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TDA5255E1 Datasheet, PDF (80/93 Pages) Infineon Technologies AG – ASK/FSK 434MHz Wireless Transceiver
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TDA5255 E1
Version 1.1
Reference
Table 4-4 AC/DC Characteristics with TA = 25 °C, VVCC = 2.1 ... 5.5 V
#
Parameter
Symbol Limit Values Unit Test Conditions
min typ max
L Item
GENERAL Characteristics
1 Power down current IPWDN_32k
9
timer mode (standby)
2 Power down current IPWDN_32k
11
timer mode (standby)
3 Power down current with IPWDN_Xtl
750
XTAL ON
4 Power down current with IPWDN_Xtl
860
XTAL ON
uA 3V, 32kHz clock on
uA 5V, 32kHz clock on
uA 3V, CONFIG9=1
uA 5V, CONFIG9=1
5 32kHz oscillator freq. f32kHz 24 32 40 kHz
6 XTAL startup time
tXTAL
7 Load capacitance
8 Serial resistance of the
crystal
9 Input inductance XOUT
10 Input inductance XOUT
CC0max
RRmax
LOSC
LOSC
0.5
ms IFX Board with Crystal Q1 as X
specified in Section 4.4
5
pF
X
100 W
X
2.7
2.45
uH with pad on evaluation board X
uH without pad on evaluation X
board
11 FSK demodulator gain GFSK
2.4
mV/
kHz
12 RSSI@-120dBm U-120dBm
0.35
V
default setup
X
13 RSSI@-100dBm U-100dBm
0.55
V
default setup
X
14 RSSI@-70dBm
U-70dBm
1
V
default setup
X
15 RSSI@-50dBm
U-50dBm
1.2
V
default setup
X
16
RSSI Gradient
GRSSI
14
mV/
default setup
X
dB
17 IQ-Filter bandwidth f3dB_IQ 115 150 185 kHz
Default setup
X
18 Data Filter bandwidth f3dB_LP 5.3 7 8.7 kHz
Default setup
X
19 Vcc-Vtune RX, Pin3 Vcc-tune,RX 0.5 1 1.6 V
20 Vcc-Vtune TX, Pin3 Vcc-tune,TX 0.5 1.1 1.6 V
fRef=18.08956MHz
fRef=18.08956MHz
Preliminary Specification
80
2002-11-28