XR33032 Datasheet, PDF (5/19 Pages) Exar Corporation – WIDE SUPPLY 18V TOLERANT RS-485/RS-422 TRANSCEIVERS

XR33032/35/38
REV. 1.0.0
WIDE SUPPLY 18V TOLERANT RS-485/RS-422 TRANSCEIVERS
Unless otherwise noted: V_CC = +2.8V to +5.5V, T_A = -40C to +85C. Typical values are at V_CC = 3.3V, T_A = +25°C.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
DRIVER AC CHARACTERISTICS
t_DPLH
Driver Prop. Delay (Low to High)
t_DPHL
Driver Prop. Delay (High to Low)
|t_DPLH-t_DPHL| Differential Driver Output Skew
t_DR, t_DF
Driver Differential Output
Rise or Fall Time
Maximum Data Rate
t_DZH
Driver Enable to Output High
t_DZL
t_DHZ
t_DLZ
t_DZH(SHDN)
Driver Enable to Output Low
Driver Disable from Output High
Driver Disable from Output Low
Driver Enable from Shutdown to
Output High
t_DZL(SHDN)
Driver Enable from Shutdown to
Output Low
t_SHDN
Time to Shutdown
XR33032 (250kbps)
250
1500 ns
250
1500 ns
C_L = 50pF, R_L = 54,
20 200 ns _{Figure 6}
350
1600 ns
250
kbps 1/t_UI, Duty Cycle 40 to 60%
200 2500 ns
200 2500 ns _{CL = 50pF, RL = 500,}
6
100 ns ^{Figure 7}
6
100 ns
5500
5500
ns
C_L = 50pF, R_L = 500,
Figure 7
ns
50 200 600 ns Notes 3
RECEIVER AC CHARACTERISTICS
XR33032 (250kbps)
t_RPLH
Receiver Prop. Delay (Low to High)
t_RPHL
Receiver Prop. Delay (High to Low)
|t_RPLH-t_RPHL| Receiver Propagation Delay Skew
200 ns
C_L = 15pF, V_ID = ±2V,
200 ns _{VID Rise and Fall times < 15nsï€} 
30
ns ^{Figure 8}
Maximum Data Rate
250
kbps 1/t_UI, Duty Cycle 40 to 60%
t_RZH
Receiver Enable to Output High
50
ns
t_RZL
Receiver Enable to Output Low
t_RHZ
Receiver Disable from Output High
50
ns _{CL = 15pF, RL = 1k,}
50
ns ^{Figure 9}
t_RLZ
Receiver Disable from Output Low
50
ns
t_RZH(SHDN)
t_RZL(SHDN)
Receiver Enable from Shutdown
to Output High
Receiver Enable from Shutdown
to Output Low
3500
3500
ns
C_L = 15pF, R_L = 1k,
Figure 9
ns
t_SHDN
Time to Shutdown
50 200 600 ns Notes 3
5