BH7649KS2
Video-Audio Signal Switchers for Car Navigation Car DVD Player

This input selector ICs integrate a switch circuit that select 2-system from 5-system stereo audio inputs and a switch circuit that select 2-system from 7-system composite inputs in a single chip. Optimal for the car navigation systems and car DVD players that have multiple input systems.

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* This is a standard-grade product.
For Automotive usage, please contact Sales.

Product Detail

 
Part Number | BH7649KS2
Status | Recommended
Package | SQFP-T52
Unit Quantity | 1000
Minimum Package Quantity | 1000
Packing Type | Tray
RoHS | Yes

Specifications:

Vcc(Min.)[V]

7.5

Vcc(Max.)[V]

9.5

Iq[mA]

57.0

Ext. Gain

No

Maximum Output Gain[dB]

0.0

I/F

I2C BUS

Additional Feature

Isolation

Number of Inputs

7

Input Type

BIAS

Number of Outputs

2

Output type

DC Output

Frequency response 1

0.0(6.75MHz)

Frequency response 2

-30(27MHz)

LPF

8th order, 6.75MHz

Output Voltage

2.6

75ohm driver

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

12x12 (t=1.7)

Features:

・Video inputs selector : 7-inputs composite, Video outputs : 2-outputs 75Ωvideo driver, 2-outputs AMP
・Built in Video gain switch (-6dB / -3dB / 0dB / 3dB)
・Built in Video LPF switch (6.75MHz / Through)
・Built in sag compensation circuit
・Enables two load drivers
・Video driver : Able to be used without load
・Video driver : Able to be used without output coupling capacitor(one load)
・Audio inputs selector : 5-inputs(Lch, Rch), Audio outputs : 2-outputs(Lch, Rch)
・Built in Audio gain switch (0dB / -6dB)
・Built in Audio LPF switch (24kHz / Through)
・Built in MUTE function
・Audio/Video all inputs : Built in isolator function
・Selectable isolator function for different Audio/Video input channels
・Serial control with I²C BUS(I²C BUS is compatible with fast mode of Version 2.0)
・Optional Slave address modifications (90H / 92H)

Design Resources

 

Technical Articles

Schematic Design & Verification

  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Basics of Thermal Resistance and Heat Dissipation
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)