Datasheet

MAX6143
High-Precision Voltage Reference with
Temperature Sensor
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—MAX6143_33 (V
OUT
= 3.3V)
(V
IN
= V
SHDN
= +10V, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
OUTPUT
MAX6143A_33 (0.06%)
3.2980
3.3
3.3020
Output Voltage V
OUT
No load, T
A
= +25°C
MAX6143B_33 (0.1%)
3.2967
3.3
3.3033
V
Output Adjustment Range ∆V
TRIM
R
POT
= 10kΩ ±3 ±6%
MAX6143AASA 1.5 3
Output-Voltage
Temperature Coefficient
(Note 2)
TCV
OUT
T
A
= -40°C to +125°C
MAX6143BASA 3 10
ppm/°C
T
A
= +25°C 0.6 5
Line Regulation (Note 3)
∆V
OUT
/
∆V
IN
5.3V ≤ V
IN
≤ 40V
T
A
= -40°C to +125°C 0.8 10
ppm/V
T
A
= +25°C210
Sourcing:
0 ≤ I
OUT
≤ 10mA
T
A
= -40°C to +125°C215
T
A
= +25°C50
500
Load Regulation (Note 3)
∆V
OUT
/
∆I
OUT
Sinking:
-0.6mA ≤ I
OUT
≤ 0
T
A
= -40°C to +125°C90
900
ppm/
mA
OUT shorted to GND 60
Output Short-Circuit Current
I
SC
OUT shorted to IN 3
mA
Temperature Hysteresis
(Note 4)
∆V
OUT
/
cycle
120
ppm
Long-Term Stability
∆V
OUT
/
time
1000 hours at T
A
= +25°C50
ppm
DYNAMIC
f = 0.1Hz to 10Hz 5
µV
P-P
Noise Voltage e
OUT
f = 10Hz to 1kHz 9.3
µV
RMS
Turn-On Settling Time t
R
To V
OUT
= 0.1% of final value, C
OUT
= 50pF 180 µs
ELECTRICAL CHARACTERISTICS—MAX6143_25 (V
OUT
= 2.5V) (continued)
(V
IN
= V
SHDN
= +5V, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SHUTDOWN (SHDN)
Logic-High Input Voltage
V
IH
2.0 V
Logic-Low Input Voltage V
IL
0.8 V
Logic-High Input Current
I
IH
20 µA
Logic-Low Input Current I
IL
2µA
TEMP OUTPUT
TEMP Output Voltage V
TEMP
570
mV
TEMP Temperature
Coefficient
TC
TEMP
1.9
mV/°C