Datasheet

5
LT1793
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
Voltage Noise vs Frequency
INPUT VOLTAGE NOISE (nV/√Hz)
4.2
PERCENT OF UNITS (%)
30
40
50
7.4
1793 G02
20
10
0
5.0
5.8
6.6
4.6 7.8
5.4
6.2
7.0
8.2
T
A
= 25°C
V
S
= ±15V
510 OP AMPS TESTED
1kHz Input Noise Voltage
Distribution
TIME (SEC)
VOLTAGE NOISE (1µV/DIV)
2468
1793 G01
100
0.1Hz to 10Hz Voltage Noise
FREQUENCY (Hz)
110
1
10
100
100 1k 10k
1793 G03
RMS VOLTAGE NOISE DENSITY (nV/√Hz)
T
A
= 25°C
V
S
= ±15V
1/f CORNER
30Hz
Common Mode Limit
vs Temperature
Voltage Noise
vs Chip Temperature
TEMPERATURE (°C)
–75
VOLTAGE NOISE (AT 1kHz) (nV/√Hz)
6
7
8
1793 G04
5
4
2
0
50
100
3
10
9
–50 –25
25
75
125
V
S
= ±15V
TEMPERATURE (°C)
–60
COMMON MODE LIMIT (V)
REFERRED TO POWER SUPPLY
V
+
0
–0.5
–1.0
–1.5
–2.0
100
1793 G05
4.0
3.0
2.5
3.5
V
–
+2.0
–20
20
60
140
V
+
= 5V TO 20V
V
–
= –5V TO –20V
Common Mode Rejection Ratio
vs Frequency
FREQUENCY (Hz)
40
COMMON MODE REJECTION RATIO (dB)
80
120
20
60
100
1k 100k 1M 10M
1793 G06
0
10k
T
A
= 25°C
V
S
= ±15V
Power Supply Rejection Ratio
vs Frequency
FREQUENCY (Hz)
10
0
POWER SUPPLY REJECTION RATIO (dB)
20
40
60
80
120
100
1k 10k 100k
1793 G07
1M 10M
100
T
A
= 25°C
+PSRR
–PSRR
Gain and Phase Shift
vs Frequency
FREQUENCY (MHz)
0.1
–10
VOLTAGE GAIN (dB)
PHASE SHIFT (DEG)
30
40
50
1 10 100
1793 G09
20
10
0
200
120
100
80
140
160
180
PHASE
GAIN
T
A
= 25°C
V
S
= ±15V
C
L
= 10pF
Voltage Gain vs Frequency
FREQUENCY (Hz)
0.01
VOLTAGE GAIN (dB)
100
140
180
1M
1793 G08
60
20
80
120
160
40
0
–20
1
100
10k
100M
T
A
= 25°C
V
S
= ±15V
C
L
= 10pF