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HI-1570 の電気的特性と機能

HI-1570のメーカーはHolt Integrated Circuitsです、この部品の機能は「5V Monolithic Dual Variable AmplitudeTransceiver」です。


製品の詳細 ( Datasheet PDF )

部品番号 HI-1570
部品説明 5V Monolithic Dual Variable AmplitudeTransceiver
メーカ Holt Integrated Circuits
ロゴ Holt Integrated Circuits ロゴ 




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HI-1570 Datasheet, HI-1570 PDF,ピン配置, 機能
November 2004
HI-1570
MIL-STD-1553 / 1760
5V Monolithic Dual Variable AmplitudeTransceiver
DESCRIPTION
The HI-1570 is a low power CMOS dual +5V transceiver
with the ability to vary the amplitude of the transmitter
outputs. It is designed to meet the requirements of the
MIL-STD-1553 / 1760 specifications.
The transmitter section of each channel takes
complementary CMOS / TTL digital input data and
converts it to bi-phase Manchester encoded 1553 signals
suitable for driving the bus isolation transformer.
Separate transmitter inhibit control signals are provided
for each transmitter. A single pin allows the user to control
the transmitter output amplitude.
The receiver section of each channel converts the 1553
bi-phase bus data to complementary CMOS / TTL data
suitable for inputting to a Manchester decoder. Each
receiver has a separate enable input which can be used to
force the output of the receiver to a logic “0“.
To minimize the package size for this function, the
transmitter outputs are internally connected to the
receiver inputs so that only two pins are required for
connection to each coupling transformer. For designs
requiring independent access to transmitter and receiver
1553 signals, please contact your Holt Sales
representative.
FEATURES
! Compliant to MIL-STD-1553A & B,
MIL-STD-1760, ARINC 708A
! CMOS technology for low standby power
! Single +5V power supply
! Variable transmitter output amplitude
! Smallest footprint available in 20 pin plastic
ESOIC (thermally enhanced SOIC) package
! Less than 1.0W maximum power dissipation
! Military processing options
! Industry standard pin configurations
PIN CONFIGURATIONS
VCONT A&B 1
BUSA 2
BUSA 3
RXENA 4
GNDA 5
VDDA/B 6
BUSB 7
BUSB 8
RXENB 9
GNDB 10
1570CDI
1570CDT
1570CDM
20 TXA
19 TXA
18 TXINHA
17 RXA
16 RXA
15 TXB
14 TXB
13 TXINHB
12 RXB
11 RXB
20 Pin Ceramic DIP package
VCONT A&B 1
BUSA 2
BUSA 3
RXENA 4
GNDA 5
VDDA/B 6
BUSB 7
BUSB 8
RXENB 9
GNDB 10
1570PSI
1570PST
1570PSM
20 TXA
19 TXA
18 TXINHA
17 RXA
16 RXA
15 TXB
14 TXB
13 TXINHB
12 RXB
11 RXB
20 Pin Plastic ESOIC - WB package
(DS1570 Rev. C)
HOLT INTEGRATED CIRCUITS
www.holtic.com
11/04

1 Page





HI-1570 pdf, ピン配列
HI-1570
VCONT A&B
TXA/B
TXA/B
TXINHA/B
RXA/B
RXA/B
RXENA/B
Each Channel
TRANSMITTER
Transmit
Logic
Slope
Control
Data Bus
Isolation
Transformer
BUSA/B
BUSA/B
Coupler
Network
Direct or
Transformer
RECEIVER
Receive
Logic
Comparator
Input
Filter
Figure 1. Block Diagram
TRANSMIT WAVEFORM - EXAMPLE PATTERN
TXA/B
TXA/B
BUSA/B - BUSA/B
Vin
(Line to Line)
RXA/B
RXA/B
RECEIVE WAVEFORMS - EXAMPLE PATTERN
HOLT INTEGRATED CIRCUITS
3


3Pages


HI-1570 電子部品, 半導体
HI-1570
TXA/B
TRANSMITTER
BUSA/B
1:1.79
Point
“AT1:1.4
52.5 W
(.75 Zo)
TXA/B
TXINHA/B
VCONT A&B
35 W (.5 Zo)
BUSA/B
Isolation
Transformer
Coupling
Transformer
52.5 W
(.75 Zo)
52.5 W
(.75 Zo)
1.4:1
Point
“AT1.79:1
RECEIVER
52.5 W
(.75 Zo)
Coupling
Transformer
Isolation
Transformer
RXENA/B
35 W (.5 Zo)
RXA/B
RXA/B
Figure 3. Transformer Coupled Test Circuits
7.5
Slope = DVo ÷ DVCONT A&B
6.0
FS
0.8FS
4.5 0.6FS
3.0 0.4FS
1.5 0.2FS
00
0 1.0 2.0 3.0 4.0 5.0
Control Voltage - VCONT A&B
Figure 4. Transmitter Output Amplitude (Vo)
vs VCONT A&B Voltage
HOLT INTEGRATED CIRCUITS
6

6 Page



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共有リンク

Link :


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