English
Language : 

XR33032 Datasheet, PDF (7/19 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: VCC = +2.8V to +5.5V, TA = -40C to +85C. Typical values are at VCC = 3.3V, TA = +25°C.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
DRIVER AC CHARACTERISTICS
tDPLH
Driver Prop. Delay (Low to High)
tDPHL
Driver Prop. Delay (High to Low)
|tDPLH-tDPHL| Differential Driver Output Skew
tDR, tDF
Driver Differential Output
Rise or Fall Time
Maximum Data Rate
tDZH
Driver Enable to Output High
tDZL
tDHZ
tDLZ
tDZH(SHDN)
Driver Enable to Output Low
Driver Disable from Output High
Driver Disable from Output Low
Driver Enable from Shutdown to
Output High
tDZL(SHDN)
Driver Enable from Shutdown to
Output Low
tSHDN
Time to Shutdown
XR33038 (10Mbps)
30
ns
30
ns
CL = 50pF, RL = 54,
5
ns Figure 6
25
ns
10
Mbps 1/tUI, Duty Cycle 40 to 60%
50
ns
50
ns CL = 50pF, RL = 500,
50
ns Figure 7
50
ns
250 ns
CL = 50pF, RL = 500,
Figure 7
250 ns
50 200 600 ns Notes 3
RECEIVER AC CHARACTERISTICS
XR33038 (10Mbps)
tRPLH
Receiver Prop. Delay (Low to High)
tRPHL
Receiver Prop. Delay (High to Low)
|tRPLH-tRPHL| Receiver Propagation Delay Skew
50
ns
CL = 15pF, VID = ±2V,
50
ns VID Rise and Fall times < 15ns
5
ns Figure 8
Maximum Data Rate
10
Mbps 1/tUI, Duty Cycle 40 to 60%
tRZH
Receiver Enable to Output High
50
ns
tRZL
Receiver Enable to Output Low
tRHZ
Receiver Disable from Output High
50
ns CL = 15pF, RL = 1k,
50
ns Figure 9
tRLZ
Receiver Disable from Output Low
50
ns
tRZH(SHDN)
tRZL(SHDN)
Receiver Enable from Shutdown
to Output High
Receiver Enable from Shutdown
to Output Low
2200
2200
ns
CL = 15pF, RL = 1k,
Figure 9
ns
tSHDN
Time to Shutdown
50 200 600 ns Notes 3
7