TDA5255XT Infineon Technologies, TDA5255XT Datasheet - Page 33

• Manufacturer Part Number: TDA5255XT
• Manufacturer: Infineon Technologies

Specifications of TDA5255XT

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 4.4mm
• Product Length (mm): 9.7mm
• Operating Supply Voltage (min): 2.1V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Compliant

With default settings the clock generating units are disabled during PD, therefore no clock is
available at the clock output pin. It is possible to offer a clock signal at the clock output pin every
time (also during PD) if the CLK_EN Bit in the CONFIG register is set to HIGH.
Figure 2-15
Note: The time values are typical values
Figure 2-16
*
Note: The time values are typical values
Data Sheet
State is either „I“ or „O“ depending on time of setting into powerdown
DC OFFSET COMPENSATION
DC OFFSET COMPENSATION
PEAK DETECTOR EN
DATADETECTION EN
POWER AMP EN
PEAK DETECTOR EN
DATADETECTION EN
POWER AMP EN
XTAL EN
STATUS
0.5ms
t
XTAL EN
CLKSU
STATUS
1
1st start or reset in PD mode
0.5ms
st
t
CLKSU
start or reset in active mode
RESET
or 1
PWDDD = low
TX activ or RX activ
st
RESET
or 1
PWDDD = high
POWER ON
st
POWER ON
CLOCK FOR EXTERNAL µP
t
SYSSU
8ms
CLOCK FOR EXTERNAL µP
1.1ms
t
TXSU
PD
if RX
if RX
if RX
if TX
t
2.2ms
t
2.6ms
RXSU
DDSU
t
0.5ms
33
PWDDD = low
CLKSU
PD
*
TX activ or RX activ
t
SYSSU
8ms
TX activ
1.1ms
t
TXSU
t
1.1ms
TXSU
if RX
t
0.5ms
CLKSU
PD
*
if RX
if RX
if TX
t
2.2ms
t
2.6ms
RXSU
DDSU
RX activ
Functional Description
0.5ms
t
CLKSU
t
2.2ms
t
2.6ms
PD
*
RXSU
DDSU
TX activ
Sequenzer_Timing_pupstart.wmf
t
1.1ms
Sequenzer_Timing_pdstart.wmf
TXSU
TX activ
t
1.1ms
TXSU
TDA5255 E1
Version 1.2
RX activ
RX activ
2007-02-26
t
2.2ms
t
2.6ms
RXSU
DDSU
t
2.2ms
t
2.6ms
RXSU
DDSU