SO (derate 8.3 mW/°C above +70°C) ......................666.7mW
Operating Temperature Range ........................ -40°C to +125NC
Junction Temperature .....................................................+150NC
Storage Temperature Range............................ -65°C to +150NC
Lead Temperature (soldering, 10s) .............................. +300NC
Soldering Temperature (reflow) .................................... +260NC
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
PACkAGE THERMAL CHARACTERISTICS (Note 1)
5-Pin SOT23
Junction-to-Ambient Thermal Resistance (Θ
JA
) .... 324.3°C/W
Junction-to-Case Thermal Resistance (Θ
JC
) ...............82°C/W
8-Pin SOT23
Junction-to-Ambient Thermal Resistance (Θ
JA
) ....... 196°C/W
Junction-to-Case Thermal Resistance (Θ
JC
) ...............70°C/W
µMAX
Junction-to-Ambient Thermal Resistance (Θ
JA
) ........221°C/W
Junction-to-Case Thermal Resistance (Θ
JC
) ...............42°C/W
SO
Junction-to-Ambient Thermal Resistance (Θ
JA
) ........120°C/W
Junction-to-Case Thermal Resistance (Θ
JC
) ...............37°C/W
Note 1:
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to
www.maximintegrated.com/thermal-tutorial.
ELECTRICAL CHARACTERISTICS
(V
DD
= 10V,
V
SS
= 0V, V
IN+
= V
IN-
= V
DD
/2, R
L
= 10kI to V
DD
/2, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are
at T
A
= +25°C.) (Note 2)
PARAMETER
POWER SuPPLY
Supply Voltage Range
Power-Supply Rejection Ratio
(Note 3)
Quiescent Current per Amplifier
(MAX44250)
Quiescent Current per Amplifier
(MAX44251/MAX44252)
Power-Up Time
DC SPECIFICATIONS
Input Common-Mode Range
Common-Mode Rejection Ratio
(Note 3)
Input Offset Voltage
(MAX44250) (Note 3)
Maxim Integrated
SYMBOL
V
DD
PSRR
I
DD
I
DD
t
ON
CONDITIONS
Guaranteed by PSRR
V
DD
= 2.7V to 20V, V
CM
= 0V
R
L
=
J
R
L
=
J
T
A
= +25NC
-40NC < T
A
< +125NC
T
A
= +25NC
-40NC < T
A
< +125NC
MIN
2.7
140
TYP
MAX
20
uNITS
V
dB
145
1.22
1.15
25
1.7
1.85
1.55
1.75
mA
mA
Fs
V
CM
CMRR
Guaranteed by CMRR test
T
A
= +25NC, V
CM
= -0.05V to (V
DD
-
1.5V)
-40NC < T
A
< +125NC
V
SS
-
0.05
133
130
3
140
V
DD
-
1.5
V
dB
V
OS
T
A
= +25NC
9
FV
2
MAX44250/MAX44251/MAX44252
20V, Ultra-Precision, Low-Noise Op Amps
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 10V,
V
SS
= 0V, V
IN+
= V
IN-
= V
DD
/2, R
L
= 10kI to V
DD
/2, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are
at T
A
= +25°C.) (Note 2)
PARAMETER
Input Offset Voltage (MAX44251/
MAX44252)(Note 3)
Input Offset Voltage Drift
(MAX44250) (Note 3)
Input Offset Voltage Drift
(MAX44251/MAX44252)(Note 3)
Input Bias Current (MAX44250)
(Note 3)
Input Bias Current (MAX44251/
MAX44252)(Note 3)
Input Offset Current (Note 3)
SYMBOL
V
OS
TC V
OS
TC V
OS
I
B
I
B
I
OS
A
VOL
250mV
P
V
OUT
P
V
DD
- 250mV,
R
L
= 10kI to
V
DD
/2
To V
DD
or V
SS
V
OL
V
OL
V
OH
V
OH
V
OUT
- V
SS
V
OUT
- V
SS
V
DD
- V
OUT
V
DD
- V
OUT
T
A
= +25NC
-40NC < T
A
<
+125NC
Noncontinuous
R
L
= 10kI to V
DD
/2
R
L
= 2kI to V
DD
/2
R
L
= 10kI to V
DD
/2
R
L
= 2kI to V
DD
/2
R
L
= 10kI to V
DD
/2
R
L
= 2kI to V
DD
/2
R
L
= 10kI to V
DD
/2
R
L
= 2kI to V
DD
/2
145
136
96
12
45
12
45
18
71
18
71
5.9
123
0.6
2
10
C
L
= 20pF
A
V
= 1V/V, V
OUT
= 2V
P-P
No sustained oscillation, A
V
= 1V/V
V
OUT
= 2V
P-P
,
f = 1kHz
A
V
= +1V/V,
R
L
= 10kI to
f = 20kHz
V
DD
/2
To 0.01%, V
OUT
= 2V step, A
V
= -1V/V
60
8
500
-124
-119
400
dB
ns
3
CONDITIONS
T
A
= +25NC
-40NC < T
A
< +125NC
MIN
TYP
3
MAX
6
7
uNITS
FV
nV/NC
nV/NC
pA
pA
pA
5
5
T
A
= +25NC
T
A
= +25NC
-40NC < T
A
< +125NC
400
154
