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19-1659; Rev 1; 4/01
Precision, Micropower, Low-Dropout,
High-Output-Current, SOT23 Voltage References
General Description
The MAX6061–MAX6068 are precision, low-dropout,
micropower voltage references. These three-terminal
devices are available with output voltage options of
1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, and 5V.
They feature a proprietary curvature-correction circuit
and laser-trimmed thin-film resistors that result in a very
low temperature coefficient of 20ppm/°C (max) and an
initial accuracy of ±0.2% (max). Specifications apply to
the extended temperature range (-40°C to +85°C).
The MAX6061–MAX6068 typically draw only 90µA of
supply current and can source 5mA or sink 2mA of load
current. Unlike conventional shunt-mode (two-terminal)
references that waste supply current and require an
external resistor, these devices offer a supply current
that is virtually independent of the supply voltage
(8µA/V variation) and do not require an external resis-
tor. Additionally, the internally compensated devices do
not require an external compensation capacitor.
Eliminating the external compensation capacitor saves
valuable board area in space-critical applications. Low
dropout voltage and supply independent, ultra-low sup-
ply current make these devices ideal for battery-operat-
ed, high-performance, low-voltage systems.
The MAX6061–MAX6068 are available in a 3-pin SOT23
package.
o
Ultra-Small 3-Pin SOT23 Package
o
±0.2% (max) Initial Accuracy
o
20ppm/°C (max) Temperature Coefficient
o
5mA Source Current
o
2mA Sink Current
o
No Output Capacitor Required
o
Stable with Capacitive Loads
o
90µA (typ) Quiescent Supply Current
o
200mV (max) Dropout at 1mA Load Current
o
Output Voltage Options: 1.25V, 1.8V, 2.048V, 2.5V,
3V, 4.096V, 4.5V, 5V
o
13µVp-p Noise 0.1Hz to 10Hz (MAX6061)
Features
MAX6061–MAX6068
Ordering Information
PART
TEMP. RANGE
PIN-
PACKAGE
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
TOP
MARK
FZFP
FZFQ
FZFY
FZFZ
FZFV
FZFW
FZGB
FZGC
FZGE
FZGF
FZFM
FZFN
MAX6061AEUR-T
-40°C to +85°C
MAX6061BEUR-T -40°C to +85°C
MAX6062AEUR-T
-40°C to +85°C
MAX6062BEUR-T -40°C to +85°C
MAX6063AEUR-T
-40°C to +85°C
MAX6063BEUR-T -40°C to +85°C
MAX6064AEUR-T
-40°C to +85°C
MAX6064BEUR-T -40°C to +85°C
MAX6065AEUR-T
-40°C to +85°C
MAX6065BEUR-T -40°C to +85°C
MAX6066AEUR-T
-40°C to +85°C
MAX6066BEUR-T -40°C to +85°C
Applications
Analog-to-Digital Converters (ADCs)
Portable Battery-Powered Systems
Notebook Computers
PDAs, GPSs, DMMs
Cellular Phones
Precision 3V/5V Systems
Typical Operating Circuit appears at end of data sheet.
Note:
There is a minimum order increment of 2500 pieces for
SOT23 packages.
Ordering Information continued at end of data sheet.
Selector Guide
PART
MAX6061
MAX6068
MAX6062
MAX6066
MAX6063
MAX6064
MAX6067
MAX6065
OUTPUT
VOLTAGE (V)
1.248
1.800
2.048
2.500
3.000
4.096
4.500
5.000
INPUT VOLTAGE (V)
2.5 to 12.6
2.5 to 12.6
2.5 to 12.6
(V
OUT
+ 200mV) to 12.6
(V
OUT
+ 200mV) to 12.6
(V
OUT
+ 200mV) to 12.6
(V
OUT
+ 200mV) to 12.6
(V
OUT
+ 200mV) to 12.6
Pin Configuration
TOP VIEW
IN
1
MAX6061–
MAX6068
OUT
2
3
GND
SOT23-3
1
________________________________________________________________
Maxim Integrated Products
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.
Precision, Micropower, Low-Dropout,
High-Output-Current, SOT23 Voltage References
MAX6061–MAX6068
ABSOLUTE MAXIMUM RATINGS
(Voltages Referenced to GND)
IN .........................................................................-0.3V 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)
3-Pin SOT23 (derate 4.0mW/°C above +70°C)............320mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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.
