UNISONIC TECHNOLOGIES CO., LTD ULA1235 Preliminary LINEAR INTEGRATED CIRCUIT FM IF SYSTEM APPLICATIONS DESCRIPTION The UTC ULA1235 is a high integrated IC developed for use in high S/N(S/N =88dB), low distortion (distortion factor=0.015%) FM IF system applications. And this IC has almost all functions required for FM tuner IF stage. FEATURES * IF amplifier, limiter. * Tuning meter null circuit. functions * AF preamplifier. * Signal intensity muting drive output. * Quadrature detection * Detuning muting drive output. * AF signal muting circuit. * IF amplifier stop circuit. * AFC, tuning meter drive output. * Signal meter drive output. ORDERING INFORMATION Ordering Number Lead Free Halogen Free ULA1235L-D16-T ULA1235G-D16-T Package Packing DIP-16 Tube MARKING www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 5 QW-R106-007.a ULA1235 Preliminary PIN CONFIGURATION PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PIN NAME V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 V16 LINEAR INTEGRATED CIRCUIT DESCRIPTION IF input IF input IF input GND Mute attenuation control AF output AFC output IF output Quadrature detection input Voltage regulator output Power supply Muting driving output Signal meter driving output GND muting sensitivity control muting hysteresis width control BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R106-007.a ULA1235 Preliminary LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified) PARAMETER Supply Voltage (Pin 11) Input Voltage (Pin 1 to 2) Supply Current (Pin 11) Flow-In Current (Pin 5) SYMBOL RATINGS UNIT VCC 16 V VIN ±1 V ICC 40 mA I5 3 mA Pin 10 I10 2 mA Flow-Out Current 2 mA I13 Allowable Power Dissipation PD 650 mW Operating Temperature TOPR -20~+70 °C Storage Temperature TSTG -40~+125 °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. RECOMMENDED OPERATING CONDITIONS (TA=25°C, unless otherwise specified) PARAMETER Recommended Supply Voltage SYMBOL VCC RATINGS 10~14 UNIT V ELECTRICAL CHARACTERISTICS (TA=25°C, VCC=12V, f=10.7MHz) PARAMETER Quiescent Current Current Drain Detection Output S/N -3dB Limiting Sensitivity Muting Sensitivity Muting Attenuation Muting Bandwidth Muting Driving Output Total Harmonic Distortion AM Supperssion Ratio Signal Meter Driving Output Offset Voltage Tuning Meter Null Voltage IF-Off Voltage SYMBOL TEST CONDITIONS ICCO Quiescent ICC VIN=100dBµ VO VIN=100dBµ, 400Hz, 100% mod. VIN=100dBµ, 400Hz, 100% mod. VIN(lim) VO: -3dB, 400Hz, 100% mod. VIN(mute) V12=5.6V, R16=56kΩ, R15=50kΩ VIN=100dBµ, 400Hz, 100% mod. mute(att) V5=3.5V BW(mute) VIN=100dBµ, V12=3V V12(1) Quiescent V12(2) VIN=100dBµ THD VIN=100dBµ, 400Hz, 100% mod. VIN=80dBµ, FM=400Hz, 100% AMR mod, AM=1kHz, 30% mod. V13(1) Quiescent V13(2) VIN=35dBµ V13(3) VIN=70dBµ V13(4) VIN=100dBµ V6-10 Quiescent, pin 6 to 10 V7-10 Quiescent, pin 7 to 10 V7-10(null) V5=7.5V, pin 7 to 10 I15(IF off) V2-3=1V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 310 82 TYP 21 22 430 88 25 40 80 100 120 5.6 200 6.2 0 0.015 45 60 1.3 2.2 -0.8 -0.4 -50 5.6 0 0.1 2.0 3.5 0 0 +5 MAX 30 31 590 31 50 UNIT mA mA mVrms dB dBµ dBµ dB 330 6.8 0.3 0.05 kHz V V % dB 0.1 0.5 2.9 5.0 +0.8 +0.4 +50 7.5 V V V V V V mV V 3 of 5 QW-R106-007.a ULA1235 Preliminary TEST CIRCUIT TYPICAL APPLICATION CIRCUIT 0.047µ 0.047µ 235 S01 (Sumida) LINEAR INTEGRATED CIRCUIT 3.3k VCC 235S01 (Sumida) 2.2µH 220µ 330 P.E 0.047µ 10.7 MX (Murata) 0.047µ 0.047µ 8 11 4.7k 9 10 1 2 7 UTC ULA1235 3 6 5 0.022µ 30k Front end gain distribution UNISONIC TECHNOLOGIES CO., LTD 15 50k 12 16 0.047µ 14 -4dB www.unisonic.com.tw + 33p 13 -40~45dB To voltage drive type tuning meter 5.1k 4 To voltage drive type Smeter 0.047µ + 0.047µ + 1µ 56k 10k + Muting + 68k 1µ SW 2.2µ (Equivalent to LB1450) AF output (To MPX IC) 3.3k To AM tuner DS442 RF V CC 2.2µ Unit (resistance: Ω, capacitance: F) 4 of 5 QW-R106-007.a ULA1235 Preliminary LINEAR INTEGRATED CIRCUIT 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. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 5 QW-R106-007.a