ATR4252-RAPW datasheet(7/10 Pages) ATMEL

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9154AS–AUDR–09/09

ATR4252 [Preliminary]

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

FMAGC ON

VS, FMC,

AM LNA OUT

amb = –40 to +105°C;

FMAGC ON

VS, FMC,

AM LNA OUT

AM LNA+ Buffer(2)

2.1

Input capacitance

f = 1 MHz

AM LNA IN

AMLNAIN

2.4

Voltage gain

f = 1 MHz

AM/FM-OUT

2.5

Input noise voltage

Buffer OUT,

BIAS = 4.7 MΩ, B = 9 kHz

f = 1 MHz

Antenna

Dummy Input

–

dBµV

2.7

Maximum operating

frequency

3 dB corner

AM/FM-OUT

MHz

2.8

OIP3(1)

AM/FM Out;

finp = 1 MHz + 1.1 MHz,

out = 110 dBµV,

1K II 500 pF load,

Vs = 10V

144

dBµV

2.9

OIP2(1)

AM/FM Out;

inp = 1MHz + 1.1MHz,

Vout = 110 dBµV,

1K II 500 pF load,

Vs = 10V

170

dBµV

4AM AGC

4.1

Input resistance

AM DET

AMDET

4.2

Input capacitance

f = 1 MHz

AM DET

CAMDET

2.6

3.2

3.8

4.4

3 dB corner frequency

AGC threshold increased by

3dB

AM PD

MHz

4.5

Saturation voltage

10 mA

AM PD

VS – 1.9

4.6

Leakage current

AM PD

µA

4.7

Maximum PIN Diode

current

AGC active

AM PD

5FM Amplifier

5.3

Supply current

Common base

FMC

5.4

Supply current (3)

Common emitter

FMC

IFMC

5.5

Maximum output

voltage

Vs = 10V

FMC

Vpp

5.6

Input resistance

f = 100 MHz

FM IN

RFMIN

5.7

Maximum operating

frequency

3dB corner,

common emitter

FM OUT

450

MHz

5.8

Output resistance

f = 100 MHz

FM OUT

RFMOUT

Notes:

1. AGC Loop deactivated

2. Measured with antenna dummy.

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