COP8ACC5 Datasheet, PDF (8/41 Pages) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 4k Memory and High Resolution A/D

Comparator AC and DC Characteristics
V_CC = 5V, −40˚C ≤ T_A ≤ +85˚C
Parameter
Conditions
Input Offset Voltage
0.4V < V_IN < V_CC
−1.5V
Input Common Mode Voltage Range (Note
17)
Min
Typ
Max
Units
10
25
mV
0.4
V_CC −1.5
V
Voltage Gain
V_CC/2 Reference
4.0V < V_CC < 5.5V
300k
V/V
0.5 V_CC
0.5V_CC
0.5V_CC
V
−0.04
+0.04
DC Supply Current
For Comparator (when enabled)
DC Supply Current
For V_CC/2 reference (when enabled)
DC Supply Current
For Constant Current Source (when enabled)
Constant Current Source
Current Source Variation
V_CC = 5.5V
V_CC = 5.5V
V_CC = 5.5V
4.0V < V_CC < 5.5V
4.0V < V_CC < 5.5V
Temp = Constant
250
µA
50
80
µA
200
µA
7
20
32
µA
2
µA
Current Source Enable Time
Comparator Response Time
10 mV overdrive,
100 pF load
1.5
2
µs
1
µs
Note 17: The device is capable of operating over a common mode voltage range of 0 to V_CC − 1.5V, however increased offset voltage will be observed between 0V
and 0.4V.
DS012865-4
FIGURE 4. MICROWIRE/PLUS Timing
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