L8211

L8211 UTC | Alldatasheet

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UNISONIC TECHNOLOGIES CO.,LTD L8211 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1of 6 Copyright © 2013 Unisonic Technologies Co.,LTD QW-R123-008,C FET BIAS CONTROLLER WITH POLARIZATION SWITCH AND TONE DETECTION „ DESCRIPTION The UTC L8211 is designed to bias the MOSFETs that are commonly used in LNBs that can implies minimum external components requires. „ FEATURES * Three outputs that can drive up to 3 FETs. * Drain current adjustable by external resistor. * HB and LB switch for LNBs. * Band switching by 22kHz tone detection. „ ORDERING INFORMATION Ordering Number Package Packing Lead Free Halogen Free L8211L-R20-R L8211G-R20-R SSOP-20 Tape Reel L8211L-R20-T L8211G-R20-T SSOP-20 Tube

L8211 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 6 www.unisonic.com.tw QW-R123-008,C „ PIN CONFIGURATION 1 20 GND N/C CNB1 CNB2 CSUB LB VCC LOV HB FOUT N/C FIN VPOL RCAL „ PIN DESCRIPTION PIN NO. PIN NAME DESCRIPTION

1 G1 To Gate of FET 1

2 D1 To Drain of FET 1

3 G2 To Gate of FET 2

4 D2 To Drain of FET 2

5 G3 To Gate of FET 3

6 D3 To Drain of FET 3

7 GND Ground

8 CNB1 Connect 47nF capacitance to CNB2

9 CNB2 Connect 47nF capacitance to CNB1

10, 16 N/C Nothing connect

11 CSUB Connect an external 47nF cap to -3V

12 LB Low band switch output

13 HB High band switch output

14 LOV LB and HB's switch

15 FOUT Filter output

17 FIN LNB input

18 VPOL Control input switch

19 RCAL Connect 33kohm to set Id1, Id2 and Id3 to 10mA

20 V CC Power supply

L8211 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 6 www.unisonic.com.tw QW-R123-008,C „ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage V CC -0.6 ~ +12 V Supply Current I CC 100 mA Input Voltage V IN 25 Continuous V Drain Current (per FET)(set by RCAL) I D 0 ~ 15 mA Power Dissipation(Ta=25°C) P D 600 mW Operating Temperature T OPR -40~+70 °C Storage Temperature T STG -50~+85 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. „ ELECTRICAL CHARACTERISTICS (Ta=25°C, VCC=5V, ID=10mA, RCAL=33KΩ, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Supply Voltage V CC 5 10 V Supply Current I CC ID1 to ID3=0 6 15 mA ID1 =0, ID2 to ID3=10mA,VPOL=14V 25 35 mA ID2=0, ID1 to ID3=10mA,VPOL=15.5V 25 35 mA ID1 to ID3=0,ILB=10mA 16 25 mA ID1 to ID3=0,IHB=10mA 16 25 mA Substrate Voltage V SUB (Internally generated) I SUB =0 -3.5 -3 -2.5 V ISUB = -200µA -2.4 V Output Noise Gate Voltage E NG C G=4.7nF,CD=10nF 0.005 Vpkpk Drain Voltage E ND C G=4.7nF,CD=10nF 0.02 Vpkpk Oscillator Freq f O 200 350 800 kHz „ GATE CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Current Range I GO -30 2000 µA Output Voltage G a t e 1 Off V G1O I D1=0mA, VPOL=14V, IGO1=0µA -0.05 0 0.05 V Low V G1L I D1=12mA, VPOL=15.5V, IGO1=-10µA -2.7 -2.4 -2 V High V G1H I D1=8mA, VPOL=15.5V, IGO1=0µA 0.4 0.75 1.0 V Output Voltage Gate 2 Off V G2O I D2=0mA, VPOL=15.5V, IGO2=0µA -0.05 0 0.05 V Low V G2L I D2=12mA, VPOL=14V, IGO2=-10µA -2.7 -2.4 -2 High V G2H I D2=8mA, VPOL=14V, IGO2=0µA 0.4 0.75 1.0 Output Voltage Gate 3 Low V G3L I D3=12mA, IGO3=-10µA -3.5 -2.9 -2 V High V G3H I D3=8mA, IGO3=0µA 0.4 0.75 1.0 „ DRAIN CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Current I D 8 10 12 mA Current Change With VCC △IDV VCC=5 ~ 10V 0.5 %/V With TJ △IDT TJ =-40 ~ +70°C 0.05 %/°C Drain 1 Voltage: High V D1 I D1=10mA,VPOL=15.5V 1.8 2 2.2 V Drain 2 Voltage: High V D2 I D2=10mA,VPOL=14V 1.8 2 2.2 V Drain 3 Voltage: High V D3 I D3=10mA 1.8 2 2.2 V Voltage Change With VCC △VDV VCC =5 ~ 10V 0.5 %/V With TJ △VDT TJ =-40 ~ +70°C 50 ppm Leakage Current Drain 1 I LEAK1 V D1=0.5V,VPOL=14V 10 µA Drain 2 I LEAK2 V D2=0.5V,VPOL=15.5V 10 µA

