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MAX6166AESA+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
General Description
The MAX6161–MAX6168 are precision, low-dropout,
micropower voltage references. These three-terminal
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).
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.
The MAX6161–MAX6168 are available in 8-pin SO
packages.
________________________Applications
Analog-to-Digital Converters (ADCs)
Portable Battery-Powered Systems
Notebook Computers
PDAs, GPS, DMMs
Cellular Phones
Precision +3V/+5V Systems
____________________________Features
♦ ±2mV (max) Initial Accuracy
♦ 5ppm/°C (max) Temperature Coefficient
♦ 5mA Source Current at 0.9mV/mA
♦ 2mA Sink Current at 2.5mV/mA
♦ Stable with 1µF Capacitive Loads
♦ No External Capacitor Required
♦ 100µA (typ) Quiescent Supply Current
♦ 200mV (max) Dropout at 1mA Load Current
♦ Output Voltage Options: 1.25V, 1.8V, 2.048V, 2.5V,
3V, 4.096V, 4.5V, 5V
19-1650; Rev 3; 8/05
MAX6161–MAX6168
Precision, Micropower, Low-Dropout, High-
Output-Current, SO-8 Voltage References
________________________________________________________________ Maxim Integrated Products 1
OUT
N.C.GND
1
2
8
7
N.C.
N.C.IN
N.C.
N.C.
SO
TOP VIEW
3
4
6
5
MAX6161–
MAX6168
___________________Pin Configuration
*Insert the code for the desired initial accuracy and temperature
coefficient (from the Selector Guide) in the blank to complete
the part number.
Typical Operating Circuit and Selector Guide appear at end
of data sheet.
PART*
TEMP RANGE
PIN-
PACKAGE
OUTPUT
VOLTAGE
(V)
MAX6161_ESA
-40°C to +85°C
8 SO 1.250
MAX6162_ESA
-40°C to +85°C
8 SO 2.048
MAX6163_ESA
-40°C to +85°C
8 SO 3.000
MAX6164_ESA
-40°C to +85°C
8 SO 4.096
MAX6165_ESA
-40°C to +85°C
8 SO 5.000
MAX6166_ESA
-40°C to +85°C
8 SO 2.500
MAX6167_ESA
-40°C to +85°C
8 SO 4.500
MAX6168_ESA
-40°C to +85°C
8 SO 1.800
Ordering Information
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.
MAX6161–MAX6168
Precision, Micropower, Low-Dropout, High-
Output-Current, SO-8 Voltage References
2 _______________________________________________________________________________________
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.
Voltages Referenced to GND
IN …………............................................................-0.3 to +13.5V
OUT………………........................................-0.3V to (V
IN
+ 0.3V)
Output Short-Circuit Duration to GND or IN (V
IN
≤ 6V) ...Continuous
Output Short-Circuit Duration to GND or IN (V
IN
> 6V)…...........60s
Continuous Power Dissipation (T
A
= +70°C)
8-Pin SO (derate 5.88mW/°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
ELECTRICAL CHARACTERISTICS—MAX6161 (V
OUT
= 1.25V)
(V
IN
= +5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
TYP
MAX
UNITS
MAX6161A
1.248 1.250 1.252
Output Voltage V
OUT
T
A
= +25°C
MAX6161B
1.246 1.250 1.254
V
MAX6161A 4 10
Output Voltage Temperature
Coefficient (Note 2)
TCV
OUT
MAX6161B 6 15
ppm/°C
Line Regulation
ΔV
OUT
/
ΔV
IN
2.5V
<
V
IN
<
12.6V 12
150
µV/V
Sourcing: 0
<
I
OUT
<
4mA 0.5 0.9
Load Regulation
ΔV
OUT
/
ΔI
OUT
Sinking: -2mA
<
I
OUT
<
0 1.3 2.5
mV/mA
Short to GND 110
OUT Short-Circuit Current I
SC
Short to IN 25
mA
Long-Term Stability
ΔV
OUT
/
time
1000hr at +25°C 115
ppm/
1000hr
Output Voltage Hysteresis
(Note 3)
ΔV
OUT
/
cycle
125
ppm
DYNAMIC CHARACTERISTICS
f = 0.1Hz to 10Hz 20
µVp-p
Noise Voltage e
OUT
f = 10Hz to 10kHz 15
µV
RMS
Ripple Rejection
V
OUT
/V
IN
V
IN
= +5V ±100mV, f = 120Hz 80 dB
Turn-On Settling Time t
R
V
OUT
to 0.1% of final value, C
OUT
= 50pF 50 µs
INPUT CHARACTERISTICS
Supply Voltage Range V
IN
Guaranteed by line-regulation test 2.5
12.6
V
Quiescent Supply Current I
IN
125
150
µA
Change in Supply Current
ΔI
IN
/ΔV
IN
2.5V < V
IN
< 12.6V 3.2 8.0
µA/V
MAX6161–MAX6168
Precision, Micropower, Low-Dropout, High-
Output-Current, SO-8 Voltage References
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—MAX6168 (V
OUT
= 1.800V)
(V
IN
= +5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
TYP
MAX
UNITS
MAX6168A
1.798 1.800 1.802
Output Voltage V
OUT
T
A
= +25°C
MAX6168B
1.795 1.800 1.805
V
MAX6168A 2 5
Output Voltage Temperature
Coefficient (Note 2)
TCV
OUT
MAX6168B 4 10
ppm/°C
Line Regulation
ΔV
OUT
/
ΔV
IN
2.5V ≤ V
IN
≥ 12.6V 42
200
µV/V
Sourcing: 0
<
I
OUT
<
5mA 0.5 0.9
Load Regulation
ΔV
OUT
/
ΔI
OUT
Sinking: -2mA
<
I
OUT
<
0 1.5 4
mV/mA
Short to GND 110
OUT Short-Circuit Current I
SC
Short to IN 25
mA
Long-Term Stability
ΔV
OUT
/
time
1000hr at +25°C80
ppm/
1000hr
Output Voltage Hysteresis
(Note 3)
ΔV
OUT
/
cycle
125
ppm
DYNAMIC CHARACTERISTICS
f = 0.1Hz to 10Hz 22
µVp-p
Noise Voltage e
OUT
f = 10Hz to 10kHz 25
µV
RMS
Ripple Rejection
ΔV
OUT
/
ΔV
IN
V
IN
= +5V ±100mV, f = 120Hz 78 dB
Turn-On Settling Time t
R
V
OUT
to 0.1% of final value, C
OUT
= 50pF 100 µs
INPUT CHARACTERISTICS
Supply Voltage Range V
IN
Guaranteed by line-regulation test 2.5
12.6
V
Quiescent Supply Current I
IN
100
120
µA
Change in Supply Current
ΔI
IN
/ΔV
IN
2.5V
<
V
IN
<
12.6V 3.4 8.0
µA/V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

MAX6166AESA+T

Mfr. #:
Buy MAX6166AESA+T
Manufacturer:
Maxim Integrated
Description:
Voltage References uPower Low-Dropout Voltage Ref
Lifecycle:
New from this manufacturer.
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