ATR4251-PFPY Atmel, ATR4251-PFPY Datasheet - Page 3

• Manufacturer Part Number: ATR4251-PFPY
• Description: IC AMP AM/FM ANT HI RANGE 24-QFN
• Manufacturer: Atmel

Specifications of ATR4251-PFPY

• Current - Supply: 11mA ~ 17mA
• Frequency: AM, FM
• Gain: 6dB
• Noise Figure: 2.8dB
• Package / Case: 24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
• Rf Type: Broadcast Radio
• Voltage - Supply: 8 V ~ 11 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• P1db: -
• Test Frequency: -

2. Pin Configuration
Figure 2-1.
Table 2-1.
4913J–AUDR–10/09
Paddle
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
Pinning QFN24
Pin Description QFN24
AGCCONST
AGCAMIN
TCONST
AMOUT1
FMGAIN
Symbol
AGCAM
FMOUT
VREF2
VREF4
AGCIN
VREF1
CREG
GND1
GND2
AGC1
AGC2
AMIN
FMIN
GND
GND
NC
NC
NC
NC
VS
Function
Pin must not be connected to any other pin or supply chain except GND.
Ground FM
AGC output for pin diode
AGC output for pin diode
Reference voltage for pin diode
AM input, impedance matching
Pin must not be connected to any other pin or supply chain except GND.
AM - AGC time constant capacitance 2
AM - AGC input
AM - AGC output for pin diode
AM - AGC - time constant capacitance 1
Pin must not be connected to any other pin or supply chain except GND.
Ground AM
AM output, impedance matching
Bandgap
FM AGC time constant
Supply voltage
Pin must not be connected to any other pin or supply chain except GND.
FM AGC input
FM output
Ground
FM gain adjustment
FM input
Reference voltage 2.7V
Ground Paddle
VREF2
AGC2
AGC1
AMIN
GND
NC
1
2
3
4
5
6
24 23 22 21 20 19
7 8
9 10 11 12
18
17
16
15
14
13
NC
VS
AGCCONST
VREF4
AMOUT1
GND1
ATR4251
3