Ordering number : ENA0789 Monolithic Linear IC LA75501 For Use in TV/VCR Applications VIF/SIF Signal Processing IC Overview The LA75501 is an adjustment free VIF/SIF signal processing IC for PAL TV/VCR. It supports 38MHz, 38.9MHz, and 39.5MHz as the IF frequencies, as well as PAL sound multi-system (M/N,B/G, I, D/K), and contains an on-chip sound carrier trap and sound carrier BPF. To adjust the VCO circuit, AFT circuit, and sound filter, 4MHz external crystal or 4MHz external signal is needed. Function • VIF Block: VIF Amplifier, PLL Detector, IF AGC, RF AGC, Equalizer, amplifier, Buzz Canceller, SIF Trap, Digital AFT, FLL, 4MHz X’tal oscillation • 1st SIF Block: 1st SIF Amplifier, 1st SIF Detector, 1st SIF AGC • SIF Block: Limiter Amplifier Down Converter, PLL FM Detector SIF PLL SIF VCO, SIF BPF • Others: IF SW (38.9MHz, 38MHz), SIF4 System SW (B/G, I, D/K, M/N), IFAGC 2nd filter Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum Supply voltage VCC 7 V Circuit voltage V13 VCC V V15 VCC V Circuit Current I24 -1 mA I14 +0.5 mA I4 -10 mA I3 Allowable power dissipation Pd max Ta≤50°C -3 mA 470 mW Operating temperature Topr -20 to +70 °C Storage temperature Tstg -55 to +150 °C Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. 40407 MS PC B8-4907 No.A0789-1/11 LA75501 Operating Ranges at Ta = 25°C Parameter Recommended supply voltage Operating supply voltage Symbol Conditions Ratings VCC VCC op Unit 5.0 V 4.5 to 6.0 V Electrical Characteristics at Ta = 25°C, VCC = 5V, fp = 38.0MHz VIF Block Parameter Symbol Ratings Conditions min Circuit current I17 Maximum RF AGC voltage V14H Minimum RF AGC voltage V14L Input sensitivity AGC range Maximum allowable input No-signal video output voltage typ 64.0 Collector load 30kΩ VC2 = 9V 8.5 vi 33 Unit max 73.6 mA 0.3 0.7 V 39 45 dBµV 9 GR 58 Vi max 92 97 V4 3.3 3.6 V dB dBµV 3.9 V Sync. Signal tip voltage V4tip 1.0 1.3 1.6 V Video output amplitude VO 1.7 2.0 2.3 Vp-p Video S/N S/N B/G 48 52 C-S best IC-S P/S = 10dB 26 32 38 Differential gain DG VIN = 0dBµ, 87.5% MOD 3 6 % Differential phase DP 2 10 deg Black noise threshold voltage VBTH Black noise clamp voltage dB 0.7 dB V VBCL 1.8 VIF input resistance Ri 2.5 3.0 kΩ VIF input capacitance Ci 3 6 PF Maximum AFT voltage V16H 4.3 4.7 5.0 Minimum AFT voltage V16L 0 0.2 0.7 V AFT tolerance 1 dfa1 ±15 ±25 KHz AFT tolerance 2 dfa2 ±15 ±25 KHz 55 80 mV/kHz 30 60 MHz ATF detection sensitivity sf AFT Dead Zone fda AFT leak current AFTL f = 38.9MHz f = 38.0MHz RL = 100k//100KΩ 30 V ±4.0 V µA APC pull-in range (U) fpu 1.5 2.0 MHz APC pull-in range (L) fpl 1.5 2.0 MHz VCO maximum dfu 1.5 2.0 MHz dfl 1.5 2.0 MHz variable range (U) VCO maximum variable range (L) β 2.0 4.0 N Trap 1 (4.5M) NT1 -30 -35 dB N Trap 2 (4.8M) NT1-1 -19 -24 dB B/G Trap 1 (5.5M) BT1 -27 -32 dB B/G Trap 2 (5.85M) BT1-1 -20 -25 dB I Trap 1 (6.0M) IT1 -25 -30 dB I Trap 2 (6.55M) IT1-1 -15 -20 dB D/K Trap1 (6.5M) DT1 -25 -30 dB Group delay 1 NTSC (3.0M) ngd1 30 60 ngd1-1 160 230 300 ns bgd2 70 100 130 ns bgd2-1 160 230 300 ns ns VCO control sensitivity Group delay 1-1 NTSC (3.5M) Group delay 2 B/G (4M) Group delay 2-1 