SP332 Datasheet, PDF (3/11 Pages) Sipex Corporation – RS-232/RS-485 Multi-Mode Serial Transceiver

Limits are specified at T_A = 25°C and V_CC = +5.0V unless otherwise noted.
PARAMETER
MIN. TYP. MAX.
RS-485 DRIVER (Continued)
AC Characteristics
Driver Skew
5
10
Driver Rise or Fall Time
3
15
40
RS-485 RECEIVER
DC Characteristics
Differential Input Threshold
-0.2
+0.2
Input Hysteresis
70
Output Voltage HIGH
3.5
Output Voltage LOW
0.4
Input Resistance
12
15
Input Current (A, B); V_IN = 12V
1.5
Input Current (A, B); V_IN = -7V
Short Circuit Current
AC Characteristics
Receiver Data Rate
Receiver Data Rate
Receiver Input to Output t_PLH
Receiver Input to Output t_PHL
Differential Receiver Skew
|t_PHL - t_PLH|
RS-232 DRIVER
DC Characteristics
TTL Input Level V_IL
TTL Input Level V_IH
High Level Voltage Output
Low Level Voltage Output
Open Circuit Output
Short Circuit Current
Power Off Impedance
AC Characteristics
Transmission Rate
Transition Time
10
2.0
+5.0
-15.0
300
120
-0.8
85
8
130
250
130
250
13
0.8
+15.0
-5.0
+/-15
+/-100
1.56
SPECIFICATIONS (continued)
UNITS CONDITIONS
ns From Output to Output; See Figures
3 and 5
ns
From 10% to 90%; R_DIFF = 54Ω, C_L1
= C_L2 = 100pF; See Figures 3 and 5
Volts
mV
Volts
Volts
kΩ
mA
mA
mA
-7V ≤ V_CM ≤ 12V
V_CM = 0V
I_O = -4mA, V_ID = +200mV
I_O = +4mA, V_ID = -200mV
-7V ≤ V_CM ≤ 12V
V_IN = 12V, A is the non-inverting
receiver input. B is the inverting
receiver input
V_IN = -7V
0V ≤ V_CM ≤ V_CC
Mbps
Mbps
ns
ns
ns
T_A = +85°C, Note 1
R_DIFF = 54Ω, C_L1 = C_L2 = 100pF;
Figures 3 and 6
R_DIFF = 54Ω, C_L1 = C_L2 = 100pF;
Figures 3 and 6
R_DIFF = 54Ω, C_L1 = C_L2 = 100pF;
Figures 3 and 6
Volts
Volts
Volts
Volts
Volts
mA
Ω
Applies to transmitter inputs, SEL A,
SEL B, SD and LB
Applies to transmitter inputs, SEL A,
SEL B, SD and LB
R_L = 3kΩ to GND
R_L = 3kΩ to GND
R_L = ∞
V_OUT = 0V
V_CC = 0V; V_OUT = +/-2V
kbps
µs
Rise/Fall time, +3V to -3V; -3V to
+3V, R_L = 3kΩ, C_L = 2500pF
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP332_100_012610