Ordering number : ENA2293 LA8153QA Monolithic Linear IC Down Converter IC for Digital CATV http://onsemi.com Overview The LA8153QA is a down converter IC for digital CATV. It accepts RF input frequencies 50MHz to 150MHz. It has the power save function. Functions RF Mixer RF AGC amplifier Driver for SAW filter IF AGC amplifier IF Post amplifier for ADC Power save Application Digital Cable Set Top Boxes HDTV Receivers VQFN28U Specifications Maximum Ratings at Ta = 25C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max Pins 3, 6, 17, 18, 27, 28 3.6 Circuit voltage V max Pin 11 V VCC V Allowable power dissipation Pd max Ta 70C, Mounted on a specified board. * Operating temperature Topr -20 to +70 750 mW C Storage temperature Tstg -55 to +150 C * Specified board: 40mm 50mm 0.8mm, FR4, 4 layer, without soldering the Exposed Die Pad to PCB. Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Recommended Operating Conditions at Ta = 25C Parameter Symbol Conditions Ratings Unit Recommended Supply Voltage VCC Pins 3, 6, 17, 18, 27, 28 3.3 V Operating Supply Voltage Range VCC op Pins 3, 6, 17, 18, 27, 28 3.2 to 3.4 V ORDERING INFORMATION See detailed ordering and shipping information on page 7 of this data sheet. Semiconductor Components Industries, LLC, 2014 February, 2014 20614HK 20120124-S00005 No.A2293-1/7 LA8153QA Electrical Characteristics at Ta 25C, VCC = 3.3V Ratings Parameter Symbol Pin No. Conditions Unit min typ max Circuit Current Itotal 3, 6, 17, 18, 27, 28 No Signal 77 100 130 Power Save Current Ips 3, 6, 17, 18, 27, 28 No Signal 17 23 32 mA RF Input Frequency Range f(RF) 8, 9 fc = -3dB 50 150 MHz RF AGC Range GR1 27, 28 V11=2.5 to 0V 40 48 Mixer Conversion Gain CG1 27 / 8 V11=2.5V 23 26 40 50 28 / 8 Mixer Inter Modulation 1 IM3 (1) 27 / 8 Input=70dBV 28 / 8 V11=2.5V IF Input Frequency Range f(IF) 23, 24 fc = -3dB 30 IF Amplifier Gain G(AGC) 19 / 23, 24 20 / 23, 24 V11=2.5V 50 54 IF Inter Modulation 2 IM3(2) 19 / 23, 24 20 / 23, 24 Output=105dBV (99dBV / tone) 50 60 mA dB 29 dB dB 100 MHz 58 dB dB IF AGC Range GR2 19, 20 IF Output Level < 1dB IF AGC Output Level VO(IF)1 19 Single output 0.5 Vp-p IF AGC Output Level VO(IF)2 20 Single output 0.5 Vp-p 3 5 dB Package Dimensions unit : mm VQFN28 5x5, 0.5P / VQFN28U CASE 508AV ISSUE O No.A2293-2/7 LA8153QA SAW Driver Output 2 SAW Driver Output 1 NC NC IF AGC AMP Input 2 IF AGC AMP Input 1 IF AGC AMP GND Pin Assignment and Block Diagram 28 27 26 25 24 23 22 IF AGC AMP NC 1 21 Post AMP GND SAW Driver Post AMP PON 2 20 Post AMP Output 1 19 Post AMP Output 2 SAW Driver VCC 3 RF Mixer 18 Post AMP VCC SAW Driver GND 4 17 IF AGC AMP VCC RF AGC / MIX / LO GND 5 LO Buffer 16 LO Buffer Input 1 RF AGC / MIX / LO VCC 6 RF AGC AMP 8 9 10 11 12 13 14 RF AGC AMP Input 1 NC AGC Control NC NC NC 15 LO