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BH7862FS Datasheet(PDF) 6 Page - Rohm |
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BH7862FS Datasheet(HTML) 6 Page - Rohm |
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6 / 9 page  BH7862FS Multimedia ICs 6/9 ! ! ! ! Electrical characteristics (unless otherwise noted, Ta=25 °C, VCC=5.0V) ( ∗The standard values (Typical values) below are design value for your reference.) Parameter Conditions Circuit current 1 Circuit current 2 Maximum output level Frequency characteristics 1 Frequency characteristics 2 Group delay characteristics Differential gain Differential phase Crosstalk between channels C/N MUTE attenuation Input impedance MUTE holding voltage 6CH ACTIVE MUTE C MIX1 MIX2 Y PY Pb Pr C MIX1 MIX2 Y PY Pb Pr Y ⇔C C ⇔Y PY ⇔Pb(Pr) Pb ⇔Pr Pb(Pr) ⇔PY No signal MUTE : OFF No signal MUTE : ON CIN : f =3.58MHz, YIN, PYIN, PbIN, PrIN : f =1MHz Output tertiary distortion : −30dB CIN : f =3.58MHz, 1VPP YIN, PYIN, PbIN, PrIN : f =1MHz, 1VPP CIN, PbIN, PrIN input terminal CIN : f =1.5/3.58MHz, 6/3.58MHz, 1VPP CIN : f =27/3.58MHz, 1VPP CIN : f =1.5/3.58MHz, 6/3.58MHz, 1VPP YIN : f =6/1MHz, 1VPP YIN : f =6/1MHz, 1VPP PYIN : f =12/1MHz, 1VPP PbIN : f =6/1MHz, 1VPP CIN : f =27/3.58MHz, 1VPP YIN : f =27/1MHz, 1VPP YIN : f =27/1MHz, 1VPP PYIN : f =54/1MHz, 1VPP PbIN : f =27/1MHz, 1VPP PrIN : f =27/1MHz, 1VPP YIN : f =1MHz, 1VPP CIN : f =3.58MHz, 1VPP Symbol ICC1 ICC2 VOM VT1HH VT1HL GFC GFMIX1 GFMIX2 GFY GFPb GFPY GFPr GFCATT GFMIX1ATT GFMIX2ATT GFYATT GFPYATT GFPbATT GFPrATT DG DP CT1 ∆GD1 ∆GD2 MT ZIN CT3 VN Pb(Pr) : f =1MHz, 1VPP PYIN : f =1MHz, 1VPP Pb(Pr) : f =1MHz, 1VPP YIN : f =1MHz, VIN=1VPP CIN : f =3.58MHz, VIN=1VPP GD difference between Y and C PYIN : f =1MHz, VIN=1VPP PbIN(PrIN) : f =1MHz, VIN=1VPP GD difference between PY and Pb (Pr) 1 VPP standard staircase signal 1 VPP standard staircase signal 100% white video signal MUTE OFF MUTE ON Typ. 17 3.0 0 20 90 0 0 0 0 0 −40 −40 −40 −40 −20 −20 −50 −50 −60 −75 5.0 5.0 1.0 0.5 − − Min. − − 2.6 16 −2.0 −2.0 −2.0 −2.0 −2.0 −2.0 − − − − − − − − − − − − − − 4.0 GND Max. − 2.0 25 110 2.0 2.0 2.0 2.0 2.0 0 −2.0 2.0 24 − − − − −40 −− − − − − − − CT2 −60 −− − − − − VCC 1.0 Unit mA mA VPP dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB Voltage gain C MIX(C) MIX(Y) Y PY Pb Pr CIN : f =3.58MHz, 1VPP GVC GVMIXC GVMIXY GVY GVPb GVPY GVPr CIN : f =3.58MHz, 1VPP YIN : f =1MHz, 1VPP YIN : f =1MHz, 1VPP PYIN : f =1MHz, 1VPP PbIN : f =1MHz, 1VPP PrIN : f =1MHz, 1VPP 6.0 6.0 6.0 6.0 6.0 6.0 6.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 dB dB dB dB dB dB dB ns ns % deg k Ω V V PrIN : f =6/1MHz, 1VPP ∗1 Add the sine wave of "f=1MHz (C : f=3.58MHz)" to the input. VIN and adjust the input level so that the tertiary distortion of output can be -30dB. Then, the output voltage shall be a maximum output level VOM (VPP). ∗2 Measure the input voltage VIN50 (V) and input open circuit voltage VIN (V) when 50µA has applied to the input CIN, PbIN and PrIN. Then, the input impedance ZIN is as follows : ZIN=|VIN50 −VIN| / 50µ [kΩ] ∗1 ∗2 |
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