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MAX6006BEUR+N/AN/a2500avai1µA SOT23 Precision Shunt Voltage Reference
MAX6006AEURMAXIMN/a800avai1µA SOT23 Precision Shunt Voltage Reference
MAX6006AEUR+T |MAX6006AEURTMAXIM Pb-freeN/a12179avai1µA SOT23 Precision Shunt Voltage Reference
MAX6006BESA+ |MAX6006BESAMAXIMN/a216avai1µA SOT23 Precision Shunt Voltage Reference
MAX6007BEURMAXIMN/a220avai1µA SOT23 Precision Shunt Voltage Reference
MAX6007BEUR-T |MAX6007BEURTMAXIM ?N/a2492avai1µA SOT23 Precision Shunt Voltage Reference
MAX6008AESA+ |MAX6008AESAMAXIMN/a232avai1µA SOT23 Precision Shunt Voltage Reference
MAX6009BEUR+TMAXIMN/a2500avai1µA SOT23 Precision Shunt Voltage Reference


MAX6006AEUR+T ,1µA SOT23 Precision Shunt Voltage ReferenceFeatures♦ Ultra-Low Operating Current: Guaranteed < 1µAThe MAX6006–MAX6009 ultra-low-power shunt re ..
MAX6006AEUR-T ,1.25 V, 1 mA SOT23 precision shunt voltage referenceELECTRICAL CHARACTERISTICS—MAX6007(T = -40°C to +85°C, unless otherwise noted. Typical values are a ..
MAX6006BESA ,1.25 V, 1 mA SOT23 precision shunt voltage referenceApplicationsMAX6007A 2.048 0.2 30Battery-Powered EquipmentMAX6007B 2.048 0.5 75Portable MetersMAX60 ..
MAX6006BESA+ ,1µA SOT23 Precision Shunt Voltage ReferenceFeatures♦ Ultra-Low Operating Current: Guaranteed < 1µAThe MAX6006–MAX6009 ultra-low-power shunt re ..
MAX6006BEUR+ ,1µA SOT23 Precision Shunt Voltage ReferenceApplicationsture coefficient of 30ppm/°C over the extended temper-Battery-Powered Equipmentature ra ..
MAX6006BEUR-T ,1.25 V, 1 mA SOT23 precision shunt voltage referenceELECTRICAL CHARACTERISTICS—MAX6006(T = -40°C to +85°C, unless otherwise noted. Typical values are a ..
MAZ8270-H ,Silicon planar typeFeatures•Extremely low noise voltage caused from the diode (2.4V to 39V,1/3 to 1/10 of our conventi ..
MAZ8270-L ,Silicon planar typeelectrical characteristicsZ Zwithin part numbersReverse current I V ··············· Specified value ..
MAZ8270-M ,Silicon planar typeAbsolute Maximum Ratings T = 25°CaMarking SymbolParameter Symbol Rating UnitRefer to the list of t ..
MAZ8300-H ,Silicon planar typeFeatures•Extremely low noise voltage caused from the diode (2.4V to 39V,1/3 to 1/10 of our conventi ..
MAZ8300-L ,Silicon planar typeFeatures•Extremely low noise voltage caused from the diode (2.4V to 39V,1/3 to 1/10 of our conventi ..
MAZ8300-M ,Silicon planar typeelectrical characteristicsZ Zwithin part numbersReverse current I V ··············· Specified value ..