Buffer Input 2 RF AGC AMP Input 2 NC 7 No.A2293-3/7 LA8153QA Pin Description at Ta 25C, VCC = 3.3V Pin No. Pin voltage 1 2 0.3V Description Equivalent circuit NC (connect to GND) PON VCC 1kΩ 2 50kΩ 3 3.3V 4 0V SAW Driver GND 5 0V RF AGC / MIX / LO GND 6 3.3V RF AGC / MIX / LO VCC 7 8 1.35V 9 1.35V SAW Driver VCC NC (connect to GND) RF AGC Amplifier Input 8 9 1kΩ 10 NC (connect to GND) 11 AGC Control 1kΩ VCC 1kΩ 11 12, 13, 14 15 1.6V 16 1.6V NC (connect to GND) LO Buffer Inputs 3kΩ 300Ω 3kΩ 15 300Ω 16 1mA 17 3.3V IF AGC Amplifier VCC 18 3.3V Post Amplifier VCC 19 1.0V Post Amplifier Outputs 20 1.0V VCC 30Ω 19 30Ω 20 7mA 7mA Continued on next page. No.A2293-4/7 LA8153QA Continued from preceding page. Pin No. Pin voltage 21 0V Post Amplifier GND Description 22 0V IF AGC Amplifier GND 23 2.5V IF AGC Amplifier Inputs 24 2.5V Equivalent circuit 1kΩ 1kΩ 23 24 25, 26 NC (connect to GND) 27 2.4V SAW Driver Outputs 28 2.4V 27 28 20Ω 20Ω 20mA No.A2293-5/7 LA8153QA AC Characteristics at Ta = 25C, VCC = 3.3V CG1 -- f(RF) 25 20 15 10 VAGC = 2.5V LO freq. = RF freq.+44MHz LO Level = 107dBμV 5 0 0 50 100 150 CG1 -- VAGC 30 200 250 Mixer conversion gain, CG1 -- dB Mixer conversion gain, CG1 -- dB 30 20 10 0 -10 -30 300 RF freq. = 100MHz LO freq. = 144MHz LO Level = 107dBμV -20 0 0.5 1.0 120 VO -- RF 100 Hz 1.5 2.0 2.5 3.0 3.5 4.0 AGC voltage, VAGC -- V RF input frequency, f(RF) -- MHz G(AGC) -- f 60 Hz IF amplifier gain, G(AGC) -- dB M 44 45M Output level/tone, VO -- dBμV VAGC = 2.5V 80 60 40 VAGC = 2.5V RF freq. = 100M,101MHz LO freq. = 144MHz LO Level = 107dBμV 20 0 20 40 60 80 100 55 50 45 40 120 0 20 G(AGC) -- VAGC 60 40 60 120 VO -- IF 100 44M IF freq. = 44MHz 100 50 45 80 45M 55 Hz Hz Output level/tone, VO -- dBμV IF amplifier gain, G(AGC) -- dB 80 Input frequency, f -- MHz RF input level/tone, RF -- dBμV 60 40 20 VAGC = 2.5V IF freq. = 43M,44MHz 40 0 0.5 1.0 1.5 2.0 2.5 3.0 AGC voltage, VAGC -- V 3.5 4.0 0 20 30 40 50 60 70 80 IF input level/tone, IF -- dBμV No.A2293-6/7 LA8153QA Test Circuit 50Ω 50Ω f=50MHz FET PROBE 50Ω V 1000pF 1000pF FET PROBE V 28 27 26 25 24 23 22 IF AGC AMP 1 Open or GND: Nomal operation VCC: Power save mode 21 SAW Driver Post AMP 2 10kΩ 20 FET PROBE 3 V 19 0.01μF FET PROBE RF Mixer 4 V 18 0.01μF 5 17 0.01μF LO Buffer 6 16 RF AGC AMP 0.01μF 3.3V 7 3.3V 15 1000pF 8 9 10 11 12 13 14 f=130MHz 1000pF 50Ω 1000pF 1000pF 50Ω f=80MHz 1kΩ 0.01μF AGC CONTROL Attention Electrostatic capacity of some pins is ±100V under the condition of C = 200pF and R = 0Ω, so please handle carefully enough. ORDERING INFORMATION Device LA8153QA-WH Package VQFN28 5x5, 0.5P / VQFN28U (Pb-Free / Halogen Free) Shipping (Qty / Packing) 2000 / Tape & Reel ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. 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