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| TECHNICAL NOTE High performance video signal switcher Five inputs Dual Circuits Video Signal Switchers BA7626F/FS Description The BA7626F/FS is a 5-input video signal switching circuit with a broadband 6 dB amplifier that was developed for AV amplifier input switching. Just by devising a transistor buffer in the output, player switching of two VCR or other videotape players and three DVD players or other playback devices is possible. Moreover, input switching and switching of recording to a VCR or other device also can be performed independently. Since the input circuit of the BA7626F/FS is terminated by 20k impedance, it is suited to not only video signal but also chroma signal or audio signal switching. Features 1) 5 input line, 3 output line switching 2) Built-in 6 dB amplifier 3) 5V operating voltage 4) 20k input impedance Use AV amplifiers, Video selectors, etc. Lineup Part No. Package Input type BA7626F BA7626FS SOP16 SSOP-A16 Bias (R=20k) Absolute Maximum Ratings(Ta=25) Parameter Supply voltage Power dissipation BA7626F BA7626FS Symbol Vcc Pd Topr Limits 9 300 1 600 2 -25+70 Unit V mW Operating temperature Storage temperature Tstg -55+125 1 Deratings is done at 3.0mW/ above Ta=25.BA7626F 2 Deratings is done at 6.0mW/ above Ta=25.BA7626FS Operating Range(Ta=25) Parameter Power supply voltage Symbol Vcc Min 4.5 Typ 5.0 Max 5.5 Unit V Aug.2008 Electrical characteristics (Unless otherwise noted Ta=25, Vcc=5.0V) Parameter Symbol Min. Typ. Max. Circuit current ICC 15.0 20.0 Maximum BA7626F/FS 2.3 2.5 Vom output level Voltage gain GV 5.7 6.2 6.7 Interchannel crosstalk GT -65 -45 Mute level CTM -35 -25 Frequency characteristic Gf -3 0 +3 Input inpedance ZIN 16 20 24 CTL pin switching level VTH 2.2 3.3 This product is not designed for protection against radioactive rays. Truth table Input Output A B E MONOUT L L IN1 H L IN2 L H IN3 H H L IN4 H H H IN5 Indicates "don't care"(H or L) Block diagram Unit mA Vp-p dB dB dB dB k V Conditions f=1kHz, THD=0.5% f=1MHz, VIN=1Vp-p f=4.43MHz, VIN=1Vp-p f=4.43MHz, VIN=1Vp-p 10MHz/1MHz, VIN=1Vp-p C L H L H H Input D L L H H H E L H Output VOUT1 IN2 IN3 IN4 IN5 C L H L H H Input D L L H H H E L H Output VOUT2 IN1 IN3 IN4 IN5 VCC 100 470 75 TV Application circuit + MONOUT 1 GND 2 IN5 3 6dB logic 16 IN1 15 CTL A FRONT 2.2 + 1 2 AUX 75 3 4 REAR 2.2 + MONOUT GND IN5 GND IN4 CTL E IN3 CTL D IN1 16 100 + 2.2 OUT 75 VTR IN1 VCC + CTL A 15 VOUT1 VCC IN2 14 470 75 14 VOUT1 13 VCC A933 13 12 103 VCC 100 470 + + GND 4 IN4 5 6dB logic + 5.0V 47 2.2 OUT 75 VTR IN2 12 IN2 11 CTL B BS 75 5 6 + CTL E 6 IN3 7 CTL B 11 VOUT2 CTL C 10 9 2.2 LD + 7 8 75 10 VOUT2 9 CTL C 75 CTL D 8 Fig.1 Cautions on use F/R CTL REC CTL Fig.2 MON CTL 1) Numbers and data in entries are representative design values and are not guaranteed values of the items. 2) Although we are confident in recommending the sample application circuits, carefully check their characteristics further when using them. When modifying externally attached component constants before use, determine them so that they have sufficient margins by taking into account variations in externally attached components and the Rohm LSI, not only for static characteristics but also including transient characteristics. 3) Absolute maximum ratings If applied voltage, operating temperature range, or other absolute maximum ratings are exceeded, the LSI may be damaged. Do not apply voltages or temperatures that exceed the absolute maximum ratings. If you think of a case in which absolute maximum ratings are exceeded, enforce fuses or other physical safety measures and investigate how not to apply the conditions under which absolute maximum ratings are exceeded to the LSI. 4) GND potential Make the GND pin voltage such that it is the lowest voltage even when operating below it. Actually confirm that the voltage of each pin does not become a lower voltage than the GND pin, including transient phenomena. 5) Thermal design Perform thermal design in which there are adequate margins by taking into account the allowable power dissipation in actual states of use. 6) Shorts between pins and misinstallation When mounting the LSI on a board, pay adequate attention to orientation and placement discrepancies of the LSI. If it is misinstalled and the power is turned on, the LSI may be damaged. It also may be damaged if it is shorted by a foreign substance coming between pins of the LSI or between a pin and a power supply or a pin and a GND. 7) Operation in strong magnetic fields Adequately evaluate use in a strong magnetic field, since there is a possibility of malfunction. 2/4 Pin descriptionsTa=25, VCC=5V Equivalent circuit BA7626F/FS IN VCC Pin No. Pin name 3 5 7 12 16 IN5 IN4 IN3 IN2 IN1 QN 200 QN 20k QN 4.3V 30k 100A CTL VCC 6 8 9 11 15 CTL E CTL D CTL C CTL B CTL A 50k 2k D QP 50k QN 30k VCC QN3 17k 100 QN20 1 MONOUT MONOUT QN2 QN QN6 VCC QN5 200A 40k 100 10 14 VOUT2 VOUT1 600A QN20 D VOUT QN QN15 Selection of order type B A 7 6 F E 2 Part. No. BA7626F BA7626FS Tape and Reel information BA7626F...E2(Embossed carrier tape) BA7626FS...E2(Embossed carrier tape) 3/4 SOP16 Tape Quantity 10.00.2 16 9 Embossed carrier tape 2500pcs E2 (The direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand) 6.20.3 4.40.2 1 8 1.50.1 0.150.1 0.1 0.11 1.27 0.40.1 0.3Min. Direction of feed 1234 (Unit:mm) Reel 1234 When you order , please order in times the amount of package quantity. 1234 1Pin 1234 1234 Direction of feed 1234 1234 1234 SSOP-A16 Tape Quantity 6.60.2 1.50.1 4.40.2 0.11 6.20.3 0.3Min. 16 9 Embossed carrier tape 2500pcs E2 (The direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand) Direction of feed 1 8 0.150.1 0.1 0.8 1234 1234 1234 1234 1234 1234 1234 1234 0.360.1 Reel 1pin Direction of feed Unit:mm) When you order , please order in times the amount of package quantity. Catalog No.08T296A '08.8 ROHM (c) |
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