B/G (4.4M) Group delay 3 I (4M) 8.0 90 kHz/mV ns bgd3 20 50 80 Group delay 3-1 I (4.4M) bgd3-1 60 90 120 ns Group delay 4 D/K (4M) bgd4 0 30 60 ns bgd4-1 10 40 70 ns Group delay 4-1 D/K (4.4M) Continued on next page. No.A0789-2/11 LA75501 Continued from preceding page. Parameter Symbol Ratings Conditions min typ Unit max Video f-characteristics MN1 VFMN1 M/N 1 to 2MHz -1.0 0.0 1.0 dB Video f-characteristics MN2 VFMN2 M/N 2 to 3MHz 0.0 1.0 2.0 dB Video f-characteristics MN3 VFMN3 M/N 3.58MHz 0.5 2.0 3.5 dB Video f-characteristics BG1 VFBG1 B/G 1 to 3MHz -1.0 0.0 1.5 dB Video f-characteristics BG2 VFBG2 B/G 3 to 4MHz 0.0 1.5 3.0 dB Video f-characteristics BG3 VFBG3 B/G 4.43MHz 1.0 2.5 4.0 dB Video f-characteristics I1 VFI1 I 1 to 3MHz -1.0 0.0 1.5 dB Video f-characteristics I2 VFI2 I 3 to 4MHz 0.0 1.0 2.0 dB Video f-characteristics I3 VFI3 I 4.43Hz 0.5 2.0 3.5 dB Video f-characteristics DK1 VFDK1 D/K 1 to 3MHz -1.0 0.0 1.5 dB Video f-characteristics DK2 VFDK2 D/K 3 to 4MHz 0.0 1.0 2.0 dB Video f-characteristics DK3 VFDK3 D/K 4.43MHz 0.0 1.5 3.0 dB 1st SIF Block Parameter Symbol Ratings Conditions min typ 26 Unit max Conversion gain VG fp-5.5MHz,Vi = 500µV SIF carrier output level SO Vi = 10mV 100 32 36 mVrms dB 1st SIF maximum input Si max SO±2dB 106 dBµV 1st SIF input resistance R is 2.0 2.4 KΩ 1st SIF input capacitance C is 3 6 PF SIF Block Parameter Symbol Ratings Conditions min Limiting sensitivity FM detector output voltage Vi (lim) VO (FM) f = 5.5MHz ∆F = ±30kHz at 400Hz AM rejection ratio AMR AM = 30% at 400Hz Distortion THD f = 5.5MHz ∆F = ±30kHz FM detector output S/N BPF 3dB band width S/N (FM) typ Unit max 46 52 58 dBµV 480 600 750 mVrms 50 60 0.3 DIN. Audio 55 BW dB 1.0 % 60 dB ±100 kHz PAL de-emphasis Pdeem fm = 3kHz -3 dB NTSC de-emphasis Ndeem fm = 2kHz -3 dB 6 dB PAL/NT Audio voltage gain GD difference Others Parameter Symbol Ratings Conditions min Minimum 4MHz level X4MIN Terminal value typ 80 Unit max 86 92 dBµ (at external input) SIF system SW threshold voltage V10 1.4 V V11 IF system SW threshold voltage V12 Split/Inter SW V16 270 0.5 KΩ V No.A0789-3/11 LA75501 System Changeover SW/SIF system SW The SIF system can be changed over by setting A (pin 13) and B (pin 14) to GND and the open state respectively. A B GND GND GND OPEN OPEN GND OPEN OPEN B/G I D/K M/N O O O O FM DET LEVEL De-emphasis 6dB 75µs 0dB 50µs 0dB 50µs 0dB 50µs Note: ‘O’ indicates that the system is selected. IF system SW The IF frequency is selected 38.9MHz mode with the pin 12 (crystal oscillation) open. The IF frequency is selected 38MHz mode by adding 220KΩ between the pin 12 and GND. Inter carrier SW Inter-carrier is selected by setting the 1st SIF input (pin 16) to GND. No.A0789-4/11 LA75501 Package Dimensions unit : mm 3067B 13 1 12 (3.25) 0.95 0.51min 3.3 3.9 max 0.9 0.25 6.4 24 7.62 21.0 (0.71) 1.78 0.48 SANYO : DIP24S(300mil) Pin Assignment SIF INPUT 1 24 FM DET OUT FM FILTER 2 23 RF AGC VR 1st SIF OUT 3 22 SIF PLL FILTER VIDEO DET OUT 4 21 FILTER CONTROL CAPACITOR SIF AGC FILTER 5 20 VIF INPUT APC FILTER 6 19 VIF INPUT LA75501 FLL FILTER 7 18 GND VCO COIL 8 17 VCC VCO