"TI-SN65HVD1176 RS485收发器芯片 数据手册详细介绍"
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更新于2024-03-14
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The TI-SN65HVD1176 is a high-performance RS485 transceiver chip that is designed for use in industrial communication systems. This chip is capable of transmitting data at high speeds over long distances, making it ideal for applications such as industrial automation, building control systems, and automotive networking.
The data sheet for the TI-SN65HVD1176 provides detailed information about its features, electrical characteristics, and recommended operating conditions. The chip is designed to operate at a wide range of voltages, from 3.3V to 5V, and can withstand high levels of electrical noise and fluctuations in supply voltage.
One of the key features of the TI-SN65HVD1176 is its low power consumption, which makes it suitable for use in battery-powered devices and other applications where power efficiency is critical. The chip also includes built-in protection features, such as overvoltage protection and thermal shutdown, to ensure reliable operation in harsh environments.
Overall, the TI-SN65HVD1176 is a versatile and reliable RS485 transceiver chip that offers high performance and low power consumption. With its wide operating voltage range, robust protection features, and high-speed data transmission capabilities, this chip is an excellent choice for a wide range of industrial communication applications.
SN65HVD1176
,
SN75HVD1176
SLLS563H –JULY 2003–REVISED NOVEMBER 2015
www.ti.com
6.6 Supply Current
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Driver and receiver, RE at 0 V, DE at V
CC
,
4 6 mA
All other inputs open, no load
Driver only, RE at V
CC
, DE at V
CC
,
3.8 6 mA
All other inputs open, no load
I
CC
Supply Current
(1)
Receiver only, RE at 0 V, DE at 0 V,
3.6 6 mA
All other inputs open, no load
Standby only, RE at V
CC
, DE at 0 V,
0.2 5 μA
All other inputs open
(1) Over recommended operating conditions
6.7 Power Dissipation
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
R
L
= 54 Ω, C
L
= 50 pF, 0 V to 3 V,
P
D
Device power dissipation 15 MHz, 50% duty cycle square wave 277 318 mW
input, driver and receiver enabled
Low-K board, no air flow,
–40 64 °C
P
D
= 318 mW
SN65HVD1176
High-K board, no air flow,
–40 89 °C
P
D
= 318 mW
T
A
Ambient air temperature
Low-K board, no air flow,
0 °C
P
D
= 318 mW
SN75HVD1176
High-K board, no air flow,
0 °C
P
D
= 318 mW
T
SD
Thermal shut down junction temperature 150 °C
(1) All typical values are with V
CC
= 5 V and T
A
= 25°C.
6.8 Switching Characteristics
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
DRIVER
t
PLH
Propagation delay time low-level-to-high-level output 4 7 10 ns
t
PHL
Propagation delay time high-level-to-low-level output 4 7 10 ns
R
L
= 54 Ω, C
L
= 50 pF,
t
sk(p)
Pulse skew | t
PLH
– t
PHL
| 0 2 ns
See Figure 8
t
r
Differential output rise time 2 3 7.5 ns
t
f
Differential output fall time 2 3 7.5 ns
t
t(MLH)
, t
t(MHL)
Output transition skew See Figure 9 0.2 1 ns
t
p(AZH)
, t
p(BZH)
Propagation delay time, high-impedance-to-active
10 20 ns
t
p(AZL)
, t
p(BZL)
output
t
p(AHZ)
, t
p(BHZ)
Propagation delay time, active-to- high-impedance
10 20 ns
R
L
= 110 Ω,
t
p(ALZ)
, t
p(BLZ)
output
C
L
= 50 pF RE at 0 V
|t
p(AZL)
– t
p(BZH)
|
See Figure 12
Enable skew time 0.55 1.5 ns
|t
p(AZH)
– t
p(BZL)
|
|t
p(ALZ)
– t
p(BHZ)
|
Disable skew time 2.5 ns
|t
p(AHZ)
– t
p(BLZ)
|
t
p(AZH)
, t
p(BZH)
Propagation delay time, high-impedance-to-active
1 4 μs
R
L
= 110 Ω,
t
p(AZL)
, t
p(BZL)
output (from sleep mode)
C
L
= 50 pF RE at 5 V
t
p(AHZ)
, t
p(BHZ)
Propagation delay time, active-output-to high-
See Figure 12
30 50 ns
t
p(ALZ)
, t
p(BLZ)
impedance (to sleep mode)
Time from application of short-circuit to current
t
(CFB)
See Figure 13 0.5 μs
foldback
(1) All typical values are at V
CC
= 5 V and 25°C.
6 Submit Documentation Feedback Copyright © 2003–2015, Texas Instruments Incorporated
Product Folder Links: SN65HVD1176 SN75HVD1176
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