26102AVZ Просмотр технического описания (PDF) - Intersil

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26102AVZ

Low-Noise 24-bit Delta Sigma ADC

Intersil 

ISL26102, ISL26104

Typical Characteristics

1000

100

100

10

10

1

0.1

1

10

100

1000

FREQUENCY (Hz)

FIGURE 5. NOISE SPECTRAL DENSITY, 4kSPS, PGA GAIN = 1

1 0.1

1

10

100

1000

FREQUENCY (Hz)

FIGURE 6. NOISE SPECTRAL DENSITY, 4kSPS, PGA GAIN = 128

A IN 1 +

A IN 2 +

A IN 1 -

A IN 2 -

AVDD

TEMP

SENSOR

1x

+

-

390

2x, 4x, 8x, 16x

32x, 64x, 128x

CAP

100nF

CAP

3RD ORDER

ΔΣ

MODULATOR

PROGRAMMABLE

DIGITAL FILTER

S E R IA L

PORT

-

390

+

1x

FIGURE 7. ISL26102 (2 CHANNEL) BLOCK DIAGRAM

8

FN7608.0

October 12, 2012

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