SP3495E Datasheet, PDF (6/17 Pages) Exar Corporation – HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE

SP3495E-3497E
HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE
REV. 1.0.0
UNLESS OTHERWISE NOTED: VCC = +3.0V TO +3.6V WITH T_A FROM -40^OC TO +85^OC. TYPICAL VALUES ARE AT
VCC = +3.3V AND 25^OC.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
I_OZ
High-Z Receiver Output Current
-1
uA RE = Vcc, V_OUT = 0V
1
uA RE = Vcc, V_OUT = Vcc
I_OSS
Receiver Output Short Circuit
-95
Current
mA V_OUT = 0V
95
mA V_OUT = Vcc
R_IN
Receiver Input Resistance
24
KΩ _{-7V ≤ VCM ≤ 12V}
RECEIVER AC CHARACTERISTICS
freq
Data Signaling Rate
32
Mbps 1/t_UI, Duty Cycle 40 to 60%
t_PLH
Receiver Propagation Delay (Low to
High)
15
40
ns V_ID = +/-2V, C_L = 15pF, Freq =
8MHz, Figure 12 and 13
t_PHL
Receiver Propagation Delay (High to
Low)
15
40
ns V_ID = +/-2V, C_L = 15pF, Freq =
8MHz, Figure 12 and 13
skew
Receiver Propagation Delay Skew
3
ns V_ID = +/-2V, C_L = 15pF, Freq =
8MHz, Figure 12 and 13
skew = |t_PLH-t_PHL|
t_R
Receiver Output Rise Time
1
2
6
ns C_L = 15pF, Freq = 8MHz
t_F
Receiver Output Fall Time
1
2
6
ns C_L = 15pF, Freq = 8MHz
t_ZH
Receiver Enable to Output High
50
ns C_L = 15pF, R_L = 1kΩ,
Figure 14
t_ZL
Receiver Enable to Output Low
50
ns C_L = 15pF, R_L = 1kΩ,
Figure 14
t_HZ
Receiver Output High to Disable
50
ns C_L = 15pF, R_L = 1kΩ,
Figure 14
t_LZ
Receiver Output Low to Disable
50
ns C_L = 15pF, R_L = 1kΩ,
Figure 14
t_ZH(SHDN) Shutdown to Receiver Output Valid
High
6
us C_L = 15pF, R_L = 1kΩ
t_ZL(SHDN) Shutdown to Receiver Output Valid
Low
6
us C_L = 15pF, R_L = 1kΩ
t_SHDN
Time to Shutdown
50
600 ns Note 2 and 3
POWER REQUIRMENTS AND RECOMMENDED OPERATING CONDITIONS
Vcc
Supply Voltage
3.0
3.3
3.6
V
I_CC1
Supply Current - Driver Enabled
5.0 mA DE = Vcc, No Load, RE and DI
= 0V or Vcc
I_CC2
Supply Current - Receiver Enabled
5.0 mA DE = 0V, RE = 0V, No Load
I_CC3
Supply Current - Shutdown Mode
1
6
uA DE = 0V, RE = Vcc, DI = Vcc or
0V
T_SD
Thermal Shutdown Temperature
165
°C
6