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Technical content

Features

The AAT530B5 is a GaAs MMIC binary-weighted five bit positive c ontrol digital attenuator. The device operates from 0.5 to 3.0 G Hz with a control and supply voltage +3 V. The AAT530B5 has and LSB of 1 dB and total attenuation of 31 dB. An external supply voltage of 3 V is required. The AAT530B5 is composed of six cascaded fixed attenuator s. The state of attenuators is controlled by the logic level voltage. The attenuator bit values are 1(LSB), 2, 4, 8, 16 dB for a total attenuation of 31dB. Attenuation accuracy is excellent at ±0.3 dB typical step error with an IIP3 of 42 dBm. Electrical Specifications

2/6 ASB Inc.  sales@asb.co.kr  Tel: +82-42-528-7225 September. 2013 AAT530B5 0.5 ~ 3.0 GHz LSB 1 dB, 5 Bit Digital Attenuator Outline Drawing Note: Backside metal paddle is RF and DC ground. Pin No. Function Pin No. Function.

1 V1 9 NC

2 VDD 10 RF2

3 RF1 11 NC

4 NC 12 NC

5 NC 13 V5

6 NC 14 V4

7 NC 15 V3

8 NC 16 V2

Symbols Dimensions (In mm) MIN NOM MAX A 0.80 0.85 0.90 A1 0 0.010 0.030 A3 --- 0.20REF --- b 0.25 0.30 0.35 D 3.95 4.00 4.03 D1 --- 2.60BSC --- E 3.95 4.00 4.03 E1 --- 2.60BSC --- e --- 0.65BSC --- L 0.35 0.40 0.45  -12 --- 0 ccc --- 0.08 --- M --- --- 0.05 Burr 0 0.030 0.060 T530B5 Part No.

3/6 ASB Inc.  sales@asb.co.kr  Tel: +82-42-528-7225 September. 2013 AAT530B5 0.5 ~ 3.0 GHz LSB 1 dB, 5 Bit Digital Attenuator Normalized Attenuation Insertion Loss vs. Frequency Bit Error vs. Frequency Return Loss vs. Frequency

4/6 ASB Inc.  sales@asb.co.kr  Tel: +82-42-528-7225 September. 2013 AAT530B5 0.5 ~ 3.0 GHz LSB 1 dB, 5 Bit Digital Attenuator Attenuation state Control Voltage Input 1 dB 2 dB 4 dB 8 dB 16 dB Reference I.L High High High High High 1 dB Low High High High High 2 dB High Low High High High 4 dB High High Low High High 8 dB High High High Low High 16 dB High High High High Low 31 dB High High High High High State Bias Condition High 1 to +Vs Low 0 to +0.2 V Truth Table Control Voltage & Current

5/6 ASB Inc.  sales@asb.co.kr  Tel: +82-42-528-7225 September. 2013 AAT530B5 0.5 ~ 3.0 GHz LSB 1 dB, 5 Bit Digital Attenuator Parameters Rating RF Input Power (0.5 to 3 GHz) +22 dBm Operating Case Temperature -40 to 85 C Storage Temperature -65 to 150 C Device Voltage +3.5 V Operating Junction Temperature +160 C Thermal Resistance 130 C/W Part Number Description Package Description Component Packing AAT530B5 RFIC RoHS compliant QFN Tape & Reel Absolute Maximum Ratings

Ordering Information

Gallium Arsenide Integrated Circuits are s ensitive to electrostatic discharge (ESD) and can be damaged by static electricity. Proper ESD control techniques should be used when handling these devices.

6/6 ASB Inc.  sales@asb.co.kr  Tel: +82-42-528-7225 September. 2013 AAT530B5 0.5 ~ 3.0 GHz LSB 1 dB, 5 Bit Digital Attenuator Evaluation PCB Application Circuit CAP ID=C1 C=1000 pF CA P ID=C2 C=1000 pF CAP ID=C3 C=100 pF CAP ID=C4 C=100 pF CA P ID=C5 C=100 pF CA P ID=C6 C=100 pF CAP ID=C7 C=100 pF CA P ID=C9 C=1000000 pF RES ID=R1 R=40 kOhm RES ID=R2 R=40 kOhm RES ID=R3 R=40 kOhm RES ID=R4 R=40 kOhm RES ID=R5 R=40 kOhm 56 78 13141516 SUBCKT ID=S1 NET="AAT530B6_package" V D D V 1V 2V 3V 4 V 5 RF1 RF2