13

LT1790

1790fa

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.

2.048V TYPICAL PERFOR A CE CHARACTERISTICS

– 2.048V Characteristics

Long-Term Drift

Output Noise 0.1Hz to 10Hz

Output Voltage Noise Spectrum

OUTPUT TO GROUND VOLTAGE (V)

0

0.10

0.20

0.30

0.05

0.15

0.25

–3.5 –3 –2.5 –2

–1.5

–1

–0.5

17092.048 G10

0

–4

3V

5k

4

2

1

6

1

µF

LT1790-2.048

R1 10k

FREQUENCY (Hz)

10

4

5

6

7

8

100

1k

10k

17902.048 G13

3

2

1

0

9

10

TIME (SEC)

0

8

17902.048 G12

246

10

7

135

9

HOURS

0

60

100

800

17901.048 G11

20

–20

40

80

0

–40

–60

–80

–100

200

400

600

1000

2 TYPICAL PARTS SOLDERED TO PCB

Integrated Noise 10Hz to 1kHz

FREQUENCY (Hz)

10

1

10

100

100

1000

LT1790 G02