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PDF BH7865FS Data sheet ( Hoja de datos )
| Número de pieza | BH7865FS | |
| Descripción | High Performance 5-Channel Video Driver IC | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Multimedia ICs
BH7865FS
High-performance 5-channel video driver
IC for DVD
BH7865FS
BH7865FS is a 5-channel video driver IC developed for DVD player/recorder. Special filters adjusted to each band of
various video signals are incorporated into a single chip. Extended definition, size reduction, and high cost performance
can be achieved in DVD players.
zApplication
DVD players, DVD recorders
zFeatures
1) Each high-performance filter, 6dB amplifier, and 75Ω driver for DVD are incorporated into a single chip.
2) Driver 5ch (Y, C, MIX, Cb, Cr)
3) Group delay difference between chroma signal and luminance signal is a small number of nsec.
4) Drive 2 lines of each signal
5) Operating by 5V single power supply
www.DataSheet4U.com6) Built-inmutecircuit
zAbsolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Impressed voltage
VCC max
Power dissipation
Pd
Operating temperature range
Topr
Storage temperature range
Tstg
∗ Reduced by 7.6mW for each increase in Ta of 1°C over 25°C.
PCB (70mm×70mm, t=1.6mm) glass epoxy mounting.
Limits
6.0
0.95∗
−10 to +70
−55 to +150
Unit
V
W
°C
°C
zRecommended operating conditions (Ta = 25°C)
Parameter
Symbol Min. Typ.
Power supply voltage
VCC 4.5 −
Radiation resistance is not included in the design.
Parameter
Symbol
Min.
Typ.
Power supply voltage
VCC 4.5 −
Radiation resistance is not included in the design.
Max.
5.5
Max.
5.5
Unit
V
Unit
V
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1 page  
Multimedia ICs
BH7865FS
zElectrical characteristics (unless otherwise noted, Ta=25°C, VCC=5.0V)
(∗The standard values (typical values) below are design value for your reference.)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Circuit current 5CH ACTIVE
3CH ACTIVE
MUTE
ICC1
ICC2
ICC3
− 65 97.5 mA No signal MUTE : OFF, SEL : ON
− 50 75 mA No signal MUTE : OFF, SEL : OFF
− 15 22.5 mA No signal MUTE : ON, SEL : OFF
Maximum output level
VOM
2.6 3.0
−
VPP
CIN : f=3.58MHz,
YIN, CbIN, CrIN : f=1MHz
Frequency C
characteristics1 MIX1
MIX2
Y
Cb
Cr
Frequency C
characteristics2 MIX1
MIX2
Y
Cb
Cr
MUTE attenuation
Input impedance
MUTE holding voltage
SEL holding voltage
Voltage gain
C
MIX(C)
MIX(Y)
Y
Cb
Cr
Group delay Y⇔C
characteristics
GFC
−1.5
0
+1.5
dB CIN : f=1.5/3.58MHz, 6/3.58MHz, 1VPP
GFMIX1
−1.5
0
+1.5
dB CIN : f=1.5/3.58MHz, 6/3.58MHz, 1VPP
GFMIX2
−1.5
0
+1.5
dB YIN : f=6/1MHz, 1VPP
GFY
−1.5
0
+1.5
dB YIN : f=6/1MHz, 1VPP
GFCb
−1.5
0
+1.5
dB CbIN : f=3/1MHz, 1VPP
GFCr
−1.5
0
+1.5
dB CrIN : f=3/1MHz, 1VPP
GFCATT − −40 −
dB CIN : f=27/3.58MHz, 1VPP
GFMIX1ATT
−
−40
−
dB CIN : f=27/3.58MHz, 1VPP
GFMIX2ATT
−
−40
−
dB YIN : f=27/1MHz, 1VPP
GFYATT − −40 −
dB YIN : f=27/1MHz, 1VPP
GFCbATT
−
−40
−
dB CbIN : f=13.5/1MHz, 1VPP
GFCrATT − −40 −
dB CrIN : f=13.5/1MHz, 1VPP
MT
− −50 −
dB
CIN : f=3.58MHz, 1VPP
YIN, CbIN, CrIN : f=1MHz, 1VPP
ZIN 16 20 24 kΩ CIN, CbIN, CrIN input terminal
VTHMH
4.0
−
VCC
V MUTE OFF
VTHML
GND
−
1.0
V MUTE ON
VTHSH
4.0
−
VCC
V SEL ON (C, Cb, Cr)
VTHSL
GND
−
1.0
V SEL OFF (C)
GVC 5.3 6.0 6.7 dB CIN : f=3.58MHz, 1VPP
GVMIXC
5.3
6.0
6.7
dB CIN : f=3.58MHz, 1VPP
GVMIXY
5.3
6.0
6.7
dB YIN : f=1MHz, 1VPP
GVY 5.3 6.0 6.7 dB YIN : f=1MHz, 1VPP
GVcb
5.3 6.0 6.7 dB CbIN : f=1MHz, 1VPP
GVcr 5.3 6.0 6.7 dB CrIN : f=1MHz, 1VPP
CIN : f=3.58MHz, YIN : f=1MHz,
∆GD1 − 5.0 − nsec VIN=1VPP
GD difference between Y and C
∗1
∗2
Y⇔Cb(Cr)
∆GD2
−
5.0
−
nsec
YIN, CbIN (CrIN) : f=1MHz, VIN=1VPP
GD difference between Y and Cb (Cr)
Diffrential gain
Diffrential phase
Crosstalk between
channels
C⇔Y
DG
− 1.0 −
% 1VPP standard staircase signal
DP − 0.5 − deg 1VPP standard staircase signal
CT1
− −50 −
dB
YIN : f=1MHz, 1VPP
CIN : f=3.58MHz, 1VPP
Cb(Cr)⇔Y
CT2
− −50 −
dB
YIN : f=1MHz, 1VPP
Cb(Cr) : f=1MHz, 1VPP
C/N
VN
− −75 −
dB 100% white video signal
∗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, CbIN and CrIN. Then, the input impedance ZIN is as
follows : ZIN=|VIN50−VIN| / 50µ [kΩ]
5/8
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| PDF Descargar | [ Datasheet BH7865FS.PDF ] | |
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