AT001D6-25 ALPHA | Alldatasheet
Document overview
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Technical content
Features
■ Attenuation in 3 dB Steps to 45 dB ■ Low DC Power Consumption ■ Low Cost SOIC-16 Plastic Package SOIC-16 AT001D6-25 0.158 (4.00 mm) 0.150 (3.80 mm) 0.068 (1.73 mm) MAX. 0.244 (6.20 mm) 0.228 (5.80 mm) 0.049 (1.24 mm) 0.016 (0.41 mm) 0.016 MAX. (0.41 mm) x 45˚ CHAMFER 0.020 (0.51 mm) 0.013 (0.33 mm) 0.050 (1.27 mm) BSCPIN 16 PIN 1 PIN 1 INDICATOR 0.394 (10.00 mm) 0.386 (9.80 mm) 0.010 (0.25 mm) 0.004 (0.10 mm) 0.0098 (0.25 mm) 0.0075 (0.19 mm) 8˚ MAX.
Description
The AT001D6-25 is an IC FET digital attenuator consisting of four monolithic attenuators with LSB of 3 dB and a total attenuation of 45 dB with all attenuators connected. The attenuator is packaged in the plastic 16 lead surface mount package for low cost commercial cellular radio applications. Parameter1 Frequency2 Min. Typ. Max. Unit Insertion Loss3 DC–0.5 GHz 2.5 3.2 dB DC–1.0 GHz 3.5 4.0 dB Attenuation Range4 DC–1.0 GHz 10% or ± 0.5 dB Whichever is Greater 12% for 45 dB Attenuation VSWR (I/O) DC–0.5 GHz 1.4:1 1.6:1 Electrical Specifications at 25°C (0, -5 V) Operating Characteristics at 25°C (0, -5 V) 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. DC = 300 kHz. 3. Insertion loss changes by 0.003 dB/°C. 4. Attenuation referenced to insertion loss. 5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
2 Alpha Industries, Inc.[781] 935-5150 • Fax [617]824-4579• Emailsales@alphaind.com • www .alphaind.com Specifications subject to change without notice.3/99A GaAs IC 4 Bit Digital Attenuator 3 dB LSB DC–1 GHz AT001D6-25 V1 V2 V3 V4 V5 V6 V7 V8 Attenuation 12 dB 3 dB 6 dB 24 dB J1–J2 -5 0 -5 0 0 -5 0 -5 Reference I.L. -5 0 0 -5 0 -5 0 -5 3 dB -5 0 -5 0 -5 0 0 -5 6 dB 0 -5 -5 0 0 -5 0 -5 12 dB -5 0 -5 0 0 -5 -5 0 24 dB 0 -5 0 -5 -5 0 -5 0 45 dB D C 0.5 1.0 Frequency (G H z) Insertion Loss vs. Frequency dB +85˚C -40˚C Frequency (G H z) dB D C 0.5 1.0 24, 36, 45 dB States Frequency (G H z) dB D C 0.5 1.0 3, 6, 12 dB States Typical Performance Data (0, -5 V) J1 J2G N D G N D G N D G N D G N D G N D V1V2V3V4V5V6V7V8 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 24 dB 6 dB 3 dB 12 dB Characteristic Value RF Input Pow er 2 W > 500 MHz 0/-8 V
0.5 W @ 50 MHz 0/-8 V
Control Voltage +0.2 V, -8 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C Θ JC 25°C/W Absolute Maximum Ratings Pin Out Frequency (G H z) VSW R vs. Frequency (A ll States) 2.5 2.2 1.9 1.6 1.3 1.0 1.00.5D C Truth Table Note:Exceeding these parameters may cause irreversible damage.