BH7659S / BH7659FS Multimedia ICs Input selector for high resolution displays BH7659S / BH7659FS The BH7659S / BH7659FS are input signal switching ICs developed for high resolution displays that have three fc = 250MHz wide-band video switching circuits for RGB video signal switching and four CMOS analog switching circuits for switching between HD and VD signals as well as I2C bus signals (SDA and SCL). zApplications High-resolution displays and high-definition TVs zFeatures 1) Operates with a 5V power supply voltage. 2) Built-in, wide-band switching circuit for RGB switching (fc = 250MHz). 3) SDA and SCL as well as HD and VD signal switching is possible. 4) Built-in power save function. zAbsolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Symbol Limits Unit 8.0 V VCC 1300∗1 (SDIP32) Pd 800∗2 (SSOP−A32) mW Operating temperature Topr – 25 ~ + 75 °C Storage temperature Tstg – 55 ~ + 125 °C ∗1 Reduced by 13mW for each increase in Ta of 1˚C over 25˚C. ∗2 Reduced by 8.0mW for each increase in Ta of 1˚C over 25 ˚C. zRecommended operating conditions (Ta = 25°C) Parameter Symbol Min. Typ. Max. Unit Operating power supply voltage VCC 4.5 5.0 5.5 V Not designed for radiation resistance. BH7659S / BH7659FS Multimedia ICs zBlock diagram RINA 1 RGND 2 GINA 3 GGND 4 BINA 5 BGND 6 32 RVCC 31 ROUT 30 GVCC 29 GOUT 28 BVCC 27 BOUT 26 HDOUT 25 HDINA 24 HDINB 23 SCLIO 22 SCLIOA 21 N.C. 20 SCLIOB 19 SDAIOA 18 SDAIOB 17 SDAIO A R B A G B A B B RINB 7 PSH 8 GINB 9 VDD 10 BINB 11 N.C. 12 CTL 13 VDINA 14 VDINB 15 VDOUT 16 POWER SAVE A B A B CTL A B A B BH7659S / BH7659FS Multimedia ICs zInput / Output equivalent circuits Pin No. Pin description (pin name) Reference potential Function Input / output circuit VCC 1 3 5 7 9 11 Red signal input A (RINA) Green signal input A (GINA) Blue signal input A (BINA) Red signal input B (RINB) Green signal input B (GINB) Blue signal input B (BINB) 3.5V when selected Switches between the two RGB signaling systems. 3.7V 0V when not selected8 Input B is selected by setting the CTL pin to high and input A to low. 10k 2k VCC 27 Blue signal output (BOUT) 29 Green signal output (GOUT) 31 Red signal output (ROUT) Power save activates by setting the PSH pin to high. 1.85V 500 2k VCC 8 Power save input (PSH) 9 Control input (CTL) 3.25V PSH Power save off ≤ 1.5V Power save on ≥ 3.5V CTL Input A ≥ 3.5V Input B ≤ 1.5V 0V 50k BH7659S / BH7659FS Multimedia ICs Pin No. 14 15 16 17 18 19 20 22 24 25 26 27 Pin description (pin name) Reference potential Input / output circuit Function VD signal input A (VDINA) VD signal input B (VDINB) VD signal output (VDOUT) SDA signal I / O (SDAIO) SDA signal I / O B (SDAIOB) SDA signal I / O A (SDAIOA) VDD IN OUT 0V Switches between the two VD, HD, SDA, and SCL signaling systems. Input B is selected by setting the CTL pin to high and input A to low. SCL signal I / O B (SCLIOB) SCL signal I / O A (SCLIOA) SCL signal I / O (SCLIO) Bi-directional I / O is possible with CMOS analog switch HD signal input B (HDINB) HD signal