LT1790A LINER [Linear Technology], LT1790A Datasheet - Page 13

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

2.048V 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
0.10
0.05
0
–4
0
– 2.048V Characteristics
Output Noise 0.1Hz to 10Hz
LT1790-2.048
–3.5 –3 –2.5 –2 –1.5 –1 –0.5
1
1
–V
4
OUTPUT TO GROUND VOLTAGE (V)
EE
2
R
5k
2
R1 10k
L
3
6
1 F
3V
V
TIME (SEC)
4
OUT
5
6
W
7
T
T
T
100
10
A
A
A
1
8
= 125 C
= 25 C
= –55 C
10
17092.048 G10
17902.048 G12
U
Integrated Noise 10Hz to 1kHz
9
10
0
FREQUENCY (Hz)
100
–100
–20
–40
–60
100
–80
80
60
40
20
10
0
9
8
7
6
5
4
3
2
1
0
10
LT1790 G02
Long-Term Drift
0
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
I
= 250 A
O
I
O
= 0 A
= 100 A
600
I
O
= 1mA
1k
800
17902.048 G13
17901.048 G11
1000
10k
LT1790
13
1790fa