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MAX6126A21+ |MAX6126A21MAXIMN/a38avaiUltra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
MAX6126A25MAXN/a4avaiUltra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
MAX6126AASA25+ |MAX6126AASA25MAXIMN/a6avaiUltra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
MAX6126B25+MAXN/a1452avaiUltra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
MAX6126B30+MaximN/a5avaiUltra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
MAX6126B50MAXIMN/a20avaiUltra-High-Precision, Ultra-Low-Noise, Series Voltage Reference


MAX6126B25+ ,Ultra-High-Precision, Ultra-Low-Noise, Series Voltage ReferenceFeaturesThe MAX6126 is an ultra-low-noise, high-precision, low- ● Ultra-Low 1.3μV Noise (0.1Hz to 1 ..
MAX6126B30+ ,Ultra-High-Precision, Ultra-Low-Noise, Series Voltage ReferenceElectrical Characteristics—MAX6126_21 (V = 2.048V)OUT(V = 5V, C = 0.1μF, I = 0, T = T to T , unless ..
MAX6126B50 ,Ultra-High-Precision, Ultra-Low-Noise, Series Voltage ReferenceGeneral Description Beneits and
MAX6129AEUK25+ ,Ultra-Low-Power Series Voltage ReferenceELECTRICAL CHARACTERISTICS—MAX6129_21 (V = 2.048V)OUT(V = 2.5V, I = 0, T = T to T , unless otherwis ..
MAX6129AEUK25+T ,Ultra-Low-Power Series Voltage ReferenceFeatures♦ Ultra-Low 5.25µA (max) Supply CurrentThe MAX6129 micropower, low-dropout bandgap volt-age ..
MAX6129AEUK30+T ,Ultra-Low-Power Series Voltage ReferenceApplicationsM AX 6129AC /D30 -40°C to +85°C Dice 3.000Battery-Powered SystemsM AX 6129_E U K33-T -4 ..
MAZS0560M ,Silicon planar typeElectrical Characteristics T = 25°Ca Parameter Symbol Conditions Min Typ Max UnitForward voltage V ..
MAZS0620M ,Silicon planar typeAbsolute Maximum Ratings T = 25°Ca1.2 ± 0.1Parameter Symbol Rating Unit1.6 ± 0.1Instanious forward ..
MAZS068 ,Small-signal deviceelectrical characteristicsZK Zwithin part numbersZener operating resistance R I Specified value ΩZ ..
MAZS150 ,Small-signal deviceElectrical characteristics within part numbers T = 25°C±3°CaTemperatureReverse Zener operatingcoef ..
MAZS1500L ,Silicon planar typeZener DiodesMAZS000 SeriesSilicon planar typeUnit : mmFor constant voltage, constant-current, wavef ..
MAZS160 ,Small-signal deviceelectrical characteristicsZK Zwithin part numbersZener operating resistance R I Specified value ΩZ ..


