Broadband Ultra Low Distortion 7-Bit Digitally Controlled VGA

The LT5554 is a 7-bit digitally controlled programmable gain (PG) amplier with 16dB gain control range. It consists of a 50 input variable Attenuator followed by a high linearity variable transconductance ampli er. The coarse 4dB input Attenuator step is implemented via 2-bits of digital control (PG5, PG6). The ne transconductance ampli er 0.125dB step within 3.875dB gain control range is set via 5-bits digital control (PG0 to PG4). The LT5554 gain control inputs (PGx) and the STROBE input CAN be directly coupled to TTL or ECL drivers. The seven parallel gain control inputs time skew CAN be eliminated by using the STROBE input positive transition. By Linear Technology Corporation
LT5554 's PackagesLT5554 's pdf datasheet
LT5554IUH QFN




LT5554 Pinout, Pinouts
LT5554 pinout,Pin out
This is one package pinout of LT5554,If you need more pinouts please download LT5554's pdf datasheet.

LT5554 Application circuits
LT5554 circuits
This is one application circuit of LT5554,If you need more circuits,please download LT5554's pdf datasheet.


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