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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
voltages, 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
SOIC packages, as plug in upgrades for LT1004 and
LM285.
________________________Applications
Battery-Powered Equipment
Portable Meters
Precision Regulators
A/D and D/A Converters
Features
o
Ultra-Low Operating Current: Guaranteed <1μA
o
Small 3-Pin SOT23 Package
o
Initial Voltage Accuracy: 0.2%
o
Temperature Coefficient: 30ppm/°C max
o
Temperature Range: -40°C to +85°C
o
Factory-Trimmed Output Voltages: +1.25V,
+2.048V, +2.5V, +3.0V
o
Wide Operating Range: 1μA to 2mA
M
1μA SOT23 Precision Shunt
Voltage Reference
________________________________________________________________
Maxim Integrated Products
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1
GND
1
3
I.C.
OUT
MAX6006
MAX6007
MAX6008
MAX6009
SOT23-3
TOP VIEW
2
OUT
N.C.
GND
1
2
8
7
OUT
N.C.
N.C.
N.C.
N.C.
SO
3
4
6
5
Pin Configuration
V
S
I
RMIN
+ I
L
I
L
I
RMIN
R
BIAS
V
OUT
V
R
MAX6006
MAX6007
MAX6008
MAX6009
0.01μF
R
BIAS
= V
S
- V
R
I
L
+ I
RMIN
Typical Operating Circuit
19-1730; Rev 0; 8/00
Selector Guide
PART
OUTPUT
VOLTAGE
(V)
1.25
1.25
2.048
2.048
2.5
2.5
3.0
3.0
INITIAL
ACCURACY
(%)
0.2
0.5
0.2
0.5
0.2
0.5
0.2
0.5
TEMPERATURE
COEFFICIENT
(ppm/
°
C)
30
75
30
75
30
75
30
75
MAX6006A
MAX6006B
MAX6007A
MAX6007B
MAX6008A
MAX6008B
MAX6009A
MAX6009B
Ordering Information appears at end of data sheet