Datasheet

MAX6138
0.1%, 25ppm, SC70 Shunt Voltage Reference
with Multiple Reverse Breakdown Voltages
_______________________________________________________________________________________ 7
0
1.5
1.0
0.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 5 10 2015
MAX6138_25
REVERSE VOLTAGE vs. I
SHUNT
MAX61438 toc06
I
SHUNT
(mA)
REVERSE VOLTAGE CHANGE (mV)
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
0
1.5
1.0
0.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 5 10 2015
MAX6138_50
REVERSE VOLTAGE vs. I
SHUNT
MAX61438 toc07
I
SHUNT
(mA)
REVERSE VOLTAGE CHANGE (mV)
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
4
µ
s/div
MAX6138_12
LOAD-TRANSIENT RESPONSE
I
SHUNT
= 100
µ
A
±
25
µ
A
R
L
= 48k
Ω
+25
µ
A
V
R
AC-COUPLED
10mV/div
MAX6138 toc08
-25
µ
A
10
µ
s/div
MAX6138_25
LOAD-TRANSIENT RESPONSE
I
SHUNT
= 100
µ
A
R
L
= 100k
Ω
+25
µ
A
V
R
AC-COUPLED
10mV/div
MAX6138 toc09
-25
µ
A
Typical Operating Characteristics (continued)
(I
R
= 100µA, T
A
= +25°C, unless otherwise noted.)
1kΩ
V
B
+
-
I
SHUNT
+ I
LOAD
V
R
R
L
V
GEN
Figure 1. Load-Transient Circuit