TDA5255E1 Datasheet, PDF (78/93 Pages) Infineon Technologies AG – ASK/FSK 434MHz Wireless Transceiver

TDA5255 E1
Version 1.1
Confidential
Reference
4.1.3 AC/DC Characteristics
AC/DC characteristics involve the spread of values guaranteed within the specified voltage and
ambient temperature range. Typical characteristics are the median of the production.
Table 4-3 AC/DC Characteristics with T_A = 25 °C, V_VCC = 2.1 ... 5.5 V
#
Parameter
Symbol Limit Values Unit Test Conditions
min typ max
RECEIVER Characteristics
L Item
1 Supply current RX FSK IRX_FSK
9
2 Supply current RX FSK IRX_FSK
9.5
mA 3V, FSK, Default
mA 5V, FSK, Default
3 Supply current RX ASK IRX_ASK
8.6
4 Supply current RX ASK IRX_ASK
9.1
mA 3V, ASK, Default
mA 5V, ASK, Default
5 Sensitivity FSK
10^-3 BER
RFsens
6 Sensitivity ASK
10^-3 BER
RFsens
-109
-109
dBm FSK@35kHz, 4kBit/s X
Manch. Data, Default
7kHz datafilter, 50kHz
IQ filter
dBm ASK, 4kBit/s Manch. X
data, Default setup
7kHz datafilter,
50kHz IQ filter
7 Power down current IPWDN_R
5
nA 5.5V, all power down
X
8 System setup time (1^st tSYSSU 4
power on or reset)
8 12 ms
9 Clock Out setup time tCLKSU
0.5
ms stable CLKDIV output
signal
10 Receiver setup time tRXSU 1.54 2.2 2.86 ms DATA out (valid or
invalid)
11 Data detection setup tDDSU 1.82 2.6 3.38 ms Begin of Data detection
time
12 RSSI stable time
tRSSI 1.82 2.6 3.38 ms RFin -100dBm
see chapter 4.5
13 Data Valid time tData_Vali
3.35
ms 4kBit/s Manch.
d
detected (valid)
14 Input P_1dB, high gain P1dB
15 Input P_1dB, low gain P1dB_low
16
Selectivity
VBL_1MH
z
17
LO leakage
PLO
Preliminary Specification
-48dBm
-32dBm
50
-102
78
dBm 3V, Default, high gain X
dBm 3V, Default, low gain X
dB f_RF+/-1MHz, Default, X
RF_sens+3dB
dBm
578,9MHz
X
2002-11-28