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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9042 Datasheet

UCSP/SOT23 Comparator + Precision Reference ICs

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MAX9042 pdf
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
General Description
The MAX9038–MAX9043 and MAX9050–MAX9053 feature
combinations of low-power comparators and precision
voltage references. Their operating voltage range makes
them ideal for both 3V and 5V systems. The MAX9039/
MAX9040/MAX9041/MAX9050/MAX9051 have a single
comparator and reference consuming only 40μA of supply
current. The MAX9042/MAX9043/MAX9052/MAX9053
have dual comparators and one reference, and consume
only 55μA of supply current. Low-voltage operation and
low supply current make these devices ideal for battery-
operated systems.
The comparators feature rail-to-rail inputs and outputs,
with a common-mode input voltage range that extends
250mV beyond the supply rails. Input bias current is
typically 1.0pA, and input offset voltage is typically 0.5mV.
Internal hysteresis ensures clean output switching, even
with slow-moving input signals. The output stage features
a unique design that limits supply current surges while
switching, virtually eliminating supply glitches typical of
many other comparators. This design also minimizes
overall power consumption under dynamic conditions.
The comparator outputs have railto-rail, push-pull output
stages except the MAX9038 has an open-drain output
that sinks and sources up to 8mA. The propagation delay
is 400ns, even with the low-operating supply current.
The reference output voltage is set to 1.23V in the MAX9038/
MAX9039, to 2.048V in the MAX9040–MAX9043, and
to 2.500V in the MAX9050–MAX9053. The MAX9040–
MAX9043 and the MAX9050–MAX9053 are offered in two
grades: an A grade with 0.4% initial accuracy and 6ppm/°C
tempco, and a B grade with 1% initial accuracy (except
MAX9038/MAX9039 have an initial accuracy of ±0.4%)
and 100ppm/°C tempco. The voltage references feature a
proprietary curvature-correction circuit and laser-trimmed
thin-film resistors. These series-mode references can sink
or source up to 500μA of load current.
Applications
● Precision Battery
Management
● Window Comparators
● IR Receivers
Level Translators
Digital Line Receivers
Typical Operating Circuit and Functional Diagrams appear at end
of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
Features
● Comparator + Precision Reference in UCSP/SOT23
● 2.5V to 5.5V Single-Supply Operation
(MAX9038–MAX9043)
Low Supply Current (MAX9038/MAX9039/MAX9040/
MAX9041/MAX9050/MAX9051)
• 40μA Quiescent
• 50μA with 100kHz Switching
• Open-Drain Output MAX9038
● 400ns Propagation Delay
● Rail-to-Rail Inputs
● Rail-to-Rail Output Stage Sinks and Sources 8mA
Internal ±3mV Hysteresis
● Voltage Reference Offers
• ±0.4% (max) Initial Accuracy (A Grade)
• 6ppm/°C (typ) Temperature Coefficient (A Grade)
• Stable for 0 to 4.7nF Capacitive Loads
Ordering Information
PART
MAX9038BABT+T
MAX9039BEBT+T
MAX9040AEUK+T
MAX9040BEUK+T
MAX9041AEUT+T
MAX9041BEUT+T
MAX9041AESA
MAX9041BESA
TEMP RANGE
-40°C to +125°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
6 UCSP
6 UCSP
5 SOT23
5 SOT23
6 SOT23
6 SOT23
8 SO
8 SO
TOP
MARK
ADW
AAZ
ADNW
ADNX
AAHF
AAHH
+Denotes lead(Pb)-free/RoHS-compliant package.
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
Pin Configurations
TOP VIEW (BUMPS ON BOTTOM)
TOP VIEW
+
IN+ B1
A1 VEE OUT 1
5 VCC
MAX9038
MAX9039
MAX9040
IN- B2
A2 OUT VEE 2 MAX9050
REF B3
A3 VCC IN+ 3
4 REF
UCSP
SOT23
Pin Configurations continued at end of data sheet.
19-1569; Rev 10; 1/17


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9042 Datasheet

UCSP/SOT23 Comparator + Precision Reference ICs

No Preview Available !

MAX9042 pdf
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Absolute Maximum Ratings
Supply Voltage (VCC to VEE)...................................-0.3V to +6V
OUT (MAX9038).......................................................-0.3V to +6V
All Other Pins................................. (VEE - 0.3V) to (VCC + 0.3V)
Current into Input Pins......................................................±20mA
Output Short-Circuit Duration
(OUT_, REF)..............Indefinite Short Circuit to Either Supply
Continuous Power Dissipation (TA = +70°C)
5-Pin SOT23 (derate 7.10mW/°C above +70°C).........571mW
6-Bump UCSP (derate 3.9mW/°C above +70°C).........308mW
6-Pin SOT23 (derate 8.70mW/°C above +70°C).........696mW
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin μMAX® (derate 4.1mW/°C above +70°C)...........330mW
10-Pin μMAX (derate 5.6mW/°C above +70°C)...........444mW
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
Bump Reflow Temperature (Note 1)................................. +235°C
Note 1: This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the device can
be exposed to during board-level solder attach and rework. This limit permits only the use of the solder profiles recommended
in the industry-standard specification, JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection Packaging Reflow.
Preheating is required. Hand or wave soldering is not allowed.
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—A Grade (0.4% Initial Accuracy)
(VCC = +5V, VEE = 0V, VCM = 0V, IOUT = 0A, IREF = 0A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.) (Note 2)
PARAMETER
Supply Voltage Range (Note 3)
Supply Current
COMPARATORS
Input Offset Voltage (Note 4)
Input Hysteresis
Input Bias Current
(Notes 5, 6, 7)
SYMBOL
VCC
ICC
CONDITIONS
MAX9040–MAX9043
MAX9050–MAX9053
MAX9040/MAX9041/
MAX9050/MAX9051
MAX9042/MAX9043/
MAX9052/MAX9053
VCC = 2.7V
VCC = 5V
VCC = 2.7V
VCC = 5V
VOS
VHYST
IB
Over entire
common-mode
range
TA = +25°C
TA = -40°C to +85°C
Specified common-mode range
MIN TYP MAX UNITS
2.5
2.7
5.5
5.5
V
47 67
52 72
55 80
µA
60 85
±0.5 ±5.0
±7.0
±3.0
±0.001 ±10.0
mV
mV
nA
Input Offset Current (Note 5)
Common-Mode Voltage Range
(Notes 5, 8)
Common-Mode Rejection Ratio
(Note 5)
IOS
CMVR
CMRR
Specified common-mode range
TA = +25°C
TA = -40°C to +85°C
Specified common-mode range
VEE -
0.25
VEE
52
±0.5
80
VCC +
0.25
VCC
pA
V
dB
Power-Supply Rejection Ratio
PSRR
MAX9040–MAX9043, 2.5V ≤ VCC ≤ 5.5V
MAX9050-MAX9053, 2.5V ≤ VCC ≤ 5.5V
Input Capacitance (Note 5)
Output Short-Circuit Current
Output Voltage Low
CIN
ISC
VOUT = VEE or VCC
VCC = 5V
VCC = 2.7V
VOL
VCC = 5V, ISINK = 8mA
VCC = 2.7V, ISINK = 3.5mA
μMAX is a registered trademark of Maxim Integrated Products, Inc.
55 80
55 80
2.5
95
35
0.2 0.55
0.15 0.4
dB
pF
mA
V
www.maximintegrated.com
Maxim Integrated 2


Part Number MAX9042
Description UCSP/SOT23 Comparator + Precision Reference ICs
Maker Maxim Integrated Products
Total Page 15 Pages
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