MAX6126A21+-MAX6126A25-MAX6126AASA25+-MAX6126B25+-MAX6126B30+-MAX6126B50
Ultra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
General Description
The MAX6126 is an ultra-low-noise, high-precision, low-
dropout voltage reference. This family of voltage references
feature curvature-correction circuitry and high-stability,
laser-trimmed, thin-film resistors that result in 3ppm/°C
(max) temperature coefficients and an excellent ±0.02%
(max) initial accuracy. The proprietary low-noise reference architecture produces a low flicker noise of 1.3μVP-P and wideband noise as low as 60nV/√Hz (2.048V output) without
the increased supply current usually found in low-noise references. Improve wideband noise to 35nV/√Hz and AC power-supply rejection by adding a 0.1μF capacitor at the
noise reduction pin. The MAX6126 series mode reference operates from a wide 2.7V to 12.6V supply voltage range
and load-regulation specifications are guaranteed to be less than 0.025Ω for sink and source currents up to 10mA.
These devices are available over the automotive temperature
range of -40°C to +125°C.
The MAX6126 typically draws 380μA of supply current and is available in 2.048V, 2.500V, 2.800V, 3.000V, 3.300V, 3.600V, 4.096V, and 5.000V output voltages. The MAX6126 also feature dropout voltages as low as 200mV.
Unlike conventional shunt-mode (two-terminal) references
that waste supply current and require an external resistor,
the MAX6126 offers supply current that is virtually independent
of supply voltage and does not require an external resistor. The MAX6126 is stable with 0.1μF to 10μF of load capacitance.
The MAX6126 is available in the tiny 8-pin μMAX®, as well
as 8-pin SO packages.
Applications
●High-Resolution A/D and D/A Converters●ATE Equipment●High-Accuracy Reference Standard●Precision Current Sources●Digital Voltmeters●High-Accuracy Industrial and Process Control
Beneits and Features
●Ultra-Low 1.3μVP-P Noise (0.1Hz to 10Hz, 2.048V
Output)●Ultra-Low 3ppm/°C (max) Temperature Coefficient●±0.02% (max) Initial Accuracy●Wide (VOUT + 200mV) to 12.6V Supply Voltage
Range●Low 200mV (max) Dropout Voltage●380μA Quiescent Supply Current●10mA Sink/Source-Current Capability●Stable with CLOAD = 0.1μF to 10μF●Low 20ppm/1000hr Long-Term Stability●0.025Ω (max) Load Regulation●20μV/V (max) Line Regulation●Force and Sense Outputs for Remote Sensing
Ordering Information continued at end of data sheet.

+Denotes a lead(Pb)-free/RoHS-compliant package.
μMAX is a registered trademark of Maxim Integrated Products, Inc.
PARTTEMP RANGEPIN-
PACKAGE
OUTPUT
VOLTAGE
(V)
MAXIMUM INITIAL
ACCURACY (%)
MAXIMUM TEMPCO
(-40°C to +85°C)
(ppm/°C)

MAX6126AASA21+-40°C to +125°C8 SO2.0480.023
MAX6126BASA21+-40°C to +125°C8 SO2.0480.065
MAX6126A21+-40°C to +125°C8 µMAX2.0480.063
OUTS
I.C.*GNDS
I.C.*
OUTFIN
GND
SO/µMAX

TOP VIEW
MAX6126

*I.C. = INTERNALLY CONNECTED. DO NOT USE.
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
Pin Coniguration
Ordering Information
(All voltages referenced to GND)
GNDS ...................................................................-0.3V to +0.3V
IN ...........................................................................-0.3V to +13VOUTF, OUTS, NR ......-0.3V to the lesser of (VIN + 0.3V) or +6V
Output Short Circuit to GND or IN.........................................60s
Continuous Power Dissipation (TA = +70°C) 8-Pin μMAX (derate 4.5mW/°C above +70°C) ............362mW
8-Pin SO (derate 5.88mW/°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
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUT

Output VoltageVOUTTA = +25°C2.048V
Output Voltage Accuracy
Referred to VOUT,
TA = +25°C
A grade SO -0.02+0.02B grade SO-0.06+0.06
A grade µMAX-0.06+0.06
B grade µMAX-0.1+0.1
Output Voltage Temperature Coeficient (Note 1)TCVOUT
TA = -40°C
to +85°C
A grade SO 0.53
ppm/°C
B grade SO15
A grade µMAX13
B grade µMAX27
TA = -40°C
to +125°C
A grade SO 15
B grade SO210
A grade µMAX25
B grade µMAX312
Line RegulationDVOUT/ DVIN2.7V ≤ VIN ≤ 12.6V
TA = +25°C220µV/VTA = -40°C to +125°C40
Load RegulationDVOUT/ DIOUTSourcing: 0 ≤ IOUT ≤ 10mA0.725µV/mASinking: -10mA ≤ IOUT ≤ 01.325
OUT Short-Circuit CurrentISCShort to GND160mAShort to IN20
Thermal Hysteresis (Note 2)DVOUT/
cycle25ppmµMAX80
Long-Term StabilityDVOUT/
time1000hr at TA = +25°CSO20ppm/
1000hrµMAX100
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
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.
Electrical Characteristics—MAX6126_21 (VOUT = 2.048V)
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
DYNAMIC CHARACTERISTICS

