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ATR4253 Datasheet(PDF) 2 Page - ATMEL Corporation

Part # ATR4253
Description  Highly Integrated - All-in-one Active Antenna IC Integrated AGC
PDF  9 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATR4253 Datasheet(HTML) 2 Page - ATMEL Corporation

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2
9194CS–AUDR–10/10
Atmel ATR4253
2.
Pin Configuration
Figure 2-1.
Pinning VQFN 3x3 / 16 Pins
ANT SENSE
VSTART
OVDET
VREGO
RFB
RFE
PD2
RFC
567
8
12
11
10
9
1
2
3
4
16
15
14
13
Atmel
ATR4253
Table 2-1.
Pin Description
Pin
Symbol
Function
1
ANT SENSE
Antenna sense input
2
VSTART
Comparator input of voltage detector
3
OVDET
Overvoltage detection input
4
VREGO
Voltage regulator output
5
GND1
Ground voltage regulator
6
VS
Supply voltage
7
TC
AGC time constant
8
DET
AGC level detector input
9
RFC
Amplifier Collector (NPN)
10
PD2
2nd AGC output for pin diode
11
RFE
Amplifier emitter (NPN)
12
RFB
Amplifier base (NPN)
13
BIAS
Bias voltage (2.7V)
14
GND2
Ground FM
15
REF
Reference voltage (6V)
16
PD1
1st FM AGC output for pin diode
Paddle
GND
Ground paddle



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