ELECTRICAL CHARACTERISTICS—MAX6061, V
OUT
= 1.25V
(V
IN
= +5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Output Voltage
Output Voltage Temperature
Coefficient (Note 2)
Line Regulation
Load Regulation
OUT Short-Circuit Current
Long-Term Stability
Output Voltage Hysteresis (Note 3)
DYNAMIC CHARACTERISTICS
Noise Voltage
Ripple Rejection
Turn-On Settling Time
INPUT CHARACTERISTICS
Supply Voltage Range
Quiescent Supply Current
Change in Supply Current
V
IN
I
IN
∆I
IN
/
∆V
IN
2.5V
≤
V
IN
≤
12.6V
Guaranteed by line regulation test
2.5
90
3.4
12.6
125
8.0
V
µA
µA/V
e
OUT
∆V
OUT
/
∆V
IN
t
R
f = 0.1Hz to 10Hz
f = 10Hz to 10kHz
V
IN
= 5V ± 100mV, f = 120Hz
To V
OUT
= 0.1% of final value, C
OUT
= 50pF
13
15
86
50
µVp-p
µV
RMS
dB
µs
SYMBOL
V
OUT
TCV
OUT
∆V
OUT
/
∆V
IN
∆V
OUT
/
∆I
OUT
I
SC
∆V
OUT
/
time
∆V
OUT
/
cycle
T
A
= +25°C
MAX6061A
MAX6061B
2.5V
≤
V
IN
≥
12.6V
Sourcing: 0
≤
I
OUT
≤
5mA
Sinking: -2mA
≤
I
OUT
≤
0
Short to GND
Short to IN
1000hr at +25°C
CONDITIONS
MAX6061A (0.32%)
MAX6061B (0.48%)
MIN
1.244
1.242
TYP
1.248
1.248
6
6
10
0.5
1.3
25
25
62
130
MAX
1.252
1.254
20
30
90
0.9
3.0
UNITS
V
ppm/°C
µV/V
mV/mA
mA
ppm/
1000hr
ppm
2
_______________________________________________________________________________________
Precision, Micropower, Low-Dropout,
High-Output-Current, SOT23 Voltage References
ELECTRICAL CHARACTERISTICS—MAX6068, V
OUT
= 1.80V
(V
IN
= +5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Output Voltage
Output Voltage Temperature
Coefficient (Note 2)
Line Regulation
Load Regulation
OUT Short-Circuit Current
Long-Term Stability
Output Voltage Hysteresis (Note 3)
DYNAMIC CHARACTERISTICS
Noise Voltage
Ripple Rejection
Turn-On Settling Time
INPUT CHARACTERISTICS
Supply Voltage Range
Quiescent Supply Current
Change in Supply Current
V
IN
I
IN
∆I
IN
/
∆V
IN
2.5V
≤
V
IN
≤
12.6V
Guaranteed by line regulation test
2.5
90
3.3
12.6
125
8.0
V
µA
µA/V
e
OUT
∆V
OUT
/
∆V
IN
t
R
f = 0.1Hz to 10Hz
f = 10Hz to 10kHz
V
IN
= 5V
±100mV,
f = 120Hz
To V
OUT
= 0.1% of final value, C
OUT
= 50pF
22
25
86
115
µVp-p
µV
RMS
dB
µs
SYMBOL
V
OUT
TCV
OUT
∆V
OUT
/
∆V
IN
∆V
OUT
/
∆I
OUT
I
SC
∆V
OUT
/
time
∆V
OUT
/
cycle
T
A
= +25°C
MAX6068A
MAX6068B
2.5V
≤
V
IN
≥
12.6V
Sourcing: 0
≤
I
OUT
≤
5mA
Sinking: -2mA
≤
I
OUT
≤
0
Short to GND
Short to IN
1000hr at +25°C
CONDITIONS
MAX6068A (0.17%)
MAX6068B (0.39%)
MIN
1.797
1.793
TYP
1.800
1.800
6
6
33
0.5
1.5
25
25
62
130
MAX
1.803
1.807
20
30
200
0.9
4
UNITS
V
ppm/°C
µV/V
mV/mA
mA
ppm/
1000hr
ppm
MAX6061–MAX6068
_______________________________________________________________________________________
3
Precision, Micropower, Low-Dropout,
High-Output-Current, SOT23 Voltage References
MAX6061–MAX6068
ELECTRICAL CHARACTERISTICS—MAX6062, V
OUT
= 2.048V
(V
IN
= +5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Output Voltage
Output Voltage Temperature
Coefficient (Note 2)
Line Regulation
Load Regulation
OUT Short-Circuit Current
Long-Term Stability
Output Voltage Hysteresis
(Note 3)
DYNAMIC CHARACTERISTICS
Noise Voltage
Ripple Rejection
Turn-On Settling Time
INPUT CHARACTERISTICS
Supply Voltage Range
Quiescent Supply Current
Change in Supply Current
V
IN
I
IN
I
IN
/V
IN
2.5V
≤
V
IN
≤
12.6V
Guaranteed by line-regulation test
2.5
90
3.3
12.6
125
8.0
V
µA
µA/V
e
OUT
∆V
OUT
/
∆V
IN
t
R
f = 0.1Hz to 10Hz
f = 10Hz to 10kHz
V
IN
= 5V ±100mV, f = 120Hz
To V
OUT
= 0.1% of final value, C
OUT
= 50pF
22
25
86
115
µVp-p
µV
RMS
dB
µs
SYMBOL
V
OUT
TCV
OUT
∆V
OUT
/
∆V
IN
∆V
OUT
/
∆I
OUT
I
SC
∆V
OUT
/
time
∆V
OUT
/
cycle
T
A
= +25°C
MAX6062A
MAX6062B
2.5V
≤
V
IN
≤
12.6V
Sourcing: 0
≤
I
OUT
≤
5mA
Sinking: -2mA
≤
I
OUT
≤
0
Short to GND
Short to IN
1000hr at +25°C
CONDITIONS
MAX6062A (0.24%)
MAX6062B (0.39%)
MIN
2.043
2.040
TYP
2.048
2.048
6
6
33
0.5
1.5
25
25
62
130
MAX
2.053
2.056
20
30
200
0.9
4
UNITS
V
ppm/°C
µV/V
mV/mA
mA
ppm/
1000hr
ppm
4
_______________________________________________________________________________________
Automotive Electronics
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