Rainbow Electronics MAX4039 - Manual (Page 3)

MAX4036–MAX4039
Low I
BIAS
, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
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ELECTRICAL CHARACTERISTICS (continued)
(V DD = +3V, V SS = V CM = 0V, V OUT_ = V DD /2, R L to V DD /2, C L = 15pF, T A = +25°C, unless otherwise specified.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
R L = 100k
Ω
, 50mV † V
OUT
† (V
DD - 50mV) 80 108
Large-Signal Voltage Gain A VOL
R L = 5k Ω , 150mV † V OUT † (V DD - 150mV) 78 105
dB
R L = 100k Ω 2 5
Output Voltage Swing High V DD - V OH
R L = 5k
Ω
25 50
mV
R L = 100k Ω 2 5
Output Voltage Swing Low V
OL
- V
SS
R L = 5k
Ω
25 50
mV
Output Short-Circuit Current I SCO To V DD or V SS ±13 mA
Gain-Bandwidth Product GBW 4 kHz
Phase Margin
θ
M 90 Degrees
Slew Rate SR 0.4 V/ms
Power-On Time t
ON
(Note 3) 0.25 ms
Input Noise-Voltage Density e n f = 1kHz 500 nV/ √Hz
Capacitive-Load Stability C LOAD A VCL = 1V/V, no sustained oscillations 5000 pF
REFERENCE (MAX4037/MAX4039)
Reference Voltage V REF 1.226 1.232 1.238 V
Line Regulation
∆
V REF /
∆
V DD
V DD = +1.8V to +3.6V 0.3 %/V
0 † I LOAD † 100µA, sourcing 0.0015
Load Regulation
∆ V REF /
∆ I LOAD -20µA † I LOAD † 0, sinking 0.0075
%/µA
Reference Output Voltage Noise e n 0.1Hz to 10Hz 60 µV P-P
Short to V
DD
0.25
Output Short-Circuit Current I SCR
Short to V SS 1.9
mA
Capacitive-Load Stability Range C LOAD (Note 1) 0 250 pF
ELECTRICAL CHARACTERISTICS
(V DD = +3V, V SS = V CM = 0V, V OUT_ = V DD /2, R L to V DD /2, C L = 15pF, T
A
= T
MIN
to T
MAX , unless otherwise specified.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX4036/MAX4038, guaranteed by PSRR
test
1.4 3.6
Supply Voltage Range V DD
MAX4037/MAX4039, guaranteed by PSRR
and line regulation tests
1.8 3.6
V
V DD = 1.4V 1.7
MAX4036
V DD = 3.6V 1.8
V DD = 1.8V 3.1
MAX4037
V DD = 3.6V 3.2
V DD = 1.4V 2.9
MAX4038
V DD = 3.6V 3.2
V DD = 1.8V 5.2
Supply Current I DD
MAX4039
V DD = 3.6V 5.3
µA