tda5235 Infineon Technologies Corporation, tda5235 Datasheet - Page 134

• Manufacturer Part Number: tda5235
• Description: Enhanced Sensitivity Double-configuration Receiver With Digital Baseband Processing
• Manufacturer: Infineon Technologies Corporation

Data Sheet
C7
C8
C9
C10
C11
C12
C13
C14
C15
C15.1 uncalibrated
C15.2 calibrated
C16
C16.1 uncalibrated
C16.2 calibrated
#
Parameter
Supply current
during RF-FE startup
/ BPF calibration
Brownout detector
threshold
Receiver reset time
Receiver startup
time
RF Channel Hop
Latency Time and
Configuration (Hop)
Change Latency
Time (e.g. Cfg A to
Cfg B)
RF Frontend startup
delay
P_ON pulse width
NINT pulse length
Accuracy of Temperature Sensor
Accuracy of VDDD readout
Symbol
I
startup,BPFcal
V
t
t
t
t
t
t
T
T
V
uncal
V
cal
RF-FE-
Reset
RXstartup
C_Hop
RFstartdelay
P_ON
NINT_Pulse
Error, uncal
Error, cal
BOR
DDD, Error,
DDD, Error,
min. typ.
2.3
1.0
455
111
350
15
Limit Values
2.2
2.45
455
111
350
12
134
max.
2.9
2.6
3.0
455
111
350
+/- 23
+/- 4.5
+/- 200
+/- 25
Unit
mA
V
ms
µs
µs
µs
µs
µs
°C
°C
mV
mV
Remarks
Note: No SPI
communication is allowed
before XOSC start-up is
finished and chip reset is
already finished
Time to startup RF
frontend (comprises time
required to switch crystal
oscillator from Low Power
Mode to High Precision
Mode
Time to switch RF PLL
between different RF
Channels (does not
include settling of Data
Clock Recovery) and time
to change Configuration
Delay of startup of RF
frontend
Minimal pulse width to
reset the chip
Pulse width of interrupt
range -40°C .. +105°C;
using upper 8 ADC bits
(ADCRESH)
value
after 1-point calibration at
room temperature (3
sigma)
range -40°C .. +105°C;
using upper 8 ADC bits
(ADCRESH)
value
after 1-point calibration at
room temperature (3
sigma)
Test Conditions
Valid for temperature
uncalibrated (3 sigma)
Valid for temperature
uncalibrated (3 sigma)
V1.0, 2010-02-19
Reference
TDA5235
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