Datasheet

MAX6126
Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
6
Maxim Integrated
ELECTRICAL CHARACTERISTICS—MAX6126_30 (V
OUT
= 3.000V) (continued)
(V
IN
= 5V, C
LOAD
= 0.1µF, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
T
A
= +25°C425
Line Regulation
∆V
OUT
/
∆V
IN
3.2V ≤ V
IN
≤ 12.6V
T
A
= -40°C to +125°C50
µV/V
Sourcing: 0 ≤ I
OUT
≤ 10mA 1.5 30
Load Regulation
∆V
OUT
/
∆I
OUT Sinking: -10mA ≤ I
OUT
≤ 0 2.8 30
µV/mA
I
OUT
= 5mA 0.06 0.2
Dropout Voltage (Note 3) V
IN
- V
OUT
∆V
OUT
= 0.1%
I
OUT
= 10mA 0.11 0.4
V
Short to GND 160
OUT Short-Circuit Current I
SC
Short to IN 20
mA
SO 20
Thermal Hysteresis (Note 2)
∆V
OUT
/
cycle
µMAX 80
ppm
SO 20
Long-Term Stability
∆V
OUT
/
time
1000hr at T
A
= +25°C
µMAX 100
ppm/
1000hr
DYNAMIC CHARACTERISTICS
f = 0.1Hz to 10Hz 1.75 µV
P-P
f = 1kHz, C
NR
= 0 90
Noise Voltage e
OUT
f = 1kHz, C
NR
= 0.1µF 55
nV/√Hz
Capacitive-Load Stability Range C
LOAD
No sustained oscillations 0.1 to 10 µF
C
NR
= 0 1.2
Turn-On Settling Time t
R
To V
OUT
= 0.01%
of final value
C
NR
= 0.1µF 20
ms
INPUT
Supply Voltage Range V
IN
Guaranteed by line-regulation test 3.2 12.6 V
T
A
= +25°C 380 550
Quiescent Supply Current I
IN
T
A
= -40°C to +125°C 725
µA
ELECTRICAL CHARACTERISTICS—MAX6126_41 (V
OUT
= 4.096V)
(V
IN
= 5V, C
LOAD
= 0.1µF, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
OUTPUT
Output Voltage V
OUT
T
A
= +25°C 4.096 V
A grade SO -0.02 +0.02
B grade SO -0.06 +0.06
A grade µMAX -0.06 +0.06
Output Voltage Accuracy
Referred to V
OUT
,
T
A
= +25°C
B grade µMAX -0.1 +0.1
%