input A (HDINA) HD signal output (HDOUT) 2 Red ground (RGND) 0V — Red video SW block GND 4 Green ground (GGND) 0V — Green video SW block GND 6 Blue ground (BGND) 0V — Blue video SW block and CMOS SW block GND 10 CMOS power supply voltage (VDD) 5V — CMOS SW block VDD 28 Blue power supply voltage (BVCC) 5V — Blue video SW block VCC 30 Green power supply voltage (GVCC) 5V — Green video SW block VCC 32 Red power supply voltage (RVCC) 5V — Red video SW block VCC BH7659S / BH7659FS Multimedia ICs zElectrical characteristics (unless otherwise noted, VCC=5.0V, Ta = 25°C) Parameter Symbol Min. Typ. Max. Unit Conditions Circuit current ICC 15 25 35 mA — Circuit current during power save IPSV 7 14 22 mA PS = “H” 〈Overall device〉 〈R, G, and B video switches〉 GV – 1.0 – 0.5 0 dB f = 10MHz Interchannel relative gain ∆GVC – 0.5 0 0.5 dB f = 10MHz Interblock relative gain ∆GVB – 0.5 0 0.5 dB f = 10MHz Output dynamic range VOM 2.6 — — VP-P f = 1kHz Voltage gain 〈CMOS analog switch〉 RON — 200 400 Ω VIN = 2.5V ∆RON — 20 40 Ω VIN = 2.5V CT — – 70 – 55 dB f = 150kHz tD — 20 — ns RL = 10Ω, CL = 50pF High level voltage VH 3.5 — — V — Low level voltage VL — — 1.5 V — Conditions On-resistance Interchannel on-resistance difference Interchannel crosstalk Transmission delay time 〈Control block〉 zGuaranteed design parameters (unless otherwise noted, VCC=5.0V, Ta = 25°C) Parameter Symbol Min. Typ. Max. Unit Frequency characteristics 1 f1 – 3.0 0 + 1.0 dB f = 50MHz Frequency characteristics 2 f2 – 6.0 –3 – 1.0 dB f = 250MHz Interchannel relative frequency characteristics ∆fC – 0.5 0 0.5 dB f = 50MHz Interblock relative frequency characteristics ∆fB – 0.5 0 0.5 dB f = 50MHz Interchannel crosstalk 1 CTC1 — – 50 – 35 dB f = 50MHz Interchannel crosstalk 2 CTC2 — – 30 – 15 dB f = 250MHz Interblock crosstalk 1 CTB1 — – 50 – 35 dB f = 50MHz Interblock crosstalk 2 CTB2 — – 30 – 15 dB f = 250MHz 〈R, G, and B video switches〉 BH7659S / BH7659FS Multimedia ICs zMeasurement circuit 1 VCC 1 + SW1 32 C2 2 C2 C1 2 31 3 30 V AM + C1 1 + SW3 + C1 1 C2 C2 C1 4 29 5 28 C1 = 0.01µF C2 = 47µF C3 = 50pF R1 = 75Ω R2 = 10kΩ V1 = 1.5V V2 = 3.5V V 2 C1 1 R1 + SW5 + C2 2 C2 C1 6 27 7 26 V OSC1 3 SW23 + SW7 C3 V C1 1 2 R V C2 2 OSC 2 1 2.5V V1 8 25 OSC 2 1 2.5V C1 SW24 9 + SW9 V3 2 SW8 2 1 3 R1 + 1 V2 SW25 C2 C1 3 R1 24 V3 2 1 + C2 2 C2 C3 SW23 23 2 R V + 10 C2 OSC 2 1 2.5V C1 SW22 1 11 + SW11 3 V C1 3 R1 22 V3 2 2 1 N. C. 12 21 + C2 C2 N. C. OSC 2 2.5V V2 2.5V 1 V3 2 SW13 2 1 2 V3 3 R1 20 2.5V C1 R1 3 SW14 14 OSC 2 C2 SW19 19 OSC 2 1 2.5V SW18 15 + V3 2 1 1 2 16 V OSC 2 2 C2 C1 1 R2 17 SW16 3 2 1 C3 C3 SW17 R V R1 3 SW15 C1 3 R1 18 V 2.5V C2 V C1 V3 V3 2 OSC 2 C2 3 R1 + + C2 SW20 13 + 1 V1 C1 + A 3 Fig.1 BH7659S / BH7659FS Multimedia ICs zMeasurement circuit 2 VCC AM R1 1 32 C2 C2 C1 2 31 V OSC + C1 + Ro 3 + R1 30 C2 C2 C1 4 29 V OSC + C1 Ro C1 5 + R1 28 C2 C2 C1 6 27 V OSC + A Ro C1 7 26 8 25 + 9 24 + 10 23 + 11 22 12 21 13 20 14 19 15 18 16 17 + OSC R1 C2 C1 OSC R1 C2 C1 C2 C1 OSC R1 C2 N. C. VCC IN: A 1 