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MAX6043
Precision High-Voltage Reference in SOT23
General Description
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.
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.
The MAX6043 is available in a 6-pin SOT23 package
and operates over the automotive (-40°C to +125°C)
temperature range.
Features
o
+2.5V, +3.3V, +4.096V, +5.0V, or +10V Output
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
P-P
(typ at 2.5V Output)
o
Short-Circuit Protected
o
Wide Operating Temperature Range
-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.* 1
6
OUTS
GND 2
MAX6043
5
OUTF
Applications
Analog-to-Digital Converters
Digital-to-Analog Converters
Digital Voltmeters
Voltage Regulators
Threshold Detectors
*INTERNALLY CONNECTED. DO NOT CONNECT.
I.C.* 3
4
IN
SOT23
Ordering Information
PART
MAX6043AAUT25-T
MAX6043AAUT25#TG16
MAX6043BAUT25-T
MAX6043BAUT25#TG16
MAX6043CAUT25-T
MAX6043CAUT25#TG16
MAX6043AAUT33-T
MAX6043AAUT33#TG16
MAX6043BAUT33-T
OUTPUT VOLTAGE
(V)
2.500
2.500
2.500
2.500
2.500
2.500
3.300
3.300
3.300
TEMPCO
(PPM/°C)
15
15
20
20
65
65
15
15
20
INITIAL ACCURACY
(%)
0.06
0.06
0.10
0.10
0.50
0.50
0.06
0.06
0.10
TOP MARK
ABRZ
#ACMH
ABDQ
#ACMI
ABDR
#ACMJ
ABSA
#ACMK
ABDS
#ACML
MAX6043BAUT33#TG16
3.300
20
0.10
#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
MAX6043
Precision High-Voltage Reference in SOT23
ABSOLUTE MAXIMUM RATINGS
IN to GND ...............................................................-0.3V to +42V
OUTF, OUTS to GND ...................................-0.3V to (V
IN
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
6-Pin SOT23 (derate 9.1mW/°C above +70°C)............727mW
OUT_ Short-Circuit Duration .....................................................5s
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature Range ............................-65°C to +150°C
Maximum Junction Temperature .....................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow)
RoHS-compliant package.............................................+245°C
Packages containing lead(Pb)......................................+240°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—V
OUT
= +2.5V
(V
IN
= +5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
OUTPUT
MAX6043A (0.06%)
Output Voltage
I
OUT
= 0, T
A
= +25°C
MAX6043B (0.1%)
MAX6043C (0.5%)
MAX6043A_25
Output-Voltage Temperature
Coefficient (Note 2)
T
A
= -40°C to +125°C
MAX6043B_25
MAX6043C_25
Line Regulation (Note 4)
4.5V < V
IN
< 40V
Sourcing,
0 < I
OUT
< 10mA
Sinking,
-0.6mA < I
OUT
< 0mA
OUT Short-Circuit Current
Thermal Hysteresis
Long-Term Stability
DYNAMIC CHARACTERISTICS
Output Noise Voltage
Turn-On Settling Time
INPUT
Supply Voltage Range
Quiescent Supply Current
Inferred from line regulation test
I
OUT
= 0
T
A
= +25°C
T
A
= -40°C to +125°C
4.5
320
370
40.0
490
650
V
µA
0.1Hz to 10Hz
10Hz to 1kHz
