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參數(shù)資料
| 型號(hào)： | MAX3280EAUK-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | Circular Connector; No. of Contacts:2; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:10SL; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:10SL-4 RoHS Compliant: No |
| 中文描述： | LINE RECEIVER, PDSO5 |
| 封裝： | ROHS COMPLIANT, MO178, SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 7/11頁(yè) |
| 文件大?。?/td> | 218K |
| 代理商： | MAX3280EAUK-T |
provide the same clock to their respective circuits.
Thus, minimal package-to-package skew is critical. The
skew must be kept well below the period of the clock
signal to ensure that all of the circuits on the network
are synchronized.
128 Receivers on the Bus
The standard RS-485 input impedance is 12k
(one-
unit load). The standard RS-485 transmitter can drive
32 unit loads. The MAX3280E/MAX3281E/MAX3283E/
MAX3284E present a 1/4-unit-load input impedance
(48k
), which allows up to 128 receivers on the bus.
Any combination of these RS-485 receivers with a total
of 32 unit loads can be connected to the same bus.
Thermal Protection
The MAX3280E/MAX3281E/MAX3283E/MAX3284E fea-
ture thermal protection. Thermal protection sets the out-
put stage in high-impedance mode when a short circuit
occurs at the output, limiting both the power dissipation
and temperature. The thermal temperature threshold is
+165
°
C, with a hysteresis of 20
°
C.
Test Circuits/Timing Diagrams
M
±15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23
RS-485/RS-422 True Fail-Safe Receivers
_______________________________________________________________________________________
7
V
OH
V
OL
A
B
1V
RO
-1V
f
IN
= 1MHz
t
r
, t
f
≤
3ns
OUTPUT
INPUT
V
CC
/2
V
CC
/2
t
PHL
t
PLH
Figure 1. Receiver Propagation Delay
t
PRZH
OUT
EN
OUT
EN
V
CC
/2
V
CC
/2
V
CC
0
V
OH
0
V
CC
0
V
OH
0
FOR MAX3281E THE ENABLE SIGNAL IS INVERTED.
S1 OPEN
S2 CLOSED
S3 = 1.5V
S1 OPEN
S2 CLOSED
S3 = 1.5V
0.25V
t
PRHZ
t
PRLZ
V
CC
/2
0.25V
OUT
EN
OUT
EN
V
CC
0
V
CC
V
OL
V
CC
0
V
CC
V
OL
S1 CLOSED
S2 OPEN
S3 = -1.5V
S1 CLOSED
S2 OPEN
S3 = -1.5V
t
PRZL
V
CC
/2
V
CC
/2
GENERATOR
1.5V
-1.5V
V
ID
R
C
L
1k
S1
V
CC
S2
50
S3
V
CC
/2
Figure 2. MAX3281E/MAX3283E Receiver Enable/Disable Timing
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3280 | 【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers |
| MAX3281EAUT-T | 【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers |
| MAX3284EAUT-T | 【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers |
| MAX3280EAUK | 【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers |
| MAX3280E | 32-Bit Digital Signal Controller with Flash 100-BGA MICROSTAR -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3281EAUT | 制造商:Maxim Integrated Products 功能描述:+/-15KV ESD-PROTECTED 52MBPS 3V TO - Rail/Tube |
| MAX3281EAUT/GH9-T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX3281EAUT+ | 制造商:Maxim Integrated Products 功能描述:LINE RCVR 1RX 6PIN SOT-23 - Rail/Tube |
| MAX3281EAUT+T | 功能描述:RS-422/RS-485 接口 IC 52Mbps 3-5.5V RS-485 422 Fail Safe Rcvr RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3281EAUT-T | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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