參數(shù)資料
型號(hào)： MC44818
廠商： Motorola, Inc.
英文描述： TV AND VCR PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND I2C BUS
中文描述： 電視機(jī)和錄像機(jī)鎖相環(huán)調(diào)諧電路與1.3 GHz的分頻器和I2C總線
文件頁(yè)數(shù)： 2/8頁(yè)
文件大小： 158K
代理商： MC44818
MC44818
2
MOTOROLA ANALOG IC DEVICE DATA
Representative Block Diagram
This device contains 3,204 active transistors.
Gnd
Test
Logic
Buffers
Latches
P–On
Reset
I2C Bus
Receiver
Latches
Phase
Comp
Ref
Divider
Osc
Latch Control
Program Divider
15 Bit
Latches B
Latches A
Shift Register
15 Bit
÷
8
Prescaler
DTB2
POR
Operational
Amplifier
2.7 V
20 k
DTB1
CL
Data
RL
DTF
Fout
TDI
Fout
Fref
T10, T11
T9, T12, T14
T13
4
6
15
10
11
12
13
14
12 V
5
6
7
5.0 V
Fout
Fref
9
16
1
2
8
AS
Data
Clock
HF Input
VCC1
VCC3
VTUN
VCC2
Bands Out 30 mA
(40 mA at 0
°
to 80
°
C)
Amp In
Lock
XTAL
B3
B2
B1B0
DTS, EN
512/1024
4
15
3
MAXIMUM RATINGS
(TA = 25
°
C, unless otherwise noted.)
Rating
Pin
Value
Unit
Power Supply Voltage (VCC1)
Band Buffer “Off” Voltage
7
6.0
V
10–13
14.4
V
Band Buffer “On” Current
10–13
50
mA
Band Buffer – Short Circuit Duration (0 to VCC3) (Note 2)
Operational Amplifier Power Supply Voltage (VCC2)
Operational Amplifier Short Circuit Duration (0 to VCC2)
Power Supply Voltage (VCC3)
Storage Temperature
10–13
Continuous
–
6
40
V
5
Continuous
–
14
14.4
V
–
–65 to +150
°
C
°
C
Operating Temperature Range
–
–20 to +80
Band Buffer Operation (Note 1) at 50 mA each Buffer All
Buffers “On” Simultaneously
10–13
10
sec
Operational Amplifier Output Voltage
5
VCC2
1.5
V
RF Input Level (10 MHz to 1.3 GHz)
–
Vrms
NOTES:
1. At VCC3 = VCC1 to 14.4 V and TA = –20
°
to +80
°
C.
2.At VCC3 = VCC1 to 14.4 V and TA = –20
°
to +80
°
C one buffer “On” only.
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MC44818D 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:TV AND VCR PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND I2C BUS
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MC44825D 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:TV AND VCR PLL TUNING CIRCUITS WITH 1.3 GHz PRESCALER AND I2C BUS
MC44826D 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER
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