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-IO Expansion Board
Table 3-14:
Output Specifications (TB202, TB203)
PS2802-4 Opto Device Specifications
Maximum Voltage
Maximum Sink/Source Current
Output Saturation Voltage
Output Resistance
Rise / Fall Time
Maximum Output Frequency
N O T E : Outputs must be connected as all sourcing or all sinking.
TB202
OUTPUT SWITCHES
EACH OUTPUT 80 mA MAXIMUM
1
DIODE REQUIRED ON EACH OUTPUT THAT DRIVES AN INDUCTIVE DEVICE (COIL), SUCH AS A RELAY.
2
3
CONNECTION REQUIRED TO MINIMIZE GLITCHING
Figure 3-8:
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80 mA/channel @ 20°C; 60 mA/channel @ 50°C
OP
TB202-1
1
OPTOOUT0
TB202-3
OPTOOUT1
TB202-4
OPTOOUT2
TB202-5
OPTOOUT3
TB202-6
+
LOAD
-
3
OM
TB202-2
Outputs Connected in Current Sourcing Mode
Chapter 3
Value
24 V maximum
2.75 V at maximum current
33 Ω
250 usec (typical)
1 kHz
+
LOAD
-
+
LOAD
-
+
LOAD
-
Ensemble CL
2
5-24 VDC
+
-
67
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