User guide

MAX9039–MAX9043/MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—B Grade (1% Initial Accuracy) (continued)
(V
CC
= 5V, V
EE
= 0V, V
CM
= 0V, I
OUT
= 0A, I
REF
= 0A, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
(Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
COMPARATOR
Input Offset Voltage (Note 4) V
OS
Over entire common-mode range ±1 ±9.0 mV
Input Hysteresis V
HYST
±3.0 mV
Input Bias Current (Notes 5, 6, 7) I
B
Specified common-mode range ±0.001 ±25.0 nA
Input Offset Current (Note 5) I
OS
Specified common-mode range ±0.5 pA
Common-Mode Voltage Range
(Notes 5, 8)
CMVR V
EE
V
CC
V
Common-Mode Rejection Ratio
(Note 5)
CMRR Specified common-mode range 52 80 dB
MAX9039–MAX9043, 2.5V ≤ V
CC
≤ 5.5V 55 80
Power-Supply Rejection Ratio PSRR
MAX9050–MAX9053, 2.7V ≤ V
CC
≤ 5.5V 55 80
dB
Input Capacitance (Note 5) C
IN
2.5 pF
V
CC
= 5V 95
Output Short-Circuit Current I
SC
V
OUT
= V
EE
or V
CC
V
CC
= 2.7V 35
mA
V
CC
= 5V, I
SINK
= 8mA 0.2 0.55
Output Voltage Low V
OL
V
CC
= 2.7V, I
SINK
= 3.5mA 0.15
V
V
CC
= 5V, I
SOURCE
= 8mA 4.45 4.85
Output Voltage High V
OH
V
CC
= 2.7V, I
SOURCE
= 3.5mA 2.55
V
C
L
= 15pF 40
C
L
= 50pF 50Output Rise/Fall Times t
R
/t
F
C
L
= 200pF 80
ns
50mV overdrive 450
Output Propagation Delay
(Note 9)
t
PD+
/t
PD-
C
L
= 15pF,
V
CC
= 2.7V
100mV overdrive 400
ns
Power-Up Time t
PU
Time to V
OUT
valid logic state 20 µs
VOLTAGE REFERENCE
MAX9039 1.218 1.230 1.242
MAX9040–MAX9043 2.028 2.048 2.068Output Voltage V
REF
T
A
= +25°C
MAX9050–MAX9053 2.475 2.500 2.525
V
Output Voltage Temperature
Coefficient (Note 10)
TCV
REF
20 100 ppm/°C
MAX9039–MAX9043 +50 +200
Line Regulation
∆V
REF
/
∆V
CC
2.5V ≤ V
CC
≤ 5.5V
MAX9050–MAX9053 +50 +200
µV/V
Sourcing: 0µA ≤ I
REF
≤ 500µA 2 4
Load Regulation
∆V
REF
/
∆I
REF Sinking: -500µA ≤ I
REF
≤ 0µA 3.5 6
µV/µA
Output Short-Circuit Current I
SC
V
REF
= V
EE
or V
CC
4mA
Thermal Hysteresis (Note 11) T
HYST
130 ppm
Long-Term Stability 1000h at T
A
= +25°C 100 ppm
f = 0.1Hz to 10Hz 40 µV
P-P
Noise Voltage E
OUT
f = 10Hz to 10kHz 105 µV
RMS