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MFG:MOT
Part Number: MC44BC375U
MFG: MOT
Description: Channels are selectable using pin Channel Selection (CHS) and tuned by a PLL. They do not require any ...
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MC44BC375U
-
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DataSheet
General Description
MC44BC375U General Description
Channels are selectable using pin Channel Selection (CHS) and tuned by a PLL. They do not require any external tank circuit components thus reducing the sensitivity of the PCB design and the need for external adjustments. The PLL obtains its reference from a 4MHz crystal oscillator.
The sound subcarrier is also generated on-chip without external components. The 4.5MHz or 5.5MHz Sound frequency is selectable using pin Sound Frequency Selection (SFS). The Picture to Sound subcarrier ratio is also selectable by pin Picture to Sound selection (PSS) to either 14dB or 16dB. A Power Save function is selectable via pin Psave/LO which turns off all internal VCOs and mixers and simultaneously switches ON the Logic Output Port (LOP). No external Varicap Diodes/ Inductor nor other tuned components are needed.
MC44BC375U Maximum Ratings
|
Sym |
Parameter |
Value |
Unit |
|
Vcc |
Supply voltage |
6 |
V |
|
Tamin |
Minimum operating ambient temperature |
-20 |
|
|
Tamax |
Maximum operating ambient temperature |
85 |
|
|
Tstgmin |
Minimum storage temperature |
65 |
|
|
Tstgmax |
Maximum storage temperature |
150 |
|
|
Tj |
Junction Temperature |
150 |
operation, valuesshould be restricted to the Recommended Operating Condition.
Meets Moisture Sensitivity Level 1, no dry pack required.
This device contains protection circuitry to guard against damage due to high static voltage or electric
fields. However, precautions must be taken to avoid applications of any voltage higher thanmaximum
rated voltages to this high impedance circuit. For proper operation, input and output voltages should
be constrained to the ranges indicated in the Recommended Operating Conditions.
MC44BC375U Features
• Channel selected by CHS pin
• Integrated On-Chip Oscillator - No external tank circuit
• Extremely Low External Components Count
• Adjustable Video Modulation Depth (85% w/o adjustment)
• PeakWhiteClip
• Programmable Picture/Sound Carrier Ratio (14dB & 16dB) selected by PSS pin
• IntegratedOn-chip Programmable Sound Subcarrier Oscillator (4.5&5.5MHz selected by SFS pin) No external varicaps
• Modulator Standby Mode selected by Psave/LO pin
• Transient Output Inhibit During PLL Lock-up at Power-on
• Logic Output Port selected by Psave/LO pin (Antenna Switch Driver)
• Extremely Robust ESD protection, Minimum 4kV, typical 6kV.
• Available in 80 dBuV RF output level (MC44BC375UA).
• Integrated On-Chip Oscillator - No external tank circuit
• Extremely Low External Components Count
• Adjustable Video Modulation Depth (85% w/o adjustment)
• PeakWhiteClip
• Programmable Picture/Sound Carrier Ratio (14dB & 16dB) selected by PSS pin
• IntegratedOn-chip Programmable Sound Subcarrier Oscillator (4.5&5.5MHz selected by SFS pin) No external varicaps
• Modulator Standby Mode selected by Psave/LO pin
• Transient Output Inhibit During PLL Lock-up at Power-on
• Logic Output Port selected by Psave/LO pin (Antenna Switch Driver)
• Extremely Robust ESD protection, Minimum 4kV, typical 6kV.
• Available in 80 dBuV RF output level (MC44BC375UA).
MC44BC375U Connection Diagram
MC44BC375U
PDF/DataSheet Download
- Datasheet: MC44BC375U
- File Size: 550243 KB
- Manufacturer: MOTOROLA [Motorola, Inc]
- Click here to Download
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