COP8ACC Datasheet, PDF (8/43 Pages) National Semiconductor (TI) – 8-Bit CMOS ROM Based and OTP Microcontrollers with 4k or 16k Memory and High Resolution A/D

Comparator AC and DC Characteristics
V_CC = 5V, −40˚C ≤ T_A ≤ +85˚C
Parameter
Input Offset Voltage
Conditions
0.4V < V_IN < V_CC
−1.5V
Input Common Mode Voltage Range (Note
17)
Voltage Gain
V_CC/2 Reference
4.0V < V_CC < 5.5V
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
Current Source Enable Time
Comparator Response Time
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
10 mV overdrive,
100 pF load
Min
0.4
0.5 V_CC
−0.04
7
Typ
10
300k
0.5V_CC
50
20
1.5
Max
25
V_CC −1.5
0.5V_CC
+0.04
250
80
200
32
2
2
1
Units
mV
V
V/V
V
µA
µA
µA
µA
µA
µs
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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