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MAX6175BASA/V+

P1-P3P4-P6P7-P9P10-P12P13-P15
General Description
The MAX6173–MAX6177 are low-noise, high-precision
voltage references. The devices feature a proprietary
temperature-coefficient curvature-correction circuit and
laser-trimmed thin-film resistors that result in a very low
3ppm/°C temperature coefficient and excellent ±0.06%
initial accuracy. The MAX6173–MAX6177 provide a
TEMP output where the output voltage is proportional to
the die temperature, making the devices suitable for a
wide variety of temperature-sensing applications. The
devices also provide a TRIM input, allowing fine trimming
of the output voltage with a resistive divider network. Low
temperature drift and low noise make the devices ideal
for use with high-resolution A/D or D/A converters.
The MAX6173–MAX6177 provide accurate preset +2.5V,
+3.3V, +4.096V, +5.0V, and +10V reference voltages and
accept input voltages up to +40V. The devices draw
320µA (typ) of supply current and source 30mA or sink
2mA of load current. The MAX6173–MAX6177 use
bandgap technology for low-noise performance and
excellent accuracy. The MAX6173–MAX6177 do not
require an output bypass capacitor for stability, and are
stable with capacitive loads up to 100µF. Eliminating the
output bypass capacitor saves valuable board area in
space-critical applications.
The MAX6173–MAX6177 are available in an 8-pin SO
package and operate over the automotive (-40°C to
+125°C) temperature range.
Applications
A/D Converters Voltage Regulators
D/A Converters Threshold Detectors
Digital Voltmeters
Features
♦ Wide (V
OUT
+ 2V) to +40V Supply Voltage Range
♦ Excellent Temperature Stability: 3ppm/°C (max)
♦ Tight Initial Accuracy: 0.05% (max)
♦ Low Noise: 3.8µV
P-P
(typ at 2.5V Output)
♦ Sources up to 30mA Output Current
♦ Low Supply Current: 450µA (max at +25°C)
♦ Linear Temperature Transducer Voltage Output
♦ +2.5V, +3.3V, +4.096V, +5.0V, or +10V Output
Voltages
♦ Wide Operating Temperature Range: -40°C to
+125°C
♦ No External Capacitors Required for Stability
♦ Short-Circuit Protected
MAX6173–MAX6177
High-Precision Voltage References with
Temperature Sensor
________________________________________________________________ Maxim Integrated Products 1
19-3249; Rev 1; 2/11
Pin Configuration appears at end of data sheet.
Ordering Information/Selector Guide
PART TEMP RANGE
PIN-
PACKAGE
OUTPUT
VOLTAGE (V)
TEMPERATURE COEFFICIENT
(ppm/°C) -40°C TO +125°C
INITIAL
ACCURACY (%)
MAX6173AASA+ -40°C to +125°C 8 SO 2.500 3 0.06
MAX6173BASA+ -40°C to +125°C 8 SO 2.500 10 0.10
MAX6174AASA+ -40°C to +125°C 8 SO 4.096 3 0.06
MAX6174BASA+ -40°C to +125°C 8 SO 4.096 10 0.10
MAX6175AASA+ -40°C to +125°C 8 SO 5.000 3 0.06
MAX6175BASA+ -40°C to +125°C 8 SO 5.000 10 0.10
MAX6175BASA/V+ -40°C to +125°C 8 SO 5.000 10 0.10
MAX6176AASA+ -40°C to +125°C 8 SO 10.000 3 0.05
MAX6176BASA+ -40°C to +125°C 8 SO 10.000 10 0.10
MAX6177AASA+ -40°C to +125°C 8 SO 3.300 3 0.06
MAX6177BASA+ -40°C to +125°C 8 SO 3.300 10 0.10
IN
OUT
GND
*OPTIONAL.
*
*
*
(V
OUT
+ 2V) TO 40V INPUT
REFERENCE
OUTPUT
TRIM
TEMP
MAX6173–MAX6177
Typical Operating Circuit
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.
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
MAX6173–MAX6177
High-Precision Voltage References with
Temperature Sensor
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
IN to GND ...............................................................-0.3V to +42V
OUT, TRIM, TEMP to GND...........................-0.3V to (V