COIL 9 16 1st SIF INPUT SYSTEM SW (A) 10 15 IF AGC FILTER SYSTEM SW (B) 11 14 RF AGC OUT 4MHz OSC 12 13 AFT OUT No.A0789-5/11 LA75501 Block Diagram and AC Characteristics Test Circuit VIF IN VCC(5V) 1st SIF IN 30kΩ 22 19 FIL CONT 17 15 14 1st SIF DET AFT OUT Test point B SYSTEM SW A B BG I DK MNGAIN 6dB 00 0dB 01 0dB 10 0dB 11 AFT AMP AGC RF AGC OUT Test point E 0.01µF 120kΩ 13 RF AGC 1st AMP APC DET 100kΩ 0.02µF (M) 16 IF AGC VIDEO DET LIM AMP 0.01µF 18 VIF AMP S PLL 100µF 0.01µF 20 DEEMPHA FM DET 0.01µF 0.01µF 21 51Ω 100kΩ 23 VCC(9V) + 0.1µF 24 0.01µF 1000pF 0.01µF 10kΩ-B AUDIO OUT Test point D 0.01µF 3kΩ 51Ω AMP SW BPF EQ AMP TRAP 4 5 LPF VCO PLL BPF 7 2nd SIF IN 0.01µF SW1 100kΩ 1µF + 51Ω 2kΩ 3kΩ 0.01µF + 8 + 9 10 11 12 4MHz 6 200kΩ 3 0.1µF 2 330Ω 0.47µF 1 PAL SW OFF:38.9MHz ON:38MHz B A SYSTEM SW CARRIER VIDEO OUT OUT Test oint C Twst point A Input Impedance Test Circuit Impedance Analyser 1st SIF IN VIF IN 21 20 19 18 17 16 15 14 13 8 9 10 11 12 100µF 0.01µF 10kΩ 0.01µF 0.01µF 0.01µF 0.01µF 0.01µF 0.01µF 22 + 10kΩ 23 0.01µF 24 0.01µF 0.01µF 0.01µF VCC LA75501 7 0.01µF 6 0.01µF 5 0.01µF 4 1kΩ 3 0.01µF 2 0.01µF 0.01µF 1 No.A0789-6/11 LA75501 Test Conditions V1. Circuit current [I17] (1) External AGC (V17 = 1.5V) (2) RF AGC VR MAX (3) Connect an ammeter to the VCC and measure the incoming current to pin 17. V2. V3. Maximum RF AGC voltage, Minimum RF AGC voltage [V14H, V14L] (1) Internal AGC (2) Input a 38.0MHz, 10mVrms, continuous wave to the VIF input pin. (3) Adjust the RF AGC VR (resistance max.) and measure the maximum RF AGC voltage. (4) Adjust the RF AGC VR (resistance min.) and measure the minimum RF AGC voltage. (3), (4) Measuring point F V4. Input sensitivity [Vi] (1) Internal AGC (2) fp = 38.0MHz 400Hz 40% AM (VIF input) (3) Turn off the SW1 and put 100kΩ through. (4) Measure the VIF input level at which the 400Hz detection output level at test point A becomes 0.7Vp-p. V5. AGC range [GR] (1) Apply the VCC voltage to the external AGC, If AGC (pin 15). (2) In the same manner under the same conditions as for V4 (input sensitivity), measure the VIF input level at which the detection output level becomes 0.7Vp-p. ····· Vil (3) GR = 20log Vil dB *Vi: Input sensitivity Vi V6. Maximum allowable input [Vi max] (1) Internal AGC (2) fp = 38.0MHz 15kHz 78% AM (VIF input) (3) VIF input level at which the detection output level at test point A becomes video output (VO) ±1dB. V7. No-signal video output voltage [V4] (1) Apply the VCC voltage to the external AGC, IF AGC (pin 15). (2) Measure the DC voltage of VIDEO output (A). V8. Sync. signal tip voltage [V6tip] (1) Internal AGC (2) Input a 38.0MHz, 10mVrms, continuous wave to the VIF input pin. (3) Measure the DC voltage of VIDEO output (A). V9. Video output level [VO] (1) Internal AGC (2) fp = 38.0MHz 15kHz 78% AM Vi = 10mVrms (VIF input) (3) Measure the peak value of the detection output level at test point A. (Vp-p) No.A0789-7/11 LA75501 V10.V11. Black noise threshold and clamp voltage [VBTH, VBCL] (1) Apply DC voltage (1 to 3V) to the external AGC, IF AGC (pin 15) and adjust the voltage. (2) fp = 38.0MHz 400Hz 