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參數資料
| 型號： | MAX6126BAUA41 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Ultra-High-Precision, Ultra-Low-Noise, Series Voltage Reference |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 4.096 V, PDSO8 |
| 封裝： | MICRO, SOP-8 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 412K |
| 代理商： | MAX6126BAUA41 |
General Description
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
P-P
and wideband noise as low as
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 0.025
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, 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 independent of
supply voltage and does not require an external resis-
tor. The MAX6126 is stable with 0.1μF to 10μF of load
capacitance.
The MAX6126 is available in the tiny 8-pin μMAX, as
well as 8-pin 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
Features
o
Ultra-Low 1.3μV
P-P
Noise (0.1Hz to 10Hz, 2.048V
Output)
o
Ultra-Low 3ppm/°C (max) Temperature Coefficient
o
±0.02% (max) Initial Accuracy
o
Wide (V
OUT
+ 200mV) to 12.6V Supply Voltage
Range
o
Low 200mV (max) Dropout Voltage
o
380μA Quiescent Supply Current
o
10mA Sink/Source-Current Capability
o
Stable with C
LOAD
= 0.1μF to 10μF
o
Low 20ppm/1000hr Long-Term Stability
o
0.025
(max) Load Regulation
o
20μV/V (max) Line Regulation
o
Force and Sense Outputs for Remote Sensing
M
Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
________________________________________________________________
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.
1
OUTS
I.C.*
GNDS
1
2
8
7
I.C.*
OUTF
IN
GND
NR
SO/
μ
MAX
TOP VIEW
3
4
6
5
MAX6126
*I.C. = INTERNALLY CONNECTED. DO NOT USE.
Pin Configuration
Ordering Information
19-2647; Rev 2; 6/03
PART
TEMP RANGE
PIN-
PACKAGE
OUTPUT
VOLTAGE
(V)
MAXIMUM INITIAL
ACCURACY (%)
MAXIMUM TEMPCO
(-40
°
C to +85
°
C)
(ppm/
°
C)
TOP
MARK
MAX6126AASA21
MAX6126BASA21
MAX6126AAUA21
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
8 SO
8 SO
8 μMAX
2.048
2.048
2.048
0.02
0.06
0.06
3
5
3
—
—
6126A21
Ordering Information continued at end of data sheet.
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