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參數(shù)資料
| 型號(hào)： | ADM1485AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | +-5 V Low Power EIA RS-485 Transceiver |
| 中文描述： | LINE TRANSCEIVER, PDSO8 |
| 封裝： | MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 139K |
| 代理商： | ADM1485AR |
REV. A
–2–
ADM1485–SPECIFICATIONS
(V
CC
= +5 V 5%. All specifications T
MIN
to T
MAX
unless otherwise noted.)
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Differential Output Voltage, V
OD
5.0
5.0
5.0
5.0
0.2
3
0.2
250
250
0.8
V
V
V
V
V
V
V
mA
mA
V
V
μ
A
R =
∞
, Figure 1
V
CC
= 5 V, R = 50
(RS-422), Figure 1
R = 27
(RS-485), Figure 1
V
TST
= –7 V to +12 V, Figure 2
R = 27
or 50
, Figure 1
R = 27
or 50
, Figure 1
R = 27
or 50
–7 V
≤
V
O
≤
+12 V
–7 V
≤
V
O
≤
+12 V
2.0
1.5
1.5
V
OD3
|V
OD
| for Complementary Output States
Common-Mode Output Voltage V
OC
|V
OD
| for Complementary Output States
Output Short Circuit Current (V
OUT
= High)
Output Short Circuit Current (V
OUT
= Low)
CMOS Input Logic Threshold Low, V
INL
CMOS Input Logic Threshold High, V
INH
Logic Input Current (DE, DI)
35
35
2.0
±
1.0
RECEIVER
Differential Input Threshold Voltage, V
TH
Input Voltage Hysteresis,
V
TH
Input Resistance
Input Current (A, B)
–0.2
+0.2
V
mV
k
mA
mA
μ
A
V
V
mA
μ
A
–7 V
≤
V
CM
≤
+12 V
V
CM
= 0 V
–7 V
≤
V
CM
≤
+12 V
V
IN
= 12 V
V
IN
= –7 V
70
12
+ 1
–0.8
±
1
0.4
Logic Enable Input Current (
RE
)
CMOS Output Voltage Low, V
OL
CMOS Output Voltage High, V
OH
Short Circuit Output Current
Tristate Output Leakage Current
I
OUT
= +4.0 mA
I
OUT
= –4.0 mA
V
OUT
= GND or V
CC
0.4 V
≤
V
OUT
≤
+2.4 V
4.0
7
85
±
1.0
POWER SUPPLY CURRENT
I
CC
(Outputs Enabled)
I
CC
(Outputs Disabled)
1.35
0.7
2.2
1
mA
mA
Outputs Unloaded, Digital Inputs = GND or V
CC
Outputs Unloaded, Digital Inputs = GND or V
CC
Specifications subject to change without notice.
TIMING SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Propagation Delay Input to Output T
PLH
, T
PHL
Driver O/P to
O/P
T
SKEW
Driver Rise/Fall Time T
R
, T
F
Driver Enable to Output Valid
Driver Disable Timing
2
10
0
2
10
10
15
5
10
25
25
ns
ns
ns
ns
ns
R
L
Diff = 54
C
L1
= C
L2
= 100 pF, Figure 3
R
L
Diff = 54
C
L1
= C
L2
= 100 pF, Figure 3
R
L
Diff = 54
C
L1
= C
L2
= 100 pF, Figure 3
RECEIVER
Propagation Delay Input to Output T
PLH
, T
PHL
Skew |T
PLH
–T
PHL
|
Receiver Enable T
EN1
Receiver Disable T
EN2
18
25
0
15
15
40
5
25
25
ns
ns
ns
ns
C
L
= 15 pF, Figure 5
Figure 6
Figure 6
Specifications subject to change without notice.
(V
CC
= +5 V
5%. All specifications T
MIN
to T
MAX
unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM1485ARM | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin MSOP 制造商:Rochester Electronics LLC 功能描述:5V H/SPEED ULT/P RS-485 TRANSCEIVER I.C. - Bulk |
| ADM1485ARM-REEL | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin MSOP T/R |
| ADM1485ARM-REEL7 | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin MSOP T/R |
| ADM1485ARMZ | 功能描述:IC TXRX RS485 SGL DIFF 8MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| ADM1485ARMZ-REEL | 功能描述:IC TXRX RS485 SGL DIFF 8MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
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