AT90-0263 MACOM | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 5
Technical content
Features
n Attenuation: 1.0dB Steps to 31dB n Low DC Power Consumption n Small Footprint, JEDEC Package n Integral TTL Driver n 50 ohm Impedance n Test Boards are Available n Tape and Reel Packaging Available
Description
M/A-COM's AT 90-0263 is a GaAs FET 5 -bit digita l attenuator with integral TTL driver. Step size is 1.0 dB providing 31dB total attenuation range. This device is in a FQFP-N plastic surface mount package. The AT 90-0263 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required.
Digital Attenuator, 31 dB, 5-Bit, TTL Driver, DC - 4.0 GHz AT90-0263 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 6.00 Absolute Maximum Ratings 3 Parameter Absolute Maximum Max. Input Power
0.05 GHz
0.5 - 4.0 GHz +27 dBm +34 dBm +Vcc +5.5V -Vee -8.5V Logic Voltages 4 -0.5 to +Vcc + 0.5V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +125°C 3. Operation of this device above any one of these parameters may cause permanent damange. 4. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. Pin Configuration Pin # Function Pin # Function
1 GND 17 NC
2 C16 18 NC
3 C8 19 NC
4 C4 20 NC
5 C2 21 NC
6 C1 22 NC
7 GND 23 NC
8 NC 24 NC
9 NC 25 NC
10 NC1 26 GND
11 GND 27 RF2
12 RF1 28 GND
13 GND 29 NC1
14 NC 30 -Vee
15 NC 31 NC
16 NC 32 +Vcc
- Pins 10 & 29 must be isolated Truth Table C16 C8 C4 C2 C1 Attenuation 0 0 0 0 0 Loss, Reference 0 0 0 0 1 1.0 dB 0 0 0 1 0 2.0 dB 0 0 1 0 0 4.0 dB 0 1 0 0 0 8.0 dB 1 0 0 0 0 16.0 dB 1 1 1 1 1 31.0 dB 0 = TTL Low; 1 = TTL High Recommended PCB Layout 2 2. Application Note C2083 is available on line at www.macom.com
Digital Attenuator, 31 dB, 5-Bit, TTL Driver, DC - 4.0 GHz AT90-0263 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 6.00 Typical Performance Curves Attenuation Error, 2 dB Bit Attenuation Error, 1 dB Bit Attenuation Error, 4 dB Bit Attenuation Error, 8 dB Bit -0.1 0.1 0.2 0.3 0 1000 2000 3000 4000 Frequency (MHz) Error (dB) -0.1 0.1 0.2 0.3 0 1000 2000 3000 4000 Frequency (MHz) Error (dB) -0.1 0.1 0.3 0.5 0.7 0 1000 2000 3000 4000 Frequency (MHz) Error (dB) -0.1 0.1 0.3 0.5 0.7 0 1000 2000 3000 4000 Frequency (MHz) Error (dB) Insertion Loss VSWR @ Insertion Loss 1.0 2.0 3.0 4.0 0 1000 2000 3000 4000 Frequency (MHz) Loss (dB) 1.00 2.00 3.00 0 1000 2000 3000 4000 Frequency (MHz) VSWR Input Output
Digital Attenuator, 31 dB, 5-Bit, TTL Driver, DC - 4.0 GHz AT90-0263 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 6.00 Typical Performance Curves Attenuation Error, 16 dB Bit Attenuation Error, Max. Attenuation -1.5 -0.5 0.5 1.5 0 1000 2000 3000 4000 Frequency (MHz) Error (dB) -1.5 -0.5 0.5 1.5 0 1000 2000 3000 4000 Frequency (MHz) Error (dB) VSWR, 2 dB Bit VSWR, 1 dB Bit VSWR, 4 dB Bit VSWR, 8 dB Bit 1.0 1.2 1.4 1.6 1.8 0 1000 2000 3000 4000 Frequency (MHz) VSWR InputOutput 1.0 1.2 1.4 1.6 0 1000 2000 3000 4000 Frequency (MHz) VSWR Input Output 1.0 1.2 1.4 1.6 0 1000 2000 3000 4000 Frequency (MHz) VSWR Input Output 1.0 1.2 1.4 1.6 0 1000 2000 3000 4000 Frequency (MHz) VSWR Input Output
Digital Attenuator, 31 dB, 5-Bit, TTL Driver, DC - 4.0 GHz AT90-0263 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 6.00 Typical Performance Curves
Ordering Information
AT90-0263TR Tape and Reel (1K Reel) AT90-0263-TB Units Mounted on Test Board VSWR, 16 dB Bit VSWR, Maximum Attenuation 1.0 1.2 1.4 1.6 0 1000 2000 3000 4000 Frequency (MHz) VSWR Input Output 1.0 1.2 1.4 1.6 0 1000 2000 3000 4000 Frequency (MHz) VSWR Input Output