Datasheet
MAX4321
Low-Cost, Low-Voltage, Rail-to-Rail,
Input/Output, SOT23 5MHz Op Amp
_______________________________________________________________________________________ 3
DC ELECTRICAL CHARACTERISTICS
(V
CC
= +5.0V, V
EE
= 0, V
CM
= 0, V
OUT
= V
CC
/2, R
L
= ∞ connected to V
CC
/2, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
AC ELECTRICAL CHARACTERISTICS
(V
CC
= +5.0V, V
EE
= 0, V
CM
= 0, V
OUT
= V
CC
/2, R
L
= 250Ω connected to V
CC
/2, T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range
V
CC
- V
EE
2.4 6.5 V
Supply Current I
CC
V
CM
= V
OUT
= V
CC
/2
1200
μA
Input Offset Voltage V
OS
V
CM
= V
EE
or V
CC
±6mV
Input Offset Voltage
Temperature Coefficient
±2
μV/°C
Input Bias Current I
BIAS
V
CM
= V
EE
or V
CC
±180
nA
Input Offset Current
I
OFFSET
V
CM
= V
EE
or V
CC
±50
nA
Common-Mode Input Voltage
Range
V
CM
Inferred from CMRR test
V
EE
V
CC
V
Common-Mode Rejection Ratio
CMRR V
EE
≤ V
CM
≤ V
CC
54 dB
Power-Supply Rejection Ratio PSRR 2.4V < V
CC
< 6.5V 62 dB
Large-Signal Voltage Gain A
V
V
OUT
= 0.40V to 4.60V, R
L
= 250Ω 66 dB
V
CC
- V
OH
350
Output Voltage Swing V
OUT
R = 250Ω
V
OL
- V
EE
250
mV
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Gain-Bandwidth Product GBP 5 MHz
Phase Margin 64 degrees
Gain Margin 12 dB
Total Harmonic Distortion
and Noise
THD+N
10kHz tone, V
OUT
= 2Vpp,
A
V
= +1V/V
0.003 %
Slew Rate SR V
OUT
= 1V step 2 V/μs
Settling Time to 0.01% t
SETTLE
V
OUT
= 2V step, A
V
= +1V/V 2 μs
Turn-On Time t
ON
V
CC
= 0 to 3V step 1 μs
Input Capacitance C
IN
3pF
Input Noise Voltage Density f = 1kHz 22 nV/√ Hz
Input Noise Current Density f = 1kHz 0.4 pA/√Hz
Note 1: All devices are 100% production tested at T
A
= +25°C. All temperature limits are guaranteed by design and characterization.