AT90-1413 MACOM | Alldatasheet

Document overview

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Technical content

Features

n Attenuation: 1 dB Steps to 15 dB n Single Positive Supply n Contains Internal DC to DC Converter n Small Footprint, JEDEC Package n Integral TTL Driver n 50 Ohm Impedance n Test Boards Available n Tape and Reel Packaging Available

Description

M/A-COM’s AT90 -1413 is a GaAs FET 4 -Bit digital attenuator with integral driver. Step size is 1 dB providing a 15 dB attenuation range. This device is in an FQFP -N plastic surface mount package. The AT90 -1413 is suited for single supply applications where accuracy, fa st speed, low power consumption and low costs are required. Electrical Specifications: TA = 25°C Parameter Test Conditions Frequency Units Min. Typ. Max. Insertion Loss — DC-2.5 GHz DC-4.0 GHz dB dB 2.0 2.5 2.5 3.0 Attenuation Accuracy Individual Bits or Combination of Bits DC-2.5 GHz DC-4.0 GHz dB dB ±(0.3+4% of atten setting) ±(0.3+6% of atten setting) VSWR Full Attenuation Range DC-2.5 GHz DC-4.0 GHz Ratio Ratio 1.5:1 1.8:1 1.8:1 2.0:1 Switching Speed 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% nS nS 150 1 dB Compression — 50 MHz 0.5-4.0 GHz dB dB +21 +29 Input IP3 Two-tone Inputs up to +5 dBm 50 MHz 0.5-4.0 GHz dB dB +35 +48 +Vcc — — V 4.75 5.0 5.25 Logic “0” Sink Current is 20 µA max. — V 0.0 — 0.8 Logic “1” Sink Current is 20 µA max. — V 2.0 — 5.0 Icc Vcc min to max, Logic “0” or “1” — mA — 6 10

Digital Attenuator, 15 dB, 4-Bit, TTL Driver, DC - 4.0 GHz AT90-1413 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 1.00 Recommended PCB Layout 7 Pin Configuration Pin No. Function Pin No. Function

1 GND 17 N/C

2 C8 18 N/C

3 C4 19 +Vcc 2

4 C2 20 N/C

5 C1 21 Cp 4

6 GND 22 N/C

7 GND 23 Cp 4

8 N/C 24 N/C

9 N/C 25 -Vee 3

10 N/C1 26 GND

11 GND 27 RF2

12 RF1 28 GND

13 GND 29 N/C1

14 N/C 30 -Vee 3,5

15 N/C 31 N/C

16 N/C 32 +Vcc 2,6

  1. Application Note C2083 is available on line at www.macom.com 1. Pins 10 & 29 must be isolated. 2. Pin 19 must be connected to Pin 32. 3. Pin 25 must connect to Pin 30. 4. A .01 µF cap must be connected between Pins 21 and 23. 5. -Vee is produced internally and requires a .1 µF cap to GND 6. +Vcc requires a .1 µF cap to GND. Truth Table C8 C4 C2 C1 Attenuation 0 0 0 0 Loss, Reference 0 0 0 1 1.0 dB 0 0 1 0 2.0 dB 0 1 0 0 4.0 dB 1 0 0 0 8.0 dB 1 1 1 1 15.0 dB 0 = TTL Low; 1 = TTL High Absolute Maximum Ratings 8 Parameter Absolute Maximum Max. Input Power

0.05 GHz

0.5 - 4.0 GHz +27 dBm +34 dBm +Vcc +5.5V Logic Voltages 9 -0.5 to +Vcc + 0.5V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +125°C 8. Operation of this device above any one of these parameters may cause permanent damange. 9. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply.

Digital Attenuator, 15 dB, 4-Bit, TTL Driver, DC - 4.0 GHz AT90-1413 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 1.00 Typical Performance Curves VSWR @ Insertion Loss Insertion Loss Attenuation Error, 1 dB Bit Attenuation Error, 2 dB Bit Attenuation Error, 4 dB Bit Attenuation Error, 8 dB Bit 1.00 1.20 1.40 1.60 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) VSWR RF In RF Out -0.30 -0.20 -0.10 0.00 0.10 0.20 0.30 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) Attenuation (dB) -0.30 -0.20 -0.10 0.00 0.10 0.20 0.30 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) Attenuation (dB) -0.20 0.00 0.20 0.40 0.60 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) Attenuation (dB) -0.60 -0.40 -0.20 0.00 0.20 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) Attenuation (dB) 1.00 1.50 2.00 2.50 3.00 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) Attenuation (dB)

Digital Attenuator, 15 dB, 4-Bit, TTL Driver, DC - 4.0 GHz AT90-1413 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 1.00 Typical Performance Curves VSWR, 1 dB Bit Attenuation Error, Max. Attenuation VSWR, 2 dB Bit VSWR, 4 dB Bit VSWR, 8 dB Bit VSWR, Max. Attenuation 1.00 1.20 1.40 1.60 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) VSWR RF In RF Out 1.00 1.20 1.40 1.60 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) VSWR RF In RF Out 1.00 1.20 1.40 1.60 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) VSWR RF In RF Out 1.00 1.20 1.40 1.60 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) VSWR RF In RF Out 1.00 1.20 1.40 1.60 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) VSWR RF In RF Out -0.40 -0.20 0.00 0.20 0.40 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) Attenuation (dB)

Digital Attenuator, 15 dB, 4-Bit, TTL Driver, DC - 4.0 GHz AT90-1413 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 1.00

Ordering Information

AT90-1413TR Tape and Reel (1K Reel) AT90-1413-TB Units Mounted on Test Board