IN: B CTL Fig.2 N. C. C1 = 0.01µF C2 = 47µF R1 = 50Ω Ro = 130Ω BH7659S / BH7659FS Multimedia ICs zMeasurement conditions <Overall device> measurement circuit 1 Switch conditions Parameter Notes 8 Others Circuit current 1 1 (1) Circuit during power save 2 1 (2) <R, G, and B video switches> measurement circuit 2 Input pin: (OSC) Parameter 1 Voltage gain (GV) RinA Switch conditions 7 3 9 5 11 CTL — — — — — IN: A — — — — IN: B — — — IN: A — — IN: B — IN: A Output dynamic range RinB — (VOM) GinA — — Frequency characteristics 1 (f1) GinB — — — BinA — — — — Frequency characteristics 2 (f2) BinB — — — — — Interchannel RinA→B — — — — crosstalk 1 RinB→A — — — — (CTC1) GinA→B — — — Interchannel GinB→A — — — crosstalk 2 BinA→B — — — — (CTC2) BinB→A — — — — — Interblock G→RinA — — — — crosstalk 1 B→RinA — — — — (CTB1) R→GinA — — — Interblock B→GinA — — — crosstalk 2 R→BinA — — — — (CTB2) G→BinA — — — — — Notes (3) (6) (7) IN: B (8) — IN: B (11) — IN: A — — IN: B — — IN: A — IN: B — (12) IN: A — IN: A — IN: A — IN: A — IN: A — IN: A — IN: A (13) (14) Interchannel relative gain: ∆GVC (4) Interblock relative gain: ∆GVB (5) Interchannel relative frequency characteristics: ∆fC (9) Interblock relative frequency characteristics: ∆fB (10) BH7659S / BH7659FS Multimedia ICs <C-ROM analog switch> measurement circuit 1 Switch conditions Parameter Notes 13 14 15 16 17 18 19 20 22 23 24 25 26 others On-resistance VDinA 1 2 1 2 1 1 1 1 1 1 1 1 1 1 (RON) VDinB 2 1 2 2 1 1 1 1 1 1 1 1 1 1 SDinA 1 1 1 1 2 1 2 1 1 1 1 1 1 1 SDinB 2 1 1 1 2 2 1 1 1 1 1 1 1 1 SCinA 1 1 1 1 1 1 1 1 2 2 1 1 1 1 SCinB 2 1 1 1 1 1 1 2 1 2 1 1 1 1 HDinA 1 1 1 1 1 1 1 1 1 1 1 2 2 1 HDinB 2 1 1 1 1 1 1 1 1 1 2 1 2 1 Interchannel VDinA→B 1 3 1 1 1 1 1 1 1 1 1 1 1 1 crosstalk VDinB→A 2 1 3 1 1 1 1 1 1 1 1 1 1 1 (CT) SDinA→B 1 1 1 1 1 1 3 1 1 1 1 1 1 1 SDinB→A 2 1 1 1 1 3 1 1 1 1 1 1 1 1 SCinA→B 1 1 1 1 1 1 1 1 3 1 1 1 1 1 SCinB→A 2 1 1 1 1 1 1 3 1 1 1 1 1 1 HDinA→B 1 1 1 1 1 1 1 1 1 1 1 3 1 1 HDinB→A 2 1 1 1 1 1 1 1 1 1 3 1 1 1 Transmission delay VDinA 1 3 1 3 1 1 1 1 1 1 1 1 1 1 time (tD) VDinB 2 1 3 3 1 1 1 1 1 1 1 1 1 1 SDinA 1 1 1 1 3 1 3 1 1 1 1 1 1 1 SDinB 2 1 1 1 3 3 1 1 1 1 1 1 1 1 SCinA 1 1 1 1 1 1 1 1 3 3 1 1 1 1 SCinB 2 1 1 1 1 1 1 3 1 3 1 1 1 1 HDinA 1 1 1 1 1 1 1 1 1 1 1 3 3 1 HDinB 2 1 1 1 1 1 1 1 1 1 3 1 3 1 Interchannel on-resistance difference (∆RON) (15) (17) (18) (16) Notes: (1) Circuit current : Icc ; measurement of the circuit current. (2) Circuit current during power save : IPSV ; measurement of the circuit current during power save. (3) Voltage gain : GV VIN = 1.0VP-P, f = 10MHz sine wave input from the OSC GV = 20log (VOUT / VIN) [ dB ] (4) Interchannel relative gain : ✁GVC ✁GVC = GVRa – GVRb, GVGa – GVGb, GVBa – GVBb [ dB ] (5) Interblock relative gain : ✁GVB ✁GVBR= GVRa – GVGa, GVRa – GVGb, GVRa – GVBa, GVRa – GVBb [ dB ] ✁GVBG = GVGa – GVRa, GVGa – GVRb, GVGa – GVBa, GVGa – GVBb [ dB ] ✁GVBB = GVBa – GVRa, GVBa – GVRb, GVBa – GVGa, GVBa – GVBb [ dB ] (6) Output dynamic range : VOM