ATR4252-RAQW Atmel, ATR4252-RAQW Datasheet - Page 2

• Manufacturer Part Number: ATR4252-RAQW
• Description: IC ANTENNA AMP AM/FM SOLUTN 28QF
• Manufacturer: Atmel

Specifications of ATR4252-RAQW

• Current - Supply: 99mA
• Frequency: 30MHz
• Gain: 5dB ~ 8dB
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Rf Type: AM, FM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Noise Figure: -
• P1db: -
• Test Frequency: -

2. Pin Configuration
2
ATR4252
Figure 2-1.
Table 2-1.
Pin
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
Pinning VQFN 4x5 / 28L
Pin Description
ANTENNA SENSE
CASCODE FILTER
AM LNA SOURCE
VS FILTER
VSTART
FMBIAS
Symbol
VREGO
AMOUT
AMDET
FMDET
OVDET
AMTC1
AMTC2
FMPD
GND1
FMTC
GND2
AM LNA OUT
FMC
FME
FMB
VS
AM LNA IN
AMBUF IN
AMBIAS
23
24
25
26
27
28
22
1
Antenna sense input
Supply voltage filter input
Comparator input of voltage detector
Overvoltage detection input
Output of voltage regulator
AM AGC time-constant capacitance 1
AM AGC time-constant capacitance 2
Level detector input of AM-AGC
Ground AM
Supply voltage
FM AGC time constant
Level detector input of FM-AGC
FM AGC output for pin diode
FM amplifier base (NPN)
Reference voltage 2.7V FM
Ground FM
Function
AM output, impedance matching
Collector of FM amplifier (NPN)
FM amplifier emitter(NPN)
21 20 19
2
3
ATR4252
4
18 17 16 15
5
6
7
8
14
13
12
11
10
9
FMC
FMDET
FMTC
VS
AMOUT
GND1
9154AS–AUDR–09/09