TDA5235
Reference
#
Parameter
Symbol
Limit Values
Unit Test Conditions
Remarks
min. typ. max.
E5
FE voltage
conversion gain
AVFE, min
22
24
26
dB
max. IF attenuation
(IFATT = 15);
input matched to 50 Ω;
Insertion loss of input
matching network = 1dB
R
load_IF = 330 Ω;
tested at 434 MHz
E6
FE voltage
0.8
dB
12dB / 15 = 0.8dB/step
■
conversion gain step
Double Down
Conversion: 16 gain
settings (4 bit)
Single Down Conversion:
7 gain settings
E7
1st Local Oscillator SSB Noise
PLL loop Bandwidth BW
closed loop
E7.1
E7.2
100
150
-81
200
-76
kHz
BW and its tolerances
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
fin_R1 = 315MHz
fin_R2 = 434MHz
fin_R3 = 868MHz
fin_R4 = 915MHz
dSSB_LO
dSSB_LO
dSSB_LO
dSSB_LO
dBc/Hz @ foffset = 1 kHz
@ foffset = 10 kHz
@ foffset = 100 kHz
@ foffset = 1 MHz
@ foffset => 10 MHz
dBc/Hz @ foffset = 1 kHz
@ foffset = 10 kHz
@ foffset = 100 kHz
@ foffset = 1 MHz
@ foffset => 10 MHz
dBc/Hz @ foffset = 1 kHz
@ foffset = 10 kHz
@ foffset = 100 kHz
@ foffset = 1 MHz
@ foffset => 10 MHz
dBc/Hz @ foffset = 1 kHz
@ foffset = 10 kHz
@ foffset = 100 kHz
@ foffset = 1 MHz
@ foffset => 10 MHz
dBm
-85
-80
-82
-77
-120
-130
-78
-115
-125
-73
E7.3
E7.4
E7.5
-83
-78
-82
-77
-117
-130
-75
-112
-125
-70
-79
-74
-77
-72
-114
-130
-71
-109
-125
-66
-79
-74
-77
-72
-116
-130
-111
-125
-57
E8.1
E8.2
Spurious emission < 1 GHz
Spurious emission > 1 GHz
-47
dBm
Data Sheet
140
V1.0, 2010-02-19
INFINEON [ Infineon ]
