Datasheet

LT1498/LT1499
14989fg
3
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
= V
+
V
CM
= V
–
150
150
475
475
μV
μV
ΔV
OS
Input Offset Voltage Shift V
CM
= V
–
to V
+
150 425 μV
Input Offset Voltage Match (Channel-to-Channel) V
CM
= V
+
, V
–
(Note 5) 200 750 μV
I
B
Input Bias Current V
CM
= V
+
V
CM
= V
–
0
–650
250
–250
650
0
nA
nA
ΔI
B
Input Bias Current Shift V
CM
= V
–
to V
+
500 1300 nA
Input Bias Current Match (Channel-to-Channel) V
CM
= V
+
(Note 5)
V
CM
= V
–
(Note 5)
0
–100
10
–10
100
0
nA
nA
I
OS
Input Offset Current V
CM
= V
+
V
CM
= V
–
5
5
65
65
nA
nA
ΔI
OS
Input Offset Current Shift V
CM
= V
–
to V
+
10 130 nA
Input Noise Voltage 0.1Hz to 10Hz 400 nV
P-P
e
n
Input Noise Voltage Density f = 1kHz 12 nV/√Hz
i
n
Input Noise Current Density f = 1kHz 0.3 pA/√Hz
C
IN
Input Capacitance 5pF
A
VOL
Large-Signal Voltage Gain V
S
= 5V, V
O
= 75mV to 4.8V, R
L
= 10k
V
S
= 3V, V
O
= 75mV to 2.8V, R
L
= 10k
600
500
3800
2000
V/mV
V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= V
–
to V
+
V
S
= 3V, V
CM
= V
–
to V
+
81
76
90
86
dB
dB
CMRR Match (Channel-to-Channel) (Note 5) V
S
= 5V, V
CM
= V
–
to V
+
V
S
= 3V, V
CM
= V
–
to V
+
75
70
91
86
dB
dB
PSRR Power Supply Rejection Ratio V
S
= 2.2V to 12V, V
CM
= V
O
= 0.5V 88 105 dB
PSRR Match (Channel-to-Channel) (Note 5) V
S
= 2.2V to 12V, V
CM
= V
O
= 0.5V 82 103 dB
V
OL
Output Voltage Swing (Low) (Note 6) No Load
I
SINK
= 0.5mA
I
SINK
= 2.5mA
14
35
90
30
70
200
mV
mV
mV
V
OH
Output Voltage Swing (High) (Note 6) No Load
I
SOURCE
= 0.5mA
I
SOURCE
= 2.5mA
2.5
50
140
10
100
250
mV
mV
mV
I
SC
Short-Circuit Current V
S
= 5V
V
S
= 3V
±12.5
±12.0
±24
±19
mA
mA
I
S
Supply Current per Amplifi er 1.7 2.2 mA
GBW Gain-Bandwidth Product (Note 7) 6.8 10.5 MHz
SR Slew Rate (Note 8) V
S
= 5V, A
V
= –1, R
L
= Open, V
O
= 4V
V
S
= 3V, A
V
= –1, R
L
= Open
2.6
2.3
4.5
4.0
V/μs
V/μs