Datasheet

3Maxim Integrated
MAX44259/MAX44260/MAX44261/MAX44263
1.8V, 15MHz Low-Offset,
Low-Power, Rail-to-Rail I/O 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, V
CAL
= V
SHDN
= V
DD
, T
A
= -40NC to +125NC. Typical values are
at T
A
= +25NC, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Open-Loop Gain AOL
0.4V P VOUT
P VDD - 0.4V,
ROUT = 10kI
MAX44259/
MAX44260/MAX44261
100 115
dB
MAX44263 97 115
0.4V P VOUT
P VDD - 0.4V,
ROUT = 600I
MAX44259/
MAX44260/MAX44261
91 100
MAX44263 86 100
0.4V P VOUT P VDD - 0.4V, ROUT = 32I 80
Output Short-Circuit Current ISC To VDD or VSS 50 mA
Output Voltage Swing
VOL -
VSS
ROUT = 10kI 20
mV
ROUT = 600I 50
ROUT = 32I 400 700
VDD -
VOH
ROUT = 10kI
MAX44259/
MAX44260/MAX44261
10
MAX44263 10
ROUT = 600I
MAX44259/
MAX44260/MAX44261
40
MAX44263 50
ROUT = 32I 400 800
AC CHARACTERISTICS
Input Voltage-Noise Density en f = 10kHz 12.7 nV/√Hz
Input Current-Noise Density in f = 10kHz 1.2 fA/√Hz
Gain-Bandwidth Product GBWP 15 MHz
Slew Rate SR 7 V/Fs
Settling Time
VOUT = 2VP-P, VDD = 3.3V, AV = 1V/V,
CL = 30pF (load), settle to 0.01%
1.7 µs
Capacitive Loading CLOAD No sustained oscillation 300 pF
Total Harmonic Distortion THD f = 10kHz, VO = 2VP-P, AV = 1, ROUT = 10kI -110 dB
Output Transient Recovery Time
DVOUT = 0.2V, VDD = 3.3V, AV = 1V/V;
RS = 20Ω, CL = 1nF (load)
1 µs
POWER-SUPPLY CHARACTERISTICS
Power-Supply Range VDD
Guaranteed by PSRR 1.8 5.5
V
TA = 0NC to +70NC 1.7 5.5
Power-Supply Rejection Ratio PSRR VCM = VDD/2
MAX44259/MAX44260/
MAX44261
82 95
dB
MAX44263 76 95