AK802D4-24 SKYWORKS | Alldatasheet
Document overview
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Technical content
Features
■ Attenuation in 1 dB Steps to 15 dB ■ Low Cost SOIC-14 Plastic Package ■ Low DC Current < 16 mA Total ■ Integral Driver +5 V, -5.6 V Supply Voltages AK802D4-24 PIN 14 0.050 (1.27 mm) BSC PIN 1 PIN 1 INDICATOR 0.158 (4.01 mm) 0.150 (3.81 mm) 0.050 (1.27 mm) 0.016 (0.40 mm) 0.244 (6.20 mm) 0.228 (5.80 mm) 0.020 (0.51 mm) 0.013 (0.33 mm) 0.344 (8.75 mm) 0.337 (8.55 mm) 0.068 (1.73 mm) MAX. 0.010 (0.25 mm) 0.004 (0.10 mm) 0.158 (4.00 mm) 0.150 (3.80 mm) 0.049 (1.24 mm) 0.016 (0.41 mm) 0.016 MAX. (0.41 mm) x 45˚ CHAMFER 0.0098 (0.25 mm) 0.0075 (0.19 mm) 8˚ MAX.
Description
The AK802D4-24 is an IC FET digital attenuator consisting of four monolithic attenuators with an LSB of 1 dB and a total attenuation of 15 dB with all attenuators connected. The device has integral drivers for each bit requiring less than 4 mA per bit. DC supply voltages of +5 and -5.6 V are required. The attenuator is packaged in a 14 lead plastic SOIC. Operating Characteristics at 25°C (+5 V, -5.6 V) Parameter1 Frequency2 Min. Typ. Max. Unit Insertion Loss3 DC–0.5 GHz 1.7 2.0 dB DC–1.0 GHz 2.2 2.5 dB DC–2.0 GHz 3.1 3.5 dB Attenuation Accuracy Per Bit4 DC–1.0 GHz (7% or 0.25 dB dB Whichever is Greater) DC–2.0 GHz (10% or 0.5 dB dB Whichever is Greater) VSWR (I/O) DC–1.0 GHz 1.2:1 1.3:1 Electrical Specifications at 25°C (+5 V, -5.6 V) SOIC-14 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. 6. Protection circuit for driver included in package. 7. Current drain @ 85°C = 6 mA Typ. @ +5 V, 16 mA Typ. @ -5 V.
C 1 C 2 C 3 C 4 Attenuation 8 dB 2 dB 4 dB 1 dB J 1–J2 0 0 0 0 Reference I.L. 0 0 0 1 1 dB 0 1 0 0 2 dB 0 0 1 0 4 dB 1 0 0 0 8 dB 1 1 1 1 15 dB GaAs IC 4 Bit Digital Attenuator With Driver 1 dB LSB DC–2 GHz AK802D4-24 2 Skyworks Solutions, Inc.[978] 241-7000 • Fax [978] 241-7906• Emailsales@skyworksinc.com • www.skyworksinc.com Specifications subject to change without notice. 3/99A Insertion Loss vs. Frequency 01 2 Frequency (GHz) dB 2.5 2.2 1.9 1.6 1.3 1.0 01 2 Frequency (GHz) dB VSWR vs. Frequency (All States) 0 12 Frequency (GHz) 1, 2, 4 dB Bits vs. Frequency dB Typical Performance Data (+5 V, -5.6 V) 12 3 4 5 6 7 14 13 12 11 10 9 8 4 dB 2 dB 1 dB 8 dB C 3 C 2 C 4 C 1 J1J2GND GND+5 V -5.6 V GND GND GND GND Pin Out 0 12 Frequency (GHz) 8, 15 dB Bits vs. Frequency dB Truth Table Characteristic Value RF Input Power 0.5 W > 500 MHz
0.1 W @ 50 MHz
Supply Voltage +6 V, -6 V Control Voltage -0.2 V, +6 V Operating Temperature 0°C to +70°C Storage Temperature -65°C to +150°C Θ JC 30°C/W Absolute Maximum Ratings