Datasheet

UCSP, Single-Supply, Low-Noise,
Low-Distortion, Rail-to-Rail Op Amps
4 Maxim Integrated
MAX4249–MAX4257
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 5V, V
SS
= 0V, V
CM
= 0V, V
OUT
= V
DD
/2, R
L
connected to V
DD
/2, SHDN = V
DD
, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
f = 1kHz
0.0004
MAX4250–MAX4254
A
V
= 1V/V, V
OUT
= 2V
P-P
,
R
L
= 1kΩ to GND
(Note 7)
f = 20kHz
0.006
f = 1kHz
0.0012
Total Harmonic Distortion Plus
Noise
THD+N
MAX4249/MAX4255/
MAX4256/MAX4257
A
V
= 1V/V, V
OUT
= 2V
P-P
,
R
L
= 1kΩ to GND (Note 7)
f = 20kHz
0.007
%
Capacitive-Load Stability
No sustained oscillations
400 pF
MAX4250–MAX4254, A
V
= 1V/V 10
Gain Margin GM
MAX4249/MAX4255/MAX4256/MAX4257,
A
V
= 10V/V
12.5
dB
MAX4250–MAX4254, A
V
= 1V/V 74
Phase Margin ΦM
MAX4249/MAX4255/MAX4256/MAX4257,
A
V
= 10V/V
68
Degrees
MAX4250–MAX4254 6.7
Settling Time
To 0.01%,
V
OUT
= 2V step
MAX4249/MAX4255/
MAX4256/MAX4257
1.6
µs
MAX4251/MAX4253 0.8
Delay Time to Shutdown t
SH
I
VDD = 5% of
normal
operation
MAX4249/MAX4256 1.2
µs
MAX4251/MAX4253 8
Delay Time to Enable t
EN
V
OUT = 2.5V,
V
OUT settles to
0.1%
MAX4249/MAX4256 3.5
µs
Power-Up Delay Time t
PU
V
DD = 0 to 5V step,
V
OUT stable to 0.1%
6 µs
Note 2: SHDN is available on the MAX4249/MAX4251/MAX4253/MAX4256 only.
Note 3: All device specifications are 100% tested at T
A
= +25°C. Limits over temperature are guaranteed by design.
Note 4: Guaranteed by the PSRR test.
Note 5: Offset voltage prior to reflow on the UCSP.
Note 6: Guaranteed by design.
Note 7: Lowpass-filter bandwidth is 22kHz for f = 1kHz and 80kHz for f = 20kHz. Noise floor of test equipment = 10nV/!Hz.