MAX9107/MAX9108/MAX9109
25ns, Dual/Quad/Single, Low-Power,
TTL Comparators
General Description
Features
● 25ns Propagation Delay
The MAX9107/MAX9108/MAX9109 dual/quad/single,
high-speed, low-power voltage comparators are designed
for use in systems powered from a single +5V supply.
Their 25ns propagation delay (with 10mV input overdrive)
is achieved with a power consumption of only 1.75mW
per comparator. The wide input common-mode range
extends from 200mV below ground to within 1.5V of the
positive supply rail.
● 350µA (1.75mW) Supply Current Per Comparator
● Single 4.5V to 5.5V Supply Operation
● Wide Input Range Includes Ground
● Low 500µV Offset Voltage
● Internal Hysteresis Provides Clean Switching (2mV)
● TTL-Compatible Outputs
The MAX9107/MAX9108/MAX9109 outputs are TTL-
compatible, requiring no external pullup circuitry. These
easy-to-use comparators incorporate internal hysteresis
to ensure clean output switching even when the devices
are driven by a slow-moving input signal.
● Internal Latch (MAX9109 only)
● Space-Saving Packages:
• 6-Pin SC70 (MAX9109)
• 8-Pin SOT23 (MAX9107)
• 14-Pin TSSOP (MAX9108)
The MAX9107/MAX9108/MAX9109 are higher-speed,
lower-power, lower-cost upgrades to industry-standard
comparators MAX907/MAX908/MAX909. The MAX9109
features an output latch but does not have complemen-
tary outputs.
Ordering Information
PIN-
PACKAGE
TOP
PKG
PART
MARK
CODE
The dual MAX9107 is available in both 8-pin SO and
SOT23 packages. The quad MAX9108 is available
in 14-pin TSSOP and SO packages while the single
MAX9109 is available in an ultra-small 6-pin SC70 pack-
age, a space-saving 6-pin SOT23 package and an 8-pin
SO package.
MAX9107EKA+T
MAX9107ESA+
MAX9108EUD+
MAX9108ESD+
MAX9109EXT+T
MAX9109EUT+T
MAX9109ESA+
8 SOT23-8
8 SO
AAIB
—
K8-5
S8-2
14 TSSOP
14 SO
—
U14-1
S14-1
X6S-1
U6-1
—
6 SC70-6
6 SOT23-6
8 SO
AAU
AARU
—
Applications
S8-2
● Battery Powered Systems ● Threshold Detectors/
Note: All devices are specified over the -40°C to +85°C operat-
ing temperature range.
● A/D Converters
● Line Receivers
Discriminators
● Sampling Circuits
● Zero-Crossing Detectors
Pin Configurations
TOP VIEW
MAX9107
MAX9109
8
7
6
5
OUTA
INA-
1
2
3
4
5
6
7
14 OUTD
13 IND-
12 IND+
11 GND
10 INC+
1
2
3
4
8
7
6
5
1
N.C.
OUT
GND
LE
V
V
OUTA
CC
CC
MAX9109
OUT
GND
IN+
1
2
3
6
5
4
V
CC
OUTB
INB-
2
IN+
IN-
INA-
D
A
INA+
LE
IN-
3
4
INA+
GND
V
CC
MAX9108
INB+
N.C.
INB+
INB-
B
C
SO
SOT23/SO
9
8
INC-
SC70/SOT23
OUTB
OUTC
TSSOP/SO
19-2045; Rev 3; 3/18