AT90-1283
Features n n n n n n n
CSP-1
Attenuation: 0.5 d B Steps to 15.5 d B Single Positive Supply Contains Internal DC to DC Converter Low DC Power Consumption Small Footprint, JEDEC Package Integral TTL Driver 50 ohm Impedance
Description
M/A-'s AT90-1283 is a Ga As FET 5-bit digital attenuator with integral TTL driver. Step size is 0.5 d B providing a 15.5 d B total attenuation range. This device is in an FQFP-N plastic surface mount package. The AT901283 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required.
Electrical Specifications TA = +25°C
Parameter Insertion Loss Attenuation Accuracy Test Conditions
- Individual Bits 0.5-1-4-8 d B Individual Bit 2 d B Any bination of Bits 1 to 15.5 d B Full Range 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10%
- - Two-tone inputs up to +5 d Bm
- Sink Current is 20 µA max. Source Current is 20 µA max. Vcc min to max, Logic “0” or “1” Frequency DC
- 3.5 GHz DC
- 3.5 GHz DC
- 3.5 GHz DC
- 3.5 GHz DC
-...
