MC44BS373CA Datasheet, PDF (1/52 Pages) Motorola, Inc – PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator

Technical Data
MC44BS373CA
Rev. 2.6, 6/2004
MC44BS373CA
Data Sheet
PLL-Tuned UHF and VHF
Audio/Video High-Integration
Modulator
MC44BS373CA
SO16NB Package QFN20 Package
Ordering Information
Device
Temp Range
Package
MC44BS373CAD,R2
–20 to +85°C
SO16NB
MC44BS373CAFC,R2
–20 to +85°C
QFN20
Lead Free
MC44BS373CAEF,R2
–20 to +85°C
SO16NB
Lead Free
NOTE: For tape and reel, add R2 suffix.
Contents
1 Features . . . . . . . . . . . . . . . . . . . . . . 2
2 Comparing the MC44BS373CA to the
MC44BC373/4C. . . . . . . . . . . . . . . . . 2
3 Pin Descriptions. . . . . . . . . . . . . . . . . 3
4 MC44BS373CA Functional Overview 5
5 Maximum Ratings . . . . . . . . . . . . . . . 6
6 Thermal Ratings . . . . . . . . . . . . . . . . 6
7 Electrostatic Discharge . . . . . . . . . . . 7
8 Electrical Characteristics . . . . . . . . . . 7
9 I2C Bit Mapping . . . . . . . . . . . . . . . . . 8
10 I2C Programming . . . . . . . . . . . . . . 10
11 Modulator High-Frequency
Characteristics . . . . . . . . . . . . . . . . . 13
12 Video Characteristics. . . . . . . . . . . . 14
13 Audio Characteristics. . . . . . . . . . . . 16
14 Characterization Measurement
Conditions . . . . . . . . . . . . . . . . . . . . 17
15 MC44BS373CA Modes of Operation 22
16 High Speed I2C Compatible Bus. . . 27
17 Pin Circuit Schematics. . . . . . . . . . . 31
18 Application Diagrams. . . . . . . . . . . . 32
19 MC44BS373CA Evaluation Board
Schematic and Layout . . . . . . . . . . . 36
20 Packaging Instructions . . . . . . . . . . 41
21 Marking Instructions . . . . . . . . . . . . 42
22 Case Outlines . . . . . . . . . . . . . . . . . 43
23 Document Revision History . . . . . . . 48
The MC44BS373CA audio and video modulator is for use in VCRs, set-top boxes, and
similar devices.
• Supports multiple standards
• TV output level 82 dBµV typical
• 5- and 3.3-V compatible I²C bus
Figure 1 shows the pin connections for both package options.
SCL
1
SDA
2
LOP
3
XTAL
4
GND
5
PREEM
6
AUDIO
7
SPLLFLT
8
16
GNDD
15
VCCD
14
PLLFLT
LOP
CAS
1 ²⁰
19
18
17 16
15
2
14
13
TVOVCC ^XTAL
3
13
12
TVOUT
GND
4
12
11
GND
PREEM
10
VCCA
5
11
6 7 8 9 10
9
VIDEO
SO16NB Package
QFN20 Package
Figure 1. MC44BS373CA Pin Connections
TVOVCC
TVOUT
NC
GND
NC