Rainbow Electronics MAX998 User Manual
Page 2
mV
MAX976/MAX978/MAX998
Single/Dual/Quad, SOT23, Single-Supply,
High-Speed, Low-Power Comparators
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= +2.7V to +5.5V, V
CM
= 0V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Supply Voltage (V
CC
).............................................................+6V
SHDN (MAX998) .........................................................-0.3V to 6V
All Other Pins..............................................-0.3V to (V
CC
+ 0.3V)
Duration of Output Short Circuit to GND or V
CC
........Continuous
Continuous Power Dissipation (T
A
= +70°C)
6-Pin SOT23-6 (derate 7.1mW/°C above +70°C) .........571mW
8-Pin µMAX (derate 4.10mW/°C above +70°C) ............330mW
8-Pin SO (derate 5.88mW/°C above +70°C).................471mW
16-Pin Narrow SO (derate 8.70mW/°C above +70°C) ..696mW
16-Pin QSOP (derate 8.33mW/°C above +70°C)..........667mW
Operating Temperature Range ..........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
V
CC
= 5.5V
MAX998 only, SHDN = GND
I
SINK
= 2mA
V
CC
= 5.5V
Inferred from PSRR test
V
CC
= 5V (Note 4)
2.7V < V
CC
< 5.5V
CONDITIONS
mA
90
OUT Short-Circuit Current
74
I
SH
V
0.1
0.4
V
OL
OUT Output Voltage Low
nA
±5
±100
I
OS
Input Offset Current
mV
V
HYS
0.5
1.5
4
Input-Referred Hysteresis
nA
1
500
I
SD
Shutdown Supply Current
300
650
V
2.7
5.5
V
CC
Supply Voltage Range
dB
63
100
PSRR
Power-Supply Rejection Ratio
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
C
LOAD
=10pF (Note 6)
ns
2
t
SKEW
Propagation-Delay Skew
MAX976/MAX978 only
ns
1
∆
t
PD
Propagation-Delay Matching
Between Channels
Sinking
Sourcing
Overdrive = 50mV
ns
20
40
t
PD
Propagation Delay
I
SOURCE
= 2mA,
V
CC
- V
OH
V
0.1
0.4
V
OH
OUT Output Voltage High
(Note 2)
V
-0.2
V
CC
- 1.2
V
CMR
Common-Mode Voltage Range
-0.2V
≤
V
CM
≤
(V
CC
- 1.2V)
dB
66
95
CMRR
Common-Mode Rejection Ratio
V
CC
= 5V (Note 3)
mV
0.2
±2
V
OS
Input Offset Voltage
T
A
= +25°C
T
A
= T
MIN
to T
MAX
±3
pF
Input Capacitance
3
C
IN
28
C
LOAD
=10pF,
V
CC
= 5V (Note 5)
Overdrive = 5mV
MAX998 only
V
SHDN Input Voltage High
0.65 x V
CC
V
IH
MAX998 only
V
SHDN Input Voltage Low
0.2 x V
CC
V
IL
MAX998 only, SHDN = GND,
V
OUT
= 0V to V
CC
nA
OUT Leakage Current
1
200
I
OUT
MAX998 only
nA
SHDN Input Current
1
200
I
SHDN
C
LOAD
=10pF
ns
1.6
t
R
/t
F
Output Rise/Fall Time
MAX998 only, V
CC
= 5V, I
CC
= 10% of typical
µs
5
t
SD
Shutdown Delay Time
V
CC
= 2.7V
µA
225
I
CC
Supply Current per Comparator
0.3
1.5
5
nA
I
B
75
300
Input Bias Current
All others
MAX976EUA, MAX998EUT