HI-1570 Datasheet PDF - Holt Integrated Circuits
| Part Number | HI-1570 | |
| Description | 5V Monolithic Dual Variable AmplitudeTransceiver | |
| Manufacturers | Holt Integrated Circuits | |
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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
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HI-1570
DC ELECTRICAL CHARACTERISTICS (cont.)
VDD = 5.0V, GND = 0V, VCONT A/B = 5.0V, TA = Operating Temperature Range (unless otherwise specified).
PARAMETER
SYMBOL
CONDITION
MIN
TRANSMITTER (Measured at Point “AD” in Figure 2 unless otherwise specified)
Output Voltage
Direct coupled
VOUT
35W load
(Measured at Point “AD“ in Figure 2)
Transformer coupled
VOUT
70W load
(Measured at Point “AT“ in Figure 3)
Output Noise
VON Differential, inhibited
Output Dynamic Offset Voltage Direct coupled
VDYN
35W load
(Measured at Point “AD“ in Figure 2)
Transformer coupled
VDYN
70W load
(Measured at Point “AT“ in Figure 3)
Output Resistance
ROUT
Differential, not transmitting
Output Capacitance
COUT
1 MHz sine wave
Control Line Resistance
RCONT
7.0
20.0
-90
-250
10
TYP
5
MAX UNITS
9.0
27.0
10.0
90
250
15
Vp-p
Vp-p
mVp-p
mV
mV
KW
pF
KW
AC ELECTRICAL CHARACTERISTICS
VDD = 5.0V, GND = 0V, VCONT A/B = 5.0V, TA =Operating Temperature Range (unless otherwise specified).
PARAMETER
SYMBOL TEST CONDITIONS
RECEIVER
(Measured at Point “AD” in Figure 2)
Receiver Delay
tDR From input zero crossing to RXA/B or RXA/B
Receiver Enable Delay
tREN
From RXENA/B rising or falling edge to
RXA/B or RXA/B
TRANSMITTER (Measured at Point “AD” in Figure 2)
Driver Delay
tDT TXA/B, TXA/B to BUSA/B, BUSA/B
Rise time
tr 35 ohm load
Fall Time
tf 35 ohm load
Inhibit Delay
tDI-H
Inhibited output
tDI-L
Active output
MIN
100
100
TYP
MAX UNITS
450 ns
40 ns
150 ns
300 ns
300 ns
100 ns
150 ns
TXA/B
TXA/B
TXINHA/B
VCONT A&B
Point “AD“
TRANSMITTER
BUSA/B
BUSA/B
1:2.5
55 W
Isolation
55 W
Transformer
35 W
55 W
2.5:1
RECEIVER
35 W
55 W
Isolation
Transformer
RXENA/B
Point “AD“
RXA/B
RXA/B
Figure 2. Direct Coupled Test Circuits
HOLT INTEGRATED CIRCUITS
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HI-1570 electronic component. |
| Information | Total 9 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HI-1570.PDF Datasheet ] | |
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