASK Mode
2 FSK Mode
3 Input bias current
MSEL
FSK DEMODULATOR
1 Demodulation Gain
2 Useable IF Bandwidth
POWER DOWN MODE
Signal PDWN (PIN 27)
1 Powerdown Mode On
2 Powerdown Mode Off
V_MSEL
1.4
V_MSEL
0
I_MSEL
t.b.d. -11
G_FMDEM
BW_IFPLL
105
10.2
180
10.7
PWDN_ON
0
PWDN_Off
2.8
4
0.2
t.b.d.
V or open
V
µA MSEL tied to GND
245
µV/
kHz
11.2 MHz
0.8
V
V_S
V
Wireless Components
5 - 10
Target Specification, October 2001