40% AM 10mVrms (VIF input) (3) Adjust the IF AGC (pin 15) voltage to operate the noise canceller. Measure the VBTH, VBCL at test point A. V12. Video S/N [S/N] (1) Internal AGC (2) fp = 38.0MHz CW = 10mVrms (VIF input) (3) Measure the noise voltage at test point A in RMS volts through a HPF: 100kHz, LPF: 5MHz filter. ····· Noise voltage (N) (4) S/N = 20log Video voltage (Vp-p) = 20log N (Vrms) 1.3Vp-p N(Vrms) (dB) V13. C/S beat [Ics] (1) Internal AGC. (2) fp = 38.0MHz APL50% 87.5% Modulation video signal. (3) Measure the difference between the levels for 4.43MHz and 1.07MHz components at test point A. V14.V15. Differential gain, differential phase [DG, DP] (1) Internal AGC (2) fp = 38.0MHz APL50% 87.5% Modulation video signal Vi = 10mVrms (3) Measure the DG and DP at test point A. No.A0789-8/11 LA75501 V16. V17.V18 Maximum, minimum AFT voltage [V13H, V13L] (1) Internal AGC (2) fp = 38.0MHz ±1.5MHz Vi = 10mVrms (VIF input) (3) Measure maximum and minimum AFT output voltage by changing the input frequency. (4) Maximum voltage: V13H, minimum voltage: V13L. V1 ; 4.0V V13H V2 ; 3.0V AFT output (V) fda ; AFT dead zone f1 f2 V13L IF frequency (MHz) V19.V20.V21. AFT detector sensitivity, AFT Dead Zone, AFT tolerance [dfa, Sf, fda] (1) Measure the frequency deviation when the voltage at the measuring point B changes from V1 to V2. ·····∆f Sf (mV/kHz) = V1−V2 ∆f (2) Measure the width in which the voltage at the measuring point B does not change. (3) Calculate as follows: fda (kHz) = f2 − f1 (4) Calculate as follows: IF Center frequency: 38.9MHz, 38MHz dfa (kHz) = fc− f1 + f2 2 V23. V24. VIF input resistance, input capacitance [Ri, Ci] (1) External AGC (V15 = 2V) (2) Referring to the Input Impedance Test Circuit, measure Ri and Ci with an impedance analyzer. V25.V26. APC pull-in range [fpu, fpl] (1) Internal AGC (2) fp = 33MHz to 44MHz CW;10mVrms (3) Adjust the SG signal frequency to be higher than fp = 38.0MHz to bring the PLL to unlocked state. Note; The PLL is taken as in unlocked state when a beat signal appears at test point A. (4) When the SG signal frequency is lowered, the PLL is brought to locked state again. ····· f1 (5) Lower the SG signal frequency to bring the PLL to unlock state. (6) When the SG signal frequency is raised, the PLL is brought to locked state again. ····· f2 (7) Calculate as follows: fpu = f1 − 38.0MHz fpl = f2 − 38.0MHz V27.V28. VCO maximum variable range (U, L) [dfu, dfl] (1) Apply the VCC voltage to the external AGC, IF AGC (pin 15). (2) fl is taken as the frequency when 1V is applied to the APC pin (pin 7). In the same manner, fu is taken as the frequency when 5V is applied to the APC pin (pin 7). dpu = fu − 38.0MHz dfl = fl − 38.0MHz No.A0789-9/11 LA75501 V29. VCO control sensitivity [β] (1) Apply the VCC voltage to the external AGC, IF AGC (pin 15). (2) Apply the 3V to the external FLL, FLL (pin 10). (3) Pick up the VCO oscillation frequency from the VIDEO output (A), GND, etc. And adjust the VCO coil so that the frequency becomes 38.0MHz. (4) f1 is taken as the frequency when 2.8V is applied to the APC pin (pin 7). In the same manner, f2 is taken as the frequency when 3.2V is applied to the APC pin (pin 7). β = f2− f1 − f2 400 (kHz/mV) F1. 