參數(shù)資料
型號: MC44817B
廠商: Motorola, Inc.
元件分類: DC/DC變換器
英文描述: RW-S Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 12V; Output Voltage (Vdc): 09V; Power: 2W; DIP24 Low Profile Miniature Package; 1kVDC Isolation; Feedback Regulated Output; 2:1 Wide Range Voltage Input; Continuous Short Circuit Protection; Less than 7mm Height; SMD Pinning Option; Efficiency to 87%
中文描述: 電視機(jī)和錄像機(jī)背燈電路,帶有1.3 GHz的分頻器和3線總線
文件頁數(shù): 1/8頁
文件大?。?/td> 159K
代理商: MC44817B
SEMICONDUCTOR
TECHNICAL DATA
TV AND VCR
PLL TUNING CIRCUITS
WITH 1.3 GHz PRESCALER
AND 3–WIRE BUS
PIN CONNECTIONS
Order this document by MC44817/D
1
16
15
14
13
12
11
10
9
2
3
4
5
6
7
8
DA
CL
XTAL
VCC2 33 V
VCC1 5.0 V
HF In
EN
Gnd
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
16
1
Amp In
VTUN
Lock
VCC3 12 V
B3
B2
B1
B0
(Top View)
MOTOROLA ANALOG IC DEVICE DATA
The MC44817/17B are tuning circuits for TV and VCR tuner applications.
They contain on one chip all the functions required for PLL control of a VCO.
The integrated circuits also contain a high frequency prescaler and thus can
handle frequencies up to 1.3 GHz.
The MC44817 has programmable 512/1024 reference divider while the
MC44817B has a fixed reference divider of 1024.
The MC44817/17B are manufactured on a single silicon chip using
Motorola’s high density bipolar process, MOSAIC
(Motorola Oxide Self
Aligned Implanted Circuits).
Complete Single Chip System for MPU Control (3–Wire Bus). Data and
Clock Inputs are IIC Bus Compatible
Divide–by–8 Prescaler Accepts Frequencies up to 1.3 GHz
15 Bit Programmable Divider Accepts Input Frequencies up to 165 MHz
Reference Divider: Programmable for Division Ratios 512 and 1024.
The MC44817B has a Fixed 1024 Reference Divider
Tri–State Phase/Frequency Comparator
Operational Amplifier for Direct Tuning Voltage Output (30 V)
Four Integrated PNP Band Buffers for 40 mA (VCC1 to 14.4 V)
Output Options for the Reference Frequency and the
Programmable Divider
Bus Protocol for 18 or 19 Bit Transmission
Extra Protocol for 34 Bit for Test and Further Features
High Sensitivity Preamplifier
Circuit to Detect Phase Lock
Fully ESD Protected
MOSAIC is a trademark of Motorola, Inc.
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC44817D
TA= –20
TA = –20
°
to +80
°
C
SO–16
MC44817BD
Motorola, Inc. 1996
Rev 1
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