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BH7634AS 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BH7634AS은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 BH7634AS 자료 제공

부품번호 BH7634AS 기능
기능 Audio / video switch for CANAL - Plus decoder
제조업체 ROHM Semiconductor
로고 ROHM Semiconductor 로고


BH7634AS 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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BH7634AS 데이터시트, 핀배열, 회로
Multimedia ICs
Audio / video switch for CANAL - Plus
decoder
BH7634AS
The BH7634AS is one-chip IC that contains audio and video switches that support 21-pin SECAM and PAL connec-
tors.
The I2C BUS for switch control simplifies applications, while the two expansion ports allow up to two external inputs.
Applications
VCRs
Features
1) I2C BUS control.
2) Video input is sync tip clamped, and includes a
small-capacity (0.022µF) input capacitor.
3) Three FSCOUT values.
4) Two expansion ports.
5) Audio mute function.
6) 75driver output (pins 20 and 23) requires no
attached capacitor.
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Power supply voltage
Power dissipation
VCC 13.5
Pd 1200
Operating temperature
Topr
– 25 ~ + 60
Storage temperature
Tstg
– 55 ~ + 125
Reduce by 12mW for each increase in Ta of 1°C over 25°C.
Unit
V
mW
°C
°C
Recommended operating conditions (Ta = 25°C)
Parameter
Symbol Min. Typ. Max.
Operating power supply voltage
VCC
8.5 12
13
Unit
V
1




BH7634AS pdf, 반도체, 판매, 대치품
Multimedia ICs
BH7634AS
Pin descriptions and input output equivalent circuits
Pin No. Pin name IN
OUT
Typ.
voltage
I / O equivalent circuits
1 VDECIN
3 VTUNIN
— 1.6V
5 VEXTIN
24 VVTRIN
1k
50µA
Pin description
Video signal input
For composite video signal
input (sink chip clamp input).
2 DRVGND
——
6 GND
0V
DRVGND
GND
Ground
DRVGND is the driver
ground. GND is the ground
for the circuit itself. GND and
DRVGND are not connected
internally.
4 DRVVCC
——
19 VCC
12V
DRVVCC
VCC
Power supply
DRVVCC is the driver
power supply. VCC is the
power supply for the circuit
itself. VCC and DRVVCC
are not connected internally.
7 ADECIN
9 AEXTIN
— 5.3V
11 ATUNIN
18 AVTRIN
8 FSCOUT —
Audio signal input
50µA
For audio signal input.
1k Input impedance is 50k.
50k
12V 6V FS control
Three voltages are output
via I2C BUS control: 11.8V,
5.9V, 0.2V.
50k
4

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BH7634AS 전자부품, 판매, 대치품
Multimedia ICs
BH7634AS
Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 12V)
Parameter
Device
Supply current
FSCOUT voltage, H
FSCOUT voltage, M
FSCOUT voltage, L
FSCOUT restriction current
External controller sink current
External controller voltage, L
Video switches
Voltage gain
Frequency characteristics
Audio switches
Voltage gain
Maximum output level
Total harmonic distortion
Input conversion noise voltage
Input impedance
Offset voltage
Control
"H" level voltage
"L" level voltage
Symbol Min. Typ. Max. Unit
ICC
VFSCH
VFSCM
VFSCL
IFSC
ISYN
VAUXL
30
11.0
5.2
0
1.0
0
46
11.8
5.9
0.2
0.2
62
12.0
6.8
1.0
20
1.0
mA
V
V
V
mA
mA
V
GVV – 1 0 1 dB
VF – 3 0 1 dB
GVA
VOMA
THD
VMin.
ZIN
VOF
– 1 0 1 dB
3.0 3.6 — Vrms
— 0.005 0.1
%
— 20 100 µVrms
40 50 60 k
— — 20 mV
VH
3.0 —
V
VL
0
— 1.5
V
Note: Supports I2C BUS input.
Conditions
No signal
RL = 10k
RL = 10k
RL = 10k
VFSCO = 0V
RL = 10k
RL = 10k
VIN = 1VP-P, f = 4.43MHz
VIN = 1VP-P, f = 100k / 7MHz
VIN = 1Vrms, f = 1kHz
f = 1kHz, THD = 0.5%
VIN = 1Vrms, f = 1kHz
DIN AUDIO Rg = 600
Guaranteed design parameters (unless otherwise noted, Ta = 25°C, VCC = 12V)
Parameter
Video switches
Interchannel crosstalk
Secondary harmonics
Tertiary harmonics
Audio switches
Interchannel crosstalk
Mute attenuation
Symbol Min. Typ. Max. Unit
Conditions
CTV
— – 70 – 50
dB VIN = 1VP-P, f = 4.43MHz
HD2
— – 45 – 40
dB VIN = 1VP-P, f = 4.43MHz
HD3
— – 50 – 45
dB VIN = 1VP-P, f = 4.43MHz
CTA
VMTA
— – 90 – 70
— – 90 – 70
dB VIN = 1Vrms, f = 1kHz
dB VIN = 1Vrms, f = 1kHz
7

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부품번호상세설명 및 기능제조사
BH7634AS

Audio / video switch for CANAL - Plus decoder

ROHM Semiconductor
ROHM Semiconductor

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