Datasheet

MAX6190–MAX6195/MAX6198
Precision, Micropower,
Low-Dropout Voltage References
3
Maxim Integrated
ELECTRICAL CHARACTERISTICS—MAX6191
(V
IN
= 5V, I
OUT
= 0nA, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
V
OUT
(Note 3)
T
A
= +25°C
To 0.1%, C
OUT
= 50pF
V
IN
= 5V ±100mV, f = 120Hz
10Hz to 10kHz
0.1Hz to 10Hz
1000hrs at +25°C
Output Voltage
Sourcing: 0 ≤ I
OUT
≤ 500µA
Short to IN
V
2.5V ≤ V
IN
≤ 12.6V
MAX6191A
MAX6191B
Short to GND
MAX6191C
Sinking: -500µA ≤ I
OUT
≤ 0
CONDITIONS
INPUT
nF0 2.2C
OUT
Capacitive-Load Stability Range
µs30t
R
Turn-On Settling Time
dB84V
OUT
/V
IN
Ripple Rejection
µV
RMS
105
µV
P-P
40
e
OUT
Noise Voltage
DYNAMIC
ppm/
1000hrs
50
ΔV
OUT
/
time
Long-Term Stability
ppm75
ΔV
OUT
/
cycle
Temperature Hysteresis
(Note 2)
mA
4
I
SC
Short-Circuit Current
2.043 2.048 2.053
2.046 2.048 2.050
MAX6191B
OUTPUT
MAX6191A
µV/µA
0.12 0.55
ΔV
OUT
/
ΔI
OUT
Load Regulation
µV/V10 100
ΔV
OUT
/
ΔV
IN
Line Regulation
2.038 2.048 2.058MAX6191C
Output-Voltage Temperature
Coefficient (Note 1)
ppm/°C
410
TCV
OUT
UNITSMIN TYP MAXSYMBOLPARAMETER
Supply Voltage Range V
IN
Guaranteed by line-regulation test 2.5 12.6 V
Quiescent Supply Current I
IN
27 35 µA
Change in Supply Current I
IN
/V
IN
2.5V ≤ V
IN
≤ 12.6V 0.8 2 µA/V
INPUT
DYNAMIC
OUTPUT
825
0.18 0.70
4
25