Datasheet

MAX6138
0.1%, 25ppm, SC70 Shunt Voltage Reference
with Multiple Reverse Breakdown Voltages
_______________________________________________________________________________________ 9
10
µ
s/div
MAX6138_12
LOAD-TRANSIENT RESPONSE
I
SHUNT
= 10mA
R
L
= 1k
Ω
+2.5mA
V
R
AC-COUPLED
100mV/div
MAX6138 toc14
-2.5mA
10
µ
s/div
MAX6138_25
LOAD-TRANSIENT RESPONSE
I
SHUNT
= 10mA
R
L
= 1k
Ω
+2.5mA
V
R
AC-COUPLED
5mV/div
MAX6138 toc15
-2.5mA
40
µ
s/div
MAX6138_50
LOAD-TRANSIENT RESPONSE
I
SHUNT
= 10mA
R
L
= 1k
Ω
+2.5mA
V
R
AC-COUPLED
100mV/div
MAX6138 toc16
-2.5mA
200ns/div
MAX6138_12
STARTUP CHARACTERISTICS
I
SHUNT
= 100
µ
A
R
S
= 30k
Ω
0
5V
0
MAX6138 toc17
1.2V
V
IN
V
OUT
2µs/div
MAX6138_25
STARTUP CHARACTERISTICS
I
SHUNT
= 100µA
R
S
= 30kΩ
0
5V
0
MAX6138 toc18
2V
V
IN
V
OUT
100µs/div
MAX6138_50
STARTUP CHARACTERISTICS
I
SHUNT
= 100µA
R
S
= 16kΩ
0
V
IN
V
OUT
5V
0
MAX6138 toc19
5V
100 10k1k 100k 1M
MAX6138_12
OUTPUT IMPEDANCE
vs. FREQUENCY
MAX6138 toc20
FREQUENCY (Hz)
IMPEDANCE (Ω)
1000
0.1
1
10
100
C
L
= 0
I
R
=
C
L
= 1µF
I
R
= 1mA
150
µ
A
Typical Operating Characteristics (continued)
(I
R
= 100µA, T
A
= +25°C, unless otherwise noted.)