Datasheet

3
LT1803/LT1804/LT1805
180345f
ELECTRICAL CHARACTERISTICS
T
A
= 25°C; V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= 0V 0.35 2 mV
V
CM
= 0V (DD Package) 1.00 3 mV
V
CM
= 0V (SOT-23 Package) 1.00 5 mV
V
CM
= V
S
1.50 8 mV
∆V
OS
Input Offset Shift V
CM
= 0V to V
S
– 2V 0.125 0.50 mV
Input Offset Voltage Match V
CM
= 0V 0.5 3.5 mV
(Channel-to-Channel) (Note 9) V
CM
= 0V (DD Package) 1.0 5.0 mV
I
B
Input Bias Current V
CM
= 1V 125 750 nA
V
CM
= V
S
3 5.5 µA
Input Bias Current Match V
CM
= 1V 100 1250 nA
(Channel-to-Channel) (Note 9) V
CM
= V
S
100 1500 nA
I
OS
Input Offset Current V
CM
= 1V 100 1000 nA
V
CM
= V
S
50 1000 nA
Input Noise Voltage 0.1Hz to 10Hz 4 µV
P-P
e
n
Input Noise Voltage Density f = 10kHz 21 nV/√Hz
i
n
Input Noise Current Density f = 10kHz 2.5 pA/√Hz
C
IN
Input Capacitance 2pF
A
VOL
Large-Signal Voltage Gain V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k to V
S
/2 20 60 V/mV
V
S
= 5V, V
O
= 1V to 4V, R
L
= 100Ω to V
S
/2 2 4.5 V/mV
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
= 1k to V
S
/2 15 45 V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= 0V to 3V 75 96 dB
V
S
= 3V, V
CM
= 0V to 1V 66 90 dB
CMRR Match (Channel-to-Channel) (Note 9) V
S
= 5V, V
CM
= 0V to 3V 69 91 dB
V
S
= 3V, V
CM
= 0V to 1V 60 85 dB
Input Common Mode Range 0␣ ␣ V
S
V
PSRR Power Supply Rejection Ratio V
S
= 2.5V to 10V, V
CM
= 0V 68 90 dB
PSRR Match (Channel-to-Channel) (Note 9) V
S
= 2.5V to 10V, V
CM
= 0V 62 90 dB
Minimum Supply Voltage (Note 6) 2.3 2.5 V
V
OL
Output Voltage Swing Low (Note 7) No Load 17 60 mV
I
SINK
= 5mA 80 150 mV
I
SINK
= 15mA 180 300 mV
V
OH
Output Voltage Swing High (Note 7) No Load 17 60 mV
I
SOURCE
= 5mA 125 250 mV
I
SOURCE
= 15mA 350 600 mV
I
SC
Short-Circuit Current (Note 3) V
S
= 5V 20 42 mA
V
S
= 3V 18 34 mA
I
S
Supply Current per Amplifier 2.7 3 mA
GBW Gain Bandwidth Product V
S
= 5V, Frequency = 2MHz, R
L
= 1k to 2.5V 50 85 MHz
SR Slew Rate V
S
= 5V, A
V
= –1, R
L
= 1k to V
S
/2, V
O
= 0.5V to 4.5V 65 100 V/µs
Measured at V
O
= 1.5V, 3.5V
FPBW Full Power Bandwidth (Note 10) V
S
= 5V, A
V
= –1, V
O
= 0.5V to 4.5V, R
L
= 1k to V
S
/2 8 MHz
HD Harmonic Distortion V
S
= 5V, A
V
= 1, R
L
= 1k, V
O
= 2V
P-P
, f
C
= 1MHz –75 dBc
t
S
Settling Time 0.01%, V
S
= 5V, V
STEP
= 2V, A
V
= 1, R
L
= 1k 350 ns
∆G Differential Gain (NTSC) V
S
= 5V, A
V
= 2, R
L
= 150Ω 0.15 %
∆θ Differential Phase (NTSC) V
S
= 5V, A
V
= 2, R
L
= 150Ω 1 Deg