MAX975 Maxim, MAX975 Datasheet - Page 4

• Manufacturer Part Number: MAX975
• Description: The MAX975/MAX977 single/dual comparators feature three different operating modes, and are optimized for +3V and +5V single-supply applications
• Manufacturer: Maxim

Single/Dual, +3V/+5V Dual-Speed
Comparators with Auto-Standby
ELECTRICAL CHARACTERISTICS (continued)
(V
T
Note 7:
Note 8:
Note 9:
Note 10: t
Note 11: t
Note 12: t
Note 13: t
Note 14: t
Note 15: t
Note 16: t
4
AUTO-STANDBY/LOW-POWER TIMING (Note 7; Figure 2)
A
Auto-Standby Timeout
Auto-Standby Enable Time
Auto-Standby Wake-Up Time
Auto-Standby Wake-Up Input
or LP Pulse Width
Auto-Standby Comparator
Disable
Low-Power Enable Time
High-Speed Enable Time
Low-Power Comparator Disable
Low-Power STAT_ High
CC
= +25°C.) (Note 1)
_______________________________________________________________________________________
= +2.7V to +5.25V, specifications are for high-speed mode, T
PARAMETER
Timing specifications are guaranteed by design.
Set by 1000pF external capacitor at the STO_ pin. t
Does not include time to go into standby condition (t
t
before STAT_ is low.
STAT_ is low.
ASBE
ASD
PWD
ASCD
LPE
HSE
LPCD
LPSH
is defined as the time from when LP is driven high to when the supply current drops to 5 A.
is defined as the time from when LP goes low to when STAT goes low. The comparator is in high-speed mode before
is defined as the time from the last input transition to when STAT_ goes low. The comparator is in high-speed mode
is defined as the minimum input or LP pulse width to trigger fast-mode operation from auto-standby.
is defined as the time from when LP goes high to when STAT_ goes high.
is defined as the time from when STAT_ goes high to when the supply current drops to 5 A.
is defined as the time from when LP goes low to when the supply current increases to 300 A.
is defined as the time from the last input transition to when the supply current increases to 300 A.
SYMBOL
t
t
t
t
t
t
ASCD
LPCD
t
ASBE
t
LPSH
t
PWD
ASB
ASD
HSE
LPE
(Note 8)
(Note 9)
10mV overdrive (Note 10)
10mV overdrive (Note 11)
(Note 12)
(Note 13)
(Note 14)
(Note 15)
(Note 16)
ASB
ASBE)
CONDITIONS
is defined as the time from last input transition to STAT_ = high.
A
.
= -40°C to +85°C, unless otherwise noted. Typical values are at
MIN
1.6
5
TYP
0.8
1.1
0.7
10
20
3
2
3
MAX
16
4
4
UNITS
ms
µs
µs
µs
µs
µs
µs
µs
ns