參數(shù)資料
型號(hào): SN65HVD
廠商: Texas Instruments, Inc.
英文描述: 3.3-V RS-485 Transceivers(3.3V,RS-485收發(fā)器)
中文描述: 3.3V的RS - 485收發(fā)器(3.3V,RS - 485接口收發(fā)器)
文件頁數(shù): 5/19頁
文件大小: 142K
代理商: SN65HVD
SN65HVD10,SN65HVD10Q,SN75HVD10
SN65HVD11,SN65HVD11Q,SN75HVD11
SN65HVD12,SN75HVD12
SLLS505E
FEBRUARY 2002
REVISED NOVEMBER 2002
www.ti.com
5
RECEIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions unless otherwise noted
PARAMETER
Positive-going input threshold voltage
TEST CONDITIONS
MIN
TYP(1)
MAX
0.01
UNIT
VIT+
IO =
8 mA
VIT
Negative-going nput threshold
voltage
IO = 8 mA
0.2
V
Vhys
VIK
VOH
VOL
IOZ
Hysteresis voltage (VIT+
VIT
)
Enable-input clamp voltage
35
mV
II =
18 mA
VID = 200 mV,
VID =
200 mV,
VO = 0 or VCC
VA or VB = 12 V
VA or VB = 12 V,
VA or VB =
7 V
VA or VB =
7 V,
VA or VB = 12 V
VA or VB = 12 V,
VA or VB =
7 V
VA or VB =
7 V,
VIH = 2 V
VIL = 0.8 V
VID = 0.4 sin (4E6
π
t) + 0.5 V, DE at 0 V
RE at 0 V,
D & DE at 0 V,
No load
1.5
V
High-level output voltage
IOH =
8 mA,
IOL = 8 mA,
RE at VCC
See Figure 7
2.4
V
Low-level output voltage
See Figure 7
0.4
V
μ
A
High-impedance-state output current
1
1
0.05
0.11
VCC = 0 V
HVD11, HVD12,
Other input at 0 V
0.06
0.13
mA
0.1
0.05
II
Bus input current
VCC = 0 V
0.05
0.04
0.2
0.5
VCC = 0 V
HVD10,
Other input at 0 V
0.25
0.5
mA
0.4
0.2
VCC = 0 V
0.4
0.15
IIH
IIL
CID
High-level input current, RE
30
0
μ
A
μ
A
pF
Low-level input current, RE
30
0
Differential input capacitance
15
Receiver enabled and driver
disabled
4
8
mA
ICC
Supply current
RE at VCC,
D at VCC,
DE at 0 V,
No load
RE at 0 V,
D & DE at VCC,
No load
Receiver disabled and driver
disabled (standby)
1
5
μ
A
Receiver enabled and driver
enabled
9
15.5
mA
(1)All typical values are at 25
°
C and with a 3.3-V supply.
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