1st SIF conversion gain [VG] (1) Internal AGC (2) fp = 38.0MHz CW;10mV (VIF input) fs = 32.5MHz CW;500µV (1st SIF input) ····· V1 (3) measure the detection output level at test point C (5.5MHz) ····· V2 (4) VG = 20log V2 dB V1 F2. 5.5MHz output level [SO] (1) Internal AGC (2) fp = 38.0MHz CW; 10mV (VIF input) fs = 32.5MHz CW; 10mV (1st SIF input) ····· V1 (3) Measure the detection output level at test point C (5.5MHz). ····· SO (mVrms) F3. 1st maximum input [Si max] (1) Internal AGC (2) fp = 38.0MHz CW; 10mV (VIF input) fs = 32.5MHz CW; Variable (1st SIF input) (3) Input level at which the detection output (5.5MHz) at test point C becomes SO ±2dB. ····· Si max F4.F5. 1st SIF input resistance, input capacitance [Ri (SIF1), Ci (SIF1)] (1) Referring to the Input Impedance Test Circuit, measure Ri and Ci with an impedance analyzer. S1. SIF Limiting sensitivity [Vi (lim)] (1) Apply the VCC voltage to the external AGC, IF AGC (pin 15). (2) fs = 5.5MHz fm = 400Hz ∆F = ±300kHz (SIF input) (3) Set the SIF input level to 31.6mVrms and measure the level at test point D. ····· V1 (4) Lower the SIF input level and measure the input level which becomes V1. ····· 3dB. S2.S4. FM detection output voltage, total harmonics distortion [VO(FM), THD] (1) Apply the VCC voltage to the external AGC, IF AGC (pin 15). (2) fs = 5.5MHz fm = 400Hz ∆f = ±30kHz (SIF input Vi = 31.6mVrms) (3) Measure the FM detection output voltage, total harmonics distortion at test point D. S3. AM rejection ratio [AMR] (1) External AGC (V15 =VCC) (2) fs = 5.5MHz fm = 400Hz AM = 30% (SIF input Vi = 31.6mVrms) (3) Measure the output level at test point D. ····· VAM V (DET) (4) AMR = 20log O dB VAM S5. SIF S/N [S/N (FM)] (1) External AGC (V15 = VCC) (2) fs = 5.5MHz NO MOD Vi = 31.6mVrms (3) Measure the output level at test point D. ····· Vn VO (DET) (4) S/N = 20log Vn dB No.A0789-10/11 LA75501 S6. PAL/NT Audio voltage gain difference [GD] (1) External AGC (V15 =VCC) (2) fs = 4.5MHz fm = 400Hz ∆F = ±30kHz (SIF input Vi = 31.6mVrms) (3) Set system switches [A (pin 10) and B (pin 11)] to GND. (4) Measure the FM detector output voltage at test point D. ····· Vnt (5) Calculate as follows: GD (db) = Vnt − VO (FM) S7.S8. PAL, NT de-emphasis [Pdeem, Ndeem] (1) External AGC (V15 = VCC) (2) fs = 5.5MHz fm = 3kHz ∆F = ±30kHz (SIF input Vi = 31.6mVrms) (3) Open system switches (A (pin 10) and B (pin 11)). (BG mode) (4) Measure the FM detector output voltage at test point D. ····· Vp (5) Calculate as follows: Pdeem (dB) = Vp − VO (FM) (6) fs = 4.5MHz fm = 2kHz ∆F = ±30kHz (SIF input Vi = 31.6mVrms) (7) Set system switches [A (pin 10) and B (pin 11)] to GND. (NT mode) (8) Measure the FM detector output voltage at test point D. ····· Vp (9) Calculate as follows: Ndeem (dB) = Vnt − VO (FM) SANYO Semiconductor Co.,Ltd. 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 SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of April, 2007. Specifications and information herein are subject to change without notice. PS No.A0789-11/11