NJM2277

NJM2277 VIDEO SWITCH MATRIX sGENERAL DESCRIPTION s PACKAGE OUTLINE The NJM2277 is a Video switch for Set Top Box, and TV. The NJM2277 includes 2 CVBS input, 2-RGB input switches. Also it allow the inputs to be routed in 3 CVBS output, 1-RGB output. th The NJM2277 includes 5 -order Low pass Filter suppress the noise interference to video signal. The NJM2277 enable to control the Output Impedance for RGB outputs. NJM2277L NJM2277M sFEATURES q Operating Voltage ±5V q 2- RGB Switches. q 75Ω Cable Driver on all channels. q 41dB Stop Band Rejection (@27MHz) q Bipolar Technology q Package Outline SDIP28, SDMP30 sFUNCTION BLOCK DIAGRAM q 2-Input,3-output CVBS Switches. th q Quad 5 order Butter worth Low Pass Filter. q High Impedance output for RGB signal. +Vcc GND -VEE 6dB 75Ω 75Ω 75Ω 75Ω 75Ω 75Ω 75Ω S_Comp Out1 6dB Comp_Sin Comp_Vin FB_Sin FB_Vin R_Sin R_Vin G_Sin G_Vin B_Sin B_Vin Switch Control Switch Control S_Comp Out2 Filter 2 to 1 Switch 6dB 6dB TV_Comp Out 2 to 1 Switch FB_Out 2 to 1 Switch Filter 6dB 6dB Red Out 2 to 1 Switch 2 to 1 Switch Filter Green Out Filter 6dB Blue Out A/B Mux High Z Cont -1- NJM2277 s Pin Configuration (SDIP28) Fast Blanking Out TV Composite Out Power Supply STB RED In Power Supply VTR RED In GND STB BLUE In Power Supply 1 2 3 FB_out TV_Comp out Vcc1 R_Sin VEE1 R_Vin GND1 S_Comp Out2 28 STB Composite Video Out2 S_Comp Out1 27 STB Composite Video Out1 High Z Cont 26 RGB Output Control Comp_Sin A/B Mux Comp_Vin 25 4 5 6 7 STB Composite Video In 24 Switch Matrix Control 23 VTR Composite Video In GND 22 GND FB_Sin 21 STB Fast Blanking In 8 B_Sin 9 Vcc B_Vin VEE Vcc2 20 Power Supply FB_Vin 19 VTR BLUE In 10 Power Supply STB GREEN In GND VTR GREEN In 11 VTR Fast Blanking In VEE2 18 Power Supply Red Out Blue Out 17 RED Out 16 12 G_Sin 13 GND2 14 G_Vin BLUE Out Green Out Green Out 15 SDIP28 -2- NJM2277 s Pin Configuration (SDMP30) Fast Blanking Out TV Composite Out Power Supply STB RED In Power Supply1 VTR RED In GND STB BLUE In Power Supply VTR BLUE In Power Supply No Connect STB GREEN In GND VTR GREEN In 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FB_out TV_Comp out Vcc1 R_Sin VEE1 R_Vin GND1 B_Sin Vcc B_Vin VEE NC G_Sin GND2 G_Vin S_Comp Out2 S_Comp Out1 High Z Cont Comp_Sin A/B Mux Comp_Vin GND FB_Sin Vcc2 FB_Vin VEE2 NC Red Out Blue Out Green Out 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 STB Composite Video Out1 STB Composite Video Out2 RGB Output Control STB Composite Video In Switch Matrix Control VTR Composite Video In GND STB Fast Blanking In Power Supply VTR Fast Blanking In Power Supply No Connect RED Out BLUE Out Green Out SDMP30 -3- NJM2277 s Pin Description Symbol Pin No. I/O Type SDIP28 SDMP30 Equivalent Circuit Function VCC FB_out 1 1 O Fast Blanking Output VEE VCC TV_Comp out 2 2 O Composite Video Signal Output VEE Vcc1 3 3 _ _ Vcc VCC 400Ω R_Sin 4 4 I 100kΩ RGB Signal Input CVBS/Y/C Signal Input VEE GND -4- NJM2277 Symbol Pin No. SDIP28 SDMP30 I/O Type Equivalent Circuit Function VEE1 5 5 _ _ VEE VCC 400Ω R_Vin 6 6 I 100kΩ RGB Signal Input CVBS/Y/C Signal Input VEE GND GND1 7 7 _ _ 0 VCC 400Ω B_Sin 8 8 I 100kΩ RGB Signal Input CVBS/Y/C Signal Input VEE GND -5- NJM2277 Symbol Pin No. I/O Type SDIP28 SDMP30 Equivalent Circuit Function Vcc 9 9 _ _ Vcc VCC 400Ω B_Vin 10 10 I 100kΩ RGB Signal Input CVBS/Y/C Signal Input VEE GND VEE 11 11 _ _ VEE VCC 400Ω G_Sin 12 13 I 100kΩ RGB Signal Input CVBS/Y/C Signal Input VEE GND -6- NJM2277 Symbol Pin No. I/O Type SDIP28 SDMP30 Equivalent Circuit Function GND2 13 14 _ _ 0 VCC 400Ω G_Vin 14 15 I 100kΩ RGB Signal Input CVBS/Y/C Signal Input VEE GND VCC Green Out 15 16 O Filtered RGB Signal Output VEE VCC Blue Out 16 17 O Filtered RGB Signal Output VEE -7- NJM2277 Symbol Pin No. SDIP28 SDMP30 I/O Type Equivalent Circuit Function VCC Red Out 17 18 O Filtered RGB Signal Output VEE VEE2 18 20 _ _ VEE VCC 400Ω FB_Vin 19 21 I 100kΩ VTR/STB Fast Blanking Input VEE GND Vcc2 20 22 _ _ Vcc -8- NJM2277 Symbol Pin No. SDIP28 SDMP30 I/O Type Equivalent Circuit Function VCC 400Ω FB_Sin 21 23 I 100kΩ VTR/STB Fast Blanking Input VEE GND GND 22 24 _ _ 0 VCC 400Ω Comp_Vin 23 25 I 100kΩ Video Signal Input CVBS/Y/C Signal Input VEE GND VCC 400Ω A/B Mux 24 26 I 1kΩ Input Channel Selector 100kΩ VEE GND -9- NJM2277 Symbol Pin No. I/O Type SDIP28 SDMP30 Equivalent Circuit Function VCC 400Ω Comp_Sin 25 27 I 100kΩ Video Signal Input CVBS/Y/C Signal Input VEE GND VCC 400Ω High_Z Cont 26 28 I 1kΩ RGB Output Impedance Control “0”= High Impedance “1”= Through VEE GND 100kΩ VCC S_Comp Out1 27 29 O Filtered Video Signal Output VEE VCC S_Comp Out2 28 30 O Filtered Video Signal Output VEE - 10 - NJM2277 sABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL RATING 15 (SDIP28) 700 (SDMP30) 700 -40 to +85 -40 to +125 UNIT V mW °C °C V + PD Topr Tstg sELECTRICAL CHARACTERISTICS ( Ta=25°C, Vcc=5.0V,VEE=-5V) PARAMETER Operating Voltage Supply Current SYMBOL TEST CONDITION MIN. ±4.5 TYP. ±5.0 46 MAX. ±5.5 56 UNIT V mA V + Icc No Signal,No Loard 36 qVideo system( Ta=25°C, Vcc=5.0V,VEE=-5V, RL=150Ω unless otherwise specified.) PARAMETER Gain Frequency Response Characteristics Stop Band Rejection -3dB Bandwidth RGB Gain matching level Total Harmonic Distortion Cross talk1 Cross Talk2 Differential Gain Differential Phase Input Impedance Output Impedance Output Impedance Equivalent Output Capacitance Group Delay SYMBOL TEST CONDITION Vin=1.0Vp-p 100KHz S_Comp Out1/2,TV_Comp Out Red/Green/Blue Out Vin=1.0Vp-p 5MHz /100KHz All filtered channel f=100KHz/27MHz ,1Vp-p All filtered channel All filtered channel Gain Matching Between Red/Green/Blue Out f=1KHz, 1Vp-p input Vin=4.43MHz/1.0Vp-p One input to any other output f=4.43MHz/1Vp-p Mux input to output Vin=1Vp-p,10step Stairs-signal except FBout Vin=1Vp-p,10step Stairs-signal except FBout All Channel High Z Cont=”0” Red/Green/Blue Output High Z Cont=”1” Red/Green/Blue Output , RGB output, High Z Cont=”0” Vin=1Vp-p, 100Khz All filtered Channel MIN 6.0 -1.0 -35 -5 10 - TYP 6.4 0 -41 7.1 0 0.1 -60 -60 0.4 0.4 50 20 45 3 70 MAX 6.8 1.05 - UNIT dB dB dB MHz % % dB dB % deg KΩ KΩ mΩ pF nS GV FBW Fsb Fc Gm THD CT1 CT2 DG DP Rin Ro1 Ro2 Co Tpd - 11 - NJM2277 sELECTRICAL CHARACTERISTICS ( Ta=25°C, V=±5V) q Fast Blanking ( Ta=25°C, Vcc=5.0V,VEE=-5V, RL=150Ω unless otherwise specified.) PARAMETER Fast Blanking Output Low Level Fast Blanking Output