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19-1862; Rev 4; 1/07
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
General Description
The MAX9117–MAX9120 nanopower comparators in
space-saving SC70 packages feature Beyond-the-
Rails™ inputs and are guaranteed to operate down to
+1.6V. The MAX9117/MAX9118 feature an on-board
1.252V ±1.75% reference and draw an ultra-low supply
current of only 600nA, while the MAX9119/MAX9120
(without reference) require just 350nA of supply current.
These features make the MAX9117–MAX9120 family of
comparators ideal for all 2-cell battery-monitoring/man-
agement applications.
The unique design of the output stage limits supply-cur-
rent surges while switching, virtually eliminating the sup-
ply glitches typical of many other comparators. This
design also minimizes overall power consumption under
dynamic conditions. The MAX9117/MAX9119 have a
push-pull output stage that sinks and sources current.
Large internal-output drivers allow rail-to-rail output
swing with loads up to 5mA. The MAX9118/MAX9120
have an open-drain output stage that makes them suit-
able for mixed-voltage system design. All devices are
available in the ultra-small 5-pin SC70 package.
Features
♦
Space-Saving SC70 Package (Half the Size of
SOT23)
♦
Ultra-Low Supply Current
350nA Per Comparator (MAX9119/MAX9120)
600nA Per Comparator with Reference
(MAX9117/MAX9118)
♦
Guaranteed to Operate Down to +1.6V
♦
Internal 1.252V ±1.75% Reference
(MAX9117/MAX9118)
♦
Input Voltage Range Extends 200mV
Beyond-the-Rails
♦
CMOS Push-Pull Output with ±5mA Drive
Capability (MAX9117/MAX9119)
♦
Open-Drain Output Versions Available
(MAX9118/MAX9120)
♦
Crowbar-Current-Free Switching
♦
Internal Hysteresis for Clean Switching
♦
No Phase Reversal for Overdriven Inputs
MAX9117–MAX9120
Ordering Information
Applications
PART
2-Cell Battery Monitoring/Management
Ultra-Low-Power Systems
Mobile Communications
Notebooks and PDAs
Threshold Detectors/Discriminators
Sensing at Ground or Supply Line
Telemetry and Remote Systems
Medical Instruments
PIN-
PACKAGE
5 SC70-5
8 SO
5 SC70-5
5 SC70-5
5 SC70-5
8 SO
TOP
MARK
ABW
—
ABX
ABY
ABZ
—
PKG
CODE
X5-1
S8-2
X5-1
X5-1
X5-1
S8-2
MAX9117EXK-T
MAX9117ESA+
MAX9118EXK-T
MAX9119EXK-T
MAX9120EXK-T
MAX9120ESA+
Note:
All devices specified for over -40°C to +85°C operating
temperature range.
+
Denotes lead-free package.
Selector Guide
PART
MAX9117
MAX9118
MAX9119
MAX9120
INTERNAL
REFERENCE
Yes
Yes
No
No
OUTPUT
TYPE
Push-Pull
Open-Drain
Push-Pull
Open-Drain
SUPPLY
CURRENT
(nA)
600
600
350
350
IN+
3
V
EE
2
Pin Configurations
TOP VIEW
OUT
1
5
V
CC
N.C.
1
IN- (REF)
2
IN+
3
4
IN- (REF)
V
EE
4
8
N.C.
V
CC
OUT
N.C.
MAX9117
MAX9118
MAX9119
MAX9120
MAX9117
MAX9120
7
6
5
Typical Application Circuit appears at end of data sheet.
Beyond-the-Rails is a trademark of Maxim Integrated Products, Inc.
SC70
SO
( ) ARE FOR MAX9117/MAX9118.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
MAX9117–MAX9120
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
CC
to V
EE
)..................................................+6V
Voltage Inputs (IN+, IN-, REF) .........(V
EE
- 0.3V) to (V
CC
+ 0.3V)
Output Voltage
MAX9117/MAX9119 ....................(V
EE
- 0.3V) to (V
CC
+ 0.3V)
MAX9118/MAX9120 ..................................(V
EE
- 0.3V) to +6V
Current Into Input Pins......................................................±20mA
Output Current..................................................................±50mA
Output Short-Circuit Duration .................................................10s
Continuous Power Dissipation (T
A
= +70°C)
5-Pin SC70 (derate 2.5mW/°C above +70°C) .............200mW
8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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.
