MC44BC375J FREESCALE [Freescale Semiconductor, Inc], MC44BC375J Datasheet

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MC44BC375J

Manufacturer Part Number
MC44BC375J
Description
PLL Tuned VHF Audio/Video High Integration Modulator ICs
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
This document contains information on a product under development. Freescale reserves the right to change or
discontinue this product without notice. © Motorola, Inc., 2002. All rights reserved.
Technical Data
MC44BC375/D
Rev. 2.6 01/2003
MC44BC375/U/J/T
PLL Tuned VHF Audio/
Video High Integration
Modulator ICs
Contents List
1 Features . . . . . . . . . . . . . 2
2 Device Overview . . . . . . 3
3 Maximum Ratings . . . . . 4
4 Thermal Rating . . . . . . . 4
5 Electrostatic Discharge 4
6 Electrical
7 Pin Selection . . . . . . . . . 6
8 High Frequency
9 Video Characteristics . . 7
10 Audio Characteristics . . 7
11 Characterization
12 Modulator
13 Pin Circuit Schematics 14
14 MC44BC375U Application
15 Markings and Case
Characteristics
Characteristics
(U Version)
Measurement
Conditions
Functionality
Schematic
Diagrams
11
15
16
5
6
7
This modulator circuit is for use in VCRs, set top boxes and similar devices. The device
differences are as follows:
MC44BC375U VHF [CH3 & CH4] (Americas)
MC44BC375J VHF [CH1 & CH2] (Japan)
MC44BC375T VHF [CH13] (Taiwan)
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 1. MC44BC375U/J/T Pin Connection Diagram
Go to: www.freescale.com
SPLFLT
PREEM
AUDIO
XTAL
GND
CHS
LOP
PSS
1
2
3
4
5
6
7
8
MC44BC375/U/J/T
MC44BC375UD, R2
MC44BC375TD, R2
MC44BC375JD, R2
16
15
14
13
12
11
10
9
Device
NOTE: For tape and reel, add R2 suffix.
SFS
PLLFLT
TVOVCC
PSave/LO
TVOUT
GND
VCCA
VIDEO
Ordering Information
SO16 Package
-20°C to +85°C
Temp. Range
Package
SO16NB

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MC44BC375J Summary of contents

Page 1

... Features . . . . . . . . . . . . . 2 2 Device Overview . . . . . . 3 • MC44BC375U VHF [CH3 & CH4] (Americas) 3 Maximum Ratings . . . . . 4 4 Thermal Rating . . . . . . . 4 • MC44BC375J VHF [CH1 & CH2] (Japan) 5 Electrostatic Discharge 4 6 Electrical • MC44BC375T VHF [CH13] (Taiwan) Characteristics 5 7 Pin Selection . . . . . . . . . 6 8 High Frequency ...

Page 2

Freescale Semiconductor, Inc. Features 1 Features 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 ...

Page 3

Freescale Semiconductor, Inc. 2 Device Overview Figure 2 shows a simplified block diagram of the MC44BC375U/J/Tdevice. The MC44BC375U/J/T device has two main sections modulator section which accepts audio and video inputs and modulates the VHF carrier ...

Page 4

Freescale Semiconductor, Inc. Maximum Ratings 3 Maximum Ratings Sym Parameter Vcc Supply voltage Tamin Minimum operating ambient temperature Tamax Maximum operating ambient temperature Tstgmin Minimum storage temperature Tstgmax Maximum storage temperature Tj Junction Temperature Maximum ratings are those values beyond ...

Page 5

Freescale Semiconductor, Inc. 6 Electrical Characteristics • 100% Tested • 100% Correlation tested • Characterized on samples • Design parameter 6.1 Specification Conditions Unless otherwise stated: Vcc = 5.0V, T amb. = ...

Page 6

... Freescale Semiconductor, Inc. Pin Selection 7 Pin Selection Pin Nb Pin Name Device MC44BC375U 1 CHS MC44BC375J MC44BC375T 2 PSS MC44BC375U/J/T 9 PSave/LO MC44BC375U/J/T 16 SFS MC44BC375U/J/T By default (open condition), all pins are “HI”. 7.1 Test Modes Pin DC level Vcc + 0.3V Low frequency testing (RF frequency divided by 4 for MC44BC375U/J, and ...

