MAX9140_10 Datasheet, PDF (1/15 Pages) Maxim Integrated Products – 40ns, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparators

19-2064; Rev 3; 1/10
40ns, Low-Power, 3V/5V, Rail-to-Rail
Single-Supply Comparators
General Description
The MAX9140/MAX9141 are single and the MAX9142/
MAX9144 are dual/quad high-speed comparators opti-
mized for systems powered from a 3V or 5V supply. The
MAX9141 features latch enable and device shutdown.
These devices combine high speed, low power, and
rail-to-rail inputs. Propagation delay is 40ns, while sup-
ply current is only 150µA per comparator.
The input common-mode range of the MAX9140/
MAX9141/MAX9142/MAX9144 extends beyond both
power-supply rails. The outputs pull to within 0.3V of
either supply rail without external pullup circuitry, mak-
ing these devices ideal for interface with both CMOS
and TTL logic. All input and output pins can tolerate a
continuous short-circuit fault condition to either rail.
Internal hysteresis ensures clean output switching, even
with slow-moving input signals.
The MAX9140/MAX9141/MAX9142/MAX9144 are high-
er-speed, lower-power, and lower-cost upgrades to
industry-standard comparators MAX941/MAX942/
MAX944.
The MAX9140 are offered in tiny 5-pin SC70 and SOT23
packages. The MAX9141 and MAX9142 are available in
8-pin SOT23 and SO packages, while the MAX9144 is
available in both 14-pin SO and TSSOP packages.
Applications
Line Receivers
Battery-Powered Systems
Threshold Detectors/Discriminators
3V/5V Systems
Zero-Crossing Detectors
Sampling Circuits
Features
♦ Fast, 40ns Propagation Delay (10mV Overdrive)
♦ Low Power
150µA Supply Current Per Comparator (3V)
♦ Optimized for 3V and 5V Applications
♦ Rail-to-Rail Input Voltage Range
♦ Low, 500µV Offset Voltage
♦ Internal Hysteresis for Clean Switching
♦ Outputs Swing 300mV of Power Rails
♦ CMOS/TTL-Compatible Outputs
♦ Output Latch (MAX9141 Only)
♦ Shutdown Function (MAX9141 Only)
♦ Available in SC70 and SOT23 Packages
Ordering Information
PART*
PIN-PACKAGE
TOP MARK
MAX9140AAUK+T 5 SOT23
+AFEJ
MAX9140AAXK+T
5 SC70
+ASW
MAX9140AAXK/V+T 5 SC70
+AUG
MAX9140EXK-T
5 SC70
ACC
MAX9140EUK-T
5 SOT23
ADQP
MAX9141EKA-T
8 SOT23
AAFD
MAX9141ESA
8 SO
—
MAX9142EKA-T
8 SOT23
AAFE
MAX9142ESA
8 SO
—
MAX9144EUD
14 TSSOP
—
MAX9144ESD
14 SO
—
Note: All E-grade devices are specified over the -40°C to +85°C
operating temperature range. All A-grade devices are specified
over the -40°C to +125°C operating temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
-Denotes a package containing lead(Pb).
T = Tape and reel.
/V denotes an automotive qualified part.
Pin Configurations
TOP VIEW
OUT 1
GND 2
IN+ 3
MAX9140
5 V_CC
V_CC 1
IN+ ²
IN- 3
GND 4
4 IN-
SC70/SOT23
MAX9141
SOT23/SO
8 N.C.
7 OUT
6 SHDN
5 _LE
OUTA 1
INA- ² _A
INA+ ³
GND ⁴
MAX9142
B
SOT23/SO
OUTA ₁
8 V_CC
7 OUTB
6 INB-
5 _INB+
INA- ₂
INA+ ₃
V_CC 4
INB+ ₅
INB- 6
OUTB ₇
14 ^OUTD
13 ^IND-
A
D
12 ^IND+
MAX9144
B
C
11 GND
10 INC+
9 INC-
8 OUTC
TSSOP/SO
________________________________________________________________Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.