STB6100_09 Datasheet, PDF (1/5 Pages) STMicroelectronics – 8PSK/QPSK direct conversion tuner IC

STB6100
8PSK/QPSK direct conversion tuner IC
Features
■ Direct conversion
■ Input range 950 to 2150 MHz
■ Low pass filter bandwidth 5 to 36 MHz
■ Fully integrated LO and PLL
■ Differential I/Q outputs
■ Buffered XO output to clock other devices
■ Low external component count
■ Low power consumption
■ 2-wire I^²C serial interface
■ Low-cost integrated ZIF tuner for DVB-S2 and
DIRECTV^®, VSAT and internet through
satellite applications
■ QPSK/8PSK/16APSK and 32APSK support
■ Simple interface to ST’s satellite demodulator
devices
■ Low phase noise, excellent linearity and high
LO harmonics rejection
■ VFQFPN2 5x5x1.0 32 pitch package
Figure 1. Functional block diagram
3
2
GND 1
GND 2
GND 3
GND 4
3
3
2
2
2
2
1
0
9
8
7
6
OP
AMP
Delta
Sigma
LD
CP
/2 or /1 /(Ni+Nf)
Divide
2/4
PDF
DC Offset
Cancellation
2
5
24 XTAL
23 XOOUT
22 XTALB
21 XO_BYP
VCCMIX 5
VCCRF 6
GND 7
AGC
Control
RFIN 8
9
1
0
0o
90o
20 IOUT
19 IOUTB
DC Offset
Cancellation
BW 2-Wire Bus
BB
Gain
18 QOUTB
17 QOUT
1
1
1
1
1
1
1
2
3
4
5
6
Table 1. Device summary
Order code
Packing
STB6100 Standard tray version
STB6100T Tape and real
April 2009
Doc ID 10839 Rev 2
1/5
www.st.com
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