High-performance Video Signal Switchers VideoAudio Signal Switchers for Car Navigation Car DVD Player No.11066EAT05 BH7649KS2 Description BH7649KS2 is built-in video switch, audio switch and isolation amplifier in a single chip. Features 1) Video inputs selector: 7-inputs composite, Video outputs: 2-outputs 75 video driver, 2-outputs AMP 2) Built in Video gain switch (-6dB / -3dB / 0dB / 3dB) 3) Built in Video LPF switch (6.75MHz / Through) 4) Built in sag compensation circuit 5) Enables two load drivers 6) Video driver: Able to be used without load 7) Video driver : Able to be used without output coupling capacitor(one load) 8) Audio inputs selector: 5-inputs(Lch, Rch), Audio outputs : 2-outputs(Lch, Rch) 9) Built in Audio gain switch (0dB / -6dB) 10) Built in Audio LPF switch (24kHz / Through) 11) Built in MUTE function 12) Audio/Video all inputs: Built in isolator function 13) Selectable isolator function for different Audio/Video input channels 2 2 14) Serial control with I C-BUS (I C-BUS is compatible with fast mode of Version2.0) 15) Optional Slave address modifications (90H / 92H) Applications Car navigation, Car DVD Absolute maximum ratings (Ta=+25) Parameter Symbol Ratings Unit Supply voltage VVcc VVccmax 10 V Supply voltage AVcc AVccmax 10 V Power dissipation Pd 1900 *1 mW 2 Input voltage range I C-BUS input V -0.2 7.0 V I2CIN (SCL, SDA) Input voltage range Video selector, LOGIC V -0.2 5.1 V (VIN1, VRET1, VIN2, VRET2, VIN3, VRET3, VIN4, VRET4, IN1 VIN5, VRET5, VIN6, VRET6, VIN7, VRET7, ADR) Input voltage range Video driver V -0.2 VVcc+0.2 V DIN1 (VDIN1, VDIN2) Input voltage range Audio seletor V -0.2 AVcc+0.2 V (LIN1, ARET1, RIN1, LIN2, ARET2, RIN2, LIN3, ARET3, RIN3, AIN1 LIN4, ARET4, RIN4, LIN5, ARET5, RIN5) Storage temperature range Tstg -55+125 *1 When mounting on a 70mm70mm1.6mm 4-layer glass epoxy board Reduced by 19mW/ at Ta = +25 or higher Operating conditions Parameter Symbol Ratings Unit Supply voltage VVcc VVcc +7.5 +9.5 V Supply voltage AVcc AVcc +7.5 +9.5 V Operating temperature range Topr -40 +85 * This product is not designed for protection against radioactive rays. www.rohm.com 2011.04 - Rev.A 1/12 2011 ROHM Co., Ltd. All rights reserved. BH7649KS2 Technical Note Electric characteristic (Unless otherwise specified, Ta=+25, VVcc=8.5V, AVcc=8.5V) Limits Parameter Symbol Unit Conditions Min. Typ. Max. Circuit current1 ICC1 - 34 48 mA No signal(VIDEO) CHIP Circuit current2 ICC2 - 23 32 mA No signal(AUDIO) -6dB GVM6 -6.4 -6.0 -5.6 dB Vin=1.0Vpp, f=100kHz V -3dB GVM3 -3.4 -3.0 -2.6 dB Vin=1.0Vpp, f=100kHz V Voltage gain 0dB GV0 -0.4 