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參數(shù)資料
| 型號(hào)： | MAX3140CEI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4x4 1.5 Gbps LVDS Crosspoint Switch 38-TSSOP -40 to 85 |
| 中文描述： | 1 CHANNEL(S), 240K bps, SERIAL COMM CONTROLLER, PDSO28 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-28 |
| 文件頁(yè)數(shù)： | 3/36頁(yè) |
| 文件大?。?/td> | 468K |
| 代理商： | MAX3140CEI |
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M
SPI/MICROWIRE-Compatible UART with Integrated
True Fail-Safe RS-485/RS-422 Transceivers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +5V ±5%, DE = V
CC
,
RE
= GND,
SHDN
= V
CC
, f
XTL
= 1.8432MHz, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are measured with V
CC
= +5V, UART configured for 9600 baud, T
A
= +25°C.) (Note 1)
R = 50
or R = 27
, Figure 1
R = 50
or R = 27
, Figure 1 (Note 2)
R = 27
(RS-422), Figure 1
R = 50
(RS-422), Figure 1
No load, Figure 1
V
IRQ
= V
CC
I
SINK
= 4mA
R = 50
or R = 27
, Figure 1 (Note 2)
CONDITIONS
V
3
V
OC
Common-Mode Output
Voltage
V
0.2
V
OD
Change in Magnitude of
Differential Output Voltage
V
1.5
V
OD2
Differential Output Voltage
2.0
5
V
OD1
pF
5
C
OUT2
Output Capacitance
RS-485 DRIVER
μA
±1
I
LKG3
Output Leakage
V
0.4
V
OL2
Output Low Voltage
V
0.2
V
OC
Change In Magnitude of
Common-Mode Voltage
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
(Note 3)
H/
F
, TXP, RXP, internal pull-down
DE, DI,
RE
SRL = V
CC
or unconnected
DE, Dl, RE, H/
F
, TXP, RXP
DE, Dl,
RE
H/
F
, TXP, RXP
SRL = GND (Note 3)
DE = GND
SRL = V
CC
V
V
0.4
·
V
CC
0.6
·
V
CC
0.8
V
IM2
V
IL2
SRL Input Middle Voltage
SRL Input Low Voltage
V
V
CC
- 0.8
V
IH2
SRL Input High Voltage
μA
10
40
I
IN2
Input Current
±2
I
IN1
mV
100
V
HYS
DI Input Hysteresis
V
0.8
V
IL1
Input Low Voltage
2.0
2.4
μA
-75
I
IN3
SRL Input Current
75
(Note 4)
DE = GND
V
CC
= GND or 5.25V
V
CC
= GND or 5.25V
250
-250
μA
125
I
O
Full-Duplex Output Leakage
(Y and Z)
μA
-75
I
IN4
125
Full-Duplex Input Current
(A and B)
mA
±25
I
OSD
Short-Circuit Output Current
-7V
≤
V
CM
≤
+12V
mV
mV
V
-200
-125
25
-50
V
TH
V
TH
V
OH
Input Hysteresis
Output High Voltage
Output Low Voltage
Differential Threshold Voltage
I
SINK
= 4mA, V
ID
= -200mV
0.4V
≤
V
O
≤
2.4V
-7V
≤
V
CM
≤
12V
0
≤
V
RO
≤
V
CC
I
SOURCE
= 4mA, V
ID
= -50mV
V
0.4
±1
V
OL
I
OZR
R
IN
I
OSR
V
CC
- 1.5
μA
k
mA
Three-State Output Current
Input Resistance
96
±7
±95
Output Short-Circuit Current
V
IN
= 12V
V
IN
= -7V
V
IN
= 12V
V
IN
= -7V
-7V
≤
V
OUT
≤
V
CC
0
≤
V
OUT
≤
12V
0
≤
V
OUT
≤
V
CC
-100
V
V
IH1
Input High Voltage
UART
IRQ
OUTPUT
(Open Drain)
RS-485 RECEIVER
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MAX3140CEI+ | 功能描述:UART 接口集成電路 SPI/uWire Compatible RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| MAX3140CEI+T | 功能描述:UART 接口集成電路 SPI/uWire Compatible RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| MAX3140CEI-T | 功能描述:UART 接口集成電路 RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| MAX3140EEI | 功能描述:UART 接口集成電路 RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| MAX3140EEI+ | 功能描述:UART 接口集成電路 SPI/uWire Compatible RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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