Bias, Electrical characteristics (continued) – Rainbow Electronics MAX4039 User Manual
Page 4
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
= T
MIN
to T
MAX
, unless otherwise specified.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OPERATIONAL AMPLIFIERS
Input Offset Voltage
V
OS
±8
mV
Input Offset Voltage Temperature
Coefficient
TCV
OS
±1
µV/°C
Input Bias Current
I
B
±100
pA
Input Offset Current
I
OS
±200
pA
V
DD
= 1.4V
(MAX4036/MAX4038 only)
V
SS
V
DD
-
0.4
V
DD
= 1.8V
V
SS
V
DD
-
0.4
Input Common-Mode Voltage
Range
V
CM
Guaranteed by
CMRR test
V
DD
= 3.3V
V
SS
V
DD
-
0.2
V
V
DD
= 1.4V, V
SS
≤ V
CM
≤ (V
DD
- 0.4V)
(MAX4036/MAX4038 only)
44
V
DD
= 1.8V, V
SS
≤ V
CM
≤ (V
DD
- 0.4V)
50
Common-Mode Rejection Ratio
CMRR
V
DD
= 3.3V, V
SS
≤ V
CM
≤ (V
DD
- 0.2V)
52
dB
1.4V ≤ V
DD
≤ 3.6V
(MAX4036/MAX4038 only)
60
Power-Supply Rejection Ratio
PSRR
1.8V ≤ V
DD
≤ 3.6V
60
dB
R
L
= 100k
Ω
, 50mV ≤ V
OUT
≤ (V
DD
- 50mV)
75
Large-Signal Voltage Gain
A
VOL
R
L
= 5k
Ω
, 150mV ≤ V
OUT
≤ (V
DD
- 150mV)
73
dB
R
L
= 100k
Ω
10
Output Voltage Swing High
V
DD
- V
OH
R
L
= 5k
Ω
100
mV
R
L
= 100k
Ω
10
Output Voltage Swing Low
V
OL
- V
SS
R
L
= 5k
Ω
100
mV
REFERENCE (MAX4037/MAX4039)
Reference Voltage Temperature
Coefficient
TCV
REF
(Note 1)
20
80
ppm/°C
Line Regulation
∆
V
REF
/
∆
V
DD
V
DD
= 1.8V to 3.6V
0.6
%/V
0 ≤ I
LOAD
≤ 100µA, sourcing
0.003
Load Regulation
∆
V
REF
/
∆
I
LOAD
-20µA ≤ I
LOAD
≤ 0, sinking
0.015
%/µA
Capacitive-Load Stability Range
C
LOAD
(Note 1)
0
250
pF
Note 1: Guaranteed by design.
Note 2: All devices are production tested at T
A
= +25°C. All temperature limits are guaranteed by design.
Note 3: Output settles within 1% of final value.
MAX4036–MAX4039
Low I
BIAS
, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
4
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