Connect a distortion meter to the output. After adding a f = 1kHz sine wave input from the OSC, adjust the input level so that the output distortion is 1.0%. The output voltage at that time is VOM [VP-P]. (7) Frequency characteristics 1 : f1 Apply to the input pin a VIN = 1.0VP-P, f = 10MHz and 50MHz sine wave input from the OSC. f1 = GV (50MHz) – GV (10MHz) [ dB ] BH7659S / BH7659FS Multimedia ICs (8) Frequency characteristics 2 : f2 Apply to the input pin a VIN = 1.0VP-P, f = 10MHz and 250MHz sine wave input from the OSC. f2 = GV (250MHz) – GV (10MHz) [ dB ] (9) Interchannel relative frequency characteristics : ✁fc ✁fc = f1 (INA) – f1 (INB) [ dB ] (10) Interblock relative frequency characteristics : ✁fb ✁fb = f1 (RINA) – f1 (GINA), f1 (GINA) – f1 (BINA), f1 (BINA) – f1 (RINA) [ dB ] = f1 (RINB) – f1 (GINB), f1 (GINB) – f1 (BINB), f1 (BINB) – f1 (RINB) [ dB ] (11) Interchannel crosstalk 1 : CTC1 Apply to the input pin a VIN = 1.0VP-P, f = 50MHz sine wave input from the OSC. CTC1 = 20log (VOUT / VIN) [ dB ] (12) Interchannel crosstalk 2 : CTC2 Apply to the input pin a VIN = 1.0VP-P, f = 250MHz sine wave input from the OSC. CTC2 = 20log (VOUT / VIN) [ dB ] (13) Interblock crosstalk 1 : CTBB1 Apply to the input pin a VIN = 1.0VP-P, f = 50MHz sine wave input from the OSC. CTB1 = 20log (VOUT / VIN) [ dB ] (14) Interblock crosstalk 2 : CTB2 Apply to the input pin a VIN = 1.0VP-P, f = 250MHz sine wave input from the OSC. CTB2 = 20log (VOUT / VIN) [ dB ] (15) On-resistance : RON ✁RON = (VOUT / VIN – 1) × 104 [ Ω ] (16) Interchannel on-resistance difference : ✁RON ✁RON = RON (INA) – RON (INB) (17) Interchannel crosstalk : CT Apply to the input pin a VIN = 1.0VP-P, f = 150MHz sine wave input from the OSC2. CT = 20log (VOUT / VIN) [ dB ] (18) Transmission delay time : tD Apply to the input pin the rectangular wave of P1 from the OSC2. 20ns 100ns VCC f = 150kHz Input: P1 50% 0V Output 50% tD BH7659S / BH7659FS Multimedia ICs zApplication example Input A VCC C1 + R VCC R2 32 1 C2 + A R1 G 31 R 2 B C2 C1 Ro VCC C1 VD 5. 1 30 3 C2 + R1 SDA R4 VCC R2 + R4 R OUT B A C2 C1 5. 1 29 G 4 G OUT Ro SCA VCC C1 R4 5. 1 + 28 5 + R1 R4 VCC R2 C2 HD B A 5. 1 C1 Input B HD OUT 26 7 C2 R3 R1 G R4 PS:H B R1 C2 24 R2 R3 SCL IO 5. 1 C1 SCA R4 B 9 VCC R4 R3 + 5. 1 SDA 25 VCC VD R4 A POWER SAVE 8 C3 C1 B OUT B R2 + R Ro VCC C1 C2 27 B 6 23 10 + R3 C2 C1 5. 1 VCC R2 A 22 11 C2 HD R3 R1 R4 5. 1 12 CTL IN A: H IN B: L N. C. N. C. R4 21 B 13 CTL 20 R3 C3 A R3 A 19 14 R3 B R3 15 B 18 R3 VD OUT SDA IO R3 16 17 R3 Note: The Ro value differs depending on the load capacitance. Set so that the frequency characteristics are flat. R1 = 75Ω C1 = 0.01µF R2 = 47Ω C1 = 47µF R3 = 100Ω C1 = 0.1µF R4 = 1.2kΩ Fig.3 BH7659S / BH7659FS Multimedia ICs zExternal dimensions (Units : mm) BH7659S BH7659FS 28.0 ± 0.3 13.6 ± 0.2 17 17 1 16 0.15 ± 0.1 7.8 ± 0.3 16 0.51Min. 1.8 ± 0.1 10.16 0.3 ± 0.1 0.11 3.2 ± 0.2 4.7 ± 0.3 1 32 5.4 ± 0.2 8.4 ± 0.3 32 0.8 0.36 ± 0.1 0.3Min. 0.15 0.5 ± 0.1 0 ~ 15 1.778 SDIP32 SSOP−A32