MAX1480BCPI Datasheet, PDF (4/21 Pages) Maxim Integrated Products – Complete, Isolated RS-485/RS-422 Data Interface

Complete, Isolated RS-485/RS-422
Data Interface
SWITCHING CHARACTERISTICS—MAX1480A/MAX1490A (continued)
(V_{CC_} = 5V ±10%, FS = V_{CC_}, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at V_{CC_} = 5V and T_A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX
|t_PLH - t_PHL| Differential Receiver
Skew
t_SKD
Figures 5 and 10, R_DIFF = 54Ω, C_L1 = C_L2
= 100pF
20
Maximum Data Rate
Time to Shutdown
Shutdown to Driver Output High
Shutdown to Driver Output Low
f_MAX
t_SHDN
t_ZH(SHDN)
t_ZL(SHDN)
t_PLH, t_PHL < 50% of data period
Figures 6 and 9, C_L = 100pF, S2 closed
Figures 6 and 9, C_L = 100pF, S1 closed
2.5
100
3
10
3
10
UNITS
ns
Mbps
µs
µs
µs
SWITCHING CHARACTERISTICS—MAX1480B/MAX1480C/MAX1490B
(V_{CC_} = 5V ±10%, FS = V_{CC_}, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at V_{CC_} = 5V and T_A = +25°C.)
PARAMETER
Driver Input to Output
Propagation Delay
Driver Output Skew
Driver Rise or Fall Time
SYMBOL
t_PLH
t_PHL
t_SKEW
t_R, t_F
CONDITIONS
Figures 5 and 7, R_DIFF = 54Ω,
C_L1 = C_L2 = 100pF
Figures 5 and 7, R_DIFF = 54Ω,
C_L1 = C_L2 = 100pF
Figures 5 and 7, R_DIFF = 54Ω,
C_L1 = C_L2 = 100pF
MIN
TYP MAX
2
3.0
2
3.0
900 1600
1.0
2.0
Driver Enable to Output High
(MAX1480B Only)
t_ZH
Figures 6 and 8, C_L = 100pF, S2 closed
35
100
Driver Enable to Output Low
(MAX1480B Only)
t_ZL
Figures 6 and 8, C_L = 100pF, S1 closed
35
100
Driver Disable Time from Low
(MAX1480B Only)
t_LZ
Figures 6 and 8, C_L = 15pF, S1 closed
13
50
Driver Disable Time from High
(MAX1480B Only)
t_HZ
Figures 6 and 8, C_L = 15pF, S2 closed
13
50
Driver Enable to Output High
(MAX1480C Only)
t_ZH
Figures 6 and 8, C_L = 100pF, S2 closed
0.5
4.5
Driver Enable to Output Low
(MAX1480C Only)
t_ZL
Figures 6 and 8, C_L = 100pF, S1 closed
0.5
4.5
UNITS
µs
ns
µs
µs
µs
µs
µs
µs
µs
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