ELECTRICAL CHARACTERISTICS—MAX9117/MAX9118 (with REF)
(V
CC
= +5V, V
EE
= 0V, V
IN+
= V
REF
, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Supply Voltage Range
SYMBOL
V
CC
CONDITIONS
Inferred from the PSRR T
A
= +25°C
test
T
A
= T
MIN
to T
MAX
V
CC
= 1.6V
Supply Current
I
CC
V
CC
= 5V
T
A
= +25°C
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
EE
-
0.2
1
4
0.15
0.1
1
2
1
mV/V
V
CC
= 1.8V to 5.5V, T
A
= T
MIN
to T
MAX
MAX9117, V
CC
= 5V,
I
SOURCE
= 5mA
Output Voltage Swing High
V
CC
- V
OH
MAX9117,
I
SOURCE
= 1mA
V
CC
= 5V, I
SINK
= 5mA
Output Voltage Swing Low
V
OL
I
SINK
= 1mA
Output Leakage Current
I
LEAK
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
CC
= 1.6V, T
A
= +25°C
V
CC
= 1.8V,
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
CC
= 1.6V, T
A
= +25°C
V
CC
= 1.8V,
T
A
= T
MIN
to T
MAX
0.002
35
3
35
3
16
14
µs
mA
V
CC
= 5V
V
CC
= 1.6V
V
CC
= 5V
V
CC
= 1.6V
100
190
100
190
1
400
500
200
300
400
500
200
300
1
µA
mV
mV
MIN
1.6
1.8
0.60
0.68
TYP
MAX
5.5
V
5.5
1
1.3
1.6
V
CC
+
0.2
5
10
V
mV
mV
nA
µA
UNITS
IN+ Voltage Range
Input Offset Voltage
Input-Referred Hysteresis
Input Bias Current
V
IN+
V
OS
V
HB
I
B
Inferred from output swing test
(Note 2)
(Note 3)
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
CC
= 1.6V to 5.5V, T
A
= +25°C
T
A
= +25°C
T
A
= T
MIN
to T
MAX
Power-Supply Rejection Ratio
PSRR
MAX9118 only, V
O
= 5.5V
Sourcing, V
O
= V
EE
Output Short-Circuit Current
I
SC
Sinking, V
O
= V
CC
High-to-Low Propagation Delay
(Note 4)
t
PD
-
V
CC
= 1.6V
V
CC
= 5V
2
_______________________________________________________________________________________
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
ELECTRICAL CHARACTERISTICS—MAX9117/MAX9118 (with REF) (continued)
(V
CC
= +5V, V
EE
= 0V, V
IN+
= V
REF
, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
MAX9117 only
Low-to-High Propagation Delay
(Note 4)
t
PD+
MAX9118 only
V
CC
= 5V,
R
PULLUP
= 100kΩ
Rise Time
Fall Time
Power-Up Time
Reference Voltage
Reference Voltage Temperature
Coefficient
Reference Output Voltage Noise
Reference Line Regulation
Reference Load Regulation
t
RISE
t
FALL
t
ON
V
REF
TC
REF
E
N
∆V
REF
/
∆V
CC
∆V
REF
/
∆I
OUT
BW = 10Hz to 100kHz
BW = 10Hz to 100kHz, C
REF
= 1nF
V
CC
= 1.6V to 5.5V
∆I
OUT
= 10nA
T
A
= +25°C
T
A
= T
MIN
to T
MAX
1.230
1.196
100
1.1
0.2
0.25
±1
MAX9117 only, C
L
= 15pF
C
L
= 15pF
45
1.6
0.2
1.2
1.252
1.274
1.308
µs
µs
ms
V
ppm/
°C
mV
RMS
mV/V
mV/
nA
CONDITIONS
V
CC
= 1.6V
V
CC
= 5V
V
CC
= 1.6V, R
PULLUP
= 100kΩ
MIN
TYP
15
40
16
µs
MAX
UNITS
MAX9117–MAX9120
ELECTRICAL CHARACTERISTICS—MAX9119/MAX9120 (without REF)
(V
CC
= +5V, V
EE
= 0V, V
CM
= 0V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Supply Voltage Range
SYMBOL
V
CC
CONDITIONS
Inferred from the
PSRR test
T
A
= +25°C