0.0 0.4 dB Vin=1.0Vpp, f=100kHz V 3dB GV3 2.6 3.0 3.4 dB Vin=1.0Vpp, f=100kHz V 6dB GV6 5.6 6.0 6.4 dB Vin=1.0Vpp, f=100kHz V Frequency characteristics1 GF11 -1.5 0.0 1.0 dB Vin=1.0Vpp, f=6.75MHz/100kHz V f=6.75MHz LPF MODE GF12 - -30 -20 dB Vin=1.0Vpp, f=27MHz/100kHz V Frequency characteristics 2 1 Vin=1.0Vpp, f=10MHz/100kHz GF2 -0.6 0.9 1.9 dB V THROUGH MODE -6dB Gain=-6dB Frequency characteristics 2 2 Vin=1.0Vpp, f=10MHz/100kHz GF2 -0.7 0.8 1.8 dB V THROUGH MODE -3dB Gain=-3dB VIDEO Frequency characteristics 2 3 Vin=1.0Vpp, f=10MHz/100kHz GF2 -0.7 0.8 1.8 dB V THROUGH MODE 0dB Gain=0dB Frequency characteristics 2 4 Vin=1.0Vpp, f=10MHz/100kHz GF2 -1.0 0.5 1.5 dB V THROUGH MODE 3dB Gain=3dB Frequency characteristics 3 GF3 -3.0 -0.5 1.0 dB Vin=1.0Vpp, f=15MHz V VDOUT1, VDOUT2 Maximum output level VOM 2.6 - - Vp-pf=10kHz, THD=1.0% V Cross talk CT - -60 -50 dB Vin=1.0Vpp, f=4.43MHz V MUTE attenuation MT - -60 -50 dB Vin=1.0Vpp, f=4.43MHz V Common mode rejection ratio CMRR - -60 -40 dB Vin=1Vpp, f=20kHz 0dB GV0 -0.4 0.0 0.4 dB Vin=1Vrms, f=1kHz A Voltage gain -6dB GV6 -6.4 -6.0 -5.6 dB Vin=1Vrms, f=1kHz A GF11 -2.0 -0.5 1.0 dB Vin=1Vrms, f=24kHz/1kHz Frequency characteristics 1 A f=24kHz LPF MODE GF12 - -26 -15 dB Vin=1Vrms, f=96kHz/1kHz A Frequency characteristics 2 GF2 -1.0 0.0 1.0 dB Vin=1Vrms, f=50kHz/1kHz A THROUGH MODE Total harmonic distortion THD+N - 0.002 0.1 % Vin=1Vrms, f=1kHz 1 Maximum output level VOM 2.0 2.4 - Vrms f=1kHz, THD<0.3% 1 A AUDIO Cross talk CT - -100 -85 dB Vin=2Vrms, f=1kHz 1 A MUTE attenuation MT - -100 -85 dB Vin=2Vrms, f=1kHz 1 A Residual noise1 (THROUGH MODE select) N - 10 - uVrms A THROUGH MODE 2 Residual noise2 LOUT1, ROUT1(LPF select) N - 20 - uVrms A LPF f=24kHz LPF MODE 2 Common mode rejection ratio CMRR - -70 -40 dB Vin=1Vrms, f=1kHz PSRR PSRR - -50 - dB 3 A SCL,SDA VIL 4 Vin1L0 - 1.0 V Low Level input voltage VIH 4 Vin1H 2.0 - 5.5 V High Level input voltage Input bias current IINI2C -10 0 10 uA 2 I C SDA output voltage VoL 0 - 0.4 V at 3.0mA sink current ADR VIL Vin2L0 - 1.0 V Low Level input voltage VIH Vin2H 2.0 - 5.1 V High Level input voltage 5 Input impedance ZIN 70 100 130 k Pull-Down Resister ADR 1 400HzHPF + 30kHzLPF ON 2 IHF-A Filter ON 3 Vin=0.3Vpp, f=100Hz at VCC, 30kHzLPF ON 2 4 <I C-BUS(SCL,SDA) SPEC> VIL:-0.5 V 0.3V V , VIH:0.7 V V V +0.5 or 5.5 V (V :I2C-BUS Supply voltage) DD DD DD DD <BH7649KS2> Be sure to use as VIL:0.0 V 1.0 V , VIH:2.0 V 5.5 V 5 We recommend that it is connect ADR Pin to 38Pin(VREG Pin) when ADR Pin is used as H. www.rohm.com 2011.04 - Rev.A 2/12 2011 ROHM Co., Ltd. All rights reserved.