TA7611AP UTC | Alldatasheet

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UTC TA7611AP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R111-004,A FM IF/AM TUNER SYSTEM

DESCRIPTION

The UTC TA7611AP is a monolithic integrated circuit, designed for the VIF stage in color and B/W TV receiver. The UTC TA7611AP is used for Forward AGC type.

FEATURES

*High gain wide brand IF amplifier *Gain reduction with excellent stability *Excellent DG/DP and S/N characteristics *Negative video output signal *Fast AGC action due to noise inverter and peak AGC *Switch off the video part VTR SW FUNCTIONS *Three controlled IF amplifier stages *Video demodulator controlled by picture carrier *Black noise and white noise inverter *Peak AGC *DC amplifier for RF AGC output *Quadrature detector for AFT *DC amplifier for AFT DIP-16 BLOCK DIAGRAM 3 14 5 7 10 116 NCNCNCNC Vcc VIDEO OUTPUTNOISE INVERTER IF INPUT AGC1 AGC2 AGC3 RF AGC RELAY IF AGC FILTER IF 2IF 1 IF 3 VIDEO AMP. RF AGC OUTPUT VIDEO TANK

UTC TA7611AP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R111-004,A ABSOLUTE MAXIMUM RATINGS(Ta=25°C) PARAMETER SYMBOL VALUE UNIT Supply Voltage VCC 15 V Open Loop Voltage V4 15 V Video DC Output Current I12 6 MA P o w e r D i s s i p a t i o n P D 1 . 4 W Operating Temperature TOPR -20 ~ +65 °C Storage Temperature TSTG -55 ~ +150 °C ELECTRICAL CHARACTERISTICS(Ta=25°C, Vcc=12V, fo=45.75MHz, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT Recommended Supply Voltage VCC 10.8 12 13.2 V Quiescent Circuit Current ICCQ 42 51 63 mA Video DC Output V12 5.2 5.5 5.8 V AFT DC Output Voltage V5-V6 SW1: on,SW2: on 5.3 6.8 8.3 V AFT Output Offset Voltage V5-V6 SW1: on,SW2: on -1.5 0 1.5 V RF AGC Residual Output Voltage V4(SAT) SW4:1 0.5 V RF AGC Leak Current I4(LEAK) VCC=12V,SW3:1,SW4:1 1 µA Video Sensitivity S VI V12=0.8VP-P f0=45.75MHZ,AM=30% 100 200 300 µVrms AGC Range VAGC (IF) VCC=12V,f0=45.75MHZ V14=11.5V→4.0V 60 64 dB Sync Tip Level Voltage (pin12) VSYNC 2.3 2.5 2.7 V Maximum IF Input Voltage VI (MAX) 100 120 mVrms White Noise Threshold (pin12) V WTH 5.8 6.2 6.6 V White Noise Clamp Level (pin12) V WCL 3.7 4.1 4.5 V Black Noise Threshold (pin12) V BTH 1.4 1.6 1.8 V Black Noise Clamp Level (pin12) V BCL 2.9 3.3 3.7 V Video Frequency Response GV(IF) Input 45.75MHz, Sweep Generator 4.5 5.5 MHz Suppression of Carrier CL SG1=100mVrms SG2, SG3->OFF 40 50 dB Suppression of 2nd Carrier I2ND SG1=100Mvrms SG2, SG3->OFF 40 50 dB 920KHz Beat Level I920 SG1=100mVrms SG2=SG3=32mVrms 33 38 dB Differential Gain DG 7 10 dB Differential Phase DP 3.5 5 Degree Input Impedance RIN CIN fo=45.75MHz, Between pin16~1 3.0 4. 5 K pF AFT Output Upper Voltage V5,V6(UP) 11.7 11.9 12 V AFT Output Lower Voltage V5,V6(LOW) 1.8 2.3 2.8 V Maximum Available Current I4(MAX) 7 mA AFT Sensitivity S AFT 16 KHz/V

UTC TA7611AP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R111-004,A TEST CIRCUIT 1 TEST CIRCUIT 2 15 14 13 12 11 10 9 2 3 4 5 6 7 8 1.6kΩ 1kΩ 5kΩ 1kΩ 75pF 0.01 µF 1000pF 0.01 µF 0.22 µF 47 µF 0.01 µF 820kΩ 3.9kΩ SW2 1 Vcc=12V VAGC VIDEO OUTPUT 1.6kΩ 1:1 IF INPUT UTC TA7611AP 15 14 13 12 11 10 9 2 3 4 5 6 7 8 A A UTC TA7611AP0.01 µF 0.01 µF 0.01 µF 0.01 µF 0.01 µF 0.01 µF0.01 µF 0.01 µF0.01 µF 0.01 µF 5.1kΩ 3.3kΩ 3.9kΩ 1.6kΩ 820kΩ 47 µF Vcc=12V SW1 +15VSW3 1.6kΩ SW4

UTC TA7611AP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R111-004,A TEST CIRCUIT 3 TEST CIRCUIT 4

UTC TA7611AP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R111-004,A TYPICAL APPLICATION 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.