MAX6006AEUR-MAX6006AEUR+T-MAX6006BESA+-MAX6006BEUR+-MAX6007BEUR-MAX6007BEUR-T-MAX6008AESA+-MAX6009BEUR+T
1µA SOT23 Precision Shunt Voltage Reference
MAX6006–MAX6009
1µA SOT23 Precision Shunt
Voltage Reference

General Description

The MAX6006–MAX6009 ultra-low-power shunt refer-
ences are ideal for space-critical and low-power appli-
cations. They are offered in 3-pin SOT23 packages, and
the minimum operating current is guaranteed to be
< 1µA. The devices feature low temperature coefficients
of <30ppm/°C and initial accuracy of better than 0.2%.
Available in +1.25V, +2.048V, +2.5V, and 3V output volt-
ages, the MAX6006–MAX6009 have references of
+1.25V, +2.048V, +2.5V, and +3.0V, respectively. The
devices can be used as lower-power, higher-precision
upgrades to the ICL8069, LM385, LT1004, and LM4040
references. The MAX6006–MAX6009 are available in
two grades: A and B. The A grade features a tempera-
ture coefficient of 30ppm/°C over the extended temper-
ature range of -40°C to +85°C, with an initial accuracy of
0.2%. Grade B features a temperature coefficient of
75ppm/°C with an initial accuracy of 0.5%. MAX6006 in
+1.25V and MAX6008 in +2.5V are offered in 8-pin SO
packages, as plug in upgrades for LT1004 and LM285.
Features
Ultra-Low Operating Current: Guaranteed < 1µASmall 3-Pin SOT23 PackageInitial Voltage Accuracy: 0.2%Temperature Coefficient: 30ppm/°C maxTemperature Range: -40°C to +85°CFactory-Trimmed Output Voltages: +1.25V,
+2.048V, +2.5V, +3.0V
Wide Operating Range: 1µA to 2mA
Applications

Battery-Powered Equipment
Portable Meters
Precision Regulators
A/D and D/A Converters
GNDI.C.
OUT
MAX6006
MAX6007MAX6008
MAX6009
SOT23

TOP VIEWOUT
N.C.GND+
OUT
N.C.N.C.
N.C.
N.C.
Pin Configurations

IRMIN + IL
IRMIN
RBIAS
VOUTVR
MAX6006
MAX6007
MAX6008
MAX6009
0.01μF
RBIAS = VS - VR
Typical Operating Circuit
Ordering Information
PARTOUTPUT
VOLTAGE (V)
INITIAL
ACCURACY (%)
TEMP COEFFICIENT
(ppm/°C)PIN-PACKAGETOP MARK
MAX6006AEUR+T
1.250.2303 SOT23+FZGH
MAX6006AESA+1.250.2308 SO—
MAX6006BEUR+T1.250.5753 SOT23+FZGI
MAX6006BESA+1.250.5758 SO—
MAX6007AEUR+T
2.0480.2303 SOT23+FZGK
MAX6007AESA+2.0480.2308 SO—
Ordering Information continued at end of data sheet.

+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
MAX6006–MAX6009
1µA SOT23 Precision Shunt
Voltage Reference
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX6006

(TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
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.
Operating Current (OUT to GND) ......................................20mA
Forward Current (GND to OUT)..........................................20mA
Continuous Power Dissipation (TA= +70°C)
3-Pin SOT23 (derate 4mW/°C above +70°C)..............320mW
8-Pin SO (derate 5.48mW/°C above +70°C)...............471mW
Operating Temperature Range...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Soldering Temperature (reflow).......................................+260°C
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

MAX6006A (0.2%)1.24751.25001.2525Reverse Breakdown VoltageVRTA = +25°C,
IR = 1.2µAMAX6006B (0.5%)1.24381.25001.2563V
Minimum Operating CurrentIRMINVR change < 0.2% from VR at IR = 1.2µA0.51.0µA
IR = 1.2µA to 200µA1.0Reverse Breakdown Change
with CurrentIR = 200µA to 2mA2.0mV
Reverse Dynamic ImpedanceIR = 1.2µA to 2mA (Note 2)1.5Ω
Low-Frequency NoiseIR = 1.2µA, f = 0.1Hz to 10Hz30μVP-P
MAX6006A30Temperature Coefficient
(Note 3)TCIR = 1.2µAMAX6006B75ppm/°C
Long-Term Drift1000h at TA = +25°C150ppm
Thermal Hysteresis (Note 4)200ppm
MAX6006–MAX6009
1µA SOT23 Precision Shunt
Voltage Reference
ELECTRICAL CHARACTERISTICS—MAX6007

(TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
ELECTRICAL CHARACTERISTICS—MAX6008

(TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

MAX6007A (0.2%)2.04392.0482.0521Reverse Breakdown VoltageVRTA = +25°C,
IR = 1.2µAMAX6007B (0.5%)2.03782.0482.0582V
Minimum Operating CurrentIRMINVR change < 0.2% from VR at IR = 1.2µA0.51.0µA
IR = 1.2µA to 200µA1.3Reverse Breakdown Change
with CurrentIR = 200µA to 2mA2.3mV
Reverse Dynamic ImpedanceIR = 1.2µA to 2mA (Note 2)1.8Ω
Low-Frequency NoiseIR = 1.2µA, f = 0.1Hz to 10Hz50μVP-P
MAX6007A30Temperature Coefficient
(Note 3)TCIR = 1.2µAMAX6007B75ppm/°C
Long-Term Drift1000h at TA = +25°C150ppm
Thermal Hysteresis (Note 4)200ppm
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

MAX6008A (0.2%)2.49502.50002.5050Reverse Breakdown VoltageVRTA = +25°C,
IR = 1.2µAMAX6008B (0.5%)2.48752.50002.5125V
Minimum Operating CurrentIRMINVR change < 0.2% from VR at IR = 1.2µA0.51.0µA
IR = 1.2µA to 200µA1.5Reverse Breakdown Change with
CurrentIR = 200µA to 2mA2.5mV
Reverse Dynamic ImpedanceIR = 1.2µA to 2mA (Note 2)2Ω
Low-Frequency NoiseIR = 1.2µA, f = 0.1Hz to 10Hz60μVP-P
MAX6008A30Temperature Coefficient
(Note 3)TCIR = 1.2µAMAX6008B75ppm/°C
Long-Term Drift1000h at TA = +25°C150ppm
Thermal Hysteresis (Note 4)200ppm
MAX6006–MAX6009
1µA SOT23 Precision Shunt
Voltage Reference
Typical Operating Characteristics

(CL = 0.01µF, TA = +25°C, unless otherwise noted.)
TEMPERATURE DRIFT
MAX6006/9-01
REFERENCE VOLTAGE CHANGE (mV)
IR = 1.2µA
VOUT = 2.5V
MAX6006
VOUT vs. CURRENT
MAX6006/9-02
REVERSE VOLTAGE CHANGE (mV)
TA = +25°C
TA = +85°CTA = -40°C
MAX6006
STARTUP

MAX6006/9-03
1.5V
1.2μA
20ms/div
ELECTRICAL CHARACTERISTICS—MAX6009

(TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

MAX6009A (0.2%)2.99403.0003.0060Reverse Breakdown VoltageVRTA = +25°C,
IR = 1.2µAMAX6009B (0.5%)2.98503.0003.0150V
Minimum Operating CurrentIRMINVR change < 0.2% from VR at IR = 1.2µA0.51.0µA
IR = 1.2µA to 200µA1.7Reverse Breakdown Change
with CurrentIR = 200µA to 2mA2.7mV
Reverse Dynamic ImpedanceIR = 1.2µA to 2mA (Note 2)2.2Ω
Low-Frequency NoiseIR = 1.2µA, f = 0.1Hz to 10Hz75μVP-P
MAX6009A30Temperature Coefficient
(Note 3)TCIR = 1.2µAMAX6009B75ppm/°C
Long-Term Drift1000h at TA = +25°C150ppm
Thermal Hysteresis (Note 4)200ppm
Note 1:
All devices are 100% production tested at TA= +25°C and are guaranteed by design for TA= TMINto TMAX, as specified.
Note 2:
This parameter is guaranteed by the “reverse breakdown change with current” test.
Note 3:
TC is measured by the “box” method; i.e., (VMAX- VMIN)/(TMAX- TMIN).
Note 4:
Thermal hysteresis is defined as the change in the +25°C output voltage after cycling the device from TMINto TMAX.
MAX6009
0.01Hz TO 10Hz NOISE

