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TDA5101 Datasheet(PDF) 3 Page - Infineon Technologies AG

Part No. TDA5101
Description  ASK Transmitter 315 MHz
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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 3 page
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Productinfo
Product Info
TDA 5101A
preliminary
Semiconductor Group
Confidential
Specification, May 1999
Package
Ā±0.1
3
0.42 -0.1
+0.15
H
A
0.1
4.9
M
0.25
A B C
3Ā±0.1
C
B
A
0.08 M
0.22 Ā±0.05
A
C
B
0.5
Index Marking
Productinfo
General Description
The TDA5101A is a single chip
ASK transmitter for the frequency band
315 MHz. The IC offers a high level of
integration and needs only a few exter-
nal components. The device contains a
fully integrated PLL synthesizer and a
high efficiency power amplifier to drive
a loop antenna. A special circuit design
and an unique power amplifier design
are used to save current consumption
and therefore to save battery live. Addi-
tionally features like a power down
mode, a low power detect and a
divided clock output are implemented.
Features
s
fully integrated frequency synthe-
sizer
s
VCO without external components
s
high efficiency power amplifier
s
frequency range 315 MHz
s
ASK modulation
s
low supply current (typically < 7mA)
s
voltage supply range 2.1 - 4 V
s
power down mode
s
low voltage sensor
s
low external component count
Applications
s
Keyless entry systems
s
Remote control systems
s
Alarm systems
s
Communication systems
Ordering Information
Type
Ordering Code
Package
TDA 5101A
P-TSSOP-10




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