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