Datasheet

LT1801/LT1802
3
18012fc
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= 0V
V
CM
= 0V (MS8)
V
CM
= 0V (DD)
V
CM
= V
S
75
140
175
0.5
350
500
800
3
μV
μV
μV
mV
ΔV
OS
Input Offset Shift V
CM
= 0V to V
S
– 1.5V 20 185 μV
Input Offset Voltage Match
(Channel-to-Channel) (Note 9)
V
CM
= 0V
V
CM
= 0V (MS8)
V
CM
= 0V (DD)
100
150
280
650
900
1200
μV
μV
μV
I
B
Input Bias Current V
CM
= 1V
V
CM
= V
S
25
500
250
1500
nA
nA
Input Bias Current Match
(Channel-to-Channel) (Note 9)
V
CM
= 1V
V
CM
= V
S
25
25
350
500
nA
nA
I
OS
Input Offset Current V
CM
= 1V
V
CM
= V
S
25
25
200
200
nA
nA
Input Noise Voltage 0.1Hz to 10Hz 1.4 μV
P-P
e
n
Input Noise Voltage Density f = 10kHz 8.5 nV/√Hz
i
n
Input Noise Current Density f = 10kHz 1 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 at V
S
/2
V
S
= 5V, V
O
= 1V to 4V, R
L
= 100Ω at V
S
/2
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
= 1k at V
S
/2
35
3.5
30
85
8
85
V/mV
V/mV
V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= 0V to 3.5V
V
S
= 3V, V
CM
= 0V to 1.5V
85
78
105
97
dB
dB
CMRR Match (Channel-to-Channel) (Note 9) V
S
= 5V, V
CM
= 0V to 3.5V
V
S
= 3V, V
CM
= 0V to 1.5V
79
72
105
97
dB
dB
Input Common Mode Range 0 V
S
V
PSRR Power Supply Rejection Ratio V
S
= 2.5V to 10V, V
CM
= 0V 78 97 dB
PSRR Match (Channel-to-Channel) (Note 9) V
S
= 2.5V to 10V, V
CM
= 0V 72 97 dB
Minimum Supply Voltage (Note 6) 2.3 2.5 V
V
OL
Output Voltage Swing Low (Note 7) No Load
I
SINK
= 5mA
I
SINK
= 20mA
16
85
225
60
200
500
mV
mV
mV
V
OH
Output Voltage Swing High (Note 7) No Load
I
SOURCE
= 5mA
I
SOURCE
= 20mA
18
120
450
60
250
800
mV
mV
mV
I
SC
Short-Circuit Current V
S
= 5V
V
S
= 3V
20
20
45
40
mA
mA
I
S
Supply Current per Amplifi er 1.6 2 mA
GBW Gain Bandwidth Product Frequency = 2MHz 40 80 MHz
SR Slew Rate V
S
= 5V, A
V
= –1, R
L
= 1k, V
O
= 1V to 4V 12.5 25 V/μs
FPBW Full Power Bandwidth V
S
= 5V, A
V
= 1, V
O
= 4V
P-P
2MHz
HD Harmonic Distortion V
S
= 5V, A
V
= 1, R
L
= 1k, V
O
= 2V
P-P
, f
C
= 500kHz –75 dBc
t
S
Settling Time 0.01%, V
S
= 5V, V
STEP
= 2V, A
V
= 1, R
L
= 1k 250 ns
ΔG Differential Gain (NTSC) V
S
= 5V, A
V
= 2, R
L
= 150Ω 0.35 %
Δθ Differential Phase (NTSC) V
S
= 5V, A
V
= 2, R
L
= 150Ω 0.4 Deg
T
A
= 25°C, V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted.