SM5307A 3-channel Video Buffer OVERVIEW The SM5307A is a 3-channel video buffer for the HD output equipment that corresponds to the 480i to 1080p video signal standards. It can change the 5th-order lowpass filter (LPF) which is mounted on this IC, to four modes of SD1, SD2, HD and filter-bypass mode, which corresponds to video signal. In addition, improvement of S/N characteristic with HD band is actualized. ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Supply voltages: 4.75 to 5.25V Current consumption • Normal operation: 65mA (typ, VCC = 5.0V) • Disable mode: 1.4mA (typ, VCC = 5.0V) Output gain: 6.0dB ± 0.5dB LPF passband • SD1 mode CH1 = 6.75MHz CH2, CH3 = 3.375MHz • SD2 mode CH1 = 13.5MHz CH2, CH3 = 6.75MHz • HD mode CH1 = 30MHz CH2, CH3 = 15MHz Filter-bypass mode corresponding to 1080p: 80MHz (typ) Maximum input amplitude: 1.4Vp-p S/N ratio: 70dB (typ) Input multiplexer: 2-system input, 1-system output Input type • CH1: Synctip clamp • CH2, CH3: Bias Disable mode function (power-down mode) Operating ambient temperature range: −40 to 85°C Package: 24-pin VSOP (Pb free) (Top view) FC1 1 24 IN1A NC IN1B GND VCC NC OUT1 NC IN2A VCC IN2B OUT2 NC GND GND OUT3 IN3A NC IN3B VCC DISABLE PACKAGE DIMENSIONS (Unit: mm) + 0.1 0.15 − 0.05 7.9 ± 0.2 ■ 5.6 ± 0.2 DVD player DVD recorder Set Top Box 1.15 ± 0.1 ■ SM5307AV Package 24-pin VSOP 0.65 0.10 + 0.1 0.22 − 0.05 0.12 M 0 to 10 0.10 ± 0.05 ORDERING INFORMATION Device MUXSEL 13 12 APPLICATIONS ■ FC2 0.5 ± 0.2 ■ PINOUT 7.6 ± 0.2 FEATURES SEIKO NPC CORPORATION —1 SM5307A BLOCK DIAGRAM VCC VCC VCC CH-1 IN1A Clamp MUX 6dB LPF OUT1 30MHz/13.5MHz/6.75MHz IN1B Clamp CH-2 IN2A Bias MUX 6dB LPF OUT2 15MHz/6.75MHz/3.375MHz IN2B Bias CH-3 IN3A Bias MUX 6dB LPF OUT3 15MHz/6.75MHz/3.375MHz IN3B Bias GND GND GND Select Control DISABLE MUXSEL FC1 FC2 SEIKO NPC CORPORATION —2 SM5307A PIN DESCRIPTION Number Name I/O *1 A/D*2 1 FC1 I D Filter select pin 1 2 IN1A I A Video signal input pin (CH-1, input A) 3 IN1B I A Video signal input pin (CH-1, input B) 4 VCC − – Supply pin 5 NC − − No connection 6 IN2A I A Video signal input pin (CH-2, input A) 7 IN2B I A Video signal input pin (CH-2, input B) 8 NC − − No connection 9 GND − – Ground pin 10 IN3A I A Video signal input pin (CH-3, input A) 11 IN3B I A Video signal input pin (CH-3, input B) 12 DISABLE I D Disable function control pin 13 MUXSEL I D Input multiplexer switch control pin 14 VCC − – Supply pin 15 NC − − No connection 16 OUT3 O A Video signal output pin (CH-3) 17 GND − – Ground pin 18 OUT2 O A Video signal output pin (CH-2) 19 VCC − – Supply pin 20 OUT1 O A Video signal output pin (CH-1) 21 NC − − No connection 22 GND − – Ground pin 23 NC − − No connection 24 FC2 I D Filter select pin 2 Description *1. I: input, O: output *2. A: analog, D: digital SEIKO NPC