STVVGLNA
General-purpose, variable-gain, low-noise, RF amplifier
for broadcast receiver applications
Data brief
Features
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75-Ω single-ended input impedance
■
75-Ω single-ended or 150-Ω differential output
impedance
■
Dual differential or single-ended outputs
■
Single 3.3-V DC supply
■
Input frequency range 50 to 2150 MHz
■
Fully integrated RF AGC with power monitoring
■
Low external component count
■
Low power consumption (145 mW typical)
■
Temperature range -35 °C to 85 °C
■
Compatible with 5-V and 3.3-V I2C bus
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I2C bus control (option)
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Four selectable I2C addresses C8,CA,CC,CE
Package
■
■
Environmentally friendly packaging, RoHS
(2002/95/EC) compliant.
Description
Applications
The STVVGLNA is a general-purpose, low-noise
amplifier with a gain range of -17 dB to +15 dB. Its
gain is regulated either autonomously by an
integrated AGC loop or by software control.
■
Satellite set-top boxes
■
SMATV RF accessories
■
LNBs
■
DVB-T active indoor antennas
Figure 1.
VFQFPN-16L 3x3x0.85 mm3 with exposed pad
down (EPD)
It can be used, for example, as an input amplifier
for a satellite set-top box.
STVVGLNA block diagram
STVVGLNA
TV1
tuner
DVR
tuner
AGC loop
F
I2C
VAGCI VAGCO
June 2011
SCL
SDA
Doc ID 018892 Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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