TDA5211 Datasheet, PDF (38/52 Pages) Infineon Technologies AG – ASK/FSK Single Conversion Receiver

TDA 5211
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
G_AntMI
21
dB
to MI f_RF = 315 MHz
4 Noise Figure
NF_LNA
2
dB excluding matching
network loss - see
Appendix
Signal Input LNI, V_THRES = GND, low gain mode
1 Input impedance,
f_RF = 315 MHz
S_{11 LNA}
0.918 / -25.2 deg
2 Input level @ 1dB C. P. P1dB_LNA
-7
f_RF = 315 MHz
dBm matched input
3 _{Input 3}^rd _{order intercept} IIP3_LNA
-13
dBm f_in = 315 & 317MHz
point f_RF = 315 MHz
Signal Output LNO, V_THRES = GND, low gain mode
1 Gain f_RF = 315 MHz
S_{21 LNA}
0.193 / 153.7 deg
2 Output impedance,
f_RF = 315 MHz
S_{22 LNA}
0.907 / -10.5 deg
3 Voltage Gain Antenna
G_AntMI
2
dB
to MI f_RF = 315 MHz
Signal 3VOUT (PIN 24)
1 Output voltage
V_3VOUT
2.9
3.1
3.3
V 3VOUT Pin open
2 Current out
I_3VOUT
-3
-5
-10
µA see Section 4.1
Signal THRES (PIN 23)
1 Input Voltage range
V_THRES
0
V_S
V see Section 4.1
2 LNA low gain mode
V_THRES
0
0.3
V
3 LNA high gain mode
V_THRES
3.3
V_S
V or shorted to VCC
4 Current in
I_{THRES_in}
5
nA
Signal TAGC (PIN 4)
1 Current out,
LNA low gain state
I_{TAGC_out}
-3.6
-4.2
-5
µA RSSI > V_THRES
2 Current in,
LNA high gain state
I_{TAGC_in}
1
1.6
2.2
µA RSSI < V_THRES
L Item
s
s
s
s
s
s
s
s
MIXER
Signal Input MI/MIX (PINS 8/9)
1 Input impedance,
S_{11 MIX}
0.954 / -10.9 deg
s
f_RF = 315 MHz
2 _{Input 3}^rd _{order intercept} IIP3_MIX
-25
dBm
s
point
Wireless Components
5-5
Specification, May 2001