TDA5240 Datasheet, PDF (135/284 Pages) Infineon Technologies AG – Enhanced Sensitivity Multi-Channel Quad-Configuration Receiver

TDA5240
Reference
# _Parameter
Symbol Limit Values Unit
min. typ. max.
Test Conditions
Remarks
General RF Characteristics (overall)
D1 Frequency
Range 1
f_{band_1}
Range 2
f_{band_2}
Range 3
f_{band_3}
Range 4
f_{band_4}
D2
Frequency step of f_step
Sigma-Delta PLL
300
425
863
902
10.5
320
MHz 1^st Local Oscillator
450
MHz
Low Side LO-injection
and High Side LO-
870
MHz ^{injection allowed;}
See also Chapter 3
928
MHz
Hz
f_step = f_XTAL / 2²¹
■
D3 ASK Demodulation
Data Rate
R_data
0.5
Data rate tol.
R_{data_tol}
-10
Modulation index
m_ASK
50
m_OOK
99
D4 FSK Demodulation
40
kchip/s
■
+10
%
■
100
%
ASK
■
100
%
ON-OFF keying
■
Data Rate
R_data
0.5
Data rate tol.
R_{data_tol}
-10
Frequency deviation Δf
1
112
kchip/s including tolerance
■
+10
%
■
64
kHz frequency deviation
■
zero-peak
Modulation index
m_FSK
1.0
m = frequency_
■
deviation_zero-peak /
maximum_occuring_data
_frequency;
m >= 1.25 is
recommended at small
frequency deviation
D5 Decoding schemes
Manchester, differential Manchester,
Bi-phase Mark / Bi-phase Space
Duty cycle ASK
T_chip/
T_data
Duty cycle FSK
T_chip/
T_data
D6 Overall noise figure
Noise figure
NF
35
55
%
see Chapter 2.7.2
■
Definition C
45
55
%
see Chapter 2.7.2
■
Definition B
6
8
RF input matched to 50 Ω
dB
@ T_amb = 25 °C
■
Data Sheet
135
V4.0, 2010-02-19