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BH7600AFS

BH7600AFS

  • 厂商:

    ROHM(罗姆)

  • 封装:

  • 描述:

    BH7600AFS - Wide Band 3-output Video Driver - Rohm

  • 数据手册
  • 价格&库存
BH7600AFS 数据手册
High-performance System Video Driver Series Wide Band 3-output Video Driver BH7600AFS, BH7601FS, BH7602FS ● No.09065EAT05 Description BH7600AFS, BH7601FS and BH7602FS is wide band 3-output video driver for high-definition television system. This video driver is built in the DC output circuits (LINE1, LINE2, LINE3 output ) for D terminal and detector to connect. And they have line-up build in sync-mix, DC shift input, selectable LPF every applications. ● Features 1) Built-in the DC output circuits (LINE1, LINE2, LINE3) / detector to connect. 2) Built-in OUTPUT MUTE circuit 2 3) I C BUS control 4) Pedestal clamp input with sync mix (BH7600AFS) 5) Sync tip clamp input 1ch, bias input 2ch (BH7601FS) 6) Possible to be directly connected with DAC by DC shift circuit (BH7602FS) 7) Built-in power down function (BH7602FS) Applications DVD Player, DVD Recorder, DVC, DSC, STB, TV and so on. ● ● Line Up Parameter Input form of Py Input form of Pb, Pr Voltage Gain Package BH7600AFS Pedestal Clamp With sync mix Pedestal Clamp 5.5dB SSOP-A24 BH7601FS Sync tip Clamp Bias Input 8.45dB SSOP-A24 BH7602FS DC Shift (Directly connected) DC Shift (Directly connected) 6.0dB SSOP-A20 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 1/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Absolute Maximum Ratings ( Ta=25℃ ) Parameter Supply Voltage Power Dissipation Input Voltage Range Operating Temperature Storage Temperature Symbol Vcc Pd Vin Topr Tstg Rating 7 800 (SSOP-A24) 750 (SSOP-A20) 0~Vcc -25~+75 (SSOP-A24) -35~+75 (SSOP-A20) -55~+125 Unit V mW V ℃ ℃ Technical Note ※1. 70mm×70mm×1.6mm mounting on the glass epoxy board. ※2. For operation above Ta=25℃ free-air temperature, power dissipation is decreasing 8.0mW/℃(SSOP-A24), 7.5mW/℃ (SSOP-A20). ● Operating Voltage Range Parameter Supply Voltage (BH7600AFS/BH7601FS) Supply Voltage (BH7602FS) ● Symbol Vcc Vcc Min 4.5 4.5 Typ 5.0 5.0 Max 5.5 5.25 Unit V V BH7600AFS Electrical Characteristics (Unless otherwise specified, Ta=25℃,VCC=5V) Parameter 《All Circuits》 Circuit Current LINEOUT「H」Voltage LINEOUT「M」Voltage LINEOUT「L」Voltage LINEOUT Impedance 《Video Driver Parts》 Voltage Gain Frequency Characteristics 1 MUTE Input Parts Impedance MUTE「H」Level Input Voltage MUTE「L」Level Input Voltage 《SYNC》 SYNC1, 2「H」Level Input Voltage SYNC1, 2「L」Level Input Voltage SYNC Input Bias Current SYNC Mix Level 《Control Parts》 「H」Level Input Voltage 「L」Level Input Voltage SDA「L」Sink Current DET Detection Level「H」 DET Detection Level「L」 DET Input Bias Current Symbol ICC VLOH VLOM VLOL ZLO GV VF1 ZIN VMH VML VSYNH VSYNL ISYN VSYL VH VL ISIN VDH VDL IDET Min 10.8 4.0 1.5 0.0 1.3 -1 -1 75 2.0 0 2.0 0 0 270 2.0 0 4.0 