Datasheet

MAX6126
Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
3
Maxim Integrated
ELECTRICAL CHARACTERISTICS—MAX6126_21 (V
OUT
= 2.048V) (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
DYNAMIC CHARACTERISTICS
f = 0.1Hz to 10Hz 1.3 µV
P-P
f = 1kHz, C
NR
= 0 60
Noise Voltage e
OUT
f = 1kHz, C
NR
= 0.1µF 35
nV/√Hz
C
NR
= 0 0.8
Turn-On Settling Time t
R
To V
OUT
= 0.01% of
final value
C
NR
= 0.1µF 20
ms
Capacitive-Load Stability Range C
LOAD
No sustained oscillations 0.1 to 10 µF
INPUT
Supply Voltage Range V
IN
Guaranteed by line-regulation test 2.7 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_25 (V
OUT
= 2.500V)
(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 2.500 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
%
A grade SO 0.5 3
B grade SO 1 5
A grade µMAX 1 3
T
A
= -40°C to +85°C
B grade µMAX 2 7
A grade SO 1 5
B grade SO 2 10
A grade µMAX 2 5
Output Voltage Temperature
Coefficient (Note 1)
TCV
OUT
T
A
= -40°C to
+125°C
B grade µMAX 3 12
ppm/°C
T
A
= +25°C320
Line Regulation
∆V
OUT
/
∆V
IN
2.7V ≤ V
IN
≤ 12.6V
T
A
= -40°C to +125°C40
µV/V
Sourcing: 0 ≤ I
OUT
≤ 10mA 1 25
Load Regulation
∆V
OUT
/
∆I
OUT Sinking: -10mA ≤ I
OUT
≤ 0 1.8 25
µV/mA