LT1789-1/LT1789-10
11
1789fc
TYPICAL PERFORMANCE CHARACTERISTICS
Voltage Noise Density vs
Frequency
Current Noise Density vs
Frequency
0.1Hz to 10Hz Noise Voltage,
G = 1
0.1Hz to 10Hz Noise Voltage,
RTI, G = 1000
0.1Hz to 10Hz Noise Current Turn-On Characteristics
FREQUENCY (Hz)
1
10
VOLTAGE NOISE DENSITY (nV/
)
100
1000
10 100 1k
1789 G13
G = 100, 1000
G = 10
G = 1
V
S
= 5V, 0V
V
REF
= 2.5V
INPUT REFERRED
FREQUENCY (Hz)
1
10
CURRENT NOISE DENSITY (fA/√Hz)
100
1000
10 100 1k
1789 G14
V
S
= 5V, 0V
V
REF
= 2.5V
LT1789-1
R
S
TIME (SEC)
0
NOISE VOLTAGE (2μV/DIV)
4
1789 G15
1
2
3
1098765
V
S
= 5V, 0V
V
REF
= 2.5V
TIME (SEC)
0
NOISE VOLTAGE (0.5μV/DIV)
4
1789 G16
1
2
3
1098765
V
S
= 5V, 0V
V
REF
= 2.5V
TIME (SEC)
0
NOISE CURRENT (5pA/DIV)
4
1789 G17
1
2
3
1098765
V
S
= 5V, 0V
V
REF
= 2.5V
TIME (ms)
0
CHANGE IN OUTPUT VOLTAGE (V)
40
1789 G18
10
20
30
1.5
0.5
–0.5
–1.5
V
S
= 5V, 0V
V
REF
= 2.5V
V
CM
= 2.5V
G = 1000
T
A
= 25°C
(LT1789-1)
