TDA5212 Datasheet, PDF (40/51 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
3 Voltage Gain Antenna to
G_AntMI
t.b.d.
dB
MI f_RF = 915 MHz
4 Noise Figure
NF_LNA
t.b.d.
dB
Signal Input LNI, V_THRES = GND, low gain mode
1 Input impedance,
f_RF = 915 MHz
S_{11 LNA}
0.753 / -86.26 deg
2 Input level @ 1dB C. P.
f_RF = 915 MHz
P1dB_LNA
t.b.d.
dBm
Signal Input LNI, V_THRES = GND, low gain mode
3 _{Input 3}^rd _{order intercept}
point f_RF = 915 MHz
IIP3_LNA
t.b.d.
dBm f_in = 914 & 916MHz
Signal Output LNO, V_THRES = GND, low gain mode
1 Gain f_RF = 915 MHz
S_{21 LNA}
0.174 / 107.4 deg
2 Output impedance,
f_RF = 915 MHz
S_{22 LNA}
0.868 / -28.1 deg
3 Voltage Gain Antenna to
G_AntMI
t.b.d.
dB
MI f_RF = 915 MHz
Signal 3VOUT (PIN 24)
1 Output voltage
V_3VOUT
2.9
3
3.1
V I_3Vout = 5µA
2 Current out
I_3VOUT
50
µA
Signal THRES (PIN 23)
1 Input Voltage range
V_THRES
0
V_S-1V V see Section 4.1
2 LNA low gain mode
V_THRES
0
V
3 LNA high gain mode
V_THRES
2.8
3
V_S
V or shorted to Pin 24
4 Current in
I_{THRES_in}
5
nA
Signal TAGC (PIN 4)
1 Current out,
LNA low gain state
I_{TAGC_out}
3.8
4.2
4.8
µA RSSI > V_THRES
2 Current in,
LNA high gain state
I_{TAGC_in}
1
1.5
2
µA RSSI < V_THRES
L Item
MIXER
Signal Input MI/MIX (PINS 8/9)
1 Input impedance,
f_RF = 915 MHz
2 _{Input 3}^rd _{order intercept}
point
S_{11 MIX}
IIP3_MIX
0.912 / -30.13 deg
-25
dBm
Wireless Components
5-5
Specification, May 2003