Datasheet
LT1880
3
1880fa
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
S
= 5V, 0V; V
CM
= 2.5V unless otherwise noted. (Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CMRR Common Mode Rejection Ratio 1V < V
CM
< 3.8V
l
116 135 dB
PSRR Power Supply Rejection Ratio V
–
= 0V, V
CM
= 1.5V; 2.7V < V
+
< 32V
l
110 135 dB
Minimum Operating Supply Voltage
l
2.4 2.7 V
A
VOL
Large Signal Voltage Gain R
L
= 10k; 1V < V
OUT
< 4V
R
L
= 2k; 1V < V
OUT
< 4V
R
L
= 1k; 1V < V
OUT
< 4V
l
l
l
500
400
400
300
300
250
1600
800
400
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
V
OL
Output Voltage Swing Low No Load
I
SINK
= 100μA
I
SINK
= 1mA
l
l
l
20
35
130
55
65
200
mV
mV
mV
V
OH
Output Voltage Swing High
(Referred to V
+
)
V
+
= 5V; No Load
V
+
= 5V; I
SOURCE
= 100μA
V
+
= 5V; I
SOURCE
= 1mA
l
l
l
130
150
220
250
270
380
mV
mV
mV
I
S
Supply Current per Amplifi er V
+
= 3V
l
1.2 1.8
2.2
mA
mA
V
+
= 5V
l
1.2 1.9
2.3
mA
mA
V
+
= 12V
l
1.35 2
2.4
mA
mA
I
SC
Short-Circuit Current V
OUT
Short to GND
V
OUT
Short to V
+
l
l
10
10
18
20
mA
mA
GBW Gain-Bandwidth Product f = 20kHz 0.8 1.1 MHz
t
S
Settling Time 0.01%, V
OUT
= 1.5V to 3.5V
A
V
= –1, R
L
= 2k
10 μs
FPBW Full Power Bandwidth (Note 7) V
OUT
= 4V
P-P
32 kHz
THD Total Harmonic Distortion and Noise V
O
= 2V
P-P
, A
V
= –1, f = 1kHz, R
f
= 1k, BW = 22kHz
V
O
= 2V
P-P
, A
V
= 1, f = 1kHz, R
L
= 10k, BW = 22kHz
0.002
0.0008
%
%
SR
+
Slew Rate Positive A
V
= –1
l
0.25
0.2
0.4 V/μs
V/μs
SR
–
Slew Rate Negative A
V
= –1
l
0.25
0.25
0.55 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.
V
S
= ±15V, V
CM
= 0V unless otherwise noted. (Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage
0°C < T
A
< 70°C
–40°C < T
A
< 85°C
l
l
40 150
200
250
μV
μV
μV
Input Offset Voltage Drift
(Note 6)
0°C < T
A
< 70°C
–40°C < T
A
< 85°C
l
l
0.3
0.3
1.2
1.2
μV/°C
μV/°C
I
OS
Input Offset Current
0°C < T
A
< 70°C
–40°C < T
A
< 85°C
l
l
150 900
1200
1400
pA
pA
pA
I
B
Input Bias Current
0°C < T
A
< 70°C
–40°C < T
A
< 85°C
l
l
150 900
1200
1500
pA
pA
pA
Input Noise Voltage 0.1Hz to 10Hz 0.5 μV/p-p