ATR0981-TRHY中文资料

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Features

•High-power-added Efficient Power Amplifier (Pout Typically 29 dBm)•Controlled Output Power•Low-noise Preamplifier (NF Typically 1.5 dB) •Few External Components•PSSO20 Plastic Package with Down-set Paddle

Electrostatic sensitive device. Observe precautions for handling.

1.Description

The ATR0981 is a monolithic IC manufactured using Atmel’s advanced SiGe technol-ogy. The IC performs a transmit and receive front-end function, dedicated for a frequency range of 300 MHz to 500 MHz. It consists of a Low-Noise Amplifier (LNA) and a Power Amplifier (PA) with good Power-added Efficiency (PAE).

Figure 1-1.Block Diagram

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10820191817

BIAS

BIAS161514121113UHF SiGe

Front-end IC

ATR0981

Preliminary

Rev. 4862A–SIGE–09/05元器件交易网www.cecb2b.com

2

4862A–SIGE–09/05ATR0981 [Preliminary] 2.Pin Configuration

Figure 2-1.Pinning PSSO20 with Down Set Paddle

GND4

VS_CTRLGND5LNA_OUTGND4PA_INPOUT_CONTROLGND3NCGND6V2_PAGND51234567891020191817161514131211V3_PA_OUTV3_PA_OUTV3_PA_OUT

GND3

GND2

GND1LNA_IN

BIAS_LNATable 2-1.Pin Description

PinSymbolFunction

1V3_PA_OUTMatching network for power amplifier output

2V3_PA_OUTInductor to power supply and matching network for power amplifier output

3V3_PA_OUTInductor to power supply and matching network for power amplifier output

4GND4Ground

5GND3Ground

6NCNot connected

7GND2Ground

8LNA_INLow-noise amplifier input

9GND1Ground

10BIAS_LNAResistor to VS sets the LNA current

11VS_CTRLSupply voltage for control of power amplifier

12GND5Ground

13LNA_OUTLow-noise amplifier output and supply voltage

14GND4Ground

15PA_INPower amplifier input

16GND3Ground

17POUT_CONTROLPower amplifier control input

18GND6Ground

19V2_PASupply voltage for power amplifier

20GND5Ground元器件交易网www.cecb2b.com 3

4862A–SIGE–09/05 ATR0981 [Preliminary]

3.Absolute Maximum Ratings All voltages are referred to GND (Pins 7, 9, 16, 18, 20, Slug)

ParametersSymbolMin.Max.Unit

Supply voltage PA, TX, pins 1, 2, 3, 11, 19VS_PA5V

Supply voltage LNA, RX, pin 13VS_LNA2.8V

PA control voltage, TX, pin 17VCNTL5V

Junction temperatureTjmax150°C

Storage temperatureTStg–55+125°C

Electrostatic handling HMB, all RF pinsVESD200V

Electrostatic handling HMB, all control pinsVESD2kV

4.Operating Range

All voltages are referred to GND (Pins 7, 9, 16, 18, 20, Slug). The following table represents the sum of all supply currents into the mentioned pins.

ParametersTest Conditions/PinsSymbolMin.Typ.Max.Unit

Supply voltage PATX, pins 1, 2, 3, 11, 19VS_PA3.03.64.5V

Supply voltage LNARX, pin 13VS_LNA2.42.52.6V

Supply current PATX, pins 1, 2, 3, 11, 19IS_PA400mA

Supply current LNAPins 10, 13IS_LNA2.5mA

Ambient temperatureTamb–30+25+60°C

5.Thermal Resistance

ParametersSymbolValueUnit

Junction ambientRthJA19K/W元器件交易网www.cecb2b.com

4

4862A–SIGE–09/05ATR0981 [Preliminary]

Notes:1.Power amplifier should be unconditionally stable, maximum duty cycle 100%, true cw operation, maximum load mismatch 10:1 for 5s at 3.6V2.Ensured by design6.Electrical Characteristics

Test conditions (unless otherwise specified) : VS_PA = 3.6V, Tamb = 25°C.

ParametersTest Conditions/PinsSymbolMin.Typ.Max.Unit

Power Amplifier(1)

Supply voltageTX, pins 1, 2, 3, 11, 19VS_PA3.03.64.5V

Supply currentTX, pins 1, 2, 3, 11, 19IS_PA400550mA

Frequency rangeTXf300500MHz

Power gainTX, pin 15 to pins 1, 2, 3Gp3034dB

Output power control rangeTX∆Pout±1±3dB

Control voltageTX, output power (maximum), pin 172.02.5V

TX, output power (minimum), pin 170.7V

Control currentPin 170400µA

Shut down modeControl voltage ≤ 0.1V, pins 1, 2, 3, 11, 19IS_PA1020µA

Power added efficiencyTX at 466 MHzPAE5055%

Saturated output powerTX, input power 3 dBmPsat27.52930.5dBm

HarmonicsTX, input power 3 dBm2 fo–20dBc

TX, input power 3 dBm3 fo–20dBc

Low-noise Amplifier

Supply voltageRX, pins 10, 13VS_LNA2.42.52.6V

Supply currentRX, pins 10, 13IS_LNA2.53.5mA

Frequency rangeRXf300500MHz

Power gainRX at R1 = 5.6 kΩ, IS = 2.5 mAGp17.51920.5dB

Noise figure(2)RX at R1 = 5.6 kΩ, IS = 2.5 mANF1.52.0dB

IsolationRX at R1 = 5.6 kΩ, IS = 2.5 mAISO20dB

Third-order input interception pointRX at R1 = 5.6 kΩ, IS = 2.5 mAIIP3–13–10dBm元器件交易网www.cecb2b.com 5

4862A–SIGE–09/05 ATR0981 [Preliminary]

7.Typical Characteristics

Figure 7-1.Power Sweep

Figure 7-2.Ramp Sweep

Figure 7-3.VCC Sweep

-20.0-10.00.010.020.030.040.050.060.070.0

-50.0-40.0-30.0-20.0-10.00.010.020.0Pin (dBm)PAE (%)

Pout (dBm)

Gain (dB)Pout

GainPAE

010203040506070

0.000.501.001.502.002.503.003.50Vramp (V) PAE (%)

Pout (dBm)

PoutPAE

0.010.020.030.040.050.060.070.0

0.01.02.03.04.05.0VCC (V)PAE (%)

Pout (dBm)PAE

Pout元器件交易网www.cecb2b.com