200
200
26
19
1400
1300
2400
Open-Loop Gain (Note 3)
dB
Output Short-Circuit Current
Output Voltage Low
(MAX44250)
Output Voltage Low
(MAX44251/MAX44252)
Output Voltage High
(MAX44250)
Output Voltage High
(MAX44251/MAX44252)
AC SPECIFICATIONS
Input Voltage-Noise Density
Input Voltage Noise
Input Current-Noise Density
Input Capacitance
Gain-Bandwidth Product
Phase Margin
Slew Rate
Capacitive Loading
Total Harmonic Distortion
Settling Time
Maxim Integrated
mA
26
92
25
85
40
148
37
135
mV
mV
mV
mV
e
N
i
N
C
IN
GBW
PM
SR
C
L
THD
f = 1kHz
0.1Hz < f < 10Hz
f = 1kHz
nV/√Hz
nV
P-P
pA/√Hz
pF
MHz
Degrees
V/Fs
pF
MAX44250/MAX44251/MAX44252
20V, Ultra-Precision, Low-Noise Op Amps
ELECTRICAL CHARACTERISTICS
(V
DD
= 3.3V,
V
SS
= 0V, V
IN+
= V
IN-
= V
DD
/2, R
L
= 10kI to V
DD
/2, T
A
= -40°C to +125°C, unless otherwise noted. Typical values
are at T
A
= +25°C.) (Note 2)
PARAMETER
POWER SuPPLY
Quiescent Current Per Amplifier
(MAX44250)
Quiescent Current Per Amplifier
(MAX44251/MAX44252))
Power-Up Time
DC SPECIFICATIONS
Input Common-Mode Range
Common-Mode Rejection Ratio
(Note 3)
Input Offset Voltage
(MAX44250)(Note 3)
Input Offset Voltage (MAX44251/
MAX44252)(Note 3)
Input Offset Voltage Drift
(MAX44250)(Note 3)
Input Offset Voltage Drift
(MAX44251/MAX44252)(Note 3)
Input Bias Current
(MAX44250)(Note 3)
Input Bias Current (MAX44251/
MAX44252)(Note 3)
Input Offset Current (Note 3)
V
CM
CMRR
Guaranteed by CMRR test
T
A
= +25NC, V
CM
= -0.05V to (V
DD
-
1.5V)
-40NC < T
A
< +125NC
V
OS
V
OS
TC V
OS
TC V
OS
I
B
I
B
I
OS
A
VOL
250mV
P
V
OUT
P
V
DD
- 250mV,
R
L
= 10kI to
V
DD
/2
To V
DD
or V
SS
V
OL
V
OL
V
OH
V
OUT
- V
SS
V
OUT
- V
SS
V
DD
- V
OUT
T
A
= +25NC
-40NC < T
A
< +125NC
Noncontinuous
R
L
= 10kI to V
DD
/2
R
L
= 2kI to V
DD
/2
R
L
= 10kI to V
DD
/2
R
L
= 2kI to V
DD
/2
R
L
= 10kI to V
DD
/2
R
L
= 2kI to V
DD
/2
136
133
58
5
17
5
17
9
29
26
46
22
42
22
52
mA
mV
mV
mV
T
A
= +25NC
-40NC < T
A
< +125NC
400
151
dB
T
A
= +25NC
-40NC < T
A
< +125NC
8
8
200
200
V
SS
-
0.05
120
117
3
3
8.5
5.5
6.5
25
18
1450
1100
1200
FV
FV
nV/NC
nV/NC
pA
pA
pA
129
V
DD
-
1.5
V
I
DD
I
DD
t
ON
R
L
=
J
R
L
=
J
T
A
= +25NC
-40NC < T
A
< +125NC
T
A
= +25NC
-40NC < T
A
< +125NC
25
1.1
1.17
1.65
1.80
1.5
1.65
mA
mA
Fs
SYMBOL
CONDITIONS
MIN
TYP
MAX
uNITS
dB
Open-Loop Gain (Note 3)
Output Short-Circuit Current
Output Voltage Low
(MAX44250)
Output Voltage Low
(MAX44251/MAX44252)
Output Voltage High
Maxim Integrated
4
MAX44250/MAX44251/MAX44252
20V, Ultra-Precision, Low-Noise Op Amps
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3.3V,
V
SS
= 0V, V
IN+
= V
IN-
= V
DD
/2, R
L
= 10kI to V
DD
/2, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are
at T
A
= +25°C.) (Note 2)
PARAMETER
AC SPECIFICATIONS
Input Voltage-Noise Density
Input Voltage Noise
Input Current-Noise Density
Input Capacitance
Gain-Bandwidth Product
Phase Margin
Slew Rate
Capacitive Loading
i
N
C
IN
GBW
PM
SR
C
L
C
L
= 20pF
A
V
= 1V/V, V
OUT
= 1V
P-P
, 10% to 90%
No sustained oscillation, A
V
= 1V/V
V
OUT
= 1V
P-P
,
A
V
= +1V/V,
V
CM
= V
DD
/4,
R
L
= 10kI to
V
DD
/2
f = 1kHz
e
N
f = 1kHz
0.1Hz < f < 10Hz
f = 1kHz
6.2
123
0.3
2
10
60
5
500
-124
dB
f = 20kHz
-100
200
ns
nV/√Hz
nV
P-P
pA/√Hz
pF
MHz
Degrees
V/Fs
pF
SYMBOL
CONDITIONS
MIN
TYP
MAX
uNITS
Total Harmonic Distortion
THD
Settling Time
To 0.01%, V
OUT
= 1V step, A
V
= -1V/V
Note 2:
All devices are 100% production tested at T
A
= +25°C. Temperature limits are guaranteed by design.
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