Datasheet

(V
DD
= +2.7V, V
SS
= 0V, V
CM
= 0V, V
OUT
= V
DD
/2, R
L
connected from OUT to V
DD
/ 2, SHDN_ = V
DD
(MAX4245/MAX4247 only),
T
A
= -40°C to +125°C, unless otherwise noted.) (Note 1)
(V
DD
= +2.7V, V
SS
= 0V, V
CM
= 0V, V
OUT
= V
DD
/2, R
L
connected from OUT to V
DD
/ 2, SHDN_ = V
DD
(MAX4245/MAX4247 only),
T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Voltage Range V
DD
Inferred from PSRR test 2.5 5.5 V
Supply Current (Per Amplier) I
DD
V
DD
= +2.7V 800 µA
Supply Current in Shutdown I
SHDN_
SHDN_ = V
SS
(Note 2) 1 µA
Input Offset Voltage V
OS
V
SS
≤ V
CM
≤ V
DD
(Note 4) ±3.0 mV
Input Offset Voltage Drift TCV
OS
V
SS
≤ V
CM
≤ V
DD
(Note 4) ±2 µV/°C
Input Bias Current I
B
V
SS
≤ V
CM
≤ V
DD
(Note 4) ±100 nA
Input Offset Current I
OS
V
SS
≤ V
CM
≤ V
DD
(Note 4) ±10 nA
Input Common-Mode
Voltage Range
V
CM
Inferred from CMRR test (Note 4) V
SS
V
DD
V
Common-Mode Rejection Ratio CMRR V
SS
≤ V
CM
≤ V
DD
(Note 4) 60 dB
Power-Supply Rejection Ratio PSRR 2.5V ≤ V
DD
≤ 5.5V 70 dB
Large-Signal Voltage Gain A
V
V
SS
+ 0.2V ≤ V
OUT
≤ V
DD
- 0.2V,
R
L
= 2kΩ
85 dB
Output Voltage Swing High V
OH
Specied as V
DD
- V
OUT
, R
L
= 2kΩ 90 mV
Output Voltage Swing Low V
OL
Specied as V
OUT
- V
SS
, R
L
= 2kΩ 90 mV
Output Leakage Current in
Shutdown
I
OUT
(SH)
Device in Shutdown Mode (SHDN_ = V
SS
),
V
SS
≤ V
OUT
≤ V
DD
(Note 3)
±1.0 µA
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Gain-Bandwidth Product GBW 1.0 MHz
Phase Margin Φ
M
70 degrees
Gain Margin G
M
20 dB
Slew Rate SR 0.4 V/µs
Input Voltage-Noise Density e
n
f = 10kHz 52 nV/√Hz
Input Current-Noise Density i
n
f = 10kHz 0.1 pA/√Hz
Capacitive-Load Stability C
LOAD
A
V
= 1 (Note 3) 470 pF
Shutdown Delay Time t
(SH)
(Note 2) 3 µs
Enable Delay Time t
(EN)
(Note 2) 4 µs
Power-On Time t
ON
4 µs
Input Capacitance C
IN
2.5 pF
Total Harmonic Distortion THD
f = 10kHz, V
OUT
= 2V
P-P
, A
V
= +1,
V
DD
= +5.0V, Load = 100kΩ to V
DD
/2
0.01 %
Settling Time to 0.01% t
S
V
OUT
= 4V step, V
DD
= +5.0V, A
V
= +1 10 µs
MAX4245/MAX4246/
MAX4247
Ultra-Small, Rail-to-Rail I/O with Disable,
Single-/Dual-Supply, Low-Power Op Amps
www.maximintegrated.com
Maxim Integrated
3
Electrical Characteristics
Electrical Characteristics (continued)