參數(shù)資料
型號： MAX3250EAI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 通用總線功能
英文描述： 32-Bit Digital Signal Controller with Flash 100-LQFP -40 to 125
中文描述： DUAL LINE TRANSCEIVER, PDSO28
封裝： 5.30 MM, MO-150, SSOP-28
文件頁數(shù)： 3/10頁
文件大小： 232K
代理商： MAX3250EAI
M
±50V Isolated, 3.0V to 5.5V,
250kbps, 2 TX/2 RX, RS-232 Transceiver
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 3.0V to 5.5V, see
Typical Operating Circuit
and Table 1 for capacitor values, ISOCOM = GND, T
A
= T
MIN
to T
MAX
, unless oth-
erwise noted. Typical values are at V
CC
= 3.3V and T
A
= +25
°
C.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RECEIVER INPUTS
(relative to ISOCOM)
Input Voltage Range
-25
+25
0.6
0.8
V
V
CC
= 3.3V
V
CC
= 5.0V
V
CC
= 3.3V
V
CC
= 5.0V
1.2
1.3
1.6
1.7
0.5
5
Input Threshold Low
T
A
= +25
°
C
V
2.4
2.4
Input Threshold High
T
A
= +25
°
C
V
Input Hysteresis
Input Resistance
TRANSMITTER OUTPUTS
(relative to ISOCOM)
Output Voltage Swing
Output Resistance
Output Short-Circuit Current
Output Leakage Current
V
T
A
= +25
°
C
3
7
k
All transmitter outputs loaded with 3k
to ISOCOM
ISOV
CC
= V+ = V- = 0V, T_OUT =
±
2V
±
5.0
300
-60
-25
±
5.4
10M
V
mA
μA
+60
+25
V
CC
= 0 or 3V to 5.5V, T_OUT =
±
12V,
SHDN
= GND
TIMING CHARACTERISTICS
(V
CC
= 3.0V to 5.5V, see
Typical Operating Circuit
and Table 1 for capacitor values, ISOCOM = GND, T
A
= T
MIN
to T
MAX
, unless oth-
erwise noted. Typical values are at V
CC
= 3.3V and T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
250
TYP
MAX
UNITS
kbps
μs
ns
ns
Maximum Data Rate
Receiver Propagation Delay
Receiver Skew
Transmitter Skew
R
L
= 3k
, C
L
= 1000pF to ISOCOM, one transmitter
R_IN to R_OUT, C
L
= 150pF to GND
|
t
PHL
- t
PLH
|
|
t
PHL
- t
PLH
|
(Note 3)
0.4
100
120
C
L
= 150pF to 1000pF
to ISOCOM
6
30
Transition-Region Slew Rate
V
CC
= 3.3V, T
A
= +25
°
C,
R
L
= 3k
to 7k
to ISOCOM,
measured from +3V to -3V or
-3V to +3V
C
L
= 150pF to 2500pF
to ISOCOM
4
30
V/μs
FAULT
Propagation Delay
Time to Shutdown
0.3
0.5
300
350
μs
μs
V
ISOCOM
= GND
V
ISOCOM
=
±
50V
Time to Exit Shutdown
μs
Note 2:
All currents into the device are positive; all currents out of the device are negative. All voltages are referenced to device
ground, unless otherwise noted.
Note 3:
Transmitter skew is measured at the transmitter zero crosspoints.
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