8PSK/QPSK low-power 3.3-V satellite tuner IC
STV6111
8PSK/QPSK low-power 3.3-V satellite tuner IC
Data brief
Features
■ ■ ■ ■ ■ ■ ■
■ ■
Specific operating mode fo...
Description
STV6111
8PSK/QPSK low-power 3.3-V satellite tuner IC
Data brief
Features
■ ■ ■ ■ ■ ■ ■
■ ■
Specific operating mode for symbol rates up to 220 Msymb/s Compatible with 5-V and 3.3-V I2C bus
RF-to-baseband direct conversion architecture Single 3.3-V DC supply, low consumption Outstanding performance in heavily loaded spectrum conditions Input frequency range: 950 to 2150 MHz Supports 1 to 60 Msymb/s using internal filter RF-AGC or channel-AGC support Extremely low-phase noise, compliant with DVB-S2 requirements using fractional-N synthesizer Low external component count Flexible crystal frequency output to drive the demodulator and/or other tuner ICs Continuously variable gain Programmable 6 to 50 MHz cut-off frequency (Butterworth 5th-order baseband filters)
Applications
■
Direct broadcasting satellite (DBS), satellite modems: BPSK, QPSK, 8PSK, 16/32 APSK modulations Set-top boxes, PCTV and iDTV Outdoor units
■ ■
Package
■ ■
■ ■ ■ ■
VFQFPN-32 5 x 5 x 1 mm3 with exposed pad ECOPACK®, RoHS (2002/95/EC) compliant
Description
The STV6111 satellite tuner is a direct-conversion (zero IF) receiver for digital TV broadcasting.
XTAL_OUT
Clock management VCO
External filter
PLL
SCL SDA I²C LO dividers
VGA1
LNA RF_INP RF_INN Mixers
VGA2
QP QN
DC offset correction
VGA2
IN IP
AGC control AGC RF receiver
VGA1
November 2011
Doc ID 022528 Rev 1
1/4
www.st.com 4
For further information contact your local STMicroelectronics sales office.
http://www.Datasheet4U.com
Int...
Similar Datasheet