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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
♦ Ultra-Low Operating Current: Guaranteed <1µA
♦ Small 3-Pin SOT23 Package
♦ Initial Voltage Accuracy: 0.2%
♦ Temperature Coefficient: 30ppm/°C max
♦ Temperature Range: -40°C to +85°C
♦ Factory-Trimmed Output Voltages: +1.25V,
+2.048V, +2.5V, +3.0V
♦ Wide Operating Range: 1µA to 2mA
MAX6006–MAX6009
1µA SOT23 Precision Shunt
Voltage Reference
________________________________________________________________ Maxim Integrated Products 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
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.
Selector Guide
PART
OUTPUT
VOLTAGE
(V)
INITIAL
ACCURACY
(%)
TEMPERATURE
COEFFICIENT
(ppm/°C)
MAX6006A 1.25 0.2 30
MAX6006B 1.25 0.5 75
MAX6007A 2.048 0.2 30
MAX6007B 2.048 0.5 75
MAX6008A 2.5 0.2 30
MAX6008B 2.5 0.5 75
MAX6009A 3.0 0.2 30
MAX6009B 3.0 0.5 75
Ordering Information appears at end of data sheet
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