20A, 18-Unit-Load, Slew-R" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� MAX1482ESD+T
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩(sh霉)锛� 8/14闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC TXRX RS485/RS422 LP 14-SOIC
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 2,500
椤炲瀷锛� 鏀剁櫦(f膩)鍣�
椹�(q奴)鍕曞櫒/鎺ユ敹鍣ㄦ暩(sh霉)锛� 1/1
瑕�(gu墨)绋嬶細 RS422锛孯S485
闆绘簮闆诲锛� 4.75 V ~ 5.25 V
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 14-SOIC锛�0.154"锛�3.90mm 瀵級
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 14-SOIC
鍖呰锛� 甯跺嵎 (TR)
MAX1482/MAX1483
20A, 18-Unit-Load, Slew-Rate-Limited
RS-485 Transceivers
_______________________________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = 5V 卤5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25掳C.) (Note 1)
SWITCHING CHARACTERISTICS
(VCC = 5V 卤5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25掳C.) (Note 1)
MAX1482,
RE = 0V or VCC
0V
鈮� VO 鈮� VCC
MAX1483,
RE = 0V or VCC
DE = 0V, RE = VCC
DI = high or low, -7V
鈮� VO 鈮� 12V (Note 2)
CONDITIONS
55
85
20
35
25
45
mA
卤7
卤95
IOSR
Receiver Short-Circuit Current
A
20
35
ICC
No-Load Supply Current
A
0.1
10
ISHDN
Supply Current in Shutdown
mA
35
250
IOSD
Driver Short-Circuit Current
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
DE = VCC
DE = 0V
DE = VCC
DE = 0V
Figures 4 and 6, CL = 15pF, S2 closed
Figures 4 and 6, CL = 15pF, S1 closed
Figures 4 and 6, CL = 100pF, S1 closed
Figures 4 and 6, CL = 100pF, S2 closed
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Driver Enable to Output High
tZH
0.2
2
Driver Output Skew to Output
tR, tF
0.25
2
s
Driver Enable to Output Low
tZL
0.1
2
s
Driver Disable Time from Low
tLZ
0.3
3.0
s
Driver Disable Time from High
tHZ
0.3
3.0
s
Driver Input to Output
tPLH
2
tSKEW
800
s
CONDITIONS
Figures 3 and 5, RDIFF = 54
,
CL1 = CL2 = 100pF
Figures 3 and 5, RDIFF = 54
, CL1 = CL2 = 100pF
s
Figures 3 and 5, RDIFF = 54
, CL1 = CL2 = 100pF
Driver Rise or Fall Time
tPHL
2
ns
Receiver Input to Output
tPLH, tPHL Figures 3 and 7, RDIFF = 54
, CL1 = CL2 = 100pF
0.25
2.25
s
| tPLH - tPHL | Differential
Receiver Skew
tSKD
Figures 3 and 7, RDIFF = 54
, CL1 = CL2 = 100pF
160
ns
Receiver Enable to Output Low
tZL
Figures 2 and 8, CRL = 15pF, S1 closed
90
ns
Receiver Enable to Output High
tZH
Figures 2 and 8, CRL = 15pF, S2 closed
90
ns
Receiver Disable Time from Low
tLZ
Figures 2 and 8, CRL = 15pF, S1 closed
90
ns
Receiver Disable Time from High
tHZ
Figures 2 and 8, CRL = 15pF, S2 closed
90
ns
Maximum Data Rate
fMAX
250
kbps
Time to Shutdown
tSHDN
(Note 3)
50
200
600
ns
Driver Enable from Shutdown to
Output High
tZH(SHDN) Figures 4 and 6, CL = 100pF, S2 closed
2
s
Driver Enable from Shutdown to
Output Low
tZL(SHDN)
Figures 4 and 6, CL = 100pF, S1 closed
2
s
Receiver Enable from Shutdown
to Output High
tZH(SHDN)
Figures 2 and 8, CL = 15pF, S2 closed,
A - B = 2V
3
Receiver Enable from Shutdown
to Output Low
tZL(SHDN)
Figures 2 and 8, CL = 15pF, S1 closed,
B - A = 2V
3
s
Note 2: Applies to peak current. See Typical Operating Characteristics.
Note 3: The MAX1482/MAX1483 are put into shutdown by bringing
鈥�
R
鈥�
E
鈥�
high and DE low. If the inputs are in this state for less
than 50ns, the parts are guaranteed not to enter shutdown. If the inputs are in this state for at least 600ns, the parts are
guaranteed to have entered shutdown. See Low-Power Shutdown Mode section.
鐩搁棞(gu膩n)PDF璩囨枡
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MAX14830ETM+T 鍔熻兘鎻忚堪:UART 鎺ュ彛闆嗘垚闆昏矾 Quad Serial UART w/128-Word FIFOs RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:2 鏁�(sh霉)鎿�(j霉)閫熺巼:3 Mbps 闆绘簮闆诲-鏈€澶�:3.6 V 闆绘簮闆诲-鏈€灏�:2.7 V 闆绘簮闆绘祦:20 mA 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�:- 40 C 灏佽 / 绠遍珨:LQFP-48 灏佽:Reel
MAX14830EVKIT# 鍔熻兘鎻忚堪:鐣岄潰闁嬬櫦(f膩)宸ュ叿 MAX14830 Eval Kit RoHS:鍚� 鍒堕€犲晢:Bourns 鐢�(ch菐n)鍝�:Evaluation Boards 椤炲瀷:RS-485 宸ュ叿鐢ㄤ簬瑭曚及:ADM3485E 鎺ュ彛椤炲瀷:RS-485 宸ヤ綔闆绘簮闆诲:3.3 V
MAX14830EVKIT+ 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:QUAD UART EV-KIT WITH IO-LINK AND MULTIPROTOCOL - Boxed Product (Development Kits)
MAX1483C/D+ 鍔熻兘鎻忚堪:RS-485鎺ュ彛IC low-power transceivers for RS-485 and RS-422 communication RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏁�(sh霉)鎿�(j霉)閫熺巼:250 Kbps 宸ヤ綔闆绘簮闆诲:3.3 V 闆绘簮闆绘祦:750 uA 宸ヤ綔婧害鑼冨湇:- 40 C to + 125 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:SOIC-8 灏佽:Tube
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