19-1650; Rev 3; 8/05
Precision, Micropower, Low-Dropout, High-
Output-Current, SO-8 Voltage References
General Description
____________________________Features
♦ ±±2mV 2ꢀaxVꢁIninꢀꢂVꢃAAcuꢀAꢄV
The MAX6161–MAX6168 are precision, low-dropout,
micropower voltage references. These three-terminal
♦ 5pp2/°CV 2ꢀaxVTe2peuꢀicueVCoeffnAneIi
♦ 52ꢃVSocuAeVCcuueIiVꢀiV0.92m/2ꢃ
♦ ±2ꢃVSnIkVCcuueIiVꢀiV±.52m/2ꢃ
devices operate with an input voltage range from (V
OUT
+ 200mV) to 12.6V and are available with output volt-
age options of 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V,
4.5V, and 5V. They feature a proprietary curvature-cor-
rection circuit and laser-trimmed thin-film resistors that
result in a very low temperature coefficient of 5ppm/°C
(max) and an initial accuracy of 2mV (max).
Specifications apply to the extended temperature range
(-40°C to +85°C).
♦ SiꢀbꢂeVwnihV1µFVCꢀpꢀAninveVLoꢀds
♦ NoVEaieuIꢀꢂVCꢀpꢀAniouVReqcnued
♦ 100µꢃV iꢄpxVQcnesAeIiVScppꢂꢄVCcuueIi
♦ ±002mV 2ꢀaxVDuopociVꢀiV12ꢃVLoꢀdVCcuueIi
The MAX6161–MAX6168 typically draw only 100µA of
supply current and can source 5mA (4mA for
MAX6161) or sink 2mA of load current. Unlike conven-
tional shunt-mode (two-terminal) references that waste
supply current and require an external resistor, these
devices offer a supply current that is virtually indepen-
dent of the supply voltage (8µA/V variation) and do not
require an external resistor. Additionally, the internally
compensated devices do not require an external com-
pensation capacitor. Eliminating the external compen-
sation capacitor saves valuable board area in
space-critical applications. A low-dropout voltage and
a supply-independent, ultra-low supply current make
these devices ideal for battery-operated, high-perfor-
mance, low-voltage systems.
♦ OcipciVmoꢂiꢀgeVOpinoIs:V1.±5m,V1.8m,V±.048m,V±.5m,
3m,V4.096m,V4.5m,V5m
Ordering Information
OUTPUT
mOLTꢃGE
mx
PꢁN-
PꢃCKꢃGE
PꢃRT*
TEMPVRꢃNGE
MꢃX6161_ESA -40°C to +85°C
MꢃX616±_ESA -40°C to +85°C
MꢃX6163_ESA -40°C to +85°C
MꢃX6164_ESA -40°C to +85°C
MꢃX6165_ESA -40°C to +85°C
MꢃX6166_ESA -40°C to +85°C
MꢃX6167_ESA -40°C to +85°C
MꢃX6168_ESA -40°C to +85°C
8 SO
8 SO
8 SO
8 SO
8 SO
8 SO
8 SO
8 SO
1.250
2.048
3.000
4.096
5.000
2.500
4.500
1.800
The MAX6161–MAX6168 are available in 8-pin SO
packages.
________________________Applications
*Insert the code for the desired initial accuracy and temperature
coefficient (from the Selector Guide) in the blank to complete
the part number.
Analog-to-Digital Converters (ADCs)
Portable Battery-Powered Systems
Notebook Computers
___________________Pin Configuration
PDAs, GPS, DMMs
Cellular Phones
TOP VIEW
Precision +3V/+5V Systems
N.C.
IN
1
2
3
4
8
7
6
5
N.C.
N.C.
OUT
N.C.
MAX6161–
MAX6168
N.C.
GND
SO
Typical Operating Circuit and Selector Guide appear at end
of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.