2.0 0 0 Typ 21.5 4.9 1.9 0.2 1.8 -0.5 0 100 -2.0 300 -2.0 Max 32.3 5.0 2.3 0.5 2.3 0 1 125 VCC 1.0 VCC 1.0 20 330 VCC 1.0 VCC 1.0 -20 Unit mA V V V kΩ dB dB kΩ V V V V μA mV V V mA V V μA ※1 Measure at separation of 75Ω+75Ω Conditions No Signal VIN=1VP-P, f=1MHz ※1 VIN=1VP-P, f=1M/10MHz ● Reference Value (Unless otherwise specified, Ta=25℃,VCC=5V) Parameter 《Video Driver Parts》 Frequency Characteristic2 Mute Attenuation Channel Crosstalk Symbol VF2 VMT CTV Min -3 Typ -1 -40 -40 Max 1 Unit dB dB dB Conditions VIN=0.7VP-P, f=1M/10MHz VIN=1VP-P, f=30MHz VIN=1VP-P, f=20MHz www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 2/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● BH7601FS Electrical Characteristics (Unless otherwise specified, Ta=25℃,VCC=5V) Parameter Symbol Min Typ Max 《All Circuit》 Circuit Current ICC 13.5 27.0 40.5 LINEOUT「H」Voltage VLOH 3.5 4.25 5.0 LINEOUT「M」Voltage VLOM 1.4 1.9 2.4 LINEOUT「L」Voltage VLO 0.0 0.1 0.5 LINEOUT Impedance ZLO 1.3 1.8 2.3 《Video Driver Parts》 Voltage Gain GV 1.65 2.45 3.25 Frequency Characteristics VF1 -1 0 1 MUTE Input Parts Impedance ZMUTE 75 100 125 MUTE「H」Level Input Voltage VMH 2.0 VCC MUTE「L」Level Input Voltage VML 0 1.0 PB, PR Input Impedance ZIN 14 20 26 《Control Parts》 「H」Level Input Voltage VH 2.0 VCC 「L」Level Input Voltage SDA 「L」Sink Current DET Detection Level「H」 DET Detection Level「L」 DET Input Bias Current ● VL ISIN VDH VDL IDET 0 4.0 2.0 0 0 -2.0 1.0 VCC 1.0 -20 Technical Note Unit mA V V V kΩ dB dB kΩ V V kΩ V V Conditions No signal (VCC=5V±5%) (VCC=5V±5%) (VCC=5V±5%) VIN=0.75VP-P, f=1MHz ※1 VIN=0.75VP-P, f=1M/10MHz mA V V μA ※1 Measure at separation of 75Ω+75Ω ● Reference Value (Unless otherwise specified, Ta=25℃, VCC=5V) Parameter Symbol Min Typ Max Unit Conditions 《Video Driver Parts》 Frequency Characteristics2 VF2 -1 dB VIN=0.53VP-P, f=1M/30MHz Mute Attenuation VMT -40 dB VIN=0.75VP-P, f=20MHz Channel Crosstalk CTV -40 dB VIN=0.75VP-P, f=20MHz BH7602FS Electrical Characteristics (Unless otherwise specified, Ta=25℃,VCC=5V) Parameter Symbol Min Typ Max Unit Conditions 《All Circuits》 VCC Circuit Current IVCC 44 56 68 mA No signal VCC Circuit Current PD IPD 1.5 3.0 mA Power down 《Video Driver Parts》 Y/PB/PR OUT Voltage Gain Vin=1.0VP-P, f=100kHz G20 5.5 6.0 6.5 dB Y/PB/PR OUT Vin: THD=1.0% f=10kHz 2.6 2.9 VP-P VOM20 Maximum Output Level Vin=1.0VP-P, f=30M/100kHz, Y OUT LPF1 -5.0 -1.5 1.0 dB F1201 Frequency Characteristics 1 LPF1:ON Y OUT LPF2 Vin=1.0VP-P, f=13.5M/100kHz, -1.5 -0.5 0.5 dB F2201 Frequency Characteristics 1 LPF2:ON Vin=1.0VP-P, f=15M/100kHz, PB/PR OUT LPF1 -5.0 -1.5 1.0 dB F1171 Frequency Characteristics 1 LPF1:ON PB/PR OUT LPF2 Vin=1.0VP-P, f=6.75M/100kHz, -1.5 -0.5 0.5 dB F2171 Frequency Characteristics 1 LPF2:ON Y OUT LPF1 Vin=1.0VP-P, f=74.25M/100kHz, F1202 -45 -28 dB Frequency Characteristics 2 LPF1:ON Y OUT LPF2 Vin=1.0VP-P, f=54M/100kHz, -40 -28 dB F2202 Frequency Characteristics 2 LPF2:ON PB/PR OUT LPF1 Vin=1.0VP-P, f=37.125M/100kHz, F1172 -45 -28 dB Frequency Characteristics 2 LPF1:ON PB/PR OUT LPF2 Vin=1.0VP-P, f=27M/100kHz, -40 -28 dB F2172 Frequency Characteristics 2 LPF2:ON MUTE Attenuation MT20 -65 -55 dB Vin=1.0VP-P, f=4.43MHz Channel Crosstalk MTCH -65 -55 dB Vin=1.0VP-P, f=4.43MHz 《D_DET》 Input Voltage H VI14H 4.0 VCC V Input Voltage M VI14L 0.0 1.0 V Input Impedance ZI14 100 150 200 kΩ Pull Up Resistance 《LINE_OUT》 Output Voltage H VO13H 4.2 4.5 4.8 V Output Voltage M VO13M 1.7 2.0 2.3 V Output Voltage L VO13L 0.0 0.1 0.5 V Input Impedance ZO13 0.5 0.9 1.3 kΩ Pull Down Resistance www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 3/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Electrical Characteristics (Unless otherwise specified, Ta=25℃,VCC=5V) Parameter 《ADR》 Input Voltage H Input Voltage L Input Impedance 《SCL, SDA》 Input Voltage H Input Voltage L Input Bias Current Symbol VI8H VI8L ZI8 VI9H VI9L IB9 Min 2.0 0.0 65 Typ 100 Max Vcc 1.0 135 Unit V V kΩ Technical Note Conditions Pull Down Resistance 2.0 Vcc V 0.0 1.0 V μA -10 0 10 ※2 VIDEO part input signal : 0.5~1.5V (1.0Vp-p) sine wave, VREF pin: 0.9V ● Block Diagram BH7600AFS 1 YIN PEDESTAL CLAMP SYNC MIX YGND VIDEO DRIVER BH7601FS 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 YIN VIDEO DRIVER YGND YOUT DVCC LINE1 LINE2 LINE3 DET DAGND VIDEO DRIVER 24 23 22 21 20 19 18 17 16 15 14 13 2 YVCC 3 4 5 6 7 8 9 10 11 12 SCL SDA SYNC1 SYNC SYNC2 AVCC MUTE PBVCC PBIN PRVCC PRIN PEDESTAL CLAMP PEDESTAL CLAMP CONTROL I 2C-BUS CONTROL MUTE YOUT DVCC LINE1 LINE2 LINE3 DET DAGND VIDEO DRIVER YVCC SCL SDA VCC1 VCC2 AVCC MUTE PBVCC 20kΩ MUTE LINE1 OUTPUT LINE2 OUTPUT LINE3 OUTPUT DET I 2C-BUS CONTROL LINE1 OUTPUT LINE2 OUTPUT LINE3 OUTPUT DET MUTE VIDEO DRIVER MUTE VIDEO DRIVER PBOUT PBGND PROUT PRGND PBOUT PBGND PROUT 20kΩ MUTE VIDEO DRIVER PBIN PRVCC PRIN MUTE VIDEO DRIVER MUTE MUTE PRGND Fig.1 Fig.2 BH7602FS VIDEO DRIVER 1 YIN DC_SHIFT LPF1 LPF2 MUTE 6dB Y_OUT 20 2 TEST TEST N.C 19 3 PB_IN DC_SHIFT LPF1 LPF2 MUTE VIDEO DRIVER P_VCC 18 4 S_VCC 6dB PB_OUT 17 5 PR_IN DC_SHIFT LPF1 LPF2 MUTE VIDEO DRIVER P_GND 16 6 S_GND 6dB PR_OUT 15 7 VREF D-Connector Detect D_DET 14 8 ADR H M L H L LINE1_OUT 13 9 SCL IIC-BUS Control LINE2_OUT 12 10 SDA H M L LINE3_OUT 11 Fig.3 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 4/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Terminal Description・Input/Output Equivalent Circuit BH7600AFS Standard Pin.No Pin Name IN OUT voltage Technical Note Input/Output Equivalent Circuit Terminal Description Y Signal Input Terminal 1 YIN ○ - 2.3V This terminal is Y signal input terminal. The input is pedestal clamp. It is possible to mix sync signal by pulse of SYNC1, SYNC2. 