ATR4252-RAPW datasheet(7/10 Pages) ATMEL

Part #	ATR4252-RAPW

Description	All-in-One IC Solution for Active Antennas

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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7

9154AS–AUDR–09/09

ATR4252 [Preliminary]

5.

Electrical Characteristics

Verified on test circuits (demo design made by Atmel), VS = 10 V, Tamb = 25°C, unless otherwise specified

No.

Parameters

Test Conditions

Symbol

Min.

Typ.

Max.

Unit

1.1

Supply current

AGC OFF

VS, FMC,

AM LNA OUT

Is

77

mA

FMAGC ON

VS, FMC,

AM LNA OUT

Is

85

95

mA

T

amb = –40 to +105°C;

FMAGC ON

VS, FMC,

AM LNA OUT

Is

99

mA

2

AM LNA+ Buffer(2)

2.1

Input capacitance

f = 1 MHz

AM LNA IN

C

AMLNAIN

12

pF

2.4

Voltage gain

f = 1 MHz

AM/FM-OUT

9

dB

2.5

Input noise voltage

Buffer OUT,

R

BIAS = 4.7 MΩ, B = 9 kHz

f = 1 MHz

Antenna

Dummy Input

VN

–

12

dBµV

2.7

Maximum operating

frequency

3 dB corner

AM/FM-OUT

30

MHz

2.8

OIP3(1)

AM/FM Out;

finp = 1 MHz + 1.1 MHz,

V

out = 110 dBµV,

1K II 500 pF load,

Vs = 10V

144

dBµV

2.9

OIP2(1)

AM/FM Out;

f

inp = 1MHz + 1.1MHz,

Vout = 110 dBµV,

1K II 500 pF load,

Vs = 10V

170

dBµV

4AM AGC

4.1

Input resistance

AM DET

R

AMDET

40

50

k

Ω

4.2

Input capacitance

f = 1 MHz

AM DET

CAMDET

2.6

3.2

3.8

pF

4.4

3 dB corner frequency

AGC threshold increased by

3dB

AM PD

30

MHz

4.5

Saturation voltage

10 mA

AM PD

VS – 1.9

V

4.6

Leakage current

AM PD

4

µA

4.7

Maximum PIN Diode

current

AGC active

AM PD

22

35

mA

5FM Amplifier

5.3

Supply current

Common base

FMC

I

FMC

29

mA

5.4

Supply current (3)

Common emitter

FMC

IFMC

35

mA

5.5

Maximum output

voltage

Vs = 10V

FMC

12

Vpp

5.6

Input resistance

f = 100 MHz

FM IN

RFMIN

50

Ω

5.7

Maximum operating

frequency

3dB corner,

common emitter

FM OUT

450

MHz

5.8

Output resistance

f = 100 MHz

FM OUT

RFMOUT

50

Ω

Notes:

1. AGC Loop deactivated

2. Measured with antenna dummy.

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