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75176B 参数 Datasheet PDF下载

75176B图片预览
型号: 75176B
PDF下载: 下载PDF文件 查看货源
内容描述: 差分总线收发器 [DIFFERENTIAL BUS TRANSCEIVERS]
分类和应用: 总线收发器
文件页数/大小: 21 页 / 398 K
品牌: TI [ TEXAS INSTRUMENTS ]
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SN65176B, SN75176B
DIFFERENTIAL BUS TRANSCEIVERS
SLLS101D – JULY 1985 – REVISED APRIL 2003
SYMBOL EQUIVALENTS
DATA-SHEET PARAMETER
VO
|VOD1|
|VOD2|
|VOD3|
∆|V
OD|
VOC
∆|V
OC|
IOS
IO
| |Vt| – |Vt| |
|Vos|
|Vos – Vos|
|Isa|, |Isb|
|Ixa|, |Ixb|
Iia, Iib
TIA/EIA-422-B
Voa, Vob
Vo
Vt (RL = 100
Ω)
TIA/EIA-485-A
Voa, Vob
Vo
Vt (RL = 54
Ω)
Vt (
(test termination
measurement 2)
| |Vt – |Vt| |
|Vos|
|Vos – Vos|
RECEIVER SECTION
electrical characteristics over recommended ranges of common-mode input voltage, supply
voltage, and operating free-air temperature (unless otherwise noted)
PARAMETER
VIT+
VIT–
Vhys
VIK
VOH
VOL
IOZ
II
IIH
IIL
rI
IOS
ICC
Positive-going input threshold voltage
Negative-going input threshold voltage
Input hysteresis voltage (VIT+ – VIT–)
Enable Input clamp voltage
High-level
High level output voltage
Low-level
Low level output voltage
High-impedance-state output current
Line input current
High-level enable input current
Low-level enable input current
Input resistance
Short-circuit output current
Supply current (total package)
No load
Outputs enabled
Outputs disabled
II = –18 mA
VID = 200 mV,
,
See Figure 2
VID = –200 mV,
,
See Figure 2
VO = 0.4 V to 2.4 V
Other input = 0 V,
,
See Note 7
VIH = 2.7 V
VIL = 0.4 V
VI = 12 V
12
–15
42
26
–85
55
35
VI = 12 V
VI = –7 V
IOH = –400
µ
,
µA,
IOL = 8 mA,
,
2.7
27
0.45
0 45
±20
1
–0.8
20
–100
VO = 2.7 V,
VO = 0.5 V,
TEST CONDITIONS
IO = –0.4 mA
IO = 8 mA
MIN
–0.2‡
50
–1.5
TYP†
MAX
0.2
UNIT
V
V
mV
V
V
V
µA
mA
µA
µA
kΩ
mA
mA
† All typical values are at VCC = 5 V, TA = 25°C.
‡ The algebraic convention, in which the less positive (more negative) limit is designated minimum, is used in this data sheet for common-mode
input voltage and threshold voltage levels only.
NOTE 7: This applies for both power on and power off. Refer to EIA Standard TIA/EIA-485-A for exact conditions.
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265