100 100 Vcc Terminal 2 7 9 11 22 YVcc AVcc PBVcc PRVcc DVcc YVcc, PBVcc, PRVcc are Vcc terminal of video driver. AVcc is the Vcc terminal of the other analog parts. DVcc is the Vcc terminal of the digital parts. - - 5.0V 1 1kk Sync Control Terminal It is sync control pulse input terminal synchronized to Y signal for pedestal clamp. 5 6 SYNC1 SYNC2 ○ - - GND Terminal 13 15 17 24 PRGND PBGND DAGND YGND - - 0.0V PRGND, PBGND, YGND are GND terminal of video driver. DAGND is the GND terminal except driver parts. PB, PR Signal Input Terminal 10 12 PBIN PRIN ○ - 2.8V 100 100 This terminal is the input terminal. This input is pedestal clamp. Line Output Terminal 19 20 21 LINE3 LINE2 LINE1 ― ○ ― 1.8k It is the line 3 value output terminal for D terminal. This terminal is controlled by I2C BUS. ※ The values in the terminal descriptions and input/output equivalent circuit are for reference only - they are not guaranteed. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 5/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Terminal Description・Input/Output Equivalent Circuit BH7600AFS/BH7601FS Standard Pin.No Pin Name IN OUT Voltage Technical Note Input/Output Equivalent Circuit 2 Terminal Description I C BUS CLOCK Input Terminal 50 30k 3 SCL ○ ― ― This terminal is serial clock input terminal that is based on I2C BUS. Usually, it use to pull up by resistor. I2C BUS DATA Input Terminal 50 30k 4 SDA ○ ― ― This terminal is serial data input terminal that is based on I2C BUS. Usually, it use to pull up by resistor. Mute Control Terminal 100k 100k 8 MUTE ○ ― 5.0V 1k 1k This terminal is connected to Vcc with 100kΩ, when the terminal is open or High, mute mode, when Low, normal mode. 14 16 PROUT PBOUT PB, PR Signal Output Terminal ― ○ 2.1V This terminal is the PR, PB output terminal. 1.2V (BH7600AFS) 23 YOUT ― ○ 0.7V (BH7601FS) Y Signal Output Terminal This terminal is the Y signal output terminal. DET Terminal 1k 18 DET ○ ― ― This terminal is the detector to connect D terminal. Usually, it use to pull up by resistor. ※ The values in the terminal descriptions and input/output equivalent circuit are for reference only - they are not guaranteed. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 6/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Terminal Description・Input/Output Equivalent Circuit BH7601FS Standard Pin.No Pin Name IN OUT Voltage Technical Note Input/Output Equivalent Circuit Terminal Description Y Signal Input Terminal 1 YIN ○ ― 2.8V 100 This terminal is Y signal input terminal. The input is sync tip clamp. Vcc Terminal 2 5 6 7 9 11 22 YVcc Vcc1 Vcc2 AVcc PBVcc PRVcc DVcc YVcc, PBVcc, PRVcc are Vcc terminal of video driver. Vcc1, Vcc2, AVcc are the Vcc terminal of the other analog parts ( These 3 terminals are connected inside), DVcc is Vcc terminal of the digital parts. ― ― 5.0V PB, PR Signal Input Terminal 10 12 PBIN PRIN ○ ― 2.1V 100 This terminal is the PR, PB input terminal. The input is bias