MAX6126AASA25/GG8 Maxim Integrated, MAX6126AASA25/GG8 Datasheet

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MAX6126AASA25/GG8

Manufacturer Part Number
MAX6126AASA25/GG8
Description
Voltage & Current References
Manufacturer
Maxim Integrated
Datasheet

Specifications of MAX6126AASA25/GG8

Product
Voltage References
Topology
Series References
Output Voltage
2.048 V
Initial Accuracy
0.06 %
Average Temperature Coefficient (typ)
2 PPM / C
Shunt Current (max)
10 mA
Series Vref - Input Voltage (max)
13 V
The MAX6126 is an ultra-low-noise, high-precision, low-
dropout voltage reference. This family of voltage refer-
ences feature curvature-correction circuitry and
high-stability, laser-trimmed, thin-film resistors that
result in 3ppm/°C (max) temperature coefficients and
an excellent ±0.02% (max) initial accuracy. The propri-
etary low-noise reference architecture produces a low
flicker noise of 1.3µV
60nV/√Hz (2.048V output) without the increased supply
current usually found in low-noise references. Improve
wideband noise to 35nV/√Hz and AC power-supply
rejection by adding a 0.1µF capacitor at the noise
reduction pin. The MAX6126 series mode reference
operates from a wide 2.7V to 12.6V supply voltage
range and load-regulation specifications are guaran-
teed to be less than 0.025Ω for sink and source cur-
rents up to 10mA. These devices are available over the
automotive temperature range of -40°C to +125°C.
The MAX6126 typically draws 380µA of supply current
and is available in 2.048V, 2.500V, 2.800V, 3.000V,
4.096V, and 5.000V output voltages. These devices
also feature dropout voltages as low as 200mV. Unlike
conventional shunt-mode (two-terminal) references that
waste supply current and require an external resistor,
the MAX6126 offers supply current that is virtually inde-
pendent of supply voltage and does not require an
external resistor. The MAX6126 is stable with 0.1µF to
10µF of load capacitance.
The MAX6126 is available in the tiny 8-pin µMAX
well as 8-pin SO packages.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
+ Denotes a lead(Pb)-free/RoHS-compliant package.
Ordering Information continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
MAX6126AASA21+
MAX6126BASA21+
MAX6126A21+
High-Resolution A/D and D/A Converters
ATE Equipment
High-Accuracy Reference Standard
Precision Current Sources
Digital Voltmeters
High-Accuracy Industrial and Process Control
PART
P-P
General Description
Ultra-High-Precision, Ultra-Low-Noise,
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
and wideband noise as low as
TEMP RANGE
Applications
PIN-
PACKAGE
8 SO
8 SO
8 µMAX
®
, as
Series Voltage Reference
o Ultra-Low 1.3µV
o Ultra-Low 3ppm/°C (max) Temperature Coefficient
o ±0.02% (max) Initial Accuracy
o Wide (V
o Low 200mV (max) Dropout Voltage
o 380µA Quiescent Supply Current
o 10mA Sink/Source-Current Capability
o Stable with C
o Low 20ppm/1000hr Long-Term Stability
o 0.025Ω (max) Load Regulation
o 20µV/V (max) Line Regulation
o Force and Sense Outputs for Remote Sensing
VOLTAGE
OUTPUT
Output)
Range
2.048
2.048
2.048
(V)
TOP VIEW
*I.C. = INTERNALLY CONNECTED. DO NOT USE.
OUT
+ 200mV) to 12.6V Supply Voltage
MAXIMUM INITIAL
GNDS
LOAD
GND
ACCURACY (%)
NR
IN
P-P
1
2
4
3
Ordering Information
0.02
0.06
0.06
= 0.1µF to 10µF
Noise (0.1Hz to 10Hz, 2.048V
+
SO/µMAX
MAX6126
Pin Configuration
MAX6126
MAXIMUM TEMPCO
(-40°C to +85°C)
6
8
7
5
19-2647; Rev 6; 8/12
I.C.*
OUTF
OUTS
I.C.*
(ppm/°C)
Features
3
5
3

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MAX6126AASA25/GG8 Summary of contents

Page 1

... SO packages. Applications High-Resolution A/D and D/A Converters ATE Equipment High-Accuracy Reference Standard Precision Current Sources Digital Voltmeters High-Accuracy Industrial and Process Control µMAX is a registered trademark of Maxim Integrated Products, Inc. PART TEMP RANGE MAX6126AASA21+ -40°C to +125°C MAX6126BASA21+ -40°C to +125°C MAX6126A21+ -40° ...

Page 2

... OUT cycle µMAX ∆V / OUT 1000hr +25°C A time = 2.048V) OUT = +25°C.) A MIN TYP 2.048 -0.02 -0.06 -0.06 -0.1 0 0.7 1.3 160 µMAX 100 MAX UNITS V +0.02 +0.06 % +0.06 +0 ppm/° µV µV/ ppm ppm/ 1000hr Maxim Integrated ...

Page 3

... T IN LOAD OUT PARAMETER OUTPUT Output Voltage Output Voltage Accuracy Output Voltage Temperature Coefficient (Note 1) Line Regulation Load Regulation Maxim Integrated Series Voltage Reference = unless otherwise noted. Typical values are MIN MAX SYMBOL CONDITIONS f = 0.1Hz to 10Hz 1kHz, C ...

Page 4

... A grade µMAX 2 B grade µMAX +25°C 3 -40° +125°C 1.3 ≤ 5mA 0.06 OUT I = 10mA 0.12 OUT MAX UNITS 0.2 V 0.4 mA ppm ppm/ 1000hr µV P-P nV/√Hz ms µF 12.6 V 550 µA 725 MAX UNITS V +0.06 % +0. ppm/° µV µV/mA 28 0.2 V 0.4 Maxim Integrated ...