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
EE
-
0.2
1
MIN
1.6
1.8
0.35
0.45
TYP
MAX
5.5
V
5.5
0.80
0.80
1.2
V
CC
+
0.2
5
mV
T
A
= T
MIN
to T
MAX
4
0.15
75
V
CC
= 1.6V to 5.5V, T
A
= +25°C
Power-Supply Rejection Ratio
Common-Mode Rejection Ratio
PSRR
V
CC
= 1.8V to 5.5V, T
A
= T
MIN
to T
MAX
CMRR
(V
EE
- 0.2V)
≤
V
CM
≤
(V
CC
+ 0.2V)
0.5
1
3
mV/V
0.1
1
mV/V
1
2
10
mV
nA
pA
V
µA
UNITS
V
CC
= 1.6V, T
A
= +25°C
Supply Current
Input Common-Mode
Voltage Range
Input Offset Voltage
Input-Referred Hysteresis
Input Bias Current
Input Offset Current
I
CC
V
CC
= 5V
V
CM
Inferred from the CMRR test
-0.2V
≤
V
CM
≤
(V
CC
+ 0.2V)
(Note 2)
T
A
= +25°C
V
OS
V
HB
I
B
I
OS
-0.2V
≤
V
CM
≤
(V
CC
+ 0.2V) (Note 3)
T
A
= +25°C
T
A
= T
MIN
to T
MAX
_______________________________________________________________________________________
3
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
MAX9117–MAX9120
ELECTRICAL CHARACTERISTICS—MAX9119/MAX9120 (without REF) (continued)
(V
CC
= +5V, V
EE
= 0V, V
CM
= 0V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MAX9119 only, V
CC
=
5V, I
SOURCE
= 5mA
Output Voltage Swing High
V
CC
-
V
OH
MAX9119 only,
I
SOURCE
= 1mA
V
CC
= 5V,
I
SINK
= 5mA
Output Voltage Swing Low
V
OL
I
SINK
= 1mA
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
CC
= 1.6V,
T
A
= +25°C
V
CC
= 1.8V,
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
CC
= 1.6V,
T
A
= +25°C
V
CC
= 1.8V,
T
A
= T
MIN
to T
MAX
0.001
35
3
35
3
16
14
15
40
16
45
1.6
0.2
1.2
µs
µs
ms
µs
µs
mA
V
CC
= 5V
V
CC
= 1.6V
V
CC
= 5V
V
CC
= 1.6V
V
CC
= 1.6V
V
CC
= 5V
MAX9119 only
Low-to-High Propagation Delay
(Note 4)
t
PD+
MAX9120 only
V
CC
= 1.6V
V
CC
= 5V
V
CC
= 1.6V,
R
PULLUP
= 100kΩ
V
CC
= 5V,
R
PULLUP
= 100kΩ
Rise Time
Fall Time
Power-Up Time
t
RISE
t
FALL
t
ON
MAX9119 only, C
L
= 15pF
C
L
= 15pF
100
190
100
MIN
TYP
190
MAX
400
500
200
300
400
500
200
300
1
µA
mV
mV
UNITS
Output Leakage Current
I
LEAK
MAX9120 only, V
O
= 5.5V
Sourcing, V
O
= V
EE
Output Short-Circuit Current
I
SC
Sourcing, V
O
= V
CC
High-to-Low Propagation Delay
(Note 4)
t
PD-
Note 1:
All specifications are 100% tested at T
A
= +25°C. Specification limits over temperature (T
A
= T
MIN
to T
MAX
) are guaranteed
by design, not production tested.
Note 2:
V
OS
is defined as the center of the hysteresis band at the input.
Note 3:
The hysteresis-related trip points are defined as the edges of the hysteresis band, measured with respect to the center of
the band (i.e., V
OS
) (Figure 2).
Note 4:
Specified with an input overdrive (V
OVERDRIVE
) of 100mV, and load capacitance of C
L
= 15pF. V
OVERDRIVE
is defined
above and beyond the offset voltage and hysteresis of the comparator input. For the MAX9117/MAX9118, reference voltage
error should also be added.
4
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