AT90-1106 MACOM | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 6
Technical content
Features
n Attenuation: 1 dB Steps to 50 dB n Single Positive Supply n Contains Internal DC to DC Converter n Low DC Power Consumption n Small Footprint, JEDEC Package n Integral TTL Driver n 50 ohm Impedance
Description
M/A-COM's AT 90-1106 is a GaAs FET 6 -bit digital attenuator with integral TTL driver. Step size is 1 dB pro- viding a 50 dB total attenuation range. This device is in a FQFP-N plastic surface mount package. The AT 90-1106 is ideally suited f or use where accuracy, fast speed, very low power consumption and low costs are required.
Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz AT90-1106 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 5.00 Absolute Maximum Ratings 8 Parameter Absolute Maximum Max. Input Power
0.05 GHz
0.5 - 2.4 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. Recommended PCB Layout 7 Truth Table C32 C16 C8 C4 C2 C1 Attenuation 0 0 0 0 0 0 Loss, Reference 0 0 0 0 0 1 1.0 dB 0 0 0 0 1 0 2.0 dB 0 0 0 1 0 0 4.0 dB 0 0 1 0 0 0 8.0 dB 0 1 0 0 0 0 16.0 dB 1 0 0 0 0 0 32.0 dB 1 1 0 0 1 0 50.0 dB 0 = TTL Low; 1 = TTL High Pin Configuration Pin # Function Pin # Function
1 C16 17 NC
2 C8 18 NC
3 C4 19 +Vcc2
4 C2 20 NC
5 C1 21 Cp4
6 C32 22 NC
7 GND 23 Cp4
8 NC 24 NC
9 NC 25 -Vee3
10 NC1 26 GND
11 GND 27 RF2
12 RF1 28 GND
13 GND 29 NC1
14 NC 30 -Vee3,5
15 NC 31 NC
16 NC 32 +Vcc2,6
- Pins 10 & 29 must be isolated 2. Pin 19 must be connected to Pin 32 3. Pin 25 must be connected to Pin 30 4. .01µF cap must be connected between Pins 21 and 23 5. -Vee is produced internally and requires a .1µF cap to GND 6. +Vcc requires a .1µF cap to GND 7. Application Note C2083 is available on line at www.macom.com
Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz AT90-1106 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 5.00 Typical Performance Curves Attenuation Error, 2 dB Bit Attenuation Error, 1 dB Bit Attenuation Error, 4 dB Bit Attenuation Error, 8 dB Bit -0.2 -0.1 0.0 0.1 0.2 0 400 800 1200 1600 2000 2400 Frequency (MHz) Attenuation Error (dB) -0.1 0.0 0.1 0.2 0 400 800 1200 1600 2000 2400 Frequency (MHz) Attenuation Error (dB) -0.1 0.0 0.1 0.2 0.3 0.4 0 400 800 1200 1600 2000 2400 Frequency (MHz) Attenuation Error (dB) -0.2 -0.1 0.0 0.1 0.2 0.3 0.4 0 400 800 1200 1600 2000 2400 Frequency (MHz) Attenuation Error (dB) Insertion Loss 3.0 4.0 5.0 6.0 0 400 800 1200 1600 2000 2400 Frequency (MHz) Loss (dB) VSWR @ Insertion Loss 1.0 1.3 1.6 1.9 2.2 0 400 800 1200 1600 2000 2400 Frequency (MHz) VSWR Input Output
Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz AT90-1106 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 5.00 Typical Performance Curves Attenuation Error, 16 dB Bit Attenuation Error, 32 dB Bit -0.6 -0.2 0.2 0.6 1.0 0 400 800 1200 1600 2000 2400 Frequency (MHz) Attenuation Error (dB) -0.6 -0.2 0.2 0.6 1.0 0 400 800 1200 1600 2000 2400 Frequency (MHz) Attenuation Error (dB) Attenuation Error, Max. Attenuation VSWR, 1 dB Bit VSWR, 2 dB Bit -3.5 -1.5 0.5 2.5 0 400 800 1200 1600 2000 2400 Frequency (MHz) Attenuation Error (dB) 1.0 1.2 1.4 1.6 1.8 0 400 800 1200 1600 2000 2400 Frequency (MHz) VSWR Input Output 1.0 1.2 1.4 1.6 1.8 0 400 800 1200 1600 2000 2400 Frequency (MHz) VSWR Input Output VSWR, 4 dB Bit 1.0 1.2 1.4 1.6 1.8 0 400 800 1200 1600 2000 2400 Frequency (MHz) VSWR Input Output
Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz AT90-1106 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 5.00 Typical Performance Curves VSWR, 8 dB Bit 1.0 1.2 1.4 1.6 1.8 0 400 800 1200 1600 2000 2400 Frequency (MHz) VSWR Input Output VSWR, 32 dB Bit VSWR, 16 dB Bit VSWR, Maximum Attenuation Maximum IP3 over Temperature Range and Attenuation @ 50 MHz Loss 1 2 4 8 16 32 50 Attenuation (dB) IP3 1.0 1.2 1.4 1.6 0 400 800 1200 1600 2000 2400 Frequency (MHz) VSWR Input Output 1.00 1.20 1.40 1.60 0 400 800 1200 1600 2000 2400 Frequency (MHz) VSWR Input Output 1.0 1.2 1.4 1.6 0 400 800 1200 1600 2000 2400 Frequency (MHz) VSWR Input Output Maximum IP3 over Temperature Range and Attenuation @ 950 MHz Loss 1 2 4 8 16 32 50 Attenuation (dB) IP3
Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz AT90-1106 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 5.00
Ordering Information
AT90-1106TR Tape and Reel (1K Reel) AT90-1106-TB Units Mounted on Test Board Typical Performance Curves Maximum IP3 over Temperature Range and Attenuation @ 1900 MHz Loss 1 2 4 8 16 32 50 Attenuation (dB) IP3