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Structure Product name Type Outer dimensions Block diagram Features
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Silicon Monolithic Integrated Circuit Wide Bandwidth Audio-Video SW for TV
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BH7645KS2
Fig.1 SQFP-T52 Fig.2 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) Video inputs selector : 2-inputs component, 2-inputs Y/C, and 2-inputs composite Component inputs : Correspond to D5 standard Built-in LPF selector(6.75MHz/13.5MHz/30MHz/Through) Built-in Video MUTE function Audio inputs selector : 6-inputs (Lch, Rch) Built-in Power-on MUTE function I2C-BUS control Optional Slave address modifications(90H/92H) I2C-BUS is compatible with fast mode of Version2.0, but not compatible with Hs mode Built-in detector 3ch(S_SW1/S_SW2/S_SW3) Built-in output port 2ch(PORT1_OUT/PORT2_OUT)
Symbol Vcc1 Vcc2 Pd VIN1 VIN2 Tstg Ratings 7 8.8 1300 *1 0 ~ Vcc1+0.2 0 ~ Vcc2+0.2 -55 ~ +125 Unit V V mW V V ℃
○Absolute Maximum Ratings (Ta=+25℃)
Parameter Supply voltage1 (2pin, 29pin, 33pin, 39pin, 44pin) Supply voltage2 (12pin) Power dissipation Input voltage range VIDEO PART, LOGIC PART AUDIO PART
Storage temperature range
When mounting on a 70mm×70mm×1.6mm PCB board Reduced by 13mW/℃ at Ta = +25℃ or higher ○Operating Range
Parameter Supply voltage1 (2pin, 29pin, 33pin, 39pin, 44pin) Supply voltage2 (12pin) Operating temperature range Symbol Vcc1 Vcc2 Topr Range +4.5 ~ +5.5 +7.5 ~ +8.5 -40 ~ +85 Unit V V ℃
*1
* This product is not designed for protection against radioactive rays. * Note the power supply sequence.
REV. A
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○Electrical characteristics (Unless otherwise specified, Ta= 25℃, Vcc1=5.0V, Vcc2=8.0V)
Item [VIDEO PART] Circuit current Voltage gain Frequency characteristics1 [f=6.75MHz LPF MODE] Frequency characteristics 2 [f=13.5MHz LPF MODE] Frequency characteristics 3 [f=30MHz LPF MODE] Frequency characteristics 4 [f=THROUGH MODE] Maximum output level SW crosstalk Channel crosstalk MUTE attenuation Bias input terminal Input impedance [AUDIO PART] (at Gain=0dB) Circuit current 0dB 6dB Frequency characteristics Total harmonic distortion Voltage gain 0dB Maximum output level 6dB Channel crosstalk SW crosstalk MUTE attenuation Remain noise PSRR Input impedance [LOGIC PART etc.] VIL [SCL] VIH [SDA] Input bias current SDA output voltage VIL [ADR] VIH Input impedance VIL [S_SW1] [S_SW2] VIH [S_SW3] Input impedance PORT output [PORT1_OUT] voltage [PORT2_OUT] Leak current VOM6A CTCHA CTSWA MTA NA PSRRA ZINA Vin1L Vin1H IINI2C VinL Vin2L Vin2H ZINADR Vin2L Vin2H ZINSSW VPL IPH 2.0 - - - - - 100 0 2.0 -10 0 0 2.0 70 0 2.0 100 - - 2.4 -100 -100 -100 30 -45 150 - - 0 - - - 100 - - 150 - - - -85 -85 -85 50 -38 - 1.0 Vcc1 10 0.4 1.0 Vcc1 130 1.0 Vcc1 - 0.5 5.0 Vrms dB dB dB uVrms dB kΩ V V uA V V V kΩ V V kΩ V uA Symbol Min. - -0.5 -1.5 -1.5 -1.5 -3.0 2.6 - - - 100 - -0.5 5.5 -3.0 - 2.0 Limits Typ. 55 0.0 0.0 -30 0.0 -30 0.0 -18 -0.5 3.0 -60 -60 -60 150 10 0.0 6.0 0.0 0.03 2.4 Max. 80 0.5 1.0 -20 1.0 -20 1.0 -10 2.0 -50 -50 -50 - 15 0.5 6.5 3.0 0.1 - Unit Conditions
ICCV GVV GF1-1V GF1-2V GF2-1V GF2-2V GF3-1V GF3-2V GF4-1V VOMV CTSWV CTCHV MTV ZINV ICCA GV0A GV6A GFA THDA VOM0A
mA dB dB dB dB dB dB dB dB Vpp dB dB dB kΩ mA dB dB dB % Vrms
No signal Vin=1.0Vpp, f=100kHz Vin=1.0Vpp, f=6.75MHz/100kHz Vin=1.0Vpp, f=27MHz/100kHz Vin=1.0Vpp, f=13.5MHz/100kHz Vin=1.0Vpp, f=54MHz/100kHz Vin=1.0Vpp, f=30MHz/100kHz Vin=1.0Vpp, f=74MHz/100kHz Vin=1.0Vpp, f=54MHz/100kHz f=10kHz, THD=1.0% Vin=1.0Vpp, f=10MHz Vin=1.0Vpp, f=10MHz Vin=1.0Vpp, f=10MHz
No signal Vin=1.0Vrms, f=1kHz Vin=1.0Vrms, f=1kHz Vin=1.0Vrms, f=50kHz/1kHz Vin=1.0Vrms, f=1kHz ※1 Maximum value of distortion
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