type. GND Terminal 13 15 17 24 PRGND PBGND DAGND YGND PRGND, PBGND, YGND are GND terminal of video driver. DAGND is the GND terminal of the blocks except video driver. ― ― 0.0V Line Output Terminal 19 20 21 LINE3 LINE2 LINE1 - ○ - 2.11k 12k This terminal is the line 3 value output terminal for D terminal. This terminal is controlled by I2C BUS. ※ The values in the terminal descriptions and input/output equivalent circuit are for reference only - they are not guaranteed. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 7/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Terminal Description・Input/Output Equivalent Circuit BH7602FS Pin.No Pin Name IN OUT Standard Voltage Input/Output Equivalent Circuit Technical Note Terminal Description Component signal input terminal 1 3 5 Y_IN PB_IN PR_IN ○ ― (VS7-0.4) ~ (VS7+0.9) Input range is possible to regulate by VREF terminal input voltage (VS7). When Vcc off, this terminal become high impedance. 20 17 15 Y_OUT PB_OUT PR_OUT ― ○ 0.7 At input terminal voltage =(VS7-0.4) Component signal output terminal It is possible to output two drivers. Reference Terminal 7 VREF ○ ― 0.4~1.4 This terminal is input terminal of inside reference voltage for DC-shift circuit. D Terminal Input Terminal for detector to connect 14 D_DET ○ ― 5.0V Terminal condition (H/L) is possible to read out by I2C BUS. When D mode, it is possible to control of power-down into terminal condition (H/L). LINE-OUT Terminal 13 12 11 LINE1_OUT LINE2_OUT LINE3_OUT 4.5(H) 2.0(M) 0.1(L) This terminal is the line 3 value output terminal for controlled by I2C BUS. Each distinction output are correspond with the D terminal standard. ― ○ I C BUS clock Input Terminal 9 SCL ○ ― ― This terminal is possible to operate max 400kHz. When Vcc off, this terminal become high impedance. 2 ※ The values in the terminal descriptions and input/output equivalent circuit are for reference only - they are not guaranteed. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 8/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Terminal Description・Input/Output Equivalent Circuit BH7602FS Pin.No Pin Name IN OUT Standard Voltage Input/Output Equivalent Circuit 2 Technical Note Terminal Description I C-BUS Data Input/ Output Terminal 10 SDA ○ ○ ― This terminal is possible to operate max 400kHz. When VCC off, this terminal become high impedance. Slave Address Change Terminal 8 ADR ○ ― 0V LOW: D8H High: DAH LOGIC Test Mode Change Terminal 2 TEST ○ ― 0V Usually not use. This terminal is 0V input (=GND ). 18 P_VCC ― ― 5.0V VCC terminal output. for driver 19 P_GND ― ― 0V GND terminal output. for driver 4 S_VCC ― ― 5.0V VCC terminal for the analog part except driver and digital part. 6 S_GND ― ― 0V GND terminal for the analog part except driver and digital part. ※ The values in the terminal descriptions and input/output equivalent circuit are for reference only - they are not guaranteed. