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參數(shù)資料
| 型號(hào)： | MC44864 |
| 廠商： | Motorola, Inc. |
| 英文描述： | PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND D/A CONVERTERS |
| 中文描述： | 鎖相環(huán)調(diào)諧電路與1.3 GHz的分頻器和D / A轉(zhuǎn)換 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 203K |
| 代理商： | MC44864 |
PLL TUNING CIRCUIT
WITH 1.3 GHz PRESCALER
AND D/A CONVERTERS
PIN CONNECTIONS
Order this document by MC44864/D
M SUFFIX
PLASTIC PACKAGE
CASE 967
(EIAJ–20)
20
1
8
VTUN
DA1
18
17
16
15
14
13
12
3
4
5
6
7
9
Amp In
VCC2
DA2
DA3
VCC1
HF1
Gnd
SCL
B7
B5
B3
B1
CA
(Top View)
20
19
1
2
XTAL
PHO
Gnd
SDA
11
10
HF2
SEMICONDUCTOR
TECHNICAL DATA
Device
Operating
Temperature Range
Package
ORDERING INFORMATION
MC44864M
TA = 0
°
to +70
°
C
EIAJ–20
MOTOROLA ANALOG IC DEVICE DATA
! ! #
$
" !
!
The MC44864 is a tuning circuit for TV applications. This device contains
a PLL section and a DAC section and is MCU controlled through an I2C Bus.
The PLL section contains all the functions required to control the VCO of a
TV tuner. The IC generates the tuning voltage and the additional control
signals, such as band switching voltages.
The D/A section generates three additional varactor voltages to feed all of
the varactors of the tuner with individually optimized control voltages
(automatic tuner adjustment). The MC44864 is manufactured on a single
silicon chip using Motorola’s high density bipolar process, MOSIAC
(Motorola Oxide Self–Aligned Implanted Circuits).
Complete Single Chip System for MPU Control
Selectable
÷
8 Prescaler Accepts Frequencies up to 1.3 GHz
15 Bit Programmable Divider Accepts Input Frequencies up to 165 MHz
Programmable Reference Divider
3–State Phase/Frequency Comparator
Operational Amplifier for Direct Varactor Control with Low Saturation
Voltage
Four Output Buffers (15 mA)
Output Options for 62.5 kHz, Reference Frequency and the
Programmable Divider
The HF Input is Symmetrical
Three 6 Bit DACs for Automatic Tuner Adjustment Allowing Use of
Non–Matched Varactors
Better Tuner Performances Through Optimum Filter Response
I2C Bus Controlled
Four Chip Addresses for the PLL Section
Four Chip Addresses for the D/A Section
ESD Protected to MIL–STD–883C, Method 3015.7
(2,000 V, 1.5 k
, 150 pF)
MOSAIC is a trademark of Motorola, Inc.
MAXIMUM RATINGS
(TA = 25
°
C, unless otherwise noted.)
Rating
Pin
Value
Unit
Power Supply Voltage (VCC1)
Band Buffer “Off” Voltage
9
6.0
V
14 – 17
15
V
Band Buffer “On” Current
14 – 17
20
mA
Operational Amplifier Power Supply
Voltage (VCC2)
Operational Amplifier Short Circuit Duration
(0 to VCC2)
Storage Temperature
4
36
V
5 – 8
Continuous
S
–
–65 to +150
°
C
°
C
Operating Temperature Range
–
0 to +70
NOTE:
ESD data available upon request.
Motorola, Inc. 1996
Rev 2
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|---|---|
| MC44864M | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC44864MR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
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| MC44871DTB | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PLL TUNING CIRCUIT WITH HIGH SPEED I2C BUS AND 30 V TUNING SUPPLY |
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