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TDA5212_06 Datasheet, PDF (39/49 Pages) Infineon Technologies AG – ASK/FSK 915MHz Single Conversion Receiver
TDA 5212
Reference
Table 5-3 AC/DC Characteristics with TA 25 °C, VVCC = 4.5 ... 5.5 V (continued)
# Parameter
Symbol
Limit Values
Unit Test Conditions/
Notes
min
typ
max
3 Voltage Gain Antenna to
GAntMI
40
dB
IFO fRF = 915 MHz
Signal Input LNI, VTHRES = GND, low gain mode
1 Input impedance,
fRF = 915 MHz
S11 LNA
0.753 / -86.26 deg
2 Input level @ 1dB C. P.
P1dBLNA
-6
fRF = 915 MHz
dBm
Signal Input LNI, VTHRES = GND, low gain mode
3 Input 3rd order intercept
IIP3LNA
-5
dBm fin = 914 & 916MHz
point fRF = 915 MHz
Signal Output LNO, VTHRES = GND, low gain mode
1 Gain fRF = 915 MHz
S21 LNA
0.174 / 107.4 deg
2 Output impedance,
fRF = 915 MHz
S22 LNA
0.868 / -28.1 deg
3 Voltage Gain Antenna to
GAntMI
19
dB
IFO fRF = 915 MHz
Signal 3VOUT (PIN 24)
1 Output voltage
V3VOUT
2.9
3
3.1
V I3Vout = 5µA
2 Current out
I3VOUT
50
µA
Signal THRES (PIN 23)
1 Input Voltage range
VTHRES
0
VS-1
V see Section 4.1
2 LNA low gain mode
VTHRES
0
V
3 LNA high gain mode
VTHRES
3
VS-1
V or shorted to Pin 24
4 Current in
ITHRES_in
5
nA
Signal TAGC (PIN 4)
1 Current out,
LNA low gain state
ITAGC_out
3.8
4.2
4.8
µA RSSI > VTHRES
2 Current in,
LNA high gain state
ITAGC_in
1
1.5
2
µA RSSI < VTHRES
L Item
■
■
■
■
■
■
MIXER
Signal Input MI/MIX (PINS 8/9)
1 Input impedance,
S11 MIX
0.912 / -30.13 deg
■
fRF = 915 MHz
2 Input 3rd order intercept
IIP3MIX
-25
dBm
■
point
Wireless Components
5-5
Specification, December 2006