TDA5201 Infineon Technologies, TDA5201 Datasheet - Page 25

• Manufacturer Part Number: TDA5201
• Description: IC LP SGL CONV ASK P-TSSOP-28
• Manufacturer: Infineon Technologies
• Type: Receiverr

Specifications of TDA5201

• Package / Case: 28-TSSOP
• Frequency: 310MHz ~ 350MHz
• Sensitivity: -107dBm
• Modulation Or Protocol: ASK
• Applications: Alarm Systems, Communication Systems
• Current - Receiving: 4.8mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Operating Frequency: 350 MHz
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Product Depth (mm): 4.4mm
• Product Length (mm): 9.7mm
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Compliant
• Other names: SP000012902; TDA5201INTR

4.4
As described in
frequency range between 310 MHz and 350 MHz. The VCO signal is divided by 2 before applied to the mixer .
This local oscillator signal can be used to down-convert the RF signals both with high- or low-side injection at the
mixer. High-side injection of the local oscillator has to be used for receive frequencies between 310 MHz and 330
MHz. In this case the local oscillator frequency is calculated by adding the IF frequency (10.7 MHz) to the RF
frequency.
Low-side injection has to be used for receive frequencies between 330 MHz and 350 MHz. The local oscillator
frequency is calculated by subtracting the IF frequency (10.7 MHz) from the RF frequency then. The overall
division ratios in the PLL are 64 or 32 depending on whether the CSEL-pin is left open or tied to ground.
Therefore, the quartz frequency may be calculated by using the following formula:
with
ƒ
ƒ
ƒ
r
Table 4
CSEL
Open
GND
Example
Addition of 10.7 is used in case of operation the device at 315 MHz, subtraction in case of operation at 345 MHz
for instance. This yields the following frequencies:
CSEL tied to GND:
CSEL open:
Data Sheet
f
RF
LO
QU
f
f
f
f
QU
QU
QU
QU
QU
=
=
=
=
=
f
(
(
(
(
RF
345
315
345
315
−
r
Quartz Frequency Calculation
PLL Division Ratio Dependence on States of CSEL
10
MHz
MHz
MHz
MHz
Receive frequency
Local oscillator (PLL) frequency (
Quartz oscillator frequency
Ratio of local oscillator (PLL) frequency and quartz frequency as shown in the subsequent table
7 .
Chapter
−
+
−
+
10
10
10
10
7 .
7 .
7 .
7 .
3.4.3, the operating range of the on-chip VCO is wide enough to guarantee a receive
MHz
MHz
MHz
MHz
)
)
)
)
/
/
/
/
32
32
64
64
=
=
=
=
Ratio
64
32
10
10
. 5
. 5
.
2234
4469
.
0891
1781
r
ƒ
= (
RF
MHz
MHz
MHz
MHz
ƒ
± 10.7)
LO
/
25
ƒ
QU
)
ASK Single Conversion Receiver
Revision 1.6, 2010-12-21
Applications
TDA 5201
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