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  Datasheet File OCR Text:
 99W120B
Video Switch for Canal+
BH7636S
Description The BH7636S includes two video switches, one for clamp input and the second for bias input. The I2C Bus* for switch control simplifies applications, while the two expansion ports allow up to two external inputs. Features
Dimension (Units : mm)
1) I2C-BUS control 2) Video input is sync-tip clamped 3) Three FSCOUT 4) Two expansion ports 5) Mute function (bias) 6) 75 driver output (pins 20 and 23) requires no attached capacitor. 7) Low value input capacitor : 0.022 F
* I2C-BUS is a trade mark of PHILIPS Inc.
*
SDIP24
Applications VCRs Absolute Maximum Ratings (Ta=25 C)
Parameter Supply voltage Power dissipation Operating temperature range Storage temperature range Symbol VCC Pd Topr Tstg Limits 13.5 1200 * -25 ~ -55 ~ +60 +125 Unit V mW C C
* Derating : 12mW/ C for operation above Ta=25 C.
Recommended Operatingn Conditions (Ta=25 C)
Parameter Operating supply voltage Symbol VCC Min. 8.5 Typ. 12 Max. 13 Unit V
February, 2000
Electrical Characteristics (Unless otherwise noted, Ta=25C, Vcc= 12V)
Parameter Circuit current FSCOUT High voltage FSCOUT Middle voltage FSCOUT Low voltage FSCOUT limit current External control terminal sink current External control terminal Low voltage Voltage gain Frequency characteristic Voltage gain Frequency characteristic Input impedance High level voltage Low level voltage
Note) I2C-BUS input specification
Symbol ICC VFSCH VFSCM VFSCL IFSC ISYN VAUXL GVV VF GVA VF ZIN VH VL
Min. 30 11.0 5.2 0 -- 1.0 0 -1 -3 -1.5 -1.5 40 3.0 0
Typ. 46 11.8 5.9 0.2 -- -- 0.2 0 0 0 0 50 -- --
Max. 62 12.0 6.8 1.0 20 -- 1.0 1 1 1.5 1.5 60 -- 1.5
Unit mA V V V mA mA V dB dB dB dB k V V
Conditions No signal RL=10k RL=10k RL=10k VFSCO=10k RL=10k RL=10k VIN=1VP-P, f=4.43MHz VIN=1VP-P, f=100k/7MHz VIN=2VP-P, f=4.43MHz VIN=2VP-P, f=100k/5MHz
Block Diagram


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