tda5251f1 Infineon Technologies Corporation, tda5251f1 Datasheet - Page 75

• Manufacturer Part Number: tda5251f1
• Description: Ask/fsk 315mhz Wireless Transceiver
• Manufacturer: Infineon Technologies Corporation

Confidential
4.1.3
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
RECEIVER Characteristics
Preliminary Specification
10
11 Data detection setup
12
13
14 Input P
15
16
17
#
1 Supply current RX FSK
2 Supply current RX FSK
3 Supply current RX ASK I
4 Supply current RX ASK I
5
6
7
8 System setup time (1
9
Clock Out setup time
Power down current
Receiver setup time
Input P
power on or reset)
RSSI stable time
Sensitivity FSK
Sensitivity ASK
Data Valid time
LO leakage
Parameter
Selectivity
10
10
1dB
AC/DC Characteristics
1dB
-3
-3
time
AC/DC Characteristics with T
BER
BER
, high gain
, low gain
st
I
t
V
PWDN_RX
P
t SYSSU
t CLKSU
Data_Valid
Symbol
RFsens
RFsens
I
I
RX_ASK
RX_ASK
RX_FSK
RX_FSK
BL_1MHz
t
t
1dB_low
t
P
RXSU
DDSU
P
RSSI
1dB
LO
1.54
1.82
1.82
min
4
Limit Values
-48dBm
-32dBm
A
-109
-109
3.35
-102
typ
9.3
9.8
8.8
9.4
0.5
2.2
2.6
2.6
= 25 °C, V
50
75
5
8
max
2.86 ms
3.38 ms Begin of Data detection
3.38 ms
12
VCC
dBm FSK@30kHz, 4kBit/s
dBm ASK, 4kBit/s Manch.
dBm 3V, Default, high gain
dBm 3V, Default, low gain
dBm
Unit
mA
mA
mA
mA
ms
ms stable CLKDIV output
ms
nA
dB
= 2.1 ... 5.5 V
7kHz datafilter, 50kHz
Manch. Data, Default
5.5V, all power down
f
RF
data, Default setup
DATA out (valid or
Test Conditions
3V, ASK, Default
5V, ASK, Default
3V, FSK, Default
5V, FSK, Default
see chapter 4.5
detected (valid)
7kHz datafilter,
4kBit/s Manch.
RFin -100dBm
+/-1MHz, Default,
50kHz IQ filter
RF
578,9MHz
IQ filter
invalid)
sens
signal
+3dB
TDA5251 F1
Version 1.0
Reference
2003-02-18
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