CORPORATION —3 SM5307A PIN EQUIVALENT CIRCUITS Number Name I/O *1 2 3 IN1A IN1B I 6 7 10 11 IN2A IN2B IN3A IN3B I 20 18 16 OUT1 OUT2 OUT3 O Equivalent circuit IN1A IN1B IN2A IN2B IN3A IN3B 50Ω 50Ω 20kΩ OUT1 OUT2 OUT3 2kΩ 12 13 24 1 DISABLE MUXSEL FC2 FC1 I DISABLE MUXSEL FC2 FC1 200Ω *1. I: input, O: output SEIKO NPC CORPORATION —4 SM5307A SPECIFICATIONS Absolute Maximum Ratings GND = 0V Parameter Symbol Condition Rating Unit −0.3 to 6.5 V GND – 0.3 to VCC + 0.3 V TSTG −55 to +125 °C Junction temperature TJ 125 °C Power dissipation PD 1.0 W Rating Unit Supply voltage VCC VCC Input voltage VIN MUXSEL, DISABLE, FC1, FC2, IN1A, IN1B, IN2A, IN2B, IN3A, IN3B Storage temperature range θja = 33°C/W Recommended Operating Conditions Parameter Supply voltage Operating ambient temperature range Symbol Condition VCC 4.75 to 5.25 V Ta −40 to +85 °C Electrical Characteristics DC Characteristics VCC = 5.0V, Ta = 25°C, fin = 100 kHz, VIN = 1.0Vp-p, RL = 75Ω, unless otherwise noted. Rating Parameter Symbol Condition min typ max Unit Test level Current consumption 1*1 ICC1 DISABLE = “L” – 65 100 mA I Current consumption 2*1 ICC2 DISABLE = “H” (on disable mode) – 1.4 2.0 mA I HIGH-level Input voltage VIH 2.0 − – V I LOW-level Input voltage VIL MUXSEL, DISABLE, FC1, FC2, VCC = 4.75 to 5.25V, Ta = –40 to +85°C − − 0.8 V I HIGH-level input leakage current ILH − − 1.0 µA I − − 1.0 µA I LOW-level input leakage current MUXSEL, DISABLE, FC1, FC2 ILL *1. Total of current consumption of VCC when no input signals. SEIKO NPC CORPORATION —5 SM5307A Analog Characteristics Analog input characteristics VCC = 5.0V, Ta = 25°C, fin = 100kHz, VIN = 1.0Vp-p, RL = 75Ω, DISABLE = “L”, unless otherwise noted. Rating Parameter Symbol Condition min typ max Unit Test level Clamp voltage VCLMP IN1A, IN1B, VIN = 0Vp-p 1.36 1.56 1.76 V I Bias voltage VBIAS IN2A, IN2B, IN3A, IN3B,VIN = 0Vp-p 2.1 2.4 2.7 V I Input resistance RBIAS IN2A, IN2B, IN3A, IN3B − 20 − kΩ II Input amplitude VAI Output THD up to 1.0% – – 1.4 Vp-p I Unit Test level Filter frequency characteristics VCC = 5.0V, Ta = 25°C, VIN = 1.0Vp-p, RL = 75Ω, DISABLE = “L”, unless otherwise noted. Rating Parameter Symbol Condition min typ max CH-1 passband attenuation (30MHz) APB30 HD mode, fin = 30MHz/100kHz –2.0 – +1.0 dB I CH-2, CH-3 passband attenuation (15MHz) APB30H HD mode, fin = 15MHz/100kHz –2.0 – +1.0 dB I CH-1 passband attenuation (13.5MHz) APB14 SD2 mode, fin = 13.5MHz/100kHz –1.5 – +1.0 dB I CH-2, CH-3 passband attenuation (6.75MHz) APB14H SD2 mode, fin = 6.75MHz/100kHz –1.5 – +1.0 dB I CH-1 passband attenuation (6.75MHz) APB7 SD1 mode, fin = 6.75MHz/100kHz –1.5 – +1.0 dB I CH-2, CH-3 passband attenuation (3.375MHz) APB7H SD1 mode, fin = 3.375MHz/100kHz –1.5 – +1.0 dB I CH-1 stopband attenuation (30MHz) ASB30 HD mode, fin =148MHz/100kHz – –30 – dB II CH-2, CH-3 stopband attenuation (15MHz) ASB30H HD mode, fin = 76MHz/100kHz – –30 – dB II CH-1 stopband attenuation (13.5MHz) ASB14 SD2 mode, fin = 54MHz/100kHz – –30 – dB II CH-2, CH-3 stopband attenuation (6.75MHz) ASB14H SD2 mode, fin = 27MHz/100kHz – –30 –15 dB I CH-1 stopband attenuation (6.75MHz) ASB7 SD1 mode, fin = 27MHz/100kHz – –30 –20 dB I CH-2, CH-3 stopband attenuation (3.375MHz) ASB7H SD1 mode, fin = 13.5MHz/100kHz – –25 –15 dB I VIN = 0.7 Vp-p, at –1dB falling from the gain of fin = 100kHz – 80 – MHz II Filter-bypass mode band width fBP SEIKO NPC CORPORATION —6 SM5307A Analog output characteristics VCC = 5.0V, Ta = 25°C, fin = 100kHz, VIN = 1.0Vp-p, RL = 75Ω, DISABLE = “L”, unless otherwise noted. Rating Parameter Symbol Condition Unit Test level min typ max 5.5 6.0 6.5 dB I Output gain AV Channel-to-channel gain error dAV Gain error between OUT1, OUT2 and OUT3 – – ± 0.2 dB I Output distortion THD VIN = 1.4Vp-p − 0.2 1.0 % I Channel-to-channel crosstalk XTLK1 fin = 1MHz, VIN = 0.5Vp-p, between any two channels – –60 – dB II Input multiplexer crosstalk XTLK2 fin = 1MHz, VIN = 0.5Vp-p, between INnA and INnB – –72 – dB II S/N ratio SNR Up to 30MHz – 70 – dB II RL 1 load = 150Ω – – 2 load I Drive load resistance Test level The definition of “Test Level” shown in the electrical characteristic table is as follows. I : 100% of products tested at Ta = + 25°C. II : Guaranteed as result of design and characteristics evaluation. Evaluation circuit diagram L: BLM21AG102SN1D (TDK) 1.0µF + + IN1B 1.0µF IN2B IN3B 1.0µF + 50 or 75Ω 50 or 75Ω 50 or 75Ω 50 or 75Ω 50 or 75Ω 50 or 75Ω + 1.0µF NC IN1B GND VCC 1.0µF NC NC VCC IN2B OUT2 OUT3 IN3A NC DISABLE + 1.0µF OUT1 100µF + GND GND IN3B 100µF OUT1 IN2A NC 100µF OUT2 100µF + OUT3 VCC MUXSEL 1.0µF 75Ω 1.0µF IN3A FC2 IN1A 75Ω IN2A + FC1 75Ω + + 1.0µF IN1A Note. This is the electrical characteristics evaluation circuit only, then it is not a recommended application circuit. SEIKO NPC CORPORATION —7 SM5307A FUNCTIONAL DESCRIPTION Filter Select and Filter-bypass Mode The SM5307A is mounted the 5th-order lowpass filter (LPF), and is possible to use changing four modes of SD1, SD2, HD and filter-bypass mode for corresponding to input video signal. The filter mode changes with the FC1 and FC2 pins. Control pins Filter passband (typ) Filter mode FC1 FC2 CH-1 CH-2 L L H CH-3 SD1 mode 6.75MHz 3.375MHz 3.375MHz L SD2 mode 13.5MHz 6.75MHz 6.75MHz L H HD mode 30MHz 15MHz 15MHz H H Filter-bypass mode 80MHz 80MHz 80MHz Input Multiplexer The SM5307A is mounted the two input multiplexer for each channels. The MUXSEL pin selects the input signals. Control pin Selected input MUXSEL CH-1 CH-2 CH-3 L IN1A IN2A IN3A H IN1B IN2B IN3B Disable Mode Function The SM5307A has the disable mode function. When DISABLE pin