To V
OUT
= 0.05% of final value, C
OUT
= 50pF
4
7
150
µV
P-P
µV
RMS
µs
Output shorted to GND
Output shorted to IN
(Note 3)
∆t
= 1000hr
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
60
-2
150
150
70
2.4985
2.4975
2.4876
2.5000
2.5000
2.5000
3
5
10
1
1.5
8
2.5015
2.5025
2.5125
15
25
65
6
10
70
70
900
900
mA
ppm
ppm
ppm/mA
ppm/V
ppm/°C
V
CONDITIONS
MIN
TYP
MAX
UNITS
Load Regulation (Note 4)
2
Maxim Integrated
MAX6043
Precision High-Voltage Reference in SOT23
ELECTRICAL CHARACTERISTICS—V
OUT
= +3.3V
(V
IN
= +10V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
OUTPUT
MAX6043A (0.06%)
Output Voltage
I
OUT
= 0, T
A
= +25°C
MAX6043B (0.1%)
MAX6043C (0.5%)
MAX6043A_33
Output-Voltage Temperature
Coefficient (Note 2)
T
A
= -40°C to +125°C
MAX6043B_33
MAX6043C_33
Line Regulation (Note 4)
5.3V
≤
V
IN
≤
40V
Sourcing,
0
≤
I
OUT
≤
10mA
Sinking,
-0.6mA
≤
I
OUT
≤
0mA
OUT Short-Circuit Current
Thermal Hysteresis
Long-Term Stability
DYNAMIC CHARACTERISTICS
Output Noise Voltage
Turn-On Settling Time
INPUT
Supply Voltage Range
Quiescent Supply Current
Inferred from line regulation test
I
OUT
= 0
T
A
= +25°C
T
A
= -40°C to +125°C
5.3
320
380
40.0
490
650
V
µA
0.1Hz to 10Hz
10Hz to 1kHz
To V
OUT
= 0.05% of final value, C
OUT
= 50pF
5.3
9.5
180
µV
P-P
µV
RMS
µs
OUT shorted to GND
OUT shorted to IN
(Note 3)
∆t
= 1000hr
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
60
-2
150
150
100
3.2980
3.2967
3.2836
3.3000
3.3000
3.3000
3
5
10
1
1.5
23
3.3020
3.3033
3.3165
15
25
65
6
10
70
70
900
900
mA
ppm
ppm
ppm/mA
ppm/V
ppm/°C
V
CONDITIONS
MIN
TYP
MAX
UNITS
Load Regulation (Note 4)
Maxim Integrated
3
MAX6043
Precision High-Voltage Reference in SOT23
ELECTRICAL CHARACTERISTICS—V
OUT
= +4.096V
(V
IN
= +10V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
OUTPUT
MAX6043A (0.06%)
Output Voltage
I
OUT
= 0, T
A
= +25°C
MAX6043B (0.1%)
MAX6043C (0.5%)
MAX6043A_41
Output-Voltage Temperature
Coefficient (Note 2)
Line Regulation (Note 4)
T
A
= -40°C to +125°C
MAX6043B_41
MAX6043C_41
6.1V
≤
V
IN
≤
40V
Sourcing,
0
≤
I
OUT
≤
10mA
Sinking,
-0.6mA
≤
I
OUT
≤
0mA
OUT Short-Circuit Current
Thermal Hysteresis
Long-Term Stability
DYNAMIC CHARACTERISTICS
Output Noise Voltage
Turn-On Settling Time
INPUT
Supply Voltage Range
Quiescent Supply Current
Inferred from line regulation test
I
OUT
= 0
T
A
= +25°C
T
A
= -40°C to +125°C
6.1
320
380
40.0
490
650
V
µA
0.1Hz to 10Hz
10Hz to 1kHz
To V
OUT
= 0.05% of final value, C
OUT
= 50pF
6.6
12
200
µV
P-P
µV
RMS
µs
OUT shorted to GND
OUT shorted to IN
(Note 3)
∆t
= 1000hr
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
60
-2
150
150
100
4.0935
4.0919
4.0755
4.0960
4.0960
4.0960
3
5
10
1
1.5
19
4.0985
4.1001
4.1165
15
25
65
6
10
70
70
900
900
mA
ppm
ppm
ppm/mA
ppm/V
ppm/°C
V
CONDITIONS
MIN
TYP
MAX
UNITS
Load Regulation (Note 4)
4
Maxim Integrated
模拟与混合信号
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