TDA5251F1 Datasheet, PDF (79/88 Pages) Infineon Technologies AG – ASK/FSK 315MHz Wireless Transceiver

Confidential
TDA5251 F1
Version 1.0
Reference
Table 4-5 Digital Characteristics with T_A = 25 °C, V_Vdd = 2.1 ... 5.5 V
#
Parameter
Symbol Limit Values Unit Test Conditions
min typ max
1
Data rate TX ASK
f_TX.ASK
10
kBaud
PRBS9,
Manch.@+9dBm
2
Data rate TX FSK
f_TX.FSK
10
kBaud
PRBS9,
Manch.@+9dBm
@30kHz dev.
3
Data rate RX ASK
f_RX.ASK
4
Data rate RX FSK
f_RX.FSK
10
kBaud PRBS9, Manch.
10
kBaud PRBS9, Manch.
@30kHz dev.
L Item
X1
X1
X
X
5
Digital Inputs
High-level Input Voltage
Low-level Input Voltage
VIH V_dd-
VIL 0.2
0
V_dd V
0.2 V
6
RXTX Pin 5
VOL
TX operation, int. controlled
0.4
V
1.15
V
7
CLKDIV Pin 26
trise (0.1*Vdd to 0.9*Vdd)
tfall (0.9*Vdd to 0.1*Vdd)
Output High Voltage
Output Low Voltage
tr
tf
VOH
VOL
Bus Interface Characteristics
35
ns
30
ns
Vdd-
V
0.4
V
0.4
X
@Vdd=3V
X
Isink=800uA
Isink=3mA
@Vdd=3V
X
load 10pF
load 10pF
I_source=350uA
I_sink=400uA
9 Pulse width of spikes which t_SP
0
must be suppressed by the
input filter
10 LOW level output voltage at V_OL
BusData
11 SLC clock frequency
f_SLC
0
12 Bus free time between STOP t_BUF 1.3
and START condition
13 Hold time (repeated) START t_HO.STA 0.6
condition.
50 ns
V_dd=5V
X
0.4 V 3mA sink current X
V_dd=5V
400 kHz
µs
V_dd=5V
X
only I²C mode X
V_dd=5V
µs After this period, the X
first clock pulse is
generated, only I²C
Preliminary Specification
79
2003-02-18