Page 5

... ELECTRICAL CHARACTERISTICS—MAX6126_30 ( 5V 0.1µ LOAD OUT PARAMETER OUTPUT Output Voltage Output Voltage Accuracy Output Voltage Temperature Coefficient (Note 1) Maxim Integrated Series Voltage Reference = unless otherwise noted. Typical values are MIN MAX SYMBOL CONDTIONS Short to GND I SC Short to IN ∆ ...

Page 6

... SO 20 µMAX 100 1. 0 1.2 = 0.1µF 20 3.2 380 = 4.096V) OUT = +25°C.) A MIN TYP 4.096 -0.02 -0.06 -0.06 -0.1 MAX UNITS 25 µV µV/mA 30 0.2 V 0.4 mA ppm ppm/ 1000hr µV P-P nV/√Hz µF ms 12.6 V 550 µA 725 MAX UNITS V +0.02 +0.06 % +0.06 +0.1 Maxim Integrated ...

Page 7

... OUT Short-Circuit Current Thermal Hysteresis (Note 2) Long-Term Stability DYNAMIC CHARACTERISTICS Noise Voltage Capacitive-Load Stability Range Turn-On Settling Time INPUT Supply Voltage Range Quiescent Supply Current Maxim Integrated Series Voltage Reference = unless otherwise noted. Typical values are MIN MAX SYMBOL CONDITIONS ...

Page 8

... MIN TYP 5.000 -0.02 -0.06 -0.06 -0.1 0 +25° -40°C to +125°C 2.5 6.5 = 5mA 0.05 = 10mA 0.1 160 µMAX 100 2.85 145 95 0 MAX UNITS V +0.02 +0.06 % +0.06 +0 ppm/° µV µV/mA 50 0.2 V 0.4 mA ppm ppm/ 1000hr µV P-P nV/√Hz µF Maxim Integrated ...

Page 9

... OUT 2.0490 THREE TYPICAL PARTS 2.0485 2.0480 2.0475 2.0470 2.0465 2.0460 -50 - 100 TEMPERATURE (°C) Maxim Integrated Series Voltage Reference = unless otherwise noted. Typical values are MIN MAX SYMBOL CONDITIONS 0.01 OUT t R final value ...

Page 10

... FREQUENCY (kHz) MAX6126_50 SUPPLY CURRENT vs. INPUT VOLTAGE 900 800 700 600 500 400 300 200 100 INPUT VOLTAGE ( 100 1000 T = +125° +25° -40° Maxim Integrated ...

Page 11

... IN OUT MAX6126_21 LOAD TRANSIENT 400µs/div C = 0.1µ -1mA TO -10mA LOAD OUT 2.048V IN OUT Maxim Integrated Series Voltage Reference Typical Operating Characteristics (continued) = 5.5V for MAX6126_50 0.1µ LOAD MAX6126 toc13 0.4µV/div MAX6126 toc15 10mA I OUT 5mA/div 0mA V OUT AC-COUPLED ...

Page 12

... LOAD OUT 2.048V IN OUT MAX6126_50 LINE TRANSIENT MAX6126 toc22 5.7V V 200mV/div 5.2V V AC-COUPLED 10mV/div 400µs/div C = 0.1µ 5.2V TO 5.7V LOAD OUT MAX6126_50 TURN-ON TRANSIENT MAX6126 toc24 5.5V V 2V/div GND V 2V/div GND 200µs/div C = 0.1µF LOAD OUT IN OUT IN OUT Maxim Integrated ...

Page 13

... MAX6126_21 (2.048V output) and the MAX6126_50 (5.000V output). The Typical Operating Characteristics of the remainder of the MAX6126 family typically lie between those two extremes and can be estimated based on their output voltages. Maxim Integrated Series Voltage Reference Typical Operating Characteristics (continued) = 5.5V for MAX6126_50 0.1µ ...

Page 14

... OUTF, and bring a line from OUTS to join the line from OUTF, at the point where the voltage accu 200mV) TO 12.6V INPUT OUT IN OUTF OUTS MAX6126 * NR 0.1µF* GND GNDS *OPTIONAL. Thermal Hysteresis Output Force and Sense REFERENCE OUTPUT Turn-On Time Maxim Integrated ...

Page 15

... In reality, the absolute static accuracy of a data con- verter is dependent on the combination of many para- meters such as integral nonlinearity, differential nonlinearity, offset error, gain error, as well as voltage reference changes. Maxim Integrated Series Voltage Reference a Single Supply Figure 2. Precision Current Source Error Figure 3. 14-Bit High-Resolution DAC and Positive Reference ...

Page 16

... Figure 4. Temperature Coefficient vs. Operating Temperature Range for a 1 LSB Maximum Error Typical Operating Circuit (V + 200mV) TO 12.6V INPUT OUT IN OUTF OUTS MAX6126 * NR * GND GNDS *OPTIONAL OPERATING TEMPERATURE RANGE ( (°C) MAX MIN PROCESS: BiCMOS REFERENCE OUTPUT LOAD 8 BIT 10 BIT 12 BIT 14 BIT 16 BIT 18 BIT 20 BIT 100 Chip Information Maxim Integrated ...

Page 17

... For the latest package outline information and land patterns (footprints www.maximintegrated.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE 8 µMAX 8 SO Maxim Integrated Series Voltage Reference Ordering Information (continued) OUTPUT PIN- VOLTAGE ...

Page 18

... Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed ...

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