set to “H”, The SM5307A operation becomes disable mode. In disable mode operation, current consumption becomes up to 2mA and video signal input and output pins are setting high-impedance. Control pin SM5307A operation DISABLE L Normal operation H Disable mode SEIKO NPC CORPORATION —8 SM5307A RECOMMENDED APPLICATION CIRCUIT ■ When using on the output side of equipment YIN2 FC2 IN1A NC IN1B GND 0.1µF VCC 0.1µF NC 1.0µF CBIN1 CBIN2 0.1µF CRIN1 CRIN2 NC IN2A VCC IN2B OUT2 470µF 75Ω + GND OUT3 IN3A NC DISABLE (to cable connector) YOUT 1.0µF 100µF 75Ω + GND IN3B 0.1µF 100µF OUT1 NC 0.1µF CBOUT 100µF 75Ω + CROUT VCC MUXSEL 1.0µF When using on the input side of equipment (from cable connector) YIN1 CRIN1 FC2 IN1A NC IN1B GND 1.0µF VCC 1.0µF NC YIN2 1.0µF 1.0µF CBIN2 FC1 1.0µF IN2B OUT2 75Ω 75Ω 75Ω 75Ω 75Ω + YOUT + CBOUT 1.0µF GND GND OUT3 IN3A NC DISABLE (to A/D converter, etc.) NC VCC IN3B 1.0µF CRIN2 100µF OUT1 IN2A NC + 1.0µF CBIN1 75Ω ■ FC1 + (from D/A converter, etc.) 0.1µF YIN1 + CROUT VCC MUXSEL 1.0µF SEIKO NPC CORPORATION —9 SM5307A TYPICAL CHARACTERISTICS VCC = 5.0V, Ta = 25°C, VIN = 1.0Vp-p, RL = 75Ω, unless otherwise noted. 12 12 Bypass Bypass 6 0 0 −6 −6 SD1 −12 −18 SD2 −18 SD1 −24 HD −24 SD2 −30 HD Gain [dB] −12 −36 −36 −42 −42 −48 −48 −54 −60 0.1 −54 −60 0.1 10 Frequency [MHz] 100 1000 Figure 1. Gain vs. Frequency characteristics (CH-1) 100 1000 Figure 2. Gain vs. Frequency characteristics (CH-2, CH-3) 0 100 0 100 −6 90 −6 90 −12 80 −12 80 −18 70 −18 Group delay −24 70 −30 50 −36 40 −24 60 Group delay Gain [dB] 6 Group delay [ns] 12 110 Gain 6 Gain [dB] 10 Frequency [MHz] 120 12 120 Gain 110 60 −30 50 −36 40 −42 30 −42 30 −48 20 −48 20 −54 10 −54 10 −60 0 5 10 15 Frequency [MHz] 20 −60 0 25 Figure 3. Gain and Group delay vs. Frequency characteristics (CH-1, SD1 mode) 0 5 10 15 Frequency [MHz] 20 0 25 Figure 4. Gain and Group delay vs. Frequency characteristics (CH-2, CH-3, SD1 mode) 120 12 110 6 0 100 0 100 −6 90 −6 90 −12 80 −12 80 −18 70 −18 70 −24 60 −24 60 −30 50 −30 50 −36 40 −36 40 30 10 Gain 6 Group delay Group delay [ns] 120 12 Gain [dB] 1 −48 20 −54 10 −54 −60 0 10 20 30 Frequency [MHz] 30 40 0 50 Figure 5. Gain and Group delay vs. Frequency characteristics (CH-1, SD2 mode) −60 110 Gain −42 Group delay −48 −42 Group delay [ns] 1 0 10 Group delay [ns] −30 Gain [dB] Gain [dB] 6 20 20 30 Frequency [MHz] 40 0 50 Figure 6. Gain and Group delay vs. Frequency characteristics (CH-2, CH-3, SD2 mode) SEIKO NPC CORPORATION —10 SM5307A 6 0 100 0 100 −6 90 −6 90 −12 80 −12 80 −18 70 −18 70 −24 60 −24 60 −30 50 −30 50 −36 40 −36 40 −42 30 −42 −48 20 −48 10 −54 Group delay −60 0 20 40 60 Frequency [MHz] 80 −60 0 100 Figure 7. Gain and Group delay vs. Frequency characteristics (CH-1, HD mode) Gain Gain [dB] 6 20 10 0 20 40 60 Frequency [MHz] 80 0 100 