AT90-1233
Features n n n n n n n n
CSP-1
Attenuation: 2 d B Steps to 30 d B Single Positive Supply Contains Internal DC to DC Converter Small Footprint, JEDEC Package Integral TTL Driver 50 Ohm Impedance Test Boards Available Tape and Reel Packaging Available
Description
M/A-’s AT90-1233 is a Ga As FET 4-Bit digital attenuator with integral driver. Step size is 2 d B providing a 30 d B attenuation range. This device is in an FQFP-N plastic surface mount package. The AT90-1233 is suited for single supply applications where accuracy, fast speed, low power consumption and low costs are required.
Electrical Specifications TA = +25°C
Parameter Insertion Loss Attenuation Accuracy VSWR Switching Speed 1 d B pression Input IP3 +Vcc Logic “0” Logic “1” Icc Test Conditions
- Individual Bits or bination of Bits 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
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