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 I²C 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 GND GND VTUNE VCCSCV SYN_BYP LD CP CP_BYP GND Functional block diagram VCO_BYP Figure 1. 3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 OP AMP 1 Delta Sigma 2 /2 or /1 GND 3 GND 4 VCCMIX 5 LD CP /(Ni+Nf) 24 XTAL 23 XOOUT 22 XTALB 21 XO_BYP 20 IOUT 19 IOUTB 18 QOUTB 17 QOUT PDF Divide 2/4 DC Offset Cancellation o 0 90o ■ VFQFPN2 5x5x1.0 32 pitch package VCCRF 6 AGC Control 7 DC Offset Cancellation BW Table 1. 1 3 AS 1 5 1 6 Device summary Order code April 2009 1 4 VCCBB 1 2 CLK 1 1 TSTA VCCBIAS 9 1 0 AGC 8 VREG3 RFIN Packing STB6100 Standard tray version STB6100T Tape and real Doc ID 10839 Rev 2 BB Gain 2-Wire Bus DATA GND 1/5 www.st.com 5 Description 1 STB6100 Description The STB6100 ASIC is a highly integrated, low-cost direct conversion (zero IF) tuner IC for DVB-S2 broadcast satellite applications. This device includes an LNA, down-converting mixers, baseband low-pass filters, gain control, on-chip VCO and a low noise PLL. Its wide gain control range is well suited for low symbol rate applications. The STB6100 is controlled by a simple two-wire interface and has been designed to minimize the external bill of materials to reduce manufacturing costs and to simplify the board layout. The reduced component count ensures greater system reliability leading to increase consumer satisfaction. The DVB-S2 standard increases the capacity of satellite broadcasts by as much as 30%, so enabling the effective deployment of high data rate applications such as high definition TV and broadband internet. Packaged in VFQFPN2 5x5x1.0 32 pitch 0.50 package, it is ideal for low cost DBS design. 2/5 Doc ID 10839 Rev 2 ECOPACK® STB6100 2 ECOPACK® In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Doc ID 10839 Rev 2 3/5 Revision history 3 STB6100 Revision history Table 2. 4/5 Document revision history Date Revision Changes 05-Sept-2004 1 Initial release. 21-Apr-2009 2 Supported features updated. Doc ID 10839 Rev 2 STB6100 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. 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