Figure 8. Gain and Group delay vs. Frequency characteristics (CH-2, CH-3, HD mode) 110 100 −6 90 −12 80 −18 70 −24 60 −30 50 −36 40 −42 30 20 −54 −60 30 Group delay 120 0 −48 110 Group delay [ns] 12 120 Gain Group delay [ns] Gain [dB] −54 Gain [dB] 12 110 Gain 6 Group delay [ns] 120 12 Group delay 0 40 80 120 160 Frequency [MHz] 10 0 200 Figure 9. Gain and Group delay vs. Frequency characteristics (CH-1,CH-2, CH-3, Filter-bypass mode) SEIKO NPC CORPORATION —11 SM5307A 5 90 4.5 80 4 70 3.5 60 ICC2 [mA] ICC1 [mA] 100 50 40 30 3 2.5 2 1.5 20 1 10 0.5 0 −75 −50 −25 0 25 50 Ta [°C] 75 100 125 Figure 10. ICC1 vs. Ta (no signal input) 0 −75 −50 −25 0 25 50 Ta [°C] 75 100 125 Figure 11. ICC2 vs. Ta (no signal input) 7 6 Gain [dB] 5 4 3 2 1 0 −75 −50 −25 0 25 50 Ta [°C] 75 100 125 Figure 12. Gain vs. Ta (fin = 100kHz) SEIKO NPC CORPORATION —12 SM5307A Please pay your attention to the following points at time of using the products shown in this document. The products shown in this document (hereinafter “Products”) are not intended to be used for the apparatus that exerts harmful influence on human lives due to the defects, failure or malfunction of the Products. Customers are requested to obtain prior written agreement for such use from SEIKO NPC CORPORATION (hereinafter “NPC”). Customers shall be solely responsible for, and indemnify and hold NPC free and harmless from, any and all claims, damages, losses, expenses or lawsuits, due to such use without such agreement. NPC reserves the right to change the specifications of the Products in order to improve the characteristic or reliability thereof. NPC makes no claim or warranty that the contents described in this document dose not infringe any intellectual property right or other similar right owned by third parties. Therefore, NPC shall not be responsible for such problems, even if the use is in accordance with the descriptions provided in this document. Any descriptions including applications, circuits, and the parameters of the Products in this document are for reference to use the Products, and shall not be guaranteed free from defect, inapplicability to the design for the mass-production products without further testing or modification. Customers are requested not to export or re-export, directly or indirectly, the Products to any country or any entity not in compliance with or in violation of the national export administration laws, treaties, orders and regulations. Customers are requested appropriately take steps to obtain required permissions or approvals from appropriate government agencies. SEIKO NPC CORPORATION 1-9-9, Hatchobori, Chuo-ku, Tokyo 104-0032, Japan Telephone: +81-3-5541-6501 Facsimile: +81-3-5541-6510 http://www.npc.co.jp/ Email: [email protected] NC0314AE 2008.06 SEIKO NPC CORPORATION —13