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 9/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS Technical Note ■ 2 I C BUS Control Input Specifications 〈 BH7600AFS / BH7601FS 〉  I2C BUS Format (WRITE MODE) S SLAVE ADDRESS A DATA A: Acknowledge A P P: Stop Condition b3 1 LINE2 b2 0 b1 0 LINE3 b0 0 S: Start Condition b7 1 0 b6 1 0 b5 0 Slave address DATA  b4 1 LINE1 Select Input Switch・ Setting Mode (When power on, it becomes * condition.) LINE1 LINE2 Explanation Setting output of LINE1 OUT 00: LOW *(BH7601FS) 01: LOW 10: MIDDLE 11: HIGH *(BH7600AFS) Setting output of LINE2 00: LOW *(BH7601FS) 01: LOW 10: MIDDLE 11: HIGH *(BH7600AFS) Explanation LINE3 Setting output of LINE3 OUT 00: LOW *(BH7601FS) 01: LOW 10: MIDDLE 11: HIGH *(BH7600AFS)  2 I C BUS Format (READ MODE) S SLAVE ADDRESS A DATA A: Acknowledge NA P NA: No Acknowledge P: Stop Condition S: Start Condition Slave address DATA b7 1 0 b6 1 0 b5 0 0 b4 1 0 b3 1 0 b2 0 0 b1 0 0 b0 1 DET  Select Input Switch・ Setting Mode Explanation Read out the condition of DET (18PIN) pin. 0: LOW 1: HIGH DET www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 10/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ■ I2C BUS Control Input Specifications 〈 BH7602FS 〉 2  I C BUS Format (WRITE MODE) S SLAVE ADDRESS A DATA1 A DATA2 A P Technical Note S: Start Condition A: Acknowledge P: Stop Condition Slave address DATA1 DATA2 b7 1 PD b6 1 LPF_SW D_MODE b5 0 LINE1 0 b4 1 0 b3 1 LINE2 0 b2 0 0 0 b1 ADR LINE3 0 b0 R/W 0  Select Input Switch・ Setting Mode (When power on, it becomes * condition.) Explanation Slave Address (write mode) set by ADR pin. 0: “D8H”when ADR is Low. 1: “DAH”when ADR is High. LPF_SW Setting output 00: LPF1 01: LPF2 10: - 11: MUTE * (NOTE)“10”is No use Setting output of LINE2_OUT for D terminal 0: L * 1: H Explanation R/W READ/WRITE Setting Mode 0: WRITE 1: READ Setting output of LINE1_OUT for D terminal 00: L * 01: L 10: M 11: H Setting of output of LINE3_OUT for D terminal 00: L * 01: L 10: M 11: H D terminal detect mode change 0: OFF * 1: ON(D terminal detect mode) ADR LPF_SW LINE1 LINE2 LINE3 PD Power down control 0: Normal * 1: PD(Power down) D_MODE  D_MODE (D terminal detect mode) 2 When I C BUS sets D_MODE=ON, POWER DOWN is controlled by D_DET pin input level and the PD pin input is ignore. D_MODE OFF PD 0 0 1 1 D_DET L H L H L H L H Output Normal Normal Power down Power down Normal Power down Normal Power down ON 0 0 1 1 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 11/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● I2C BUS Format (READ MODE) S SLAVE ADDRESS A DATA1 NA P Technical Note S: Start Condition b7 1 0 b6 1 0 A: Acknowledge b5 0 0 b4 1 0 NA: No Acknowledge P: Stop Condition b3 1 0 b2 0 0 b1 ADR 0 b0 R/W D_DET Slave address DATA ● Select Input Switch・ Setting Mode Explanation Slave Address (read mode) set by ADR 0: “D9H”, when ADR is LOW. 1: “DBH”, when ADR is High. READ/WRITE setting mode 0: WRITE 1: READ Explanation D_DET Read out D_DET condition 0: LOW 1: HI ADR R/W ■ BH7600AFS Sync-mix operation On BH7600AFS, it is necessary to operate sync-mix Y signal and control signal synchronized with the Y signal (SYNC1, SYNC2). Use this control signal, (1) When the Y signal which has no sync is inputted, it is outputted with a sync. (2) When the Y signal which has sync is inputted, it is possible to output as that. Then, please refer to show how to use SYNC1, SYNC2 palse. (1) When the Y signal which has no sync is inputted ( i ) 3 value sync mix ( ii ) 2 value sync mix YIN SYNC1 SYNC2 YIN SYNC1 SYNC2 YOUT Pedestal Level YOUT Pedestal Level (2) When the Y signal which has a sync is inputted YIN SYNC1 SYNC2 (HIGH fix) YOUT Pedestal Clamp Pedestal Clamp www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 12/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● ■ Operation description of each block BH7602FS How to set video input level in DC_SHFT circuit Technical Note BH7602FS is build in DC_Shift block and it operate without input coupling capacitor. It is necessary to set input voltage of VREF (7pin) terminal to VIDEO signal input level because of enough output dynamic range. V_IN (Y, PB, PR_IN) + f f=2(VREF-0.4)-0.7 V_OUT (Y, PB, PR_OUT) VREF Fig. 4 DC_Shift block equivalent circuit The relation of V_IN, VREF, V_OUT in this place V_OUT=0.7+2(V_IN-VREF+0.4) (eq.1) and the input possible range of VREF is 0.4≦VREF≦1.4 [V] (eq.2) It shows the relation of V_IN-V_OUT at each VREF value on Fig.6. On the other hand, the operation range of V_OUT (VIDEO OUTPUT) becomes 0.7V~3.3V (2.6Vp-p) of the circuit composition, and needs to adjust VREF terminal voltage to be kept this range for inputted VIDEO signal. VREF terminal voltage and V_IN input possible range are shown in Fig.5. Caution on use, after confirming Fig.5, adjust VREF terminal voltage. Fig. 5 The relation of VREF terminal voltage and input possible range VREF [V] 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. V_IN input possible range [V] 0.0~1.3 V_OUT [V] 4 V_IN =1.8V 3.3V 3 Output Operation Range Vref = 0.4V Vref = 0.9V Vref = 1.4V 0.1~1.4 0.2~1.5 0.3~1.6 0.4~1.7 0.5~1.8 0.6~1.9 0.7~2.0 0.8~2.1 0.9~2.2 1.0~2.3 2 V_IN =0.5V 0.7V 1 0 0 1 V_IN [V] 2 3 Fig. 6 The relation of V_IN-V_OUT at each VREF value (measurement value) 13/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Application circuit  BH7600AFS This terminal is input terminal of control pulse synchronized Y signal Refer to 12/16 page for the way of use Technical Note D Terminal 1uF Y Signal 5V 3.3V + 1 YIN PEDESTAL CLAMP SYNC MIX YGND VIDEO DRIVER 24 + 5V 0.1u I C-BUS 1k SCL 1k SDA 2 47u + 2 YVCC 3 4 5 SCL SDA SYNC1 SYNC SYNC2 AVCC MUTE PBVCC PBIN PRVCC PRIN PEDESTAL CLAMP PEDESTAL CLAMP