LT1881/LT1882
6
18812fb
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS
C/I Grades H/MP Grades
UNITSMIN TYP MAX MIN TYP MAX
Input Noise Voltage 0.1Hz to 10Hz 0.5 0.5 μV
P-P
e
n
Input Noise Voltage Density f = 1kHz 14 14 nV/√Hz
i
n
Input Noise Current Density f = 1kHz 0.03 0.03 pA/√Hz
R
IN
Input Resistance Differential Mode
Common Mode
l
l
20
100
20
100
MΩ
GΩ
C
IN
Input Capacitance
l
22pF
V
CM
Input Voltage Range
l
V
–
+ 1.0
V
–
+ 1.2
V
+
– 1.0
V
+
– 1.2
V
–
+ 1.0
V
–
+ 1.2
V
+
– 1.0
V
+
– 1.2
V
V
CMRR Common Mode Rejection Ratio –13.5V < V
CM
< 13.5V
l
114 130 110 130 dB
+PSRR Positive Power Supply
Rejection Ratio
V
–
= –15V, V
CM
= 0V;
1.5V < V
+
< 18V
l
110 132 108 132 dB
–PSRR Negative Power Supply
Rejection Ratio
V
+
= 15V, V
CM
= 0V;
–1.5V < V
–
< –18V
l
106 132 104 132 dB
Minimum Operating
Supply Voltage
l
±1.2 ±1.35 ±1.2 ±1.35 V
A
VOL
Large-Signal Voltage Gain R
L
= 10k; –13.5V < V
OUT
< 13.5V
l
1000
700
1600 1000
500
1600 V/mV
V/mV
R
L
= 2k; –13.5V < V
OUT
< 4V
l
175
125
420 175
110
420 V/mV
V/mV
R
L
= 1k; 1V < V
OUT
< 4V
l
90
65
230 90
7
230 V/mV
V/mV
V
OL
Output Voltage Swing Low
(Referred to V
EE
)
No Load
I
SINK
= 100μA
I
SINK
= 1mA
I
SINK
= 5mA
l
l
l
l
20
25
70
270
40
50
150
600
20
25
70
270
50
60
200
750
mV
mV
mV
mV
V
OH
Output Voltage Swing High
(Referred to V
CC
)
No Load
I
SOURCE
= 100μA
I
SOURCE
= 1mA
I
SOURCE
= 5mA
l
l
l
l
120
130
180
360
220
230
300
600
120
130
180
360
300
325
450
800
mV
mV
mV
mV
I
S
Supply Current Per Amplifi er V
S
= ±15V
l
0.5 0.85 1.1
1.6
0.5 0.85 1.1
2.0
mA
mA
I
SC
Short-Circuit Current V
OUT
Short to V
–
l
20
15
40
40
20
10
40
40
mA
mA
V
OUT
Short to V
+
l
20
15
30
30
20
10
30
30
mA
mA
GBW Gain Bandwidth Product f = 20kHz 0.4 0.85 0.4 0.85 MHz
Channel Separation f = 1kHz 120 120 dB
t
S
Settling Time 0.01%, V
OUT
= –5V to 5V,
A
V
= –1, R
L
= 2k
30 30 μs
SR
+
Slew Rate Positive A
V
= –1
l
0.21
0.18
0.4 0.21
0.15
0.4 V/μs
V/μs
SR
–
Slew Rate Negative A
V
= –1
l
0.13
0.1
0.20 0.11
0.07
0.20 V/μs
V/μs
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. Split supply operation V
S
= ±15V, V
CM
= 0V unless otherwise noted.
(Note 5)