MAX6006/9-08
TIME (2s/div)
NOISE VOLTAGE (20
V/div)
Typical Operating Characteristics (continued)

(CL = 0.01µF, TA = +25°C, unless otherwise noted.)
MAX6006–MAX6009
1µA SOT23 Precision Shunt
Voltage Reference
MAX6006
0.01Hz TO 10Hz NOISE

MAX6006/9-04
TIME (2s/div)
NOISE VOLTAGE (20
/div)
1.2μA
MAX6006
OUTPUT IMPEDANCE vs. FREQUENCY
MAX6006/9-05
FREQUENCY (kHz)
IMPEDANCE (
IR = 6μA,
∆IR = 1.2μA
MAX6009
VOUT vs. CURRENT
MAX6006/9-06
REVERSE CURRENT (mA)
REVERSE VOLTAGE CHANGE (mV)
TA = +85°C
TA = +25°C
TA = -40°C
MAX6009
STARTUP

MAX6006/9-07
20ms/div
1.2μA
MAX6009
OUTPUT IMPEDANCE vs. FREQUENCY
MAX6006/9-09
FREQUENCY (kHz)
IMPEDANCE (
IR = 6µA,
∆ IR = 1.2µA
MAX6006–MAX6009
1µA SOT23 Precision Shunt
Voltage Reference
Detailed Description

The MAX6006–MAX6009 are precision, two-terminal,
series bandgap voltage references. On-chip thin-film
resistors are laser trimmed to provide 0.2% output volt-
age accuracies. Voltages of +1.25V, +2.048V, +2.5V,
and +3.0V are available in the space-saving SOT23
package (2.1mm ✕2.7mm).
Applications Information
Output/Load Capacitance

For devices in this family, OUT needs to be bypassed
to GND with a 0.01µF or larger capacitor. In applica-
tions where the load or the supply can experience step
changes, additional capacitance will reduce the
amount of overshoot (or undershoot) and assist the cir-
cuit’s transient response.
Output Voltage Hysteresis

Output voltage hysteresis is the change in the output
voltage at TA= +25°C before and after the device is
cycled over its entire operating temperature range.
Hysteresis is caused by differential package stress
appearing across the bandgap core transistors. The
temperature hysteresis value is typically less than
200ppm.
Turn-On Time

The output capacitance and bias current of the
MAX6006–MAX6009 greatly affects turn-on settling
time. In the Typical Operating Characteristics, turn-on
time is shown with a 10nF output capacitor and a 1.2µA
bias current. Under these conditions, the MAX6006–
MAX6009 settle in 40ms. Settling time will linearly
decrease in proportion to the circuit’s bias current.
Typical Applications

In the typical shunt regulator application shown in
Figure 1, RBIASis used to set the current through the
load (IL) and the current through the shunt regulator
(IRMIN). There are two worst-case situations that RBIAS
needs to be sized for:
1) RBIASmust be small enough that when VS(supply
voltage) is at its minimum and ILis at its maximum,
IRMINis equal to at least the minimum operating
current of the shunt regulator.
2) RBIASmust be large enough that when VSis at its
maximum and ILis at its minimum, IRMINis < 2mA.
Pin Description
PIN
SOT23SO
NAMEFUNCTION
6, 8OUTOutput Voltage. Bias OUT with a pullup resistor to a potential greater than OUT. Bypass
OUT to GND with a 0.01μF or larger capacitor.GNDGround—ICInternally connected test point. Leave this pin unconnected, or connect to GND.1, 2, 3, 5,N.C.No connection. Not internally connected.
IRMIN + IL
IRMIN
RBIAS
VOUTVR
MAX6006
MAX6007
MAX6008
MAX6009
RBIAS = VS - VR
IL + IRMIN
Figure 1. Typical Application Circuit
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