CONTROL I 2C-BUS CONTROL MUTE YOUT DVCC LINE1 LINE2 LINE3 DET DAGND VIDEO DRIVER 23 22 21 20 19 18 17 470u 75 1 Y 0.1u + 47u 8 LINE1 OUTPUT LINE2 OUTPUT LINE3 OUTPUT DET LINE1 8.2k 100k 9 LINE2 SYNC CONTROL 8.2k 100k 11 LINE3 6 5V 8.2k 100k 3.3V + 7 8 47u VCC or OPEN 0.1u 100k 14 SW MUTE VIDEO DRIVER 5V 47u PB Signal 5V 0.1u + 1uF 10 11 MUTE VIDEO DRIVER PBGND PROUT PRGND 15 + 14 13 470u 75 5 47u PR Signal + 0.1u + 1uF 12 MUTE Fig. 7  BH7602FS Input is DC_Shift can connect directly from DAC. Refer to 13/16 page for the way of use. DAC OUTPUT VIDEO DRIVER Y DAC 1 YIN DC_SHIFT LPF1 LPF2 MUTE 6dB Y_OUT 20 220u + 2 TEST TEST N.C 19 Pb DAC 3 PB_IN DC_SHIFT LPF1 LPF2 MUTE VIDEO DRIVER P_VCC 18 0.1u + 47u 0.1u 4 S_VCC 6dB PB_OUT 17 220u + Pr DAC 5 PR_IN DC_SHIFT LPF1 LPF2 MUTE VIDEO DRIVER P_GND 16 6 S_GND 6dB PR_OUT 15 220u + + 22u 7 VREF D-Connector Detect D_DET 14 I 2C-BUS 8 ADR H M L H L LINE1_OUT 13 9.1k SCL 9 SCL IIC-BUS Control LINE2_OUT 12 9.1k SDA 10 SDA H M L LINE3_OUT 11 9.1k This is standard voltage terminal to decide input range of DC-Shift circuit. Refer to 13/16 page for the way of use Fig. 8 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 14/16 + 75 75 + 9 PBOUT 16 470u 75 3 Pb Pr D Connecter 1 Y + 47u 75 75 3 Pb 75 75 5 Pr 14 SW 8 LINE1 9 LINE2 11 LINE3 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Reference Data BH7600AFS 40 2 2 Technical Note SUPPLY CURRENT:ICC[mA] DIFFERENTIAL GAIN:DG[%] 35 30 25 20 15 10 5 0 -25 0 25 50 75 DIFFERENTIAL PHASE:DP[deg 1.5 1.5 1 1 0.5 0.5 0 -25 0 25 50 75 0 -25 0 25 50 75 TEMPERATURE [℃] TEMPERATURE [℃] TEMPERATURE [℃] Fig.9 Circuit Current BH7601FS 40 Fig.10 Differential Gain Fig.11Differential Phase 2 2 SUPPLY CURRENT:ICC[mA] DIFFERENTIAL GAIN:DG[%] 35 30 25 20 15 10 5 0 -25 0 25 50 75 DIFFERENTIAL PHASE:DP[deg -25 0 25 50 75 1.5 1.5 1 1 0.5 0.5 0 0 -25 0 25 50 75 TEMPERATURE [℃] TEMPERATURE [℃] TEMPERATURE [℃] Fig.12 Circuit Current BH7602FS 70 65 60 55 50 45 40 -25 0 25 50 75 Fig.13 Differential Gain 2 Fig.14 Differential Phase 2 1.5 DIFFERENTIAL PHASE:DP [deg] SUPPLY CURRENT:ICC[mA] DIFFERENTIAL GAIN:DG[%] 1.5 1 1 0.5 0.5 0 -25 0 25 50 75 0 -25 0 25 50 75 TEMPERATURE[℃] TEMPERATURE [℃] TEMPERATURE[℃] Fig.15 Circuit Current -50 -55 -60 20 10 0 Fig.16 Differential Gain D3・D4 Fig.17 Differential Phase 20 10 0 D3・D4 GAIN[dB] S/N[dB] -10 GAIN[dB] -10 -65 -70 -75 D1・D2 -20 -30 -40 -50 D1・D2 -20 -30 -40 -50 -60 -80 -25 0 25 50 75 -60 0.1 1 10 100 0.1 1 10 100 TEMPERATURE[℃] FREQUENCY[MHz] FREQUENCY [MHz] Fig.18 S/N Fig.19 YLPF Characteristics Fig.20 PBLPF Characteristics www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 15/16 2009.03 - Rev.A BH7600AFS, BH7601FS, BH7602FS ● Selection of order type Technical Note B H 7 6 0 Type 0 A F S - E 2 Package, forming specifications BH7600AFS , BH7601FS , BH7602FS SSOP-A24
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