IN
+ 0.3V)
Output Short Circuit to GND .....................................................5s
Continuous Power Dissipation (T
A
= +70°C)
8-Pin SO (derate 5.9mW/°C above +70°C) ..................471mW
Operating Temperature Range ........................-40°C to +125°C
Junction Temperature .....................................................+150°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
Soldering Temperature (reflow) ......................................+260°C
ELECTRICAL CHARACTERISTICS—MAX6173 (V
OUT
= 2.5V)
(V
IN
= +5V, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
OUTPUT
MAX6173A (0.06%)
2.4985 2.5 2.5015
Output Voltage V
OUT
No load, T
A
= +25°C
MAX6173B (0.1%) 2.4975 2.5 2.5025
V
Output Adjustment Range ΔV
TRIM
R
POT
= 10kΩ±3 ±6%
MAX6173AASA 1.5 3Output-Voltage
Temperature Coefficient
(Note 2)
TCV
OUT
T
A
= -40°C to +125°C
MAX6173BASA 3 10
ppm/°C
T
A
= +25°C 0.6 5
Line Regulation (Note 3) ΔV
OUT
/ ΔV
IN
4.5V ≤ V
IN
≤ 40V
T
A
= -40°C to +125°C 0.8 10
ppm/V
T
A
= +25°C210
Sourcing:
0 ≤ I
OUT
≤ 10mA
T
A
= -40°C to +125°C215
T
A
= +25°C 50 500
Load Regulation (Note 3)
ΔV
OUT
/
ΔI
OUT
Sinking:
-0.6mA ≤ I
OUT
≤ 0
T
A
= -40°C to +125°C 90 900
ppm/mA
OUT shorted to GND 60
Output Short-Circuit
Current
I
SC
OUT shorted to IN 3
mA
Temperature Hysteresis
(Note 4)
ΔV
OUT
/
cycle
120 ppm
Long-Term Stability
ΔV
OUT
/
time
1000 hours at T
A
= +25°C 50 ppm
DYNAMIC
f = 0.1Hz to 10Hz 3.8 µV
P-P
Noise Voltage e
OUT
f = 10Hz to 1kHz 6.8 µV
RMS
Turn-On Settling Time t
R
To V
OUT
= 0.1% of final value, C
OUT
= 50pF 150 µs
INPUT
Supply Voltage Range V
IN
Guaranteed by line regulation test 4.5 40.0 V
T
A
= +25°C 300 450
Quiescent Supply Current I
IN
No load
T
A
= -40°C to +125°C 600
µA
TEMP OUTPUT
TEMP Output Voltage V
TEMP
570 mV
TEMP Temperature
Coefficient
TC
TEMP
1.9 mV/°C
MAX6173–MAX6177
High-Precision Voltage References with
Temperature Sensor
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—MAX6177 (V
OUT
= 3.3V)
(V
IN
= +10V, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
OUTPUT
MAX6177A (0.06%)
3.2980 3.3 3.3020
Output Voltage V
OUT
No load, T
A
= +25°C
MAX6177B (0.1%) 3.2967 3.3 3.3033
V
Output Adjustment Range ΔV
TRIM
R
POT
= 10kΩ±3 ±6%
MAX6177AASA 1.5 3
Output-Voltage
Temperature Coefficient
(Note 2)
TCV
OUT
T
A
= -40°C to +125°C
MAX6177BASA 3 10
ppm/°C
T
A
= +25°C 0.6 5
Line Regulation (Note 3)
ΔV
OUT
/
ΔV
IN
5.3V ≤ V
IN
≤ 40V
T
A
= -40°C to +125°C 0.8 10
ppm/V
T
A
= +25°C210
Sourcing:
0 ≤ I
OUT
≤ 10mA
T
A
= -40°C to +125°C215
T
A
= +25°C 50 500
Load Regulation (Note 3)
ΔV
OUT
/
ΔI
OUT
Sinking:
-0.6mA ≤ I
OUT
≤ 0
T
A
= -40°C to +125°C 90 900
ppm/
mA
OUT shorted to GND 60
Output Short-Circuit Current I
SC
OUT shorted to IN 3
mA
Temperature Hysteresis
(Note 4)
ΔV
OUT
/
cycle
120 ppm
Long-Term Stability
ΔV
OUT
/
time
1000 hours at T
A
= +25°C 50 ppm
DYNAMIC
f = 0.1Hz to 10Hz 5 µV
P-P
Noise Voltage e
OUT
f = 10Hz to 1kHz 9.3 µV
RMS
Turn-On Settling Time t
R
To V
OUT
= 0.1% of final value, C
OUT
= 50pF 180 µs
INPUT
Supply Voltage Range V
IN
Guaranteed by line regulation test 5.3 40.0 V
T
A
= +25°C 320 500
Quiescent Supply Current I
IN
No load
T
A
= -40°C to +125°C 650
µA
TEMP OUTPUT
TEMP Output Voltage V
TEMP
630 mV
TEMP Temperature
Coefficient
TC
TEMP
2.1 mV/°C
P1-P3P4-P6P7-P9P10-P12P13-P15

MAX6175BASA/V+

Mfr. #:
Buy MAX6175BASA/V+
Manufacturer:
Maxim Integrated
Description:
Voltage References High-Precision Voltage References with Temperature Sensor
Lifecycle:
New from this manufacturer.
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