LT1790A LINER [Linear Technology], LT1790A Datasheet - Page 15

• Manufacturer Part Number: LT1790A
• Description: Micropower SOT-23 Low Dropout Reference Family
• Manufacturer: LINER [Linear Technology]

2.5V TYPICAL PERFOR A CE CHARACTERISTICS
Each of the voltage options have similar performance curves. For the 3V, 3.3V and the 4.096V options,
the curves can be estimated based on the 2.5V and 5V curves.
0.30
0.25
0.20
0.15
0.05
0.10
0
–4.0
0
– 2.5V Characteristics
Output Noise 0.1Hz to 10Hz
–3.5
1
OUTPUT TO GROUND VOLTAGE (V)
2
–3.0
3
–2.5
TIME (SEC)
4
–2.0
5
W
LT1790-2.5
T
T
T
–1.5
6
A
A
A
–V
4
= 25 C
= 125 C
= –55 C
EE
1, 2
R
5k
U
7
L
R1 10k
–1.0
100
10
6
8
1
10
Integrated Noise 10Hz to 1kHz
1 F
–0.5
17901.5 G12
17902.5 G10
3V
V
9
OUT
10
0
FREQUENCY (Hz)
100
140
120
100
–20
–40
–60
80
60
40
20
10
8
6
4
2
0
0
10
LT1790 G03
0
Long-Term Drift
(Data Points Reduced After 500 Hr)
Output Voltage Noise Spectrum
T
2 TYPICAL PARTS SOLDERED TO PCB
C
A
L
1000
= 30 C
= 1 F
200
100
FREQUENCY (Hz)
400
I
HOURS
O
= 250 A
600
I
O
I
O
= 0 A
1k
= 1mA
800
17902.5 G11
1790 G05
1000
10k
LT1790
15
1790fa