Noise VoltageeOUT
f = 0.1Hz to 10Hz1.3µVP-P
f = 1kHz, CNR = 060nV/√Hzf = 1kHz, CNR = 0.1µF35
Turn-On Settling TimetRTo VOUT = 0.01% of inal value
CNR = 00.8msCNR = 0.1µF20
Capacitive-Load Stability Range CLOADNo sustained oscillations 0.1 to 10µF
INPUT

Supply Voltage RangeVINGuaranteed by line-regulation test2.712.6V
Quiescent Supply CurrentIINTA = +25°C380550µATA = -40°C to +125°C725
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUT

Output VoltageVOUTTA = +25°C2.500V
Output Voltage AccuracyReferred to VOUT,
TA = +25°C
A grade SO -0.02+0.02B grade SO-0.06+0.06
A grade µMAX-0.06+0.06
B grade µMAX-0.1+0.1
Output Voltage Temperature Coeficient (Note 1)TCVOUT
TA = -40°C to
+85°C
A grade SO 0.53
ppm/°C
B grade SO15
A grade µMAX13
B grade µMAX27
TA = -40°C to
+125°C
A grade SO 15
B grade SO210
A grade µMAX25
B grade µMAX312
Line RegulationDVOUT/ DVIN2.7V ≤ VIN ≤ 12.6VTA = +25°C320µV/VTA = -40°C to +125°C40
Load RegulationDVOUT/ DIOUTSourcing: 0 ≤ IOUT ≤ 10mA125µV/mASinking: -10mA ≤ IOUT ≤ 01.825
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
Electrical Characteristics—MAX6126_25 (VOUT = 2.500V)
Electrical Characteristics—MAX6126_21 (VOUT = 2.048V) (continued)
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Dropout Voltage (Note 3)VIN - VOUTDVOUT = 0.1% IOUT = 5mA0.060.2VIOUT = 10mA0.120.4
OUT Short-Circuit CurrentISCShort to GND160mAShort to IN20
Thermal Hysteresis (Note 2)DVOUT/
cycle35ppmµMAX80
Long-Term StabilityDVOUT/
time1000hr at TA = +25°CSO20ppm/
1000hrµMAX100
DYNAMIC CHARACTERISTICS

Noise VoltageeOUT
f = 0.1Hz to 10Hz1.45µVP-P
f = 1kHz, CNR = 075nV/√Hzf = 1kHz, CNR = 0.1µF45
Turn-On Settling TimetRTo VOUT = 0.01% of inal value
CNR = 01msCNR = 0.1µF20
Capacitive-Load Stability RangeCLOADNo sustained oscillations0.1 to 10µF
INPUT

Supply Voltage RangeVINGuaranteed by line-regulation test2.712.6V
Quiescent Supply CurrentIINTA = +25°C380550µATA = -40°C to +125°C725
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUT

Output VoltageVOUTTA = +25°C2.800V
Output Voltage AccuracyReferred to VOUT,
TA = +25°C
A grade µMAX-0.06+0.06%B grade µMAX-0.10+0.10
Output Voltage Temperature Coeficient (Note 1)TCVOUT
TA = -40°C to
+85°C
A grade µMAX13
ppm/°CB grade µMAX27
TA = -40°C to
+125°C
A grade µMAX25
B grade µMAX312
Line RegulationDVOUT/ DVIN3.0V ≤ VIN ≤ 12.6VTA = +25°C3.523µV/VTA = -40°C to +125°C45
Load RegulationDVOUT/ DVINSourcing: 0 ≤ IOUT ≤ 10mA1.328µV/mASinking: -10mA ≤ IOUT ≤ 02.428
Dropout Voltage (Note 3)VIN - VOUTDVOUT = 0.1% IOUT = 5mA0.060.2VIOUT = 10mA0.120.4
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
Electrical Characteristics—MAX6126_25 (VOUT = 2.500V) (continued)
Electrical Characteristics—MAX6126_28 (VOUT = 2.800V)
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