High Level Fast Blanking Delay SYMBOL TEST CONDITION FB S/Vin=0V FB S/Vin=2Vp-p FB S/Vin=2Vp-p 100KHz MIN 0 2.0 - TYP MAX 0.4 UNIT V V FBlow FBhigh Ftpd 3.8 25 - nS q Switch Contorl ( Ta=25°C, Vcc=5.0V, VEE=-5V, RL=150Ω unless otherwise specified.) PARAMETER A/B Mux Logic-High level A/B Mux Logic-Low level High Z Control Logic-High level High Z Control Logic-Low level q SWITCH CONTROL TABLE A/B Mux : Input Channel Selector Control Signal 0* 1 * : Default setting High Z Cont : RGB Outputs Impedance Control Control Signal RGB Outputs Impedance TV Comp Video Out Comp_Vin Comp_Sin FB Out FB _Vin FB _Sin OUTPUTS Red Out R_Vin R_Sin Green Out G_Vin G_Sin Blue Out B_Vin B_Sin SYMBOL TEST CONDITION MIN 2.0 TYP MAX UNIT V Vihm Vilm Vihz Vilz 0.8 2.0 0.8 V V V 0* High Impedance 1 Through * : Default setting - 12 - NJM2277 sMeasurement Circuit ( Ta=25°C, Vcc=5V,VEE=-5V) 150Ω SW28 150Ω TP27 SW27 TP27 TP25 TP24 TP23 TP21 TP19 150Ω 150Ω 150Ω SW15 TP16 Blue Out TP15 Green Out G_Vin TP14 150Ω TP17 Blue Out GND2 TP16 Green Out G_Vin TP15 TP28 SW17 SW16 TP17 Comp_Vin GND Comp_Sin S_Comp Out2 S_Comp Out1 SDIP28 TV_Comp Out FB_Out TP1 SW1 150Ω 150Ω 0.47uF R_Sin VCC1 R_Vin G_Sin B_Sin B_Vin VEE1 GND2 GND1 VCC TP2 SW2 TP4 + + 47uF 0.47uF TP6 47uF TP8 TP10 TP12 GND VCC VEE 150Ω 150Ω SW30 TP30 TP28 TP27 TP26 TP25 TP23 TP21 150Ω SW18 Red Out High Z Cont FB_Sin FB_Vin VCC2 VEE2 VEE A/B Mux 150Ω SW29 TP29 SW17 SW16 TP18 A/B Mux FB_Sin S_Comp Out2 S_Comp Out1 Comp_Sin Comp_Vin Red Out G_Sin TP13 FB_Vin VEE2 High Z Cont Vcc2 GND NC NC SDMP30 TV_Comp out TP1 TP2 SW1 150Ω 150Ω 0.47uF SW2 TP4 + + 47uF 0.47uF TP6 47uF TP8 TP10 B_Vin R_Sin VEE1 FBout GND1 R_Vin B_Sin Vcc1 VEE Vcc GND VCC VEE - 13 - NJM2277 sTypical Characteristics Frequency Response ( Ta=25°C, Vcc=5V,VEE=-5V) 10 0 -10 Gain [dB] -20 -30 -40 -50 0.1 1 Frequency [MHz] 10 100 Normalized Frequency Response ( Ta=25°C, Vcc=5V,VEE=-5V) 1 0 -1 -2 Gain [dB] -3 -4 -5 -6 0 .1 1 F re q u e n c y [M H z ] 10 100 Group Delay ( Ta=25°C, Vcc=5V, VEE=-5V) 92 88 DELAY[nS] 84 80 76 72 0 2 4 6 Frequency[MHz] 8 10 12 - 14 - NJM2277 sAPPLICATION CIRCUIT CVBS/Y Fast Blank R/C (SDMP30) Mod Out ENCODER G B 6dB 29 CVBS/Y 6dB Filer 27 25 20 CVBS/Y 23 21 4 6 R/C 11 G 7 B 13 15 8 10 Filter 6dB Filter 6dB Filter 6dB 6dB 6dB 30 CVBS/Y 2 CVBS/Y 19 16 18 R/C 15 11 7 17 B 19 1 Fast Blank 15 16 Fast Blank 16 G 26 TV SCART VCR SCART 28 (Note) When there is no offset voltage of input, it is possible to remove the capacitor of 4.7uF of an input. TV Fast Blanking Out TV Composite Out 75Ω 1 75Ω 2 VCC 75Ω 30 75Ω 29 VCC Composite Video Out1 Composite Video Out2 RGB Output Control ENCODER Composite Video In VCC 3 28 4.7uF ENCODER RED In 75Ω VEE 4.7uF 4 27 75Ω 5 26 4.7uF Sw itch Matrix Control VCR Composite Video In GND VCR RED In 75Ω GND 4.7uF 6 25 75Ω 7 24 ENCODER BLUE In 75Ω VCC 4.7uF 8 9 4.7uF 10 21 VEE ENCODER Fast Blanking In 23 VCC SDMP30 22 75Ω VCR BLUE In 75Ω VEE VCR Fast Blanking In 0.47uF 75Ω VCC + GND 47uF +5V 11 20 12 19 75Ω VEE + ENCODER GREEN In 75Ω GND 4.7uF 13 18 -5V 0.47uF 47uF TV RED Out 75Ω 14 17 75Ω TV BLUE Out TV Green Out [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. VCR GREEN In 75Ω 4.7uF 15 16 - 15 -