Page 7

Freescale Semiconductor, Inc. 9 Video Characteristics Parameter Reference 0dB at 100kHz, measured at Video bandwidth 5MHz Video input level 75Ohm load Video input current Video input impedance Unweighted Video S/N Weighted Differential Phase Differential Gain Luma/Sync ratio Input ratio 7.0:3.0 ...

Page 8

Freescale Semiconductor, Inc. Characterization Measurement Conditions Device and Signals Set-up Video: 10 steps grey scale No audio Video: 10 steps grey scale No Audio signal Second Harmonics of Chroma subcarrier No audio Video: a 700mVpk-pk 100Khz sinusoidal signal is inserted ...

Page 9

Freescale Semiconductor, Inc. Device and Signals Set-up No Video signal No Audio signal No Video signal No Audio signal In Band Spurious / 4Mhz Crystal Spurious No Video signal No Audio signal No audio Video: 600mVpk-pk sinusoidal signal inserted on ...

Page 10

Freescale Semiconductor, Inc. Characterization Measurement Conditions Device and Signals Set-up Video: 5 step Grey Scale- 1Vpk-pk. No Audio signal This is measured using a Rohde & Schwarz AMFS Demodulator in B/G (using a CCIR Rec. 567 weighting network, 100kHz to ...

Page 11

Freescale Semiconductor, Inc. Device and Signals Set-up Video Black Level Audio signal: 1Khz, 205mVrms. This is measured using a Rohde & Schwarz AMFS Demodulator in B/G and a HP8903A Audio Analyzer at 1kHz Video Black Level Audio signal: 50Hz to ...

Page 12

Freescale Semiconductor, Inc. Modulator Functionality 12.2 Test modes The MC44BC375U/J/T test modes are enabled by any voltage level higher than Vcc on pins CHS, PSS, SFS and VIDEO. Care must be taken in the application to not reach levels higher ...

Page 13

... The prescaler is a fixed divide by 8 and is permanently engaged. The VHF divider is different for each of the 3 versions. The programmable divider’s division ratio is controlled by CHS pin voltage in order to get the following VHF frequencies: Device MC44BC375U MC44BC375J MC44BC375T 12.9 Selectable Pins Pins CHS, PSS, SFS are internally pulled up to 5V. For More Information On This Product, Channel CH3 = 61 ...

Page 14

Freescale Semiconductor, Inc. Pin Circuit Schematics 13 Pin Circuit Schematics VCC 100K CHS PSS SFS Psave VCC 5K XTAL 1.5K VCC PREM 11.8k VCC VCC 5K SPLLFLT VCC VCC 100 PLLFLT 2K For More Information On This Product, 10k audio ...

Page 15

Freescale Semiconductor, Inc. 14 MC44BC375U Application Schematic CH 3/4 PS1/2 Select Select O O LOP Cx*** 4MHz C1 Pre-em 330nF 100nF Audio O 10k 22nF Ω *: This match with can be removed in ...

Page 16

... SFS Sound Frequency Select For More Information On This Product, Channel 3 / Channel 4 selection for MC44BC375U Channel 1 / Channel 2 selection for MC44BC375J Don’t care for the MC44BC375T PS=14dB / PS=16dB selection Logic Output Level (Low voltage / high impedance) selectable via Pin 9 Crystal Oscillator input ...

Page 17

... Bar width. Bar placement may extend across chamfer and dimple areas. • 1st line: MC44BC375U for MC44BC375UD device MC44BC375J for MC44BC375JD device MC44BC375T for MC44BC375TD device (Part number coded on 10 digits) • 2nd line: Assembly site code AW (2 digits) followed by the ...

Page 18

Freescale Semiconductor, Inc. Markings and Case Diagrams Millimeters Dim Min Max Min A 1.35 1.75 0.054 A1 0.1 0.25 0.004 D 9.8 10 0.385 E 5.8 6.2 0.229 E1 3.8 4 0.150 b 0.35 0.49 0.014 c 0.19 0.25 0.008 ...

Page 19

Freescale Semiconductor, Inc. MC44BC375/U/J/T Technical Data For More Information On This Product, Go to: www.freescale.com Markings and Case Diagrams ...

Page 20

Freescale Semiconductor, Inc. Home Page: www.freescale.com email: support@freescale.com USA/Europe or Locations Not Listed: Freescale Semiconductor Technical Information Center, CH370 1300 N. Alma School Road Chandler, Arizona 85224 (800) 521-6274 480-768-2130 support@freescale.com Europe, Middle East, and Africa: Freescale Halbleiter Deutschland GmbH ...

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