Datasheet
4
LT1803/LT1804/LT1805
180345f
The ● denotes specifications which apply over the 0°C ≤ T
A
≤ 70°C
temperature range. V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= 0V ● 0.50 3.5 mV
V
CM
= 0V (DD Package) ● 1.25 5 mV
V
CM
= 0V (SOT-23 Package) ● 1.25 6 mV
V
CM
= V
S
● 1.60 8.5 mV
∆V
OS
Input Offset Shift V
CM
= 0V to V
S
– 2V ● 0.05 0.8 mV
Input Offset Voltage Match V
CM
= 0V ● 0.75 5.5 mV
(Channel-to-Channel) (Note 9) V
CM
= 0V (DD Package) ● 1.50 7.5 mV
V
OS
TC Input Offset Voltage Drift (Note 8) ● 10 35 µV/°C
I
B
Input Bias Current V
CM
= 1V ● 150 1100 nA
V
CM
= V
S
– 0.2V ● 3.2 6 µA
Input Bias Current Match V
CM
= 1V ● 120 1500 nA
(Channel-to-Channel) (Note 9) V
CM
= V
S
– 0.2V ● 120 1800 nA
I
OS
Input Offset Current V
CM
= 1V ● 100 1400 nA
V
CM
= V
S
– 0.2V ● 50 1400 nA
A
VOL
Large-Signal Voltage Gain V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k to V
S
/2 ● 15 50 V/mV
V
S
= 5V, V
O
= 1V to 4V, R
L
= 100Ω to V
S
/2 ● 1.4 3.7 V/mV
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
=1k to V
S
/2 ● 10 40 V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= 0V to 3V ● 71 95 dB
V
S
= 3V, V
CM
= 0V to 1V ● 61 90 dB
CMRR Match (Channel-to-Channel) (Note 9) V
S
= 5V, V
CM
= 0V to 3V ● 65 90 dB
V
S
= 3V, V
CM
= 0V to 1V ● 55 85 dB
Input Common Mode Range ● 0V
S
V
PSRR Power Supply Rejection Ratio V
S
= 2.5V to 10V, V
CM
= 0V ● 65 87 dB
PSRR Match (Channel-to-Channel) (Note 9) V
S
= 2.5V to 10V, V
CM
= 0V ● 59 87 dB
Minimum Supply Voltage (Note 6) ● 2.3 2.5 V
V
OL
Output Voltage Swing Low (Note 7) No Load ● 19 80 mV
I
SINK
= 5mA ● 100 225 mV
I
SINK
= 15mA ● 200 450 mV
V
OH
Output Voltage Swing High (Note 7) No Load ● 19 80 mV
I
SOURCE
= 5mA ● 150 350 mV
I
SOURCE
= 15mA ● 450 900 mV
I
SC
Short-Circuit Current (Note 3) V
S
= 5V ● 17 40 mA
V
S
= 3V ● 15 28 mA
I
S
Supply Current per Amplifier ● 3 3.75 mA
GBW Gain Bandwidth Product V
S
= 5V, Frequency = 2MHz, R
L
= 1k to 2.5V ● 45 82 MHz
SR Slew Rate V
S
= 5V, A
V
= –1, R
L
= 1k to V
S
/2, V
O
= 0.5V to 4.5V ● 45 93 V/µs
Measured at V
O
= 1.5V, 3.5V