L8211 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 6 www.unisonic.com.tw QW-R123-008,C „ TONE DETECTION CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Filter Amplifier Input Bias Current I B R F1=150kΩ 0.02 0.07 0.25 µA Output Voltage V OUT R F1=150kΩ 1.75 1.95 2.05 V Output Current I OUT V OUT=1.96V, VFIN=2.1V 400 520 650 µA Voltage Gain Gv f=22kHz, V IN=1mV 46 dB Rejection Frequency f R V (AC)IN=1V p/p sq.w 1.0 7.5 kHz V Threshold F VT 100 350 mV p/p Output Stage Lov Volt.Range V LOV I L=50mA(LB or HB) -0.5 V CC-1.8 V Lov Bias Current I LOV V LOV=0V 0.02 0.15 1 µA LB Output Low V LBL VLOV=0V, IL=-10µA Enable -3.5 -2.75 -2.5 V VLOV=3V, IL=0mA Enable -0.01 0 0.01 V LB Output High V LBH VLOV=0V, IL=10 mA Disable -0.025 0 0.025 V VLOV=3V, IL=50mA Disable 2.9 3 3.1 V HB Output Low V HBL VLOV=0V, IL=-10µA Disable -3.5 -2.75 -2.5 V VLOV=3V, IL=0mA Disable -0.01 0 0.01 V HB Output High V HBH VLOV=0V, IL=10mA Enable -0.025 0 0.025 V VLOV=3V, IL=50mA Enable 2.9 3 3.1 V Note: Noise voltage measurement would be ignored in production. „ POLARITY SWITCH CHARACTERISTICS PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Input Current I POL V POL=25V (Applied via RPOL=10kΩ) 10 20 40 µA Threshold Voltage V TPOL V POL=25V (Applied via RPOL=10kΩ) 14 14.75 15.5 V Switching Speed T SPOL V POL=25V (Applied via RPOL=10kΩ) 100 ms

L8211 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 6 www.unisonic.com.tw QW-R123-008,C „ TYPICAL CHARACTERISTICS Load Current (mA) 5020 30 40100 LB/HB Offset Voltage vs Load Current Frequency (Hz) 10k 100k1k100 10M VCC =5V Open Loop Gain vs Frequency Open Loop Phase vs Frequency 120 150 180 Frequency (Hz) 10k 100k1k100 10M 1M Load Current (mA) 2.0 1.9 5020 30 40100 1.5 1.6 1.7 1.8 1.3 1.4

1.2 VCC =5V

LB/HB Dropout Voltage vs Load Current JFET Drain Current vs Rcal Rcal (k) 10040 60 80200 VCC =5V JFET Drain Voltage vs Drain Current 1268 1 042 2.1 2.2 2.0 10V Drain Current (mA) 1.9 VCC =5V VLOV=0V Ta=70°C Ta=25°C Ta= -40°C Ta= -40°C Ta=25°C Ta=70°C VCC =5V

L8211 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 6 of 6 www.unisonic.com.tw QW-R123-008,C „ TYPICAL CHARACTERISTICS(Cont.) Substrate Voltage, VSUB (V) External Vsub Load (mA) VSUB vs External Load -2.0 -1.5 -2.5 -1.0 -3.0 Fout Voltage (Vpkpk) Filter Response 0.4 0.6 0.8 0.2 1.0 1.2 1.4 Frequency (Hz) 10k 100k1k100 1M 10V UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.