GPIO XOUT XTAL I XTAL O Si2144 Worldwide Digital Set-Top Box Tuner Description Features The Si2144 is the industry s most advanced digital Set-Top - Worldwide digital STB tuner Box (STB) tuner supporting all worldwide cable and - ATSC/QAM, DVB-T2/T/C2/C, ISDB-T/C, DTMB terrestrial TV standards for digital TV reception. Like the - 1.7 MHz, 6 MHz, 7 MHz, 8 MHz, and 10 MHz previous generations of Skyworks digital TV tuners, the channel bandwidths Si2144 maintains very high linearity and low phase noise to - Conforms to NorDig, DTG, and ARIB deliver superior picture quality compared to competing - Lowest BOM for a silicon digital Set Top Box tuner silicon tuners. - No balun, SAW filters, or wire-wound inductors Available in an industry-leading 3x3 mm QFN package, the - Integrated loop-through with zero-power mode Si2144 delivers the lowest-cost, most design-friendly and - Integrated LNAs and complete tracking filters area-efficient digital STB solution available today. A fully- - Best-in-class real-world reception integrated RF front-end eliminates the need for an external - Industry-leading phase noise performance balun, LNAs, SAW filters, and inductive power supply - High immunity to Wi-Fi and LTE interference filtering. Also included is a fully-integrated loop-through - Low power consumption function with a zero-power mode switch (ZPS) for - 3.3 V and 1.8 V power supplies additional board area and BOM savings. An on-chip 1.8 V - Integrated 1.8 V LDO for 3.3 V single-supply LDO enables single-supply operation, while a dual-supply operation option offers additional system flexibility. The Si2144s - Single Low-IF (LIF) output to SoC and/or demodulator excellent immunity to LTE interference and harmonic - Standard CMOS process technology rejection mixer with outstanding immunity to Wi-Fi - Smallest footprint for a silicon digital TV tuner interference eliminate the need for external filtering. - 3x3 mm, RoHS-compliant 24-pin QFN For advanced digital broadcast standards with high-order Applications constellations, such as DVB-T2 and DVB-C2, the Si2144 s - Digital tuner modules superior integrated phase noise delivers industry-leading - Digital cable and terrestrial STB reception performance. - Digital PVR, DVD and Blu-Ray disc recorder The Si2144 delivers a higher number of received stations compared to other silicon tuners. Incorporating worldwide field experience from prior generations of digital tuners in mass production, the Si2144 delivers the highest tolerance to real-world reception conditions. LOOP THROUGH Si2144 RF OUT I ZPS PGA DSP ADC AGC ANTENNA DTV LIF INPUT DEMOD Q FILTER PGA ADC RF IF SDA 0 / 90 LOW-IF AGC AGC AV SCL 3.3 V SoC ADDR FREQ LDO XOSC SYNTH 1.8 V 1.8 V Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice August 22, 2021 CONTROL OUTPUT INTERFACE INTERFACESi2144 Worldwide Digital Set-Top Box Tuner Table 1. Selected Electrical Specifications (V = 3.3 V, V = 1.8 V, T = 25 C) DDH DDL A Parameter Test Condition Typ Unit Supply voltage 1.8 and 3.3, or only 3.3 V Total Power Consumption External 1.8 V supply, LT disabled 486 mW RF Input Frequency Range 42 to 870 MHz NF, cable mode VHF-L1 (42106 MHz) 4.8 dB VHF-L2 (107247 MHz) 2.8 dB VHF-H (248470 MHz) 3.5 dB UHF (471870 MHz) 4.8 dB Input Return Loss* Cable mode 8 dB Composite Triple Beat 56 dBc Composite Second Order 68 dBc LO Phase Noise at 860 MHz 1 kHz 10 kHz 100 kHz 1 MHz 100 100 105 dBc/Hz 132 LO Integrated Phase Noise at DSB: 125 Hz to 4 MHz 0.25 rms 860 MHz (47) (dBc) LIF Output Center Frequency Channel BW = 6 MHz 7 MHz 4 to 7 4.5 to 6.5 5 to MHz 8 MHz 6 LIF Differential Output Voltage Programmable 0.5 to 2.0 V ppd Loop-Through Output (China DVB-C Mode) RF Frequency Range (LT only) 42 to 870 MHz LT Output Return Loss (Active) 8 dB Max gain 7.1 dB LT Noise Figure (Active) LT Gain Active mode 2.9 dB Zero-power mode 2.2 dB *Note: Includes all connector, PCB and front-end circuit losses at the F-connector input of the Si2144 EVB. Pin Assignments 3x3 mm QFN-24 Package Information RF REF 19 13 18 17 16 15 14 RF IP 20 12 XOUT GND 21 11 LIF P GND RF IN 22 10 LIF N PAD ADDR 23 9 VDDH Dimension Min Nom Max Unit GPIO1 24 8 GND A 0.80 0.85 0.90 mm 2 3 4 5 6 1 7 VDDL D, E 3.00 BSC mm e 0.40 BSC mm e1 0.45 BSC mm J, K 1.60 1.70 1.80 mm Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice August 22, 2021 GPIO2 SDA RF OUT SCL VDDH AGC2 GND AGC1 VDDH GND XTAL O XTAL I