參數(shù)資料
型號: MCP6544T
廠商: Microchip Technology Inc.
英文描述: Push-Pull Output Sub-Microamp Comparators
中文描述: 推挽式輸出子微安比較
文件頁數(shù): 3/29頁
文件大?。?/td> 573K
代理商: MCP6544T
2003 Microchip Technology Inc.
DS21696C-page 3
MCP6541/2/3/4
AC CHARACTERISTICS
SPECIFICATIONS FOR MCP6543 CHIP-SELECT
FIGURE 1-1:
Pin on the MCP6543.
Timing Diagram for the CS
FIGURE 1-2:
Diagram.
Propagation Delay Timing
Electrical Specifications:
Unless otherwise indicated, V
DD
= +1.6V to +5.5V, V
SS
= GND, T
A
= +25°C, V
IN
+ = V
DD
/2,
Step = 200 mV, Overdrive = 100 mV, and C
L
= 36 pF (Refer to Figure 1-2 and Figure 1-3).
Parameters
Sym
Min
Typ
Max
Units
Conditions
Rise Time
t
R
t
F
0.85
μs
Fall Time
0.85
μs
Propagation Delay (High-to-Low)
t
PHL
t
PLH
t
PDS
f
MAX
f
MAX
E
N
4
8
μs
Propagation Delay (Low-to-High)
4
8
μs
Propagation Delay Skew
±0.2
μs
(Note 1)
Maximum Toggle Frequency
160
kHz
V
DD
= 1.6V
V
DD
= 5.5V
10 Hz to 100 kHz
120
kHz
Input Noise Voltage
200
μV
P-P
Note
1:
Propagation Delay Skew is defined as: t
PDS
= t
PLH
- t
PHL
.
Electrical Specifications:
Unless otherwise indicated, V
DD
= +1.6V to +5.5V, V
SS
= GND, T
A
= +25°C, V
IN
+ = V
DD
/2, V
IN
= V
SS
,
and C
L
= 36 pF (Refer to Figures 1-1 and 1-3).
Parameters
Sym
Min
Typ
Max
Units
Conditions
CS Low Specifications
CS Logic Threshold, Low
V
IL
V
SS
0.2V
DD
V
CS Input Current, Low
I
CSL
5.0
pA
CS = V
SS
CS High Specifications
CS Logic Threshold, High
V
IH
0.8V
DD
V
DD
V
CS Input Current, High
I
CSH
1
pA
CS = V
DD
CS Input High, V
DD
Current
I
DD
18
pA
CS = V
DD
CS Input High, GND Current
I
SS
-20
pA
CS = V
DD
Comparator Output Leakage
I
O(LEAK)
1
pA
V
OUT
= V
DD
CS Dynamic Specifications
CS Low to Comparator Output Low
Turn-on Time
t
ON
2
50
ms
CS = 0.2 V
DD
to V
OUT
= V
DD
/2,
V
IN
– = V
DD
CS High to Comparator Output
High Z Turn-off Time
t
OFF
10
μs
CS = 0.8 V
DD
to V
OUT
= V
DD
/2,
V
IN
– = V
DD
CS Hysteresis
V
CS_HYST
0.6
V
V
DD
= 5V
V
IL
Hi-Z
t
ON
V
IH
CS
t
OFF
V
OUT
-20 pA, typ.
Hi-Z
I
SS
I
CS
1 pA, typ.
1 pA, typ.
-20 pA, typ.
-0.6 μA, typ.
V
OL
t
PLH
V
OUT
V
IN
100 mV
100 mV
t
PHL
V
OL
V
IN
+ = V
DD
/2
V
OH
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