OUT Short-Circuit CurrentISCShort to GND160mAShort to IN20
Thermal Hysteresis (Note 2)DVOUT/
cycleµMAX80ppm
Long-Term StabilityDVOUT/
time1000hr at TA = +25°CµMAX100ppm/
1000hr
DYNAMIC CHARACTERISTICS

Noise VoltageeOUT
f = 0.1Hz to 10Hz1.45µVP-P
f = 1kHz, CNR = 075nV/√Hzf = 1kHz, CNR = 0.1µF45
Turn-On Settling TimetRTo VOUT = 0.01% of inal value
CNR = 01msCNR = 0.1µF20
Capacitive-Load Stability Range CLOADNo sustained oscillations0.1 to 10µF
INPUT

Supply Voltage RangeVINGuaranteed by line-regulation test3.012.6V
Quiescent Supply CurrentIINTA = +25°C380550µATA = -40°C to +125°C725
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUT

Output VoltageVOUTTA = +25°C3.000V
Output Voltage AccuracyReferred to VOUT,
TA = +25°C
A grade SO -0.02+0.02B grade SO-0.06+0.06
A grade µMAX-0.06+0.06
B grade µMAX-0.1+0.1
Output Voltage Temperature Coeficient (Note 1)TCVOUT
TA = -40°C to
+85°C
A grade SO 0.53
ppm/°C
B grade SO15
A grade µMAX13
B grade µMAX27
TA = -40°C to
+125°C
A grade SO 15
B grade SO210
A grade µMAX25
B grade µMAX312
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
Electrical Characteristics—MAX6126_30 (VOUT = 3.000V)
Electrical Characteristics—MAX6126_28 (VOUT = 2.800V) (continued)
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Line RegulationDVOUT/ DVIN3.2V ≤ VIN ≤ 12.6VTA = +25°C425µV/VTA = -40°C to +125°C50
Load RegulationDVOUT/ DIOUTSourcing: 0 ≤ IOUT ≤ 10mA1.530µV/mASinking: -10mA ≤ IOUT ≤ 02.830
Dropout Voltage (Note 3)VIN - VOUTDVOUT = 0.1% IOUT = 5mA0.060.2VIOUT = 10mA0.110.4
OUT Short-Circuit CurrentISCShort to GND160mAShort to IN20
Thermal Hysteresis (Note 2)DVOUT/
cycle20ppmµMAX80
Long-Term StabilityDVOUT/
time1000hr at TA = +25°CSO20ppm/
1000hrµMAX100
DYNAMIC CHARACTERISTICS

Noise VoltageeOUT
f = 0.1Hz to 10Hz1.75µVP-P
f = 1kHz, CNR = 090nV/√Hzf = 1kHz, CNR = 0.1µF55
Capacitive-Load Stability Range CLOADNo sustained oscillations0.1 to 10µF
Turn-On Settling TimetRTo VOUT = 0.01% of inal value
CNR = 01.2msCNR = 0.1µF20
INPUT

Supply Voltage RangeVINGuaranteed by line-regulation test3.212.6V
Quiescent Supply CurrentIINTA = +25°C380550µATA = -40°C to +125°C725
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
Electrical Characteristics—MAX6126_30 (VOUT = 3.000V) (continued)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUT

Output VoltageVOUTTA = +25°C3.300V
Output Voltage AccuracyReferred to VOUT,
TA = +25°C
A grade SO -0.02+0.02B grade SO-0.06+0.06
A grade µMAX-0.06+0.06
B grade µMAX-0.1+0.1
Output Voltage Temperature Coeficient (Note 1)TCVOUT
TA = -40°C to
+85°C
A grade SO 0.53
ppm/°C
B grade SO15
A grade µMAX13
B grade µMAX27
TA = -40°C to
+125°C
A grade SO 15
B grade SO210
A grade µMAX25
B grade µMAX312
Line RegulationΔVOUT/ΔVIN3.5V ≤ VIN ≤ 12.6VTA = +25°C1135µV/VTA = -40°C to +125°C70
Load RegulationΔVOUT/ΔIOUT
Sourcing: 0 ≤ IOUT ≤ 10mA240µV/mASinking: -10mA ≤ IOUT ≤ 0540
Dropout Voltage (Note 3)VIN - VOUTΔVOUT = 0.1% IOUT = 5mA0.060.2VIOUT = 10mA0.120.4
OUT Short-Circuit CurrentISCShort to GND160mAShort to IN20
Thermal Hysteresis (Note 2)ΔVOUT/
cycle20ppmµMAX80
Long-Term StabilityΔVOUT/
time
1000hr at
TA = +25°C20ppm/
1000hrµMAX100
DYNAMIC CHARACTERISTICS

Noise VoltageeOUT
f = 0.1Hz to 10Hz1.95µVP-P
f = 1kHz, CNR = 0100nV/√Hzf = 1kHz, CNR = 0.1µF60
Capacitive-Load Stability Range CLOADNo sustained oscillations0.1 to 10µF
Turn-On Settling TimetRTo VOUT = 0.01% of inal value
CNR = 01.2msCNR = 0.1µF20
INPUT

Supply Voltage RangeVINGuaranteed by line-regulation test3.512.6V
Quiescent Supply CurrentIINTA = +25°C380550µATA = -40°C to +125°C725
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
Electrical Characteristics—MAX6126_33 (VOUT = 3.300V)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUT

Output VoltageVOUTTA = +25°C 3.6V
Output Voltage AccuracyReferred to VOUT,
TA = +25°C
A grade SO -0.02+0.02B grade SO-0.06+0.06
A grade µMAX-0.06+0.06
B grade µMAX-0.1+0.1
Output Voltage Temperature Coeficient (Note 1)TCVOUT
TA = -40°C to +85°C
A grade SO 0.53
ppm/°C
B grade SO15
A grade µMAX13
B grade µMAX27
TA = -40°C to
+125°C
A grade SO 15
B grade SO210
A grade µMAX25
B grade µMAX312
Line RegulationΔVOUT/ΔVIN3.8V ≤ VIN ≤ 12.6VTA = +25°C1240µV/VTA = -40°C to +125°C80
Load RegulationΔVOUT/ΔIOUT
Sourcing: 0 ≤ IOUT ≤ 10mA250µV/mASinking: -10mA ≤ IOUT ≤ 0650
Dropout Voltage (Note 3)VIN - VOUTΔVOUT = 0.1% IOUT = 5mA0.050.2VIOUT = 10mA0.110.4
OUT Short-Circuit CurrentISCShort to GND160mAShort to IN20
Thermal Hysteresis (Note 2)ΔVOUT/
cycle20ppmµMAX80
Long-Term StabilityΔVOUT/
time1000hr at TA = +25°CSO20ppm/
1000hrµMAX100
DYNAMIC CHARACTERISTICS

Noise VoltageeOUT
f = 0.1Hz to 10Hz2.1µVP-P
f = 1kHz, CNR = 0110nV/√Hzf = 1kHz, CNR = 0.1µF66
Capacitive-Load Stability Range CLOADNo sustained oscillations 0.1 to 10µF
Turn-On Settling TimetRTo VOUT = 0.01% of inal value
CNR = 01.6msCNR = 0.1µF20
INPUT

Supply Voltage RangeVINGuaranteed by line-regulation test3.812.6V
Quiescent Supply CurrentIINTA = +25°C380550µATA = -40°C to +125°C725
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
Electrical Characteristics—MAX6126_36 (VOUT = 3.600V)
(VIN = 5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUT

Output VoltageVOUTTA = +25°C4.096V
Output Voltage AccuracyReferred to VOUT,
TA = +25°C
A grade SO -0.02+0.02B grade SO-0.06+0.06
A grade µMAX-0.06+0.06
B grade µMAX-0.1+0.1
Output Voltage Temperature Coeficient (Note 1)TCVOUT
TA = -40°C to
+85°C
A grade SO 0.53
ppm/°C
B grade SO15
A grade µMAX13
B grade µMAX27
TA = -40°C to
+125°C
A grade SO 15
B grade SO210
A grade µMAX25
B grade µMAX312
Line RegulationDVOUT/ DVIN4.3V ≤ VIN ≤ 12.6VTA = +25°C4.530µV/VTA = -40°C to +125°C60
Load RegulationDVOUT/ DIOUTSourcing: 0 ≤ IOUT ≤ 10mA240µV/mASinking: -10mA ≤ IOUT ≤ 0540
Dropout Voltage (Note 3)VIN - VOUTDVOUT = 0.1% IOUT = 5mA0.050.2VIOUT = 10mA0.10.4
OUT Short-Circuit CurrentISCShort to GND160mAShort to IN20
Thermal Hysteresis (Note 2)DVOUT/
cycle20ppmµMAX80
Long-Term StabilityDVOUT/
time1000hr at TA = +25°CSO20ppm/
1000hrµMAX100
DYNAMIC CHARACTERISTICS

Noise VoltageeOUT
f = 0.1Hz to 10Hz2.4µVP-P
f = 1kHz, CNR = 0120nV/√Hzf = 1kHz, CNR = 0.1µF80
Capacitive-Load Stability Range CLOADNo sustained oscillations 0.1 to 10µF
Turn-On Settling TimetRTo VOUT = 0.01% of inal value
CNR = 01.6msCNR = 0.1µF20
INPUT

Supply Voltage RangeVINGuaranteed by line-regulation test4.312.6V
Quiescent Supply CurrentIINTA = +25°C380550µATA = -40°C to +125°C725
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
Electrical Characteristics—MAX6126_41 (VOUT = 4.096V)
(VIN = 5.5V, CLOAD = 0.1μF, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUT

Output VoltageVOUTTA = +25°C5.000V
Output Voltage AccuracyTA = +25°C
A grade SO -0.02+0.02B grade SO-0.06+0.06
A grade µMAX-0.06+0.06
B grade µMAX-0.1+0.1
Output Voltage Temperature Coeficient (Note 1)TCVOUT
TA = -40°C to +85°C
A grade SO 0.53
ppm/°C
B grade SO15
A grade µMAX13
B grade µMAX27
TA = -40°C to
+125°C
A grade SO 15
B grade SO210
A grade µMAX25
B grade µMAX312
Line RegulationDVOUT/ DVIN5.2V ≤ VIN ≤ 12.6VTA = +25°C340µV/VTA = -40°C to +125°C80
Load RegulationDVOUT/ DIOUTSourcing: 0 ≤ IOUT ≤ 10mA2.550µV/mASinking: -10mA ≤ IOUT ≤ 06.550
Dropout Voltage (Note 3)VIN - VOUTDVOUT = 0.1% IOUT = 5mA0.050.2VIOUT = 10mA0.10.4
OUT Short-Circuit CurrentISCShort to GND160mAShort to IN20
Thermal Hysteresis (Note 2)DVOUT/
cycle15ppmµMAX80
Long-Term StabilityDVOUT/
time1000hr at TA = +25°CSO20ppm/
1000hrµMAX100
DYNAMIC CHARACTERISTICS

Noise VoltageeOUT
f = 0.1Hz to 10Hz2.85µVP-P
f = 1kHz, CNR = 0145nV/√Hzf = 1kHz, CNR = 0.1µF95
Capacitive-Load Stability RangeCLOADNo sustained oscillations0.1 to 10µF
MAX6126Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
Electrical Characteristics—MAX6126_50 (VOUT = 5.000V)
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