MAX6043
Precision High-Voltage Reference in SOT23
General Description
Features
o +2.5V, +3.3V, +4.096V, +5.0V, or +10V Output
The MAX6043 precision voltage reference provides
accurate preset +2.5V, +3.3V, +4.096V, +5.0V, and
+10V reference voltages from up to +40V input volt-
ages. The MAX6043 features a proprietary temperature
coefficient curvature-correction circuit and laser-
trimmed thin-film resistors that result in a very low tem-
perature coefficient of 15ppm/°C (max) and excellent
initial accuracy of 0.05% (max). Low temperature drift
and low noise make the MAX6043 ideal for use with
high-resolution A/D or D/A converters.
Voltages
o Excellent Temperature Stability: 15ppm/°C (max)
o Tight Initial Accuracy: 0.05% (max)
o Tiny SOT23 Package
o Wide +4.5V to +40V Supply Voltage Range
o Low Noise: 4µV
(typ at 2.5V Output)
P-P
o Short-Circuit Protected
o Wide Operating Temperature Range
The MAX6043 draws 320µA of supply current and
sources 10mA or sinks 0.6mA of load current. The
MAX6043 uses bandgap technology for low-noise per-
formance and excellent accuracy. The MAX6043 does
not require an output bypass capacitor for stability, and
is stable with capacitive loads up to 100µF. Eliminating
the output bypass capacitor saves valuable board area
in space-critical applications. The supply-independent,
low supply current makes the MAX6043 ideal for bat-
tery-operated, high-performance systems.
-40°C to +125°C
o Stable with Capacitive Loads from 0 to 100µF
o No External Capacitors Required for Stability
Pin Configuration
TOP VIEW
+
I.C.*
GND
I.C.*
1
2
3
6
5
4
OUTS
OUTF
IN
The MAX6043 is available in a 6-pin SOT23 package
and operates over the automotive (-40°C to +125°C)
temperature range.
MAX6043
Applications
Analog-to-Digital Converters
Digital-to-Analog Converters
Digital Voltmeters
SOT23
Voltage Regulators
*INTERNALLY CONNECTED. DO NOT CONNECT.
Threshold Detectors
Ordering Information
OUTPUT VOLTAGE
TEMPCO
(PPM/°C)
INITIAL ACCURACY
PART
TOP MARK
(V)
(%)
MAX6043AAUT25-T
2.500
2.500
2.500
2.500
2.500
2.500
3.300
3.300
3.300
3.300
15
15
20
20
65
65
15
15
20
20
0.06
0.06
0.10
0.10
0.50
0.50
0.06
0.06
0.10
0.10
ABRZ
#ACMH
ABDQ
#ACMI
ABDR
MAX6043AAUT25#TG16
MAX6043BAUT25-T
MAX6043BAUT25#TG16
MAX6043CAUT25-T
MAX6043CAUT25#TG16
MAX6043AAUT33-T
#ACMJ
ABSA
MAX6043AAUT33#TG16
MAX6043BAUT33-T
#ACMK
ABDS
MAX6043BAUT33#TG16
#ACML
#Denotes an RoHS-compliant device that may include lead that is exempt under the RoHS requirements.
T = Tape